页面参数传递到controller， 可被同名(与页面标签上的name名对应)的参数接收，用request设值，页面再取出来。 注意乱码解决办法： ①如果是get提交，则在tomcat的server.xml里配置中加上URIEncoding=”UTF-8” ②如果是post提交，则在web.xml中配置spring提供的过滤器。
访问结果：
中间出现的问题：
解决方法：
springmvc配置文件里加这句话<mvc:default-servlet-handler/>
或者
在页面上的 js引用路径上改成：
../../js/
代码如下：
1.web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <servlet> <!--基础配置有springMVC配置的servlet路径--> <servlet-name>SpringMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!--如果需要加载其他地方的多个springMVC配置文件--> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:config/SpringMVCAnnotation-servlet.xml</param-value> <!--classpath*代表在src下寻找config文件夹再在其中寻找以-servlet.xml文件结尾的文件--> </init-param> <!--配置加载顺序的，数字越低优先级越高--> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>SpringMVC</servlet-name> <url-pattern>/</url-pattern><!-- 拦截所有请求 --> </servlet-mapping> </web-app>
2.SpringMVCAnnotation-servlet.xml
SpringMVCAnnotation-servlet.xml3.DataController.java
package annotation; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping("/user/data") public class DataController { @RequestMapping(value="/addUser") public String addUser(String userName,String age,HttpServletRequest request){ request.setAttribute("userName", userName); request.setAttribute("age", age); System.out.println(userName); System.out.println(age); String result ="this is addUser------"; return "userManager"; } @RequestMapping(value="/delUser") public String delUser(){ String result ="this is delUser------"; return ""; } @RequestMapping(value="/toUser") public String toUser(){ return "addUser"; } }
4.touser.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <body> <form action="/SpringMVC5/user/addUser" method="post"> <h1>SpringMVC注解</h1> <br> ${result } <input type="submit" value="post请求"> </form> </body> </html>
4.addUser.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <script type="text/javascript" src="../js/jquery-1.7.1.min.js"></script> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <script type="text/javascript"> function addUser(){ var form = document.forms[0]; form.action = "/SpringMVC6/user/data/addUser"; form.method="post"; form.submit(); } </script> </head> <body> <h>添加用户</h> <form action=""> 姓名：<input type="text" name="userName"/> 年龄：<input type="text" name="age"/> <input type="button" value="添加" onclick="addUser()"> </form> </body> </html>