spring mvc 响应处理post请求和get请求 测试

**********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_3_0.xsd" id="WebApp_ID" version="3.0">
  
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
  <!--
  springmvc中处理防止静态资源访问受阻的解决办法
  第一种在该文件中加上先看的配置即可
  第二种将servlet的请求映射地址的 / 改为 *.do 或者其他 然后每次请求的时候必须加上这样的后缀，这种不是很好
  第三种在springmvc的主配置文件中 配置 
   -->
  <servlet-mapping>
  	<servlet-name>default</servlet-name>
  	<url-pattern>*.gif</url-pattern>
  	<url-pattern>*.jpg</url-pattern>
  	<url-pattern>*.png</url-pattern>
  	<url-pattern>*.ico</url-pattern>
  	<url-pattern>*.js</url-pattern>
  	<url-pattern>*.css</url-pattern>
  </servlet-mapping>
  
  <!-- 解决post请求参数中文乱码的配置 -->
  <filter>
  	<filter-name>springmvc001-filter</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>
  	<init-param>
  		<param-name>forceEncoding</param-name>
  		<param-value>true</param-value>
  	</init-param>
  </filter>
  <filter-mapping>
  	<filter-name>springmvc001-filter</filter-name>
  	<url-pattern>/*</url-pattern>
  </filter-mapping>
   
  <!-- 配置springmv框架接受所有请求 -->
  <servlet>
  	<servlet-name>springmvc001-servlet</servlet-name>
  	<servlet-class>
  		org.springframework.web.servlet.DispatcherServlet
  	</servlet-class>
  	<init-param>
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:springMVC-main.xml</param-value>
  	</init-param>
  </servlet>
  <servlet-mapping>
  	<servlet-name>springmvc001-servlet</servlet-name>
  	<url-pattern>/</url-pattern>
  </servlet-mapping>
  
  
</web-app>

**********springmvc 主配置文件**********************

<?xml version="1.0" encoding="UTF-8"?>
<beans
	xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:context="http://www.springframework.org/schema/context"  
	xmlns:mvc="http://www.springframework.org/schema/mvc"  
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-3.2.xsd 
	http://www.springframework.org/schema/tx 
	http://www.springframework.org/schema/tx/spring-tx-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/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
    
    <!--配置处理bean-->
	<bean name="/ok" class="com.springmvc001.controller.TestController">
		<property name="MethodNameResolver">
			<ref bean="parameterMethodNameResolver"/>
		</property>
	</bean>

    <!--配置内部资源视图解析器-->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    	<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>
    	<property name="contentType" value="text/html"></property>
    	<property name="prefix" value="/"></property>
    	<property name="suffix" value=".jsp"></property>
    </bean>
    
    <!--配置参数方法名称解析器-->
    <bean id="parameterMethodNameResolver" 
    	  class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
    	<property name="paramName" value="tm"></property>
    </bean>

</beans>

***********controller*********************

package com.springmvc001.controller;

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

import org.springframework.web.servlet.mvc.multiaction.MultiActionController;

public class TestController extends MultiActionController{

	//这里的参数不能丢
	public String testString(HttpServletRequest request , HttpServletResponse response){
		System.out.println("---testString--" + request.getParameter("username") +"---" + request.getParameter("password"));
		request.setAttribute("user", new User(request.getParameter("username") , request.getParameter("password")));
		return "ok" ;
	}
	
}

**************实体对象******************

package com.springmvc001.controller;

import java.io.Serializable;

public class User implements Serializable {

	/**
	 * 实体对象
	 */
	private static final long serialVersionUID = 1L;
	private String username ; 
	private String password ;
	public User() {
		super();
		// TODO Auto-generated constructor stub
	}
	public User(String username, String password) {
		super();
		this.username = username;
		this.password = password;
	}
}

*************请求jsp页面*******************

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">    
    <title>标题</title>        
  <meta http-equiv="pragma" content="no-cache">
  <meta http-equiv="cache-control" content="no-cache">
  <meta http-equiv="expires" content="0">    
  <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
  <meta http-equiv="description" content="This is my page">
 </head>
 <body>
	<br> 
	<br>
	<hr>
	
	<!-- 怪异现象：
		当我这里用的是post方法提交，是没有问题的，很正常，
		但是get方法提交，就找不到对应的方法，如何解决??????
		我自己的解决方法是在表单中手动添加一个hidden隐藏域，
		name="tm" value="testString" 模拟一个请求方法名称，已经经过测试，可以的
		
		对于spring自己的form标签，用起来很不顺手，所以出现很多问题，以后有机会再学习使用吧 O(∩_∩)O~
	 -->
	<form action="ok?tm=testString" method="post">
		<fieldset>
			<legend>返回字符串 测试</legend>
			<!-- <input type="hidden" name="tm" value="testString"> get请求时添加 可以解决问题-->
			userame : <input name="username" type="text"> <br>
			password : <input name="password" type="password"> <br>
			<input type="submit" value="数据提交">
		</fieldset>
	</form>
	<br>
	<br>
	<br>
	<hr>
	<br>
	<div style="text-align:center">
		<a href="ok?tm=testString&username=用户名称&password=123">超链接请求</a>
	</div>
	
 </body>
</html>

**************响应jsp页面******************

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">    
    <title>标题</title>        
  <meta http-equiv="pragma" content="no-cache">
  <meta http-equiv="cache-control" content="no-cache">
  <meta http-equiv="expires" content="0">    
  <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
  <meta http-equiv="description" content="This is my page">
 </head>
 <body>
 	ok.jsp
 	<br>
 	<br>
 	<br>
 	<br>
 	<p>username==${user.username } , password==${user.password }</p>
 </body>
</html>