JAVA WEB快速入门之从编写一个基于SpringBoot+My…

package cn.zuowenjun.boot.domain;

import java.math.BigDecimal;
import java.util.Date;

public class Goods {
    private int id;
    private String title;
    private String picture;
    private BigDecimal price;
    private String introduction;
    private int categoryId;
    private String lastEditBy;
    private Date lastEditTime;
    
    public Goods() {
        
    }
    
    public Goods(int id,String title,String picture,
            BigDecimal price,String introduction,int categoryId,String lastEditBy,Date lastEditTime) {
        this.setId(id);
        this.setTitle(title);
        this.setPicture(picture);
        this.setPrice(price);
        this.setIntroduction(introduction);
        this.setCategoryId(categoryId);
        this.setLastEditBy(lastEditBy);
        this.setLastEditTime(lastEditTime);
    }
    
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    
    public String getTitle() {
        return title;
    }
    public void setTitle(String title) {
        this.title = title;
    }
    
    public String getPicture() {
        return picture;
    }
    public void setPicture(String picture) {
        this.picture = picture;
    }
    
    public BigDecimal getPrice() {
        return price;
    }
    
    public void setPrice(BigDecimal price) {
        this.price = price;
    }
    
    public String getIntroduction() {
        return introduction;
    }
    public void setIntroduction(String introduction) {
        this.introduction = introduction;
    }
    
    public int getCategoryId() {
        return categoryId;
    }
    public void setCategoryId(int categoryId) {
        this.categoryId = categoryId;
    }
    
    public String getLastEditBy() {
        return lastEditBy;
    }
    public void setLastEditBy(String lastEditBy) {
        this.lastEditBy = lastEditBy;
    }
    
    public Date getLastEditTime() {
        return lastEditTime;
    }
    public void setLastEditTime(Date lastEditTime) {
        this.lastEditTime = lastEditTime;
    }

}

package cn.zuowenjun.boot.domain;

import java.util.Date;

public class ShoppingCart {
    private int id;
    private String shopper;
    private int goodsId;
    private int qty;
    private Date addedTime;
    private Goods inGoods;
    
    public ShoppingCart() {
        
    }
    
    public ShoppingCart(int id,String shopper,int goodsId,int qty,Date addedTime) {
        this.id=id;
        this.shopper=shopper;
        this.goodsId=goodsId;
        this.qty=qty;
        this.addedTime=addedTime;
    }
    
    
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    
    public String getShopper() {
        return shopper;
    }
    public void setShopper(String shopper) {
        this.shopper = shopper;
    }
    
    public int getGoodsId() {
        return goodsId;
    }
    public void setGoodsId(int goodsId) {
        this.goodsId = goodsId;
    }
    
    public int getQty() {
        return qty;
    }
    public void setQty(int qty) {
        this.qty = qty;
    }
    
    public Date getAddedTime() {
        return addedTime;
    }
    public void setAddedTime(Date addedTime) {
        this.addedTime = addedTime;
    }

    public Goods getInGoods() {
        return inGoods;
    }

    public void setInGoods(Goods inGoods) {
        this.inGoods = inGoods;
    }

    

}

package cn.zuowenjun.boot.domain;

import java.math.BigDecimal;
import java.util.Date;

public class ShoppingOrder {
    private Integer id;

    private String shopper;

    private Integer totalqty;

    private BigDecimal totalprice;

    private Boolean iscompleted;

    private String createby;

    private Date createtime;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getShopper() {
        return shopper;
    }

    public void setShopper(String shopper) {
        this.shopper = shopper == null ? null : shopper.trim();
    }

    public Integer getTotalqty() {
        return totalqty;
    }

    public void setTotalqty(Integer totalqty) {
        this.totalqty = totalqty;
    }

    public BigDecimal getTotalprice() {
        return totalprice;
    }

    public void setTotalprice(BigDecimal totalprice) {
        this.totalprice = totalprice;
    }

    public Boolean getIscompleted() {
        return iscompleted;
    }

    public void setIscompleted(Boolean iscompleted) {
        this.iscompleted = iscompleted;
    }

    public String getCreateby() {
        return createby;
    }

    public void setCreateby(String createby) {
        this.createby = createby == null ? null : createby.trim();
    }

    public Date getCreatetime() {
        return createtime;
    }

    public void setCreatetime(Date createtime) {
        this.createtime = createtime;
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
        PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
    <properties resource="application.properties" />
    <!-- https://blog.csdn.net/zsy3313422/article/details/53190613 -->
    <classPathEntry
        location="E:/LocalMvnRepositories/com/microsoft/sqlserver/mssql-jdbc/7.0.0.jre8/mssql-jdbc-7.0.0.jre8.jar" />
    <context id="my" targetRuntime="MyBatis3Simple" defaultModelType="flat">
        <property name="javaFileEncoding" value="UTF-8" />

        
        <commentGenerator>
            <property name="suppressAllComments" value="true" />
            <property name="suppressDate" value="true" />
        </commentGenerator>
        <jdbcConnection
            driverClass="${spring.datasource.driverClassName}"
            connectionURL="${spring.datasource.url}"
            userId="${spring.datasource.username}"
            password="${spring.datasource.password}">
        </jdbcConnection>

        <!-- 生成model实体类文件位置 -->
        <javaModelGenerator
            targetPackage="cn.zuowenjun.boot.domain"
            targetProject="src/main/java">
            <property name="enableSubPackages" value="false" />
            <property name="trimStrings" value="true" />
        </javaModelGenerator>

        <!-- 生成mapper.xml配置文件位置 -->
        <!-- targetPackage这里指定包名，则会在如下的路径中生成多层级目录 -->
        <sqlMapGenerator targetPackage="mybatis.mapper"
            targetProject="src/main/resources">
            <property name="enableSubPackages" value="false" />
        </sqlMapGenerator>

        <!-- 生成mapper接口文件位置 -->
        <javaClientGenerator
            targetPackage="cn.zuowenjun.boot.mapper"
            targetProject="src/main/java" type="XMLMAPPER">
            <property name="enableSubPackages" value="false" />
        </javaClientGenerator>

        <table tableName="TA_TestShoppingOrder"
            domainObjectName="ShoppingOrder">
            <generatedKey column="id" sqlStatement="JDBC"  identity="true" /><!-- 指示ID为自增ID列，并在插入后返回该ID -->
        </table>



    </context>
</generatorConfiguration> 

package cn.zuowenjun.boot.mybatis.plugin;

import java.util.List;

import org.mybatis.generator.api.IntrospectedTable;
import org.mybatis.generator.api.PluginAdapter;
import org.mybatis.generator.api.dom.java.Interface;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.api.dom.xml.Document;
import org.mybatis.generator.codegen.mybatis3.javamapper.elements.AbstractJavaMapperMethodGenerator;
import org.mybatis.generator.codegen.mybatis3.xmlmapper.elements.AbstractXmlElementGenerator;

/*
 * 自定义通用可添加生成自定义方法插件类
 * Author:zuowenjun
 * Date:2019-1-29
 */
public abstract class CustomAppendMethodPlugin<TE extends AbstractXmlElementGenerator,TM extends AbstractJavaMapperMethodGenerator>  
extends PluginAdapter {

    protected final Class<TE> teClass;
    protected final Class<TM> tmClass;
    
    
    @SuppressWarnings("unchecked")
    public CustomAppendMethodPlugin(Class<? extends AbstractXmlElementGenerator> teClass,
            Class<? extends AbstractJavaMapperMethodGenerator> tmClass) {
        this.teClass=(Class<TE>) teClass;
        this.tmClass=(Class<TM>) tmClass;
    }
    
