1、web.xml

 <?xml version="1.0" encoding="UTF-8"?>

 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">

   <display-name>springmvc1</display-name>

   <filter>

     <filter-name>characterEncoding</filter-name>

     <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

     <init-param>

       <param-name>encoding</param-name>

       <param-value>UTF-8</param-value>

     </init-param>

   </filter>

   <filter-mapping>

     <filter-name>characterEncoding</filter-name>

     <url-pattern>/*</url-pattern>

   </filter-mapping>

   <servlet>

     <servlet-name>springmvc</servlet-name>

     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

     <init-param>

       <param-name>contextConfigLocation</param-name>

       <param-value>classpath:springmvc.xml</param-value>

     </init-param>

   </servlet>

   <servlet-mapping>

     <servlet-name>springmvc</servlet-name>

     <url-pattern>*.do</url-pattern>

   </servlet-mapping>

   <welcome-file-list>

     <welcome-file>index.html</welcome-file>

     <welcome-file>index.htm</welcome-file>

     <welcome-file>index.jsp</welcome-file>

     <welcome-file>default.html</welcome-file>

     <welcome-file>default.htm</welcome-file>

     <welcome-file>default.jsp</welcome-file>

   </welcome-file-list>

 </web-app>

2、springmvc.xml

 <?xml version="1.0" encoding="UTF-8"?>

 <beans xmlns="http://www.springframework.org/schema/beans"

     xmlns:mvc="http://www.springframework.org/schema/mvc"

     xmlns:aop="http://www.springframework.org/schema/aop"

     xmlns:tx="http://www.springframework.org/schema/tx"

     xmlns:context="http://www.springframework.org/schema/context"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

     xsi:schemaLocation="http://www.springframework.org/schema/beans

                         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

                         http://www.springframework.org/schema/mvc

                         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

                         http://www.springframework.org/schema/context

                         http://www.springframework.org/schema/context/spring-context-3.2.xsd

                         http://www.springframework.org/schema/aop

                         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

                         http://www.springframework.org/schema/tx

                         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">

         <!-- 把Controller交给spring管理 -->

         <context:component-scan base-package="com.xiaostudy"/>

         <!-- 配置注解处理器映射器 功能：寻找执行类Controller -->

         <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/>

         <!-- 配置注解处理器适配器 功能：调用controller方法，执行controller -->

         <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>

         <!-- 配置sprigmvc视图解析器：解析逻辑试图

              后台返回逻辑试图：index

             视图解析器解析出真正物理视图：前缀+逻辑试图+后缀====/WEB-INF/index.jsp -->

         <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

             <property name="prefix" value="/WEB-INF/"/>

             <property name="suffix" value=".jsp"/>

         </bean>

 </beans>

3、domain类

 package com.xiaostudy.domain;

 public class User {

     private int id;

     private String username;

     private String password;

     private int age;

     public int getId() {

         return id;

     }

     public void setId(int id) {

         this.id = id;

     }

     public String getUsername() {

         return username;

     }

     public void setUsername(String username) {

         this.username = username;

     }

     public String getPassword() {

         return password;

     }

     public void setPassword(String password) {

         this.password = password;

     }

     public int getAge() {

         return age;

     }

     public void setAge(int age) {

         this.age = age;

     }

     @Override

     public String toString() {

         return "User [id=" + id + ", username=" + username + ", password=" + password + ", age=" + age + "]";

     }

 }

4、封装domain类

 package com.xiaostudy.controller;

 import com.xiaostudy.domain.User;

 public class CustomUser {

     private User user;

     public User getUser() {

         return user;

     }

     public void setUser(User user) {

         this.user = user;

     }

     @Override

     public String toString() {

         return "CustomUser [user=" + user + "]";

     }

 }

5、注解类

 package com.xiaostudy.controller;

 import org.springframework.stereotype.Controller;

 import org.springframework.web.bind.annotation.RequestMapping;

 import org.springframework.web.bind.annotation.RequestMethod;

 import com.xiaostudy.domain.User;

 @Controller//<bean class="com.xiaostudy.controller.MyController"/>

 @RequestMapping(value="/myController")//访问该类的方法时，前面多这样一个路径

 public class MyController {

 //    @RequestMapping("hello")//http://localhost:8080/demo2/hello.do

 //    @RequestMapping("/hello")//http://localhost:8080/demo2/hello.do

 //    @RequestMapping(value="/hello.do")//http://localhost:8080/demo2/hello.do

 //    @RequestMapping(value="/hello.do",method=RequestMethod.GET)//http://localhost:8080/demo2/hello.do

 //    @RequestMapping(value="/hello.do",method= {RequestMethod.GET,RequestMethod.POST})//http://localhost:8080/demo2/hello.do

     public String print() {

         return "index";

     }

     @RequestMapping("hi")//http://localhost:8080/demo2/myController/hi.do

     public String hello() {

         return "index";

     }

     @RequestMapping("requestint")//http://localhost:8080/demo2/myController/requestint.do

     public String requestint(int id) {

         System.out.println(id);

         return "index";

     }

     @RequestMapping("requestint2")//http://localhost:8080/demo2/myController/requestint2.do

     public String requestint2(int id, int i) {

         System.out.println(id + "   " + i);

         return "index";

     }

     @RequestMapping("requestint3")//http://localhost:8080/demo2/myController/requestint3.do

     public String requestint3(User user) {

         System.out.println(user);

         return "index";

     }

     @RequestMapping("requestint4")//http://localhost:8080/demo2/myController/requestint4.do

     public String requestint4(CustomUser customUser) {

         System.out.println(customUser);

         return "index";

     }

     @RequestMapping("xiaostudy")//http://localhost:8080/demo2/myController/hi.do

     public String add() {

         return "xiaostudy";

     }

 }

6、填写表单数据的xiaostudy.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

             "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

     <title>springMVC_demo</title>

 </head>

 <body>

     <form action="${pageContext.request.contextPath }/myController/requestint.do">

         <fieldset>

             <legend>单独一个参数</legend>

             <input type="text" name="id" id="id"/>

             <input type="submit" value="提交">

         </fieldset>

     </form>

     <form action="${pageContext.request.contextPath }/myController/requestint2.do">

         <fieldset>

             <legend>两个参数</legend>

             <input type="text" name="i" id="i"/>

             <input type="text" name="id" id="id"/>

             <input type="submit" value="提交">

         </fieldset>

     </form>

     <form action="${pageContext.request.contextPath }/myController/requestint3.do">

         <fieldset>

             <legend>参数为一个对象</legend>

             <input type="text" name="id" id="id"/>

             <input type="text" name="username" id="username"/>

             <input type="password" name="password" id="password"/>

             <input type="text" name="age" id="age"/>

             <input type="submit" value="提交">

         </fieldset>

     </form>

     <form action="${pageContext.request.contextPath }/myController/requestint4.do">

         <fieldset>

             <legend>参数为一个封装对象</legend>

             <input type="text" name="user.id" id="id"/>

             <input type="text" name="user.username" id="username"/>

             <input type="password" name="user.password" id="password"/>

             <input type="text" name="user.age" id="age"/>

             <input type="submit" value="提交">

         </fieldset>

     </form>

 </body>

 </html>

7、跳转的index.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

             "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

     <title>springMVC_demo</title>

 </head>

 <body>

     xiaostudy

 </body>

 </html>

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