SpringBoot(六) SpringBoot整合Swagger2(自动…

2019-09-30 06:54:23来源:博客园 阅读 ()

SpringBoot(六) SpringBoot整合Swagger2(自动化生成接口文档)

一:在上篇文章pom增加依赖:

        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.6.1</version>
      </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.6.1</version>
        </dependency>

二、Swagger配置类

其实这个配置类,只要了解具体能配置哪些东西就好了,毕竟这个东西配置一次之后就不用再动了。 特别要注意的是里面配置了api文件也就是要放在controller包的路径,不然生成的文档扫描不到接口。

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
 
/**
 * @author zh
 * @ClassName cn.saytime.Swgger2
 * @Description
 * @date 2017-07-10 22:12:31
 */
@Configuration
public class Swagger2 {
 
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("cn.saytime.web"))
                .paths(PathSelectors.any())
                .build();
    }
    
    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("springboot利用swagger构建api文档")
                .description("简单优雅的restfun风格,http://blog.csdn.net/saytime")
                .termsOfServiceUrl("http://blog.csdn.net/saytime")
                .version("1.0")
                .build();
    }

}

UserController.class:

package com.demo.web;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
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.RestController;

import com.demo.bean.JsonResult;
import com.demo.mapper.User;
import com.demo.service.UserService;
 
@RestController
public class UserController {
 
    @Autowired
    private UserService userService;
 
    @RequestMapping(value = "user/{id}", method = RequestMethod.GET)
    public ResponseEntity<JsonResult> getUserById (@PathVariable(value = "id") Integer id){
        JsonResult r = new JsonResult();
        try {
            User user = userService.getUserById(id);
            r.setResult(user);
            r.setStatus("ok");
        } catch (Exception e) {
            r.setResult(e.getClass().getName() + ":" + e.getMessage());
            r.setStatus("error");
            e.printStackTrace();
        }
        return ResponseEntity.ok(r);
    }
 
    /**
     * 查询用户列表
     * @return
     */
    @RequestMapping(value = "users", method = RequestMethod.GET)
    public ResponseEntity<JsonResult> getUserList (){
        JsonResult r = new JsonResult();
        try {
            List<User> users = userService.getUserList();
            r.setResult(users);
            r.setStatus("ok");
        } catch (Exception e) {
            r.setResult(e.getClass().getName() + ":" + e.getMessage());
            r.setStatus("error");
            e.printStackTrace();
        }
        return ResponseEntity.ok(r);
    }
 

 
}

 

Application.class 加上注解@EnableSwagger2 表示开启Swagger:

@EnableAutoConfiguration
@SpringBootApplication
@MapperScan("com.demo.mapper")
@EnableSwagger2
public class SpringbootStartApplication {

    public static void main(String[] args) {
        SpringApplication.run(SpringbootStartApplication.class, args);
    }
    
}

其他类没有贴出,还是沿用上一篇文章的类。

项目结构:

 

 

四、Swagger2文档

启动SpringBoot项目,访问 http://localhost:8080/swagger-ui.html

 

 

具体里面的内容以及接口测试,应该一看就懂了。这里就不一一截图了。

五、Swagger注解
swagger通过注解表明该接口会生成文档,包括接口名、请求方法、参数、返回信息的等等。

@Api:修饰整个类,描述Controller的作用
@ApiOperation:描述一个类的一个方法,或者说一个接口
@ApiParam:单个参数描述
@ApiModel:用对象来接收参数
@ApiProperty:用对象接收参数时,描述对象的一个字段
@ApiResponse:HTTP响应其中1个描述
@ApiResponses:HTTP响应整体描述
@ApiIgnore:使用该注解忽略这个API
@ApiError :发生错误返回的信息
@ApiImplicitParam:一个请求参数
@ApiImplicitParams:多个请求参数

二:使用Swagger注解之后的UserController:

package com.demo.web;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
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.RestController;

import com.demo.bean.JsonResult;
import com.demo.mapper.User;

import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import springfox.documentation.annotations.ApiIgnore;
 
/**
 * @author zh
 * @ClassName cn.saytime.web.UserController
 * @Description
 */
@RestController
public class UserController {
 