    @Override
    public boolean sqlMapDocumentGenerated(Document document,
            IntrospectedTable introspectedTable) {
            
            try {
                AbstractXmlElementGenerator elementGenerator = teClass.newInstance();
                elementGenerator.setContext(context);
                elementGenerator.setIntrospectedTable(introspectedTable);
                elementGenerator.addElements(document.getRootElement());
                
            } catch (InstantiationException | IllegalAccessException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            

        return super.sqlMapDocumentGenerated(document, introspectedTable);
    }
    
    @Override
    public boolean clientGenerated(Interface interfaze,
            TopLevelClass topLevelClass,
            IntrospectedTable introspectedTable) {
        
        try {
            AbstractJavaMapperMethodGenerator methodGenerator = tmClass.newInstance();
            methodGenerator.setContext(context);
            methodGenerator.setIntrospectedTable(introspectedTable);
            methodGenerator.addInterfaceElements(interfaze);
            
        } catch (InstantiationException | IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        

        return super.clientGenerated(interfaze, topLevelClass, introspectedTable);
    }

    @Override
    public boolean validate(List<String> warnings) {
        // TODO Auto-generated method stub
        return true;
    }

}

package cn.zuowenjun.boot.domain;

import java.math.BigDecimal;
import java.util.Date;

public class ShoppingOrderDetail {
    private Integer id;

    private Integer shoppingorderid;

    private Integer goodsid;

    private Integer qty;

    private BigDecimal totalprice;

    private String createby;

    private Date createtime;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public Integer getShoppingorderid() {
        return shoppingorderid;
    }

    public void setShoppingorderid(Integer shoppingorderid) {
        this.shoppingorderid = shoppingorderid;
    }

    public Integer getGoodsid() {
        return goodsid;
    }

    public void setGoodsid(Integer goodsid) {
        this.goodsid = goodsid;
    }

    public Integer getQty() {
        return qty;
    }

    public void setQty(Integer qty) {
        this.qty = qty;
    }

    public BigDecimal getTotalprice() {
        return totalprice;
    }

    public void setTotalprice(BigDecimal totalprice) {
        this.totalprice = totalprice;
    }

    public String getCreateby() {
        return createby;
    }

    public void setCreateby(String createby) {
        this.createby = createby == null ? null : createby.trim();
    }

    public Date getCreatetime() {
        return createtime;
    }

    public void setCreatetime(Date createtime) {
        this.createtime = createtime;
    }
}

package cn.zuowenjun.springbootdemo;


import java.math.BigDecimal;
import java.util.Date;
import java.util.List;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.annotation.Rollback;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.transaction.annotation.Transactional;

import cn.zuowenjun.boot.SpringbootdemoApplication;
import cn.zuowenjun.boot.domain.*;
import cn.zuowenjun.boot.mapper.GoodsMapper;
import cn.zuowenjun.boot.mapper.ShoppingOrderDetailMapper;
import cn.zuowenjun.boot.mapper.ShoppingOrderMapper;

@RunWith(SpringRunner.class)
@SpringBootTest(classes=SpringbootdemoApplication.class)
public class ShoppingOrderMapperTests {

    @Autowired
    private ShoppingOrderMapper shoppingOrderMapper;
    
    @Autowired
    private ShoppingOrderDetailMapper shoppingOrderDetailMapper;
    
    @Autowired
    private GoodsMapper goodsMapper;
    
    @Transactional
    @Rollback(false) //不加这个，默认测试完后自动回滚
    @Test
    public void testInsertShoppingOrder() {

        Goods goods= goodsMapper.get(1);
        
        ShoppingOrder shoppingOrder=new ShoppingOrder();
        shoppingOrder.setShopper("zuowenjun");
        shoppingOrder.setIscompleted(false);
        shoppingOrder.setTotalprice(BigDecimal.valueOf(0));
        shoppingOrder.setTotalqty(1);
        shoppingOrder.setCreateby("zuowenjun");
        shoppingOrder.setCreatetime(new Date());
        
        int orderId= shoppingOrderMapper.insert(shoppingOrder);
        shoppingOrder.setId(orderId);
        
        ShoppingOrderDetail shoppingOrderDetail=new ShoppingOrderDetail();
        shoppingOrderDetail.setGoodsid(goods.getId());
        shoppingOrderDetail.setShoppingorderid(shoppingOrder.getId());
        shoppingOrderDetail.setQty(10);
        shoppingOrderDetail.setTotalprice(BigDecimal.valueOf(shoppingOrderDetail.getQty()).multiply(goods.getPrice()));
        shoppingOrderDetail.setCreateby("zuowenjun");
        shoppingOrderDetail.setCreatetime(new Date());
        
        shoppingOrderDetailMapper.insert(shoppingOrderDetail);
        
        List<ShoppingOrderDetail> orderDetails= shoppingOrderDetailMapper.selectByOrderId(shoppingOrder.getId());
        if(orderDetails!=null && orderDetails.size()>0) {
            for(ShoppingOrderDetail od:orderDetails) {
                System.out.println("id:" + od.getId() + ",goodsid:" + od.getGoodsid());
            }
        }
        
        Assert.assertTrue(orderDetails.size()>0); 
    }
}

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>test User List -power by thymeleaf</title>
<style type="text/css">
    table{
        border:2px solid blue;
        border-collapse:collapse;
        width:98%;
    }
    
    table *{
        border:1px solid blue;
        text-align:center;
    }
    
    thead{
        background-color:purple;
        color:yellow;
    }
    
    th,td{
        padding:5px;
    }
    
    #copy{
        margin-top:100px;
        text-align: center;
    }
    
</style>
</head>
<body>
    <h1 th:text="${title}"></h1>
    <table>
        <thead>
            <tr>
                <th>SeqNo</th>
                <th>userId</th>
                <th>nickName</th>
                <th>depositAmount</th>
            </tr>
        </thead>
        <tbody>
            <tr th:if="${users}!=null" th:each="user,iterStat:${users}">
                <td th:text="${iterStat.index}+1">1</td>
                <td th:text="${user.userid}">www.zuowenjun.cn</td>
                <td th:text="${user.nickname}">梦在旅途</td>
                <td th:text="${user.depositamount}">520</td>
            </tr>
            <tr th:unless="${users.size()} gt 0">
                <td colspan="4">暂无相关记录！</td>
            </tr>
        </tbody>
    </table>
    <p id="copy">
    Copyright &copy;<span th:text="${#dates.format(#dates.createToday(),'yyyy')}"></span>
    www.zuowenjun.cn and zuowj.cnblogs.com demo all rights.
    </p>
</body>
</html>

//ShopUserService.java

package cn.zuowenjun.boot.service;

import java.util.List;

import cn.zuowenjun.boot.domain.ShopUser;

public interface ShopUserService {

    List<ShopUser> getAll();
    
    ShopUser get(String userId);
    
    String getCurrentLoginUser();
    
    String login(String uid,String pwd);
    
    void logout();
}

//GoodsService.java
package cn.zuowenjun.boot.service;

import java.util.List;

import org.springframework.web.multipart.MultipartFile;

import cn.zuowenjun.boot.domain.*;


public interface GoodsService {
    
    List<Goods> getGoodsListByPage(int pageSize,int pageNo);
    
    List<Goods> getGoodsListByCategory(int categoryId);
    
    List<Goods> getGoodsListByMultIds(int...goodsIds);
    
    Goods getGoods(int id);
    
    void insertGoods(Goods goods,MultipartFile uploadGoodsPic);
    
    void updateGoods(Goods goods,MultipartFile uploadGoodsPic);
    
    void deleteGoods(int id);
    
    List<GoodsCategory> getAllGoodsCategoryList();
    
    void insertGoodsCategory(GoodsCategory goodsCategory);
    
    void updateGoodsCategory(GoodsCategory goodsCategory);
    
    void deleteGoodsCategory(int id);
    
