jsp+java类+servlet实现文件读取、写入的功能(三)-JSP教程,Jsp/Servlet

本文是根据tomcat平台下实现而做，文件目录为：

下面开始修改web.xml令filesevelet生效/*

       <?xml version=”1.0″ encoding=”iso-8859-1″?>

<!doctype web-app
    public “-//sun microsystems, inc.//dtd web application 2.3//en”
    “http://java.sun.com/dtd/web-app_2_3.dtd”>

<web-app>
  <display-name>welcome to tomcat</display-name>
  <description>
     welcome to tomcat
  </description>

<!– jspc servlet mappings start –>

    <servlet>
        <servlet-name>org.apache.jsp.index_jsp</servlet-name>
        <servlet-class>org.apache.jsp.index_jsp</servlet-class>
    </servlet>
    
        <servlet-mapping>
        <servlet-name>org.apache.jsp.index_jsp</servlet-name>
        <url-pattern>/index.jsp</url-pattern>
    </servlet-mapping>
        <servlet>
        <servlet-name>fileservlet</servlet-name>
        <servlet-class>com.fileservlet</servlet-class>
    </servlet>   
    <servlet-mapping>
        <servlet-name>fileservlet</servlet-name>
        <url-pattern>/servlet/fileservlet</url-pattern>
    </servlet-mapping>
<!– jspc servlet mappings end –>

</web-app> 

在浏览器中输入：http://localhost:8080/news/servlet/fileservlet

ok，出现以下面面：

同时 在news\html\下可以找到test.htm，ok，成功!