    // 创建线程安全的Map
    static Map<Integer, User> users = Collections.synchronizedMap(new HashMap<Integer, User>());
 
    /**
     * 根据ID查询用户
     * @param id
     * @return
     */
    @ApiOperation(value="获取用户详细信息", notes="根据url的id来获取用户详细信息")
    @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Integer", paramType = "path")
    @RequestMapping(value = "user/{id}", method = RequestMethod.GET)
    public ResponseEntity<JsonResult> getUserById (@PathVariable(value = "id") Integer id){
        JsonResult r = new JsonResult();
        try {
            User user = users.get(id);
            r.setResult(user);
            r.setStatus("ok");
        } catch (Exception e) {
            r.setResult(e.getClass().getName() + ":" + e.getMessage());
            r.setStatus("error");
            e.printStackTrace();
        }
        return ResponseEntity.ok(r);
    }
 
    /**
     * 查询用户列表
     * @return
     */
    @ApiOperation(value="获取用户列表", notes="获取用户列表")
    @RequestMapping(value = "users", method = RequestMethod.GET)
    public ResponseEntity<JsonResult> getUserList (){
        JsonResult r = new JsonResult();
        try {
            List<User> userList = new ArrayList<User>(users.values());
            r.setResult(userList);
            r.setStatus("ok");
        } catch (Exception e) {
            r.setResult(e.getClass().getName() + ":" + e.getMessage());
            r.setStatus("error");
            e.printStackTrace();
        }
        return ResponseEntity.ok(r);
    }
 
    /**
     * 添加用户
     * @param user
     * @return
     */
    @ApiOperation(value="创建用户", notes="根据User对象创建用户")
    @ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User")
    @RequestMapping(value = "user", method = RequestMethod.POST)
    public ResponseEntity<JsonResult> add (@RequestBody User user){
        JsonResult r = new JsonResult();
        try {
            users.put(user.getId(), user);
            r.setResult(user.getId());
            r.setStatus("ok");
        } catch (Exception e) {
            r.setResult(e.getClass().getName() + ":" + e.getMessage());
            r.setStatus("error");
 
            e.printStackTrace();
        }
        return ResponseEntity.ok(r);
    }
 
    /**
     * 根据id删除用户
     * @param id
     * @return
     */
    @ApiOperation(value="删除用户", notes="根据url的id来指定删除用户")
    @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path")
    @RequestMapping(value = "user/{id}", method = RequestMethod.DELETE)
    public ResponseEntity<JsonResult> delete (@PathVariable(value = "id") Integer id){
        JsonResult r = new JsonResult();
        try {
            users.remove(id);
            r.setResult(id);
            r.setStatus("ok");
        } catch (Exception e) {
            r.setResult(e.getClass().getName() + ":" + e.getMessage());
            r.setStatus("error");
 
            e.printStackTrace();
        }
        return ResponseEntity.ok(r);
    }
 
    /**
     * 根据id修改用户信息
     * @param user
     * @return
     */
    @ApiOperation(value="更新信息", notes="根据url的id来指定更新用户信息")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long",paramType = "path"),
            @ApiImplicitParam(name = "user", value = "用户实体user", required = true, dataType = "User")
    })
    @RequestMapping(value = "user/{id}", method = RequestMethod.PUT)
    public ResponseEntity<JsonResult> update (@PathVariable("id") Integer id, @RequestBody User user){
        JsonResult r = new JsonResult();
        try {
            User u = users.get(id);
            u.setUsername(user.getUsername());
            u.setAge(user.getAge());
            users.put(id, u);
            r.setResult(u);
            r.setStatus("ok");
        } catch (Exception e) {
            r.setResult(e.getClass().getName() + ":" + e.getMessage());
            r.setStatus("error");
 
            e.printStackTrace();
        }
        return ResponseEntity.ok(r);
    }
 
    @ApiIgnore//使用该注解忽略这个API
    @RequestMapping(value = "/hi", method = RequestMethod.GET)
    public String  jsonTest() {
        return " hi you!";
    }

}

 

 


原文链接:https://www.cnblogs.com/2019lgg/p/11583585.html
如有疑问请与原作者联系

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