}

//ShoppingOrderService.java
package cn.zuowenjun.boot.service;

import java.util.List;

import cn.zuowenjun.boot.domain.*;

public interface ShoppingOrderService {
    
    ShoppingOrder getShoppingOrder(int id);
    
    List<ShoppingOrder> getShoppingOrderList(String shopper);
    
    List<ShoppingOrderDetail> getShoppingOrderDetail(int orderId);
    
    boolean createShoppingOrderByShopper(String shopper);
    
    void insertShoppingOrderWithDetail(ShoppingOrder order,List<ShoppingOrderDetail> orderDetails);
    
    void deleteShoppingOrderDetail(int orderDetailId);
    
    void deleteShoppingOrderWithDetail(int orderId);
    
    void updateShoppingOrder(ShoppingOrder order);
    
    List<ShoppingCart> getShoppingCartList(String shopper);
    
    int getShoppingCartBuyCount(String shopper);
    
    void insertShoppingCart(ShoppingCart shoppingCart);
    
    void deleteShoppingCart(int shoppingCartId);
    
    void clearShoppingCart(String shopper);
    
    
}

//ShopUserServiceImpl.java
package cn.zuowenjun.boot.service.impl;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import cn.zuowenjun.boot.EShopProperties;
import cn.zuowenjun.boot.domain.ShopUser;
import cn.zuowenjun.boot.mapper.ShopUserMapper;
import cn.zuowenjun.boot.service.ShopUserService;

@Service
public class ShopUserServiceImpl implements ShopUserService {

    private ShopUserMapper shopUserMapper;
    
    private EShopProperties shopProperties;
    
    @Autowired
    public ShopUserServiceImpl(ShopUserMapper shopUserMapper,EShopProperties shopProperties) {
        this.shopUserMapper=shopUserMapper;
        this.shopProperties=shopProperties;
    }

    @Override
    public List<ShopUser> getAll() {
        return shopUserMapper.selectAll();
    }

    @Override
    public ShopUser get(String userId) {
        return shopUserMapper.selectByPrimaryKey(userId);
    }
    
    @Override
    public String getCurrentLoginUser() {
        if(getRequest().getSession().getAttribute("loginUser")==null) {
            return null;
        }
        
        return getRequest().getSession().getAttribute("loginUser").toString();
        
    }
    

    @Override
    public String login(String uid, String pwd) {
        if(shopProperties.getShopUserId().equalsIgnoreCase(uid) && 
                shopProperties.getShopUserPwd().equals(pwd)) {
            getRequest().getSession().setAttribute("loginUser", uid);
            return null;
        }else {
            return "用户名或密码不正确！";
        }
    }

    @Override
    public void logout() {
        getRequest().getSession().removeAttribute("loginUser");
    }
    
    
    private HttpServletRequest getRequest() {
        HttpServletRequest  request= ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
        return request;
    }


    
    
}



//GoodsServiceImpl.java
package cn.zuowenjun.boot.service.impl;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.UUID;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.context.ContextLoader;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;

import cn.zuowenjun.boot.domain.*;
import cn.zuowenjun.boot.mapper.GoodsCategoryMapper;
import cn.zuowenjun.boot.mapper.GoodsMapper;
import cn.zuowenjun.boot.service.GoodsService;

@Service
public class GoodsServiceImpl implements GoodsService {
    
    private static Logger logger=LoggerFactory.getLogger(GoodsServiceImpl.class);
    
    @Autowired
    private GoodsMapper goodsMapper;
    
    @Autowired
    private GoodsCategoryMapper categoryMapper;
    
    @Override
    public List<Goods> getGoodsListByPage(int pageSize,int pageNo){
        return goodsMapper.getListByPage(pageSize, pageNo);
    }
    
    @Override
    public List<Goods> getGoodsListByCategory(int categoryId) {
        return goodsMapper.getList(categoryId);
    }
    
    @Override
    public List<Goods> getGoodsListByMultIds(int... goodsIds) {
        return goodsMapper.getListByMultIds(goodsIds);
    }
    
    @Override
    public Goods getGoods(int id) {
        return goodsMapper.get(id);
    }
    
    @Transactional
    @Override
    public void insertGoods(Goods goods, MultipartFile uploadGoodsPic) {
        String picPath= saveGoodsPic(uploadGoodsPic);
        if(picPath!=null && !picPath.isEmpty()) {
            
            goods.setPicture(picPath);
        }
        goodsMapper.insert(goods);
        
        GoodsCategory gcate= categoryMapper.get(goods.getCategoryId());
        gcate.setGoodsCount(gcate.getGoodsCount()+1);
        categoryMapper.update(gcate);
        
        logger.info("inserted new goods - id:" + goods.getId());
    }
    
    @Override
    public void updateGoods(Goods goods,MultipartFile uploadGoodsPic) {
        String picPath= saveGoodsPic(uploadGoodsPic);
        if(picPath!=null && !picPath.isEmpty()) {
            
            goods.setPicture(picPath);
        }
         goodsMapper.update(goods);
         
         logger.info("update goods - id:" + goods.getId());
    }
    
    @Transactional
    @Override
    public void deleteGoods(int id) {
        Goods g= goodsMapper.get(id);
        goodsMapper.delete(g.getId());
        
        GoodsCategory gcate= categoryMapper.get(g.getCategoryId());
        gcate.setGoodsCount(gcate.getGoodsCount()-1);
        categoryMapper.update(gcate);
        
        //如果有图片，则同时删除图片
        if(g.getPicture()!=null && !g.getPicture().isEmpty()) {
            
            String picPath= getRequest().getServletContext().getRealPath("/") + g.getPicture();
            File file = new File(picPath);
            if(file.exists()) {
                file.delete();
            }
        }
        
        logger.info("deleted goods - id:" + g.getId());
    }
    
    @Override
    public List<GoodsCategory> getAllGoodsCategoryList(){
        return categoryMapper.getAll();
    }
    
    @Override
    public void insertGoodsCategory(GoodsCategory goodsCategory) {
        categoryMapper.insert(goodsCategory);
    }
    
    @Override
    public void updateGoodsCategory(GoodsCategory goodsCategory) {
        categoryMapper.update(goodsCategory);
    }
    
    @Override
    public void deleteGoodsCategory(int id) {
        categoryMapper.delete(id);
    }


    private String saveGoodsPic(MultipartFile uploadGoodsPic) {
        
        if(uploadGoodsPic==null || uploadGoodsPic.isEmpty()) {
            return null;
        }
        
        String fileName = uploadGoodsPic.getOriginalFilename();
        
        String extName = fileName.substring(fileName.lastIndexOf("."));
        
        String newFileName=UUID.randomUUID().toString()+extName;
        File file = new File(getFileSavePath(newFileName));
        if(!file.exists()) {
            file.getParentFile().mkdirs();
        }
        
        
        try {
            uploadGoodsPic.transferTo(file);
            //return file.toURI().toURL().toString();
            return getUrlPath(file.getAbsolutePath());
            
        } catch (IllegalStateException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        return null;
    }



    private String getFileSavePath(String fileName) {
        String realPath =getRequest().getServletContext().getRealPath("/uploadimgs/");
        return realPath + fileName;
    }

    private String getUrlPath(String filePath) {
        String rootPath= getRequest().getServletContext().getRealPath("/");
        return filePath.replace(rootPath, "").replaceAll("\\\\", "/");
    }

    private HttpServletRequest getRequest() {
        HttpServletRequest  request= ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
        return request;
    }
    
    
}

//ShoppingOrderServiceImpl.java
package cn.zuowenjun.boot.service.impl;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import cn.zuowenjun.boot.domain.*;
import cn.zuowenjun.boot.mapper.*;
import cn.zuowenjun.boot.service.ShoppingOrderService;

@Service
public class ShoppingOrderServiceImpl implements ShoppingOrderService  {

    @Autowired
    private ShoppingOrderMapper  orderMapper;
    
