SpringMVC八种传值方式

项目结构：

直接看代码：

spring-servlet.xml：

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"xmlns:context="http://www.springframework.org/schema/context"xmlns:mvc="http://www.springframework.org/schema/mvc"       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-2.5.xsd           http://www.springframework.org/schema/context           http://www.springframework.org/schema/context/spring-context-2.5.xsd           http://www.springframework.org/schema/mvc           http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"><!-- 配置文件的扫描路径 --><context:component-scan base-package="com.jadeon.action"/><!-- 配置自动扫描 --><mvc:annotation-driven/><!-- 默认支持静态文件 --><mvc:default-servlet-handler/><!-- 视图加载器 --><bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"><!-- 支持jstl --><property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/><!-- 返回的界面路径 --><property  name="prefix" value="/WEB-INF/"/><!-- 返回的界面文件后缀 --><property name="suffix" value=".jsp"/></bean></beans>

web.xml:

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1">  <display-name>springMVC_1</display-name>  <welcome-file-list>    <welcome-file>index.jsp</welcome-file>  </welcome-file-list>    <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:spring-servlet.xml</param-value>  </init-param>  </servlet>    <servlet-mapping>  <servlet-name>springmvc</servlet-name>  <url-pattern>/</url-pattern>  </servlet-mapping>        <!-- 字符过滤器 -->        <filter>          <filter-name>encodingFilter</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>encodingFilter</filter-name>          <url-pattern>/*</url-pattern>        </filter-mapping>    </web-app>

action：

package com.jadeon.action;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.ModelAttribute;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.ResponseBody;import org.springframework.web.context.request.WebRequest;import com.jadeon.entity.UserInfo;/*** * @Controller : 标注UserAction为控制器 * @RequestMapping : 控制器如何访问， 方法如何访问 * @author Administrator * */@Controller@RequestMapping(value = "/user")public class UserAction {@RequestMapping(value = "/firstRequst")public String login(Model model) {System.out.println("login...");model.addAttribute("username", "jadeon1");return "jsp/success";}@RequestMapping(value = "/secondRequst/*", method = RequestMethod.POST)public String visitWithPathVariablePattern(Model model, UserInfo info) {System.out.println(info.getAge());UserInfo info1 = new UserInfo();info1.setAge(info.getAge());model.addAttribute("info", info1);return "jsp/success";}@RequestMapping(value = "/threeRequst")public String servletAPI(HttpServletRequest request, HttpServletResponse response, HttpSession session,Model model) {System.out.println(request.getMethod());String method = request.getMethod();model.addAttribute("method", method);return "jsp/success";}@RequestMapping(value = "/fourRequst")public String webRequest(WebRequest request,Model model){System.out.println(request.getContextPath());String getContextPath = request.getContextPath();model.addAttribute("getContextPath", getContextPath);return "jsp/success";}@RequestMapping(value="/fiveRequst/{username}")public String visitWithPathVariable(@PathVariable String username,Model model){System.out.println(username);String uname = username;model.addAttribute("uname", uname);return "jsp/success";}/*** * post请求 * @RequestParam 映射请求参数（required）是否必须传参数，defaultValue 默认值 * @param info.age * @param model * @return */@RequestMapping("/sixRequst")public String postRequest(UserInfo info,Model model){System.out.println(info.getUsername()+"--"+info.getLoginame());UserInfo info1 = new UserInfo();info1.setUsername(info.getUsername());info1.setLoginame(info.getLoginame());model.addAttribute("info", info1);return "jsp/success";}@RequestMapping("/sevenRequst")public String requestBody(@RequestBody String body,Model model){//这个是一个请求映射方法，需要使用ajax，数据类型引用json类型（ dataType: "application/json"）System.out.println(body);return "jsp/success";}@RequestMapping("/eightRequst")@ResponseBodypublic String responseBody() {return "{username:admin}";}@ModelAttributepublic void startLog() {System.out.println("开始记录...");}}

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"><script type="text/javascript" src="js/jquery-1.8.3.min.js"></script><script type="text/javascript" src="js/index.js"></script><title>Insert title here</title></head><body><h1>SpringMVC 8种传值方式</h1><h2>First Request:<a href="user/firstRequst">First</a></h2><h2>Second Request:</h2><form action="user/secondRequst/*" method="post" name="info">Age:<input type="text" name="age" value="2"><input type="submit" value="Second"></form><h2>Three Request:<a href="user/threeRequst">Three</a></h2><h2>Four Request:<a href="user/fourRequst">Four</a></h2><h2>Five Request:<a href="user/fiveRequst/jadeon-5">Five</a></h2><h2>Six Request:</h2><form action="user/sixRequst" method="post" name="info">  username:<input type="text" name="username">   loginame:<input type="text" name="loginame">     <input type="submit" value="登录">    </form>    <br/>  <h2>Seven Request:<a href="javascript:void(0)" onclick="seven()">Seven</a> </h2><h2>Eight Request:<a href="user/eightRequst">Eight</a></h2></body></html>