第1单元spring Mvc 实战.ppt

spring mvc重成json 5、页面读取 script type=text/javascript src=js/jquery.js/script script type=text/javascript//读取集合 $(function(){ $.post(mvc/json.do, function(msg) { for (i = 0; i msg.length; i++){ alert(name: + msg[i].name + ,age + msg[i].pass); } }, json); }); /script script type=text/javascript //读取单个对象 $(function() { $.post(mvc/user.do, function(msg) { alert( + , + msg.pass) }, json); }); /script * ?xml version=1.0 encoding=UTF-8? web-app xmlns:xsi=/2001/XMLSchema-instance xmlns=/xml/ns/javaee xsi:schemaLocation=/xml/ns/javaee /xml/ns/javaee/web-app_2_5.xsd id=WebApp_ID version=2.5 !-- springmvc 前置核心控制器 -- servlet servlet-namespring/servlet-name servlet-classorg.springframework.web.servlet.DispatcherServlet/servlet-class /servlet servlet-mapping servlet-namespring/servlet-name url-pattern*.do/url-pattern /servlet-mapping welcome-file-list welcome-fileindex.jsp/welcome-file /welcome-file-list /web-app * * package com.baidu.controller; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sf.json.JSONArray; import net.sf.json.JSONObject; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import com.baidu.entity.Student; @Controller @RequestMapping(/mvc) public class HelloMvc { @RequestMapping(/hello) public String hello(){ return helloworld;//用来决定要显示的MVC的 V 视图层 是哪个 } @RequestMapping(/login0) public String login0(HttpServletRequest request){ String name=request.getParameter(name); String pass=request.getParameter(pass); request.setAttribute(name, name); request.setAttribute(pass, pass); return hello; } @RequestMapping(/login