    @Autowired
    private ShoppingOrderDetailMapper orderDetailMapper;
    
    @Autowired
    private ShoppingCartMapper shoppingCartMapper;
    
    @Autowired
    private ShoppingOrderExtMapper shoppingOrderExtMapper;
    
    @Override
    public void insertShoppingCart(ShoppingCart shoppingCart) {
        ShoppingCart cart=shoppingCartMapper.get(shoppingCart.getShopper(), shoppingCart.getGoodsId());
        if(cart==null) {
            shoppingCartMapper.insert(shoppingCart);
        }else {
            cart.setQty(cart.getQty()+shoppingCart.getQty());
            shoppingCartMapper.update(cart);
        }
    }
    
    @Override
    public void deleteShoppingCart(int shoppingCartId) {
        shoppingCartMapper.deleteItem(shoppingCartId);
    }
    
    
    @Override
    public ShoppingOrder getShoppingOrder(int id) {
        return orderMapper.selectByPrimaryKey(id);
    }
    
    @Override
    public List<ShoppingOrder> getShoppingOrderList(String shopper) {
        return shoppingOrderExtMapper.selectAllByShopper(shopper);
    }

    @Override
    public List<ShoppingOrderDetail> getShoppingOrderDetail(int orderId) {
        return orderDetailMapper.selectByOrderId(orderId);
    }

    @Transactional
    @Override
    public boolean createShoppingOrderByShopper(String shopper) {
        
        List<ShoppingCart> carts= shoppingCartMapper.getList(shopper);
        if(carts==null || carts.size()<=0) {
            return false;
        }
        
        int totalQty=0;
        BigDecimal totalPrc=BigDecimal.valueOf(0);
        List<ShoppingOrderDetail> orderDetails=new ArrayList<>();
        
        for(ShoppingCart c:carts) {
            totalQty+=c.getQty();
            BigDecimal itemPrc=c.getInGoods().getPrice().multiply(BigDecimal.valueOf(c.getQty()));
            totalPrc=totalPrc.add(itemPrc);
            ShoppingOrderDetail od=new ShoppingOrderDetail();
            od.setGoodsid(c.getGoodsId());
            od.setQty(c.getQty());
            od.setTotalprice(itemPrc);
            od.setCreateby(shopper);
            od.setCreatetime(new Date());
            
            orderDetails.add(od);
        }
        
        ShoppingOrder order=new ShoppingOrder();
        order.setShopper(shopper);
        order.setTotalqty(totalQty);
        order.setTotalprice(totalPrc);
        order.setCreateby(shopper);
        order.setCreatetime(new Date());
        order.setIscompleted(false);
        
        insertShoppingOrderWithDetail(order,orderDetails);
        
        clearShoppingCart(shopper);
        
        return true;
    }
    
    @Transactional
    @Override
    public void insertShoppingOrderWithDetail(ShoppingOrder order, List<ShoppingOrderDetail> orderDetails) {
        
        orderMapper.insert(order);
        int orderId=order.getId();
        for(ShoppingOrderDetail od:orderDetails) {
            od.setShoppingorderid(orderId);
            orderDetailMapper.insert(od);
        }
    }
    

    @Override
    public void deleteShoppingOrderDetail(int orderDetailId) {
        
        orderDetailMapper.deleteByPrimaryKey(orderDetailId);
    }

    @Transactional
    @Override
    public void deleteShoppingOrderWithDetail(int orderId) {
        
        orderMapper.deleteByPrimaryKey(orderId);
        orderDetailMapper.deleteByOrderId(orderId);
    }

    @Override
    public void updateShoppingOrder(ShoppingOrder order) {
        orderMapper.updateByPrimaryKey(order);
    }

    @Override
    public List<ShoppingCart> getShoppingCartList(String shopper) {
        return shoppingCartMapper.getList(shopper);
    }

    @Override
    public int getShoppingCartBuyCount(String shopper) {
        return shoppingCartMapper.getBuyCount(shopper);
    }

    @Override
    public void clearShoppingCart(String shopper) {
        shoppingCartMapper.delete(shopper);
    }





}

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>梦在旅途的电商小店Demo-Power by Spring Boot+MyBatis-Boot</title>
<meta name="author" content="www.zuowenjun.cn" >
<script src="https://cdn.jsdelivr.net/npm/vue" type="text/javascript"></script>
<script src="https://cdn.staticfile.org/vue-resource/1.5.1/vue-resource.min.js"></script>
<style type="text/css">
    #catesbox ul li{float:left;padding:5px;margin-right:20px;border:1px solid green;display: inline-block;cursor:pointer;}
    .clfx {clear:both;display:block;}
    .gpic{width:100px;height:100px;text-align:center;vertical-align:middle;}
    #goodsbox table {width:100%;border-collapse:collapse;}
    #goodsbox table tr >*{border:1px solid blue;padding:5px;}
    li.active{background-color:orange;font-weight:bold;}
    #copy{
        margin-top:20px;
        text-align: center;
    }
    body{padding-top:51px;}
    #topbar{height:50px;line-height:50px;margin:0;width:100%;background-color:WhiteSmoke;
        position: fixed;top:0;border-bottom:1px solid darkgray;text-align: right;}
</style>
</head>
<body>
<div id="app">
        <div id="topbar">
        <a href="/cartlist.html" target="_blank">购物车(已加入商品数量：{{cartCount}})</a>&nbsp;|&nbsp;
        <a href="/orderlist.html" target="_blank">订单中心</a>&nbsp;|&nbsp;
        <a href="/admin.html" target="_blank">管理后台</a>&nbsp;&nbsp;&nbsp;&nbsp;
        </div>
        <h2>商品类目：</h2>
        <div id="catesbox">
            <ul v-for="c in cates">
                <li v-on:click="getGoodsListByCategory(c)" v-bind:class="{active:c.categoryName==curcate}">{{c.categoryName}}({{c.goodsCount}})</li>
            </ul>
            <div class="clfx"></div>
        </div>
    <h2>当前浏览的商品分类：<span>{{curcate}}</span></h2>
        <div id="goodsbox">
            <table>
                <tr>
                    <th>商品图片</th>
                    <th>商品标题</th>
                    <th>价格</th>
                    <th>操作</th>
                </tr>
                <tr v-for="g in goods">
                    <td><img v-bind:src="g.picture" class="gpic"></td>
                    <td><a v-bind:href="'/detail.html?gid=' + g.id" target="_blank">{{g.title}}</a></td>
                    <td>￥{{g.price}}</td>
                    <td><button v-on:click="addToShoppingCart(g)">加入购物车</button></td>
                </tr>
            </table>
        </div>
</div>
    <p id="copy">
    Copyright &copy;2019 &nbsp;
    www.zuowenjun.cn and zuowj.cnblogs.com demo all rights.
    </p>
    <script type="text/javascript">
        var vm = new Vue({
            el:"#app",
            data:{
                cartCount:0,
                cates:[],
                goods:[],
                curcate:"ALL"
            },
            created:function(){
                var self = this;
                 this.$http.get('/api/categorys').then(function(res){
                     self.cates=res.body;  
                     //alert(JSON.stringify(self.cates));
                    },function(){
                        alert("获取categorys失败！");
                    });
                 
                 this.$http.get('/api/cartlist').then(function(res){
                     self.cartCount=res.body.length;  
                     //alert(JSON.stringify(self.goods));
                    },function(){
                        alert("获取购物车信息失败！");
                    });
                 
