springMVC结合json向后台传送数据（一）

来源：互联网发布：照片修图软件编辑：程序博客网时间：2024/05/07 16:18

本文是本人在学习网络视频springMVC的过程中的学习笔记。

此次笔记是记录从前台如何利用json向后台传送数据。

前台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="/springMVC6/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">$(document).ready(function(){$("#add").click(function(){var userName = $("#userName").attr("value");var age =$("#age").attr("value");var user = {userName:userName,age:age};$.ajax({url:"/springMVC6/user/data/addUserJson",type:"get",data:user,success:function(data){alert("userName--->" + data.userName);}});});});</script></head><body><h>json添加用户</h>姓名：<input type="text" name="userName" id="userName"/>年龄：<input type="text" name="age" id="age"/><input type="button" value="添加" id="add"></body></html>

接受数据的java代码

package com.tgb.web.controller.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;import com.tgb.web.controller.entity.User;@Controller@RequestMapping("/user/data")public class DataController {@RequestMapping(value="/addUser")public String addUser(User user,HttpServletRequest request){request.setAttribute("userName", user.getUserName());request.setAttribute("age", user.getAge());String result ="this is addUser------";return "userManager";}@RequestMapping(value="/addUserJson")public String addUserJson(User user,HttpServletRequest request){request.setAttribute("userName", user.getUserName());request.setAttribute("age", user.getAge());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 "json";}}

关键学习点在前台界面的书写方式

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