                //按分页检索商品列表
                 this.getGoodsListByPage(10,1);
            },
            methods:{
                getGoodsListByCategory:function(cate){
                    var self = this;
                    //按类别检索商品列表
                     this.$http.get('/api/goods/' + cate.id).then(function(res){
                         self.goods=res.body;   
                         self.curcate=cate.categoryName;
                         //alert(JSON.stringify(self.goods));
                        },function(){
                            alert("获取goods失败！");
                        });
                },
                getGoodsListByPage:function(ps,pno){
                    var self = this;
                    //按分页检索商品列表
                     this.$http.get('/api/goods' +'?pagesize='+ps +'&page=' + pno).then(function(res){
                         self.goods=res.body;  
                         self.curcate="ALL";
                         //alert(JSON.stringify(self.goods));
                        },function(){
                            alert("获取goods失败！");
                        });
                },
                addToShoppingCart:function(goods){
                    //加入购物车
                    var self = this;
                    var qty=prompt('请输入购买数量',1);
                     this.$http.post('/api/addToShoppingCart',{goodsid:goods.id,goodsqty:qty}).then(function(res){
                         var rs=res.body;
                         alert(rs.msg);
                         self.cartCount=rs.data.cartCount;
                        },function(){
                            alert("加入购物车失败");
                        });
                }
            }
        });

    </script>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>商品详情 -梦在旅途的电商小店</title>
<meta name="author" content="www.zuowenjun.cn" >
<script src="https://cdn.jsdelivr.net/npm/vue" type="text/javascript"></script>
<script src="https://cdn.staticfile.org/vue-resource/1.5.1/vue-resource.min.js"></script>
<style type="text/css">
        .clfx {clear:both;display:block;}
        .row{width:100%;margin:10px 0;}
        .lbox{float:left;width:40%;min-height: 100px;}
        .rbox{float:right;width:50%;}
        .rbox ul li{margin:50px auto;}
        body{padding-top:51px;}
        #topbar{height:50px;line-height:50px;margin:0;width:100%;background-color:WhiteSmoke;
        position: fixed;top:0;border-bottom:1px solid darkgray;text-align: right;}
</style>

</head>
<body>
    <div id="app">
        <div id="topbar">
        <a href="/cartlist.html" target="_blank">购物车(已加入商品数量：{{cartCount}})</a>&nbsp;|&nbsp;
        <a href="/admin.html" target="_blank">管理后台</a>&nbsp;&nbsp;&nbsp;&nbsp;
        </div>
        <div class="row">
            <div class="lbox">
                <img :src="goods.picture" style="width:100%;height:100%;margin:0;padding:0;">
            </div>
            <div class="rbox">
                <ul>
                    <li><strong>{{goods.title}}</strong></li>
                    <li>价格：￥{{goods.price}}</li>
                    <li>购买数量：<input v-model="buyqty" value="1"></li>
                    <li>购买价格：<span>{{buyprice}}</span></li>
                    <li><button @click="addToShoppingCart">加入购物车</button></li>
                </ul>
            </div>
            <div class="clfx"></div>
        </div>
        <div class="row">
            <h2>商品详细描述：</h2>
            <hr/>
            <p>{{goods.introduction}}</p>
        </div>
    </div>
    <script type="text/javascript">
        var vm=new Vue({
            el:"#app",
            data:{
                cartCount:0,
                buyqty:1,
                goods:{}
            },
            created:function(){
                var gid= getQueryString("gid");
                var self = this;

                 this.$http.get('/api/goods-' + gid).then(function(res){
                     self.goods=res.body;  
                     //alert(JSON.stringify(self.goods));
                    },function(){
                        alert("获取goods失败！");
                    });
                 
                 this.$http.get('/api/cartlist').then(function(res){
                     self.cartCount=res.body.length;  
                     //alert(JSON.stringify(self.goods));
                    },function(){
                        alert("获取购物车信息失败！");
                    });
                 
            },
            computed:{
                buyprice:function(){
                    return (this.buyqty * this.goods.price).toFixed(2);
                }
            },
            methods:{
                addToShoppingCart:function(){
                    //alert(this.buyqty);
                    //加入购物车
                    var self = this;
                     this.$http.post('/api/addToShoppingCart',{goodsid:this.goods.id,goodsqty:this.buyqty}).then(function(res){
                         var rs=res.body;
                         alert(rs.msg);
                         self.cartCount=rs.data.cartCount;
                        },function(){
                            alert("加入购物车失败");
                        });
                }
            }
        });
        
        function getQueryString(name) { 
            var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); 
            var r = window.location.search.substr(1).match(reg); 
            if (r != null) return unescape(r[2]); 
            return null; 
        }
        
    </script>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>购物车详情 -梦在旅途的电商小店</title>
<meta name="author" content="www.zuowenjun.cn" >
<script src="https://cdn.jsdelivr.net/npm/vue" type="text/javascript"></script>
<script src="https://cdn.staticfile.org/vue-resource/1.5.1/vue-resource.min.js"></script>
<style type="text/css">
    .toolbar{margin:10px 5px;}
    .carttable{width:100%;margin:0px;padding:5px;border:1px solid gray;}
    .carttable tr >*{border-bottom:1px solid gray;padding:5px;text-align: center;}
    .buybtn{background-color:green;border:none;width:280px;padding:20px;color:white;font-size:20pt;}
    #copy{margin-top:20px;text-align: center;}
</style>
</head>
<body>
    <div id="app">
        <div class="toolbar">
            <button @click="deleteItem()" :disabled="carts.length==0">移出购物车</button>&nbsp;|&nbsp;
            <button @click="clearCart()" :disabled="carts.length==0">清空购物车</button>
        </div>
        <div>
            <table class="carttable">
                <tr>
                    <th>选择</th>
                    <th>商品ID</th>
                    <th>商品名称</th>
                    <th>预购买数量</th>
                    <th>价格</th>
                    <th>添加时间</th>
                </tr>
                <tr v-for="c in carts">
                    <td><input type="checkbox" class="chkitem" @click="checkitem(c,$event.target)" :checked="chkedItemIds.indexOf(c.id)>-1"></td>
                    <td>{{c.goodsId}}</td>
                    <td>{{c.inGoods.title}}</td>
                    <td>{{c.qty}}</td>
                    <td>￥{{(c.inGoods.price * c.qty).toFixed(2)}}</td>
                    <td>{{c.addedTime}}</td>
                </tr>
                <tr v-if="carts.length==0" style="text-align: center;">
                    <td colspan="6">空空如也，赶紧选购商品吧！~</td>
                </tr>
            </table>
        </div>
        <p style="text-align: center;">
            <button class="buybtn" @click="createOrder()" :disabled="carts.length==0">立即下单</button>
        </p>
    </div>
    <p id="copy">
    Copyright &copy;2019 &nbsp;
    www.zuowenjun.cn and zuowj.cnblogs.com demo all rights.
    </p>
    <script type="text/javascript">
        var vm=new Vue({
            el:"#app",
            data:{
                carts:[],
                chkedItemIds:[]
            },
            created:function(){
                var self = this;

                 this.$http.get('/api/cartlist').then(function(res){
                     self.carts=res.body;  
                     //alert(JSON.stringify(self.carts));
                    },function(){
                        alert("获取购物车信息失败！");
                    });
                 
            },
            methods:{
                checkitem:function(cart,chk){
                    //alert(chk.checked);
                    if(chk.checked){
                        this.chkedItemIds.push(cart.id);
                    }else{
                        this.chkedItemIds.remove(cart.id);
                    }
                },
                deleteItem:function(){
                    var self = this;
                    //alert(JSON.stringify(self.chkedItemIds));
                     this.$http.post('/api/deletecartitems-many',self.chkedItemIds).then(function(res){ 
                         self.carts= self.carts.filter(function(e){ return self.chkedItemIds.indexOf(e.id)<=-1;});
                         alert(res.body.msg);
                        },function(){
                            alert("删除失败！");
                        });
                },
                clearCart:function(){
                    var self = this;
                     this.$http.post('/api/deletecartitems-all').then(function(res){ 
                         self.carts=[];
                         alert(res.body.msg);
                        },function(){
                            alert("删除失败！");
                        });
                },
                createOrder:function(){
                    var self = this;
                     this.$http.post('/api/createorder').then(function(res){ 
                         alert(res.body.msg);
                         if(res.body.code==0){//如查下单成功，则清空购物车
                             self.carts=[];
                         }
                        },function(){
                            alert("下单失败！");
                        });
                }
            }
        });
        
        Array.prototype.remove = function(val) { 
                var index = this.indexOf(val); 
                if (index > -1) { 
                this.splice(index, 1); 
                } 
            };
                
    </script>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>订单详情 -梦在旅途的电商小店</title>
<script src="https://cdn.jsdelivr.net/npm/vue" type="text/javascript"></script>
<script src="https://cdn.staticfile.org/vue-resource/1.5.1/vue-resource.min.js"></script>
<style type="text/css">
    table{border:solid 1px blue;border-collapse: collapse;width:100%;margin:10px 1px;}
    table tr >*{border:solid 1px blue,padding:5px;border:dotted 1px gray;}
    .cfmbar{text-align: center;}
    .cfmbar button{border:none;background-color:blue;color:#ffffff;padding:10px 50px;}
    #copy{margin-top:20px;text-align: center;}
</style>
</head>
<body>
    <div id="app">
        <div>
            <h2>订单列表：</h2>
            <table>
                <tr>
                    <th>订单号</th>
                    <th>商品数量</th>
                    <th>订单价格</th>
                    <th>完成否(收货确认)</th>
                    <th>创建时间</th>
                    <th>查看订单详情</th>
                </tr>
                <tr v-for="o in shoppingOrders">
                    <td>{{o.id}}</td>
                    <td>{{o.totalqty}}</td>
                    <td>{{o.totalprice.toFixed(2)}}</td>
                    <td>{{o.iscompleted?"已收货":"待收货"}}</td>
                    <td>{{o.createtime}}</td>
                    <td><button @click="showOrderDetail(o)">查看</button></td>
                </tr>
                <tr v-if="shoppingOrders.length==0" style="text-align: center;">
                    <td colspan="6">没有任何订单信息！</td>
                </tr>
            </table>
        </div>
        <div v-if="viewOrder!=null">
            <h3>订单号【{{viewOrder.id}}】详情：</h3>
            <table>
                <tr>
                    <th>商品ID</th>
                    <th>商品名称</th>
                    <th>购买数量</th>
                    <th>费用</th>
                </tr>
                <tr v-for="od in viewOrderDetails.details">
                    <td>{{od.goodsid}}</td>
                    <td>{{goodsName(od)}}</td>
                    <td>{{od.qty}}</td>
                    <td>￥{{od.totalprice.toFixed(2)}}</td>
                </tr>
            </table>
            <p class="cfmbar" v-if="!viewOrder.iscompleted">
                <button @click="confirmOrderCompleted(viewOrder)" >确认完成（已收货）</button>
            </p>
        </div>
    </div>
    <p id="copy">
    Copyright &copy;2019 &nbsp;
    www.zuowenjun.cn and zuowj.cnblogs.com demo all rights.
    </p>
    <script type="text/javascript">
        var vm=new Vue({
            el:"#app",
            data:{
                shoppingOrders:[],
                viewOrder:null,
                viewOrderDetails:null
            },
            created:function(){
                var self = this;
                
                 this.$http.get('/api/orders').then(function(res){
                     self.shoppingOrders=res.body;  
                     //alert(JSON.stringify(self.shoppingOrders));
                    },function(){
                        alert("获取orders失败！");
                    });
            },
            computed:{
                goodsName(){//利用JS闭包实现传参
                    return function(od){
                        var goods= this.viewOrderDetails.goodss.filter(function(g){return g.id==od.goodsid })[0];
                        //alert(od.goodsid);
                        return goods.title;
                    }
                }
            },
            methods:{
                showOrderDetail:function(o){
                     var self = this;
                     this.$http.post('/api/orderdetail',{orderId:o.id}).then(function(res){
                         if(res.body.code==0){
                             self.viewOrderDetails=res.body.data;  
                             //alert(JSON.stringify(self.viewOrderDetails));
                         }else{
                             alert(res.body.msg);
                             self.viewOrderDetails=null;
                             o=null;
                         }
                         self.viewOrder=o;
                        },function(){
                            alert("获取orderdetail失败！");
                        });
                },
                confirmOrderCompleted:function(o){
                    var self = this;
                    this.$http.post('/api/confirmOrderCompleted',{orderId:o.id}).then(function(res){
                        alert(res.body.msg);
                        if(res.body.code==0){
                            self.viewOrder.iscompleted=true;
                        }
                    }),function(){
                        alert("确认订单完成失败！");
                    };
                }
            }
        });
        
        function getQueryString(name) { 
            var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); 
            var r = window.location.search.substr(1).match(reg); 
            if (r != null) return unescape(r[2]); 
            return null; 
        }
        
        
    </script>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>管理后台 -梦在旅途的电商小店</title>
<meta name="author" content="www.zuowenjun.cn" >
<script src="https://cdn.jsdelivr.net/npm/vue" type="text/javascript"></script>
<script src="https://cdn.staticfile.org/vue-resource/1.5.1/vue-resource.min.js"></script>
<style type="text/css">
    table{border:solid 1px blue;border-collapse: collapse;width:100%;margin:10px 1px;}
    table tr >*{border:solid 1px blue,padding:5px;border:dotted 1px gray;}
    .gpic{width:100px;height:100px;text-align:center;vertical-align:middle;}
</style>
</head>
<body>
    <div id="app">
        <fieldset>
            <legend>管理商品：</legend>
            <table>
                <colgroup>
                    <col style="width:auto">
                    <col style="width:auto">
                    <col style="width:100px">
                    <col style="width:300px">
                    <col style="width:auto">
                    <col style="width:auto">
                    <col style="width:auto">
                    <col style="width:auto">
                    <col style="width:auto">
                </colgroup>
                <tr>
                    <th>商品ID</th>
                    <th>商品名称</th>
                    <th>商品图片</th>
                    <th>商品介绍</th>
                    <th>单价</th>
                    <th>类别ID</th>
                    <th>最后编辑者</th>
                    <th>最后编辑时间</th>
                    <th>操作</th>
                </tr>
                <tr style="background-color:orange;">
                    <td>{{editgoods.id}}</td>
                    <td><input type="text" v-model="editgoods.title"></td>
                    <td><img v-bind:src="editgoods.picture" class="gpic">
                    <input class="upload" type="file" id="gpicfile" @change="selectimg($event.target)" accept="image/png,image/gif,image/jpeg"></td>
                    <td><textarea v-model="editgoods.introduction"></textarea></td>
                    <td><input type="text" v-model="editgoods.price"></td>
                    <td>
                        <select v-model="editgoods.categoryId">
                            <option v-for="c in categorys" v-bind:value="c.id">{{c.categoryName}}</option>
                        </select>
                    </td>
                    <td>{{editgoods.lastEditBy}}</td>
                    <td>{{editgoods.lastEditTime}}</td>
                    <td><button @click="savegoods(editgoods)">保存</button></td>
                </tr>
                <tr v-for="g in goodss">
                    <td>{{g.id}}</td>
                    <td>{{g.title}}</td>
                    <td><img v-bind:src="g.picture" class="gpic"></td>
                    <td>{{g.introduction}}</td>
                    <td>{{g.price}}</td>
                    <td>{{g.categoryId}}</td>
                    <td>{{g.lastEditBy}}</td>
                    <td>{{g.lastEditTime}}</td>
                    <td><button @click="editgoods(g)" disabled="disabled">修改</button>&nbsp;|&nbsp;<!-- UI暂不实现修改，禁用 -->
                    <button @click="delgoods(g)">删除</button></td>
                </tr>
            </table>
        </fieldset>
    </div>
    <script type="text/javascript">
        var vm=new Vue({
            el:"#app",
            data:{
                categorys:[],
                goodss:[],
                editgoods:{
                    id:null,
                    title:null,
                    picture:null,
                    price:0.00,
                    introduction:null,
                    categoryId:1,
                    lastEditBy:"zuowenjun",
                    lastEditTime:null
                }
            },
            created:function(){
                this.$http.get('/api/categorys').then(function(res){
                     this.categorys=res.body;  
                    },function(){
                        alert("获取categorys失败！");
                    });
                
                this.getGoodsListByPage(100,1);//DEMO,只加载第1页
                 
            },
            methods:{
                getGoodsListByPage:function(ps,pno){
                    var self = this;
                    //按分页检索商品列表
                     this.$http.get('/api/goods' +'?pagesize='+ps +'&page=' + pno).then(function(res){
                         self.goodss=res.body;  
                         //alert(JSON.stringify(self.goods));
                        },function(){
                            alert("获取goods失败！");
                        });
                },
                selectimg:function(el){
                    
                    let gpic=el.files[0];
                    let type=gpic.type;//文件的类型，判断是否是图片
                    let size=gpic.size;//文件的大小，判断图片的大小
                    if('image/gif, image/jpeg, image/png, image/jpg'.indexOf(type) == -1){
                        alert('请选择我们支持的图片格式！');
                        return false;
                    }
                    if(size>3145728){
                        alert('请选择3M以内的图片！');
                        return false;
                    }
                    var uri ='';
                    
                    this.editgoods.picture=URL.createObjectURL(gpic);
                },
                savegoods:function(g){
                    var fileDom=document.getElementById("gpicfile");
                    let formData = new FormData();
                    formData.append('id', this.editgoods.id);
                    formData.append('title', this.editgoods.title);
                    formData.append('picture', fileDom.files[0]);
                    formData.append('price', this.editgoods.price);
                    formData.append('introduction', this.editgoods.introduction);
                    formData.append('categoryId', this.editgoods.categoryId);
                    
                    let config = {
                              headers: {
                                'Content-Type': 'multipart/form-data'
                              }
                            }
                    
                      this.$http.post('/api/savegoods', formData, config).then(function (res) {
                          alert(res.body.msg);
                          if(res.body.code==0){
                              this.goodss.unshift(res.body.data);//插入到数组最新面
                              this.editgoods={//重新初始化，以便实现清空所有编辑框
                                      id:null,
                                    title:null,
                                    picture:null,
                                    price:0.00,
                                    introduction:null,
                                    categoryId:1,
                                    lastEditBy:"zuowenjun",
                                    lastEditTime:null
                                };
                          }
                        });
                },
                delgoods:function(g){
                     this.$http.get('/api/delgoods/' + g.id).then(function(res){
                         alert(res.body.msg); 
                         if(res.body.code==0){
                             this.goodss.remove(g);
                         }
                        },function(){
                            alert("删除goods失败！");
                        });
                }
            }
        });
    
        
        Array.prototype.remove = function(val) { 
            var index = this.indexOf(val); 
            if (index > -1) { 
            this.splice(index, 1); 
            } 
        };
    </script>
    
</body>
</html>

package cn.zuowenjun.boot.controller;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import cn.zuowenjun.boot.domain.*;
import cn.zuowenjun.boot.service.*;

/*
 * ALL REST API 
 */
@RestController
@RequestMapping("/api")
public class ApiController {

    @Autowired
    private GoodsService goodsService;

    @Autowired
    private ShoppingOrderService shoppingOrderService;

    @Autowired
    private ShopUserService shopUserService;
    
    private String getCurrentShopper() {
        String shopper = shopUserService.getCurrentLoginUser();
        return shopper;
    }
    
    @PostMapping(value="/login",produces = "application/json;charset=utf-8")
    public ApiResultMsg login(@RequestBody Map<String,String> requestMap) {
        String userid=requestMap.get("userid");
        String upwd=requestMap.get("upwd");
        String loginResult= shopUserService.login(userid, upwd);
        if(loginResult==null) {
            return new ApiResultMsg(0,"OK",null);
        }else {
            return new ApiResultMsg(-1,"登录失败：" + loginResult,null);
        }
        
    }

    @GetMapping(value = "/categorys", produces = "application/json;charset=utf-8")
    public List<GoodsCategory> getAllGoodsCategorys() {
        return goodsService.getAllGoodsCategoryList();
    }

    @GetMapping(value = "/goods/{cateid}", produces = "application/json;charset=utf-8")
    public List<Goods> getGoodsList(@PathVariable(name = "cateid") int categoryid) {
        return goodsService.getGoodsListByCategory(categoryid);
    }

    @GetMapping(value = "/goods", produces = "application/json;charset=utf-8")
    public List<Goods> getGoodsList(@RequestParam(name = "pagesize", required = false) String spageSize,
            @RequestParam(name = "page", required = false) String spageNo) {

        int pageSize = tryparseToInt(spageSize);
        int pageNo = tryparseToInt(spageNo);

        pageSize = pageSize <= 0 ? 10 : pageSize;
        pageNo = pageNo <= 1 ? 1 : pageNo;
        return goodsService.getGoodsListByPage(pageSize, pageNo);
    }

    @GetMapping(value = "/goodsmany", produces = "application/json;charset=utf-8")
    public List<Goods> getGoodsListByMultIds(@RequestBody int[] ids) {
        return goodsService.getGoodsListByMultIds(ids);
    }

    @PostMapping(value = "/addToShoppingCart", produces = "application/json;charset=utf-8")
    public ApiResultMsg addToShoppingCart(@RequestBody Map<String, Integer> json) {
        int goodsId = json.get("goodsid");
        int qty = json.get("goodsqty");
        ApiResultMsg msg = new ApiResultMsg();
        if (goodsId <= 0) {
            msg.setCode(101);
            msg.setMsg("该商品ID无效");
            return msg;
        }

        String shopper = getCurrentShopper();
        ShoppingCart shoppingCart = new ShoppingCart(0, shopper, goodsId, qty, new Date());

        shoppingOrderService.insertShoppingCart(shoppingCart);

        msg.setCode(0);
        msg.setMsg("添加购物车成功！");

        int cartCount = shoppingOrderService.getShoppingCartBuyCount(shopper);
        HashMap<String, Object> data = new HashMap<>();
        data.put("cartCount", cartCount);

        msg.setData(data);

        return msg;
    }

    @GetMapping(value = "/goods-{gid}", produces = "application/json;charset=utf-8")
    public Goods getGoods(@PathVariable("gid") int goodsId) {
        return goodsService.getGoods(goodsId);
    }

    @GetMapping(value = "/cartlist", produces = "application/json;charset=utf-8")
    public List<ShoppingCart> getShoppingCartList() {
        String shopper = getCurrentShopper();
        return shoppingOrderService.getShoppingCartList(shopper);
    }

    @PostMapping(value = "/deletecartitems-{mode}", produces = "application/json;charset=utf-8")
    public ApiResultMsg deleteShoppingCartItems(@PathVariable("mode") String mode,
            @RequestBody(required = false) int[] cartIds) {
        if (mode.equalsIgnoreCase("all")) {
            String shopper = getCurrentShopper();
            shoppingOrderService.clearShoppingCart(shopper);
        } else {
            for (int id : cartIds) {
                shoppingOrderService.deleteShoppingCart(id);
            }
        }

        return new ApiResultMsg(0, "删除成功！", null);
    }

    @PostMapping(value = "/createorder", produces = "application/json;charset=utf-8")
    public ApiResultMsg createShoppingOrder() {

        String shopper = getCurrentShopper();
        ApiResultMsg msg = new ApiResultMsg();
        if (shoppingOrderService.createShoppingOrderByShopper(shopper)) {
            msg.setCode(0);
            msg.setMsg("恭喜你，下单成功！");
        } else {
            msg.setCode(101);
            msg.setMsg("对不起，下单失败，请重试！");
        }

        return msg;

    }

    @RequestMapping(path = "/orders", produces = "application/json;charset=utf-8", method = RequestMethod.GET) // 等同于@GetMapping
    public List<ShoppingOrder> getShoppingOrderList() {
        String shopper = getCurrentShopper();
        return shoppingOrderService.getShoppingOrderList(shopper);
    }

    @RequestMapping(path = "/orderdetail", produces = "application/json;charset=utf-8", method = RequestMethod.POST) // 等同于@PostMapping
    public ApiResultMsg getShoppingOrderDetail(@RequestBody Map<String, String> requestJosn) {
        String orderId = requestJosn.get("orderId");
        List<ShoppingOrderDetail> orderDetails = shoppingOrderService.getShoppingOrderDetail(tryparseToInt(orderId));
        ApiResultMsg msg = new ApiResultMsg();
        if (orderDetails.size() > 0) {

            int[] goodsIds = new int[orderDetails.size()];
            for (int i = 0; i < orderDetails.size(); i++) {
                goodsIds[i] = orderDetails.get(i).getGoodsid();
            }

            List<Goods> goodsList = goodsService.getGoodsListByMultIds(goodsIds);
            HashMap<String, Object> data = new HashMap<>();
            data.put("details", orderDetails);
            data.put("goodss", goodsList);
            
            msg.setCode(0);
            msg.setData(data);

        } else {
            msg.setCode(101);
            msg.setMsg("获取订单详情信息失败！");
        }
        
        return msg;

    }
    
    //这里示例配置多个URL请求路径
    @PostMapping(path= {"/confirmOrderCompleted","/cfmordercompl"},produces="application/json;charset=utf-8")
    public ApiResultMsg confirmOrderCompleted(@RequestBody Map<String, String> requestJosn) {
        String reqOrderId = requestJosn.get("orderId");
        ApiResultMsg msg=new ApiResultMsg();
        try {
            
            int orderId=tryparseToInt(reqOrderId);
            ShoppingOrder  order= shoppingOrderService.getShoppingOrder(orderId);
            order.setIscompleted(true);
            shoppingOrderService.updateShoppingOrder(order);
            msg.setCode(0);
            msg.setMsg("确认订单完成成功（已收货）");
        }catch (Exception e) {
            msg.setCode(101);
            msg.setMsg("确认订单完成失败：" + e.getMessage());
        }
        
        return msg;
    }
    
    
    @PostMapping(path="/savegoods",produces="application/json;charset=utf-8",consumes="multipart/form-data")
    public ApiResultMsg saveGoods(@RequestParam("picture") MultipartFile gpic,HttpServletRequest request) {
        ApiResultMsg msg=new ApiResultMsg();
        try
        {
            Goods goods=new Goods();
            goods.setId(tryparseToInt(request.getParameter("id")));
            goods.setTitle(request.getParameter("title"));
            goods.setPrice(new BigDecimal(request.getParameter("price")));
            goods.setIntroduction(request.getParameter("introduction"));
            goods.setCategoryId(tryparseToInt(request.getParameter("categoryId")));
            goods.setLastEditBy(getCurrentShopper());
            goods.setLastEditTime(new Date());
            
            if(goods.getId()<=0) {
                goodsService.insertGoods(goods, gpic);
            } else {
                goodsService.updateGoods(goods, gpic);
            }
            
            msg.setCode(0);
            msg.setMsg("保存成功！");
            msg.setData(goods);
            
        }catch (Exception e) {
            msg.setCode(101);
            msg.setMsg("保存失败：" + e.getMessage());
        }
        
        return msg;
        
    }
    
    @GetMapping(path="/delgoods/{gid}",produces="application/json;charset=utf-8")
    public ApiResultMsg deleteGoods(@PathVariable("gid") int goodsId) {
        goodsService.deleteGoods(goodsId);
        ApiResultMsg msg=new ApiResultMsg();
        msg.setCode(0);
        msg.setMsg("删除商品成功！");
        
        return msg;
    }
    

    private int tryparseToInt(String str) {
        try {
            return Integer.parseInt(str);
        } catch (Exception e) {
            return -1;
        }
    }

}

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>登录入口  -梦在旅途的电商小店</title>
<meta name="author" content="www.zuowenjun.cn" >
<script src="https://cdn.jsdelivr.net/npm/vue" type="text/javascript"></script>
<script src="https://cdn.staticfile.org/vue-resource/1.5.1/vue-resource.min.js"></script>
</head>
<body>
    <div id="app">
        <form method="post" @submit.prevent="loginsubmit">
        <p>用户ID：</p>
        <p><input type="text" v-model="uid"></p>
                <p>密码：</p>
        <p><input type="password" v-model="pwd"></p>
        <p>
            <button type="submit">登录</button>
        </p>
        </form>
    </div>
    <script type="text/javascript">
        var vm=new Vue({
            el:"#app",
            data:{
                uid:null,
                pwd:null
            },
            methods:{
                loginsubmit:function(){
                    
                     this.$http.post('/api/login',{userid:this.uid,upwd:this.pwd}).then(function(res){
                         var rs=res.body;
                         if(rs.code==0){
                             window.location.href="index.html";
                         }else{
                             alert(rs.msg);
                         }
                        },function(){
                            alert("登录请求失败！");
                        });
                }
            }
        });
    </script>
</body>
</html>

package cn.zuowenjun.boot;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import com.fasterxml.jackson.databind.ObjectMapper;

import cn.zuowenjun.boot.domain.ApiResultMsg;

@Component
public class LoginInterceptor implements HandlerInterceptor {

    private static Logger logger = LoggerFactory.getLogger(LoginInterceptor.class);

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {

        HttpSession session = request.getSession();
        if (session.getAttribute("loginUser") == null) {// 未登录则转到登录页面
            boolean isAjaxRequest = false;
            boolean isAcceptJSON = false;
            if (request.getHeader("x-requested-with") != null
                    && request.getHeader("x-requested-with").equalsIgnoreCase("XMLHttpRequest")) {
                isAjaxRequest = true;
            }

            if (request.getHeader("Accept") != null && request.getHeader("Accept").contains("application/json")) {
                isAcceptJSON = true;
            }

            if(isAjaxRequest || isAcceptJSON) {
                
                //使用jackson序列化JSON
                ApiResultMsg msg=new ApiResultMsg(-1,"未登录，禁止访问",null);
                ObjectMapper mapper = new ObjectMapper();
                String msgJson= mapper.writeValueAsString(msg);
                
                responseJson(response,msgJson);
                
            }else {
                
                response.sendRedirect("/login.html");
            }
            return false;
        }

        return true;
    }

    private void responseJson(HttpServletResponse response, String json) throws Exception {
        PrintWriter writer = null;
        response.setCharacterEncoding("UTF-8");
        response.setContentType("applcation/json; charset=utf-8");
        try {
            writer = response.getWriter();
            writer.print(json);

        } catch (IOException e) {
            logger.error("response error", e);
        } finally {
            if (writer != null)
                writer.close();
        }
    }
}

package cn.zuowenjun.boot;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.*;

@Configuration
public class SpringbootdemoAppConfigurer implements WebMvcConfigurer {
    
    @Autowired
    private LoginInterceptor loginInterceptor;
    
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        InterceptorRegistration registration = registry.addInterceptor(loginInterceptor);
        registration.addPathPatterns("/**");
        registration.excludePathPatterns("/*.html","/uploadimgs/*","/error","/api/login","/api/categorys","/api/goods*","/api/goods/*",
                "/hello/*","/test/*");
    }

}