SpringMVC環(huán)境下實現(xiàn)的Ajax異步請求JSON格式數(shù)據(jù)

?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: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-4.0.xsd
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/mvc 
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
!-- 避免IE執(zhí)行AJAX時,返回JSON出現(xiàn)下載文件 -->
bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
property name="supportedMediaTypes">
list>
value>text/html;charset=UTF-8/value>
value>application/json;charset=UTF-8/value>
/list>
/property>
property name="objectMapper">
bean class="org.codehaus.jackson.map.ObjectMapper">
property name="dateFormat">
bean class="java.text.SimpleDateFormat">
constructor-arg type="java.lang.String" value="yyyy-MM-dd HH:mm:ss">/constructor-arg>
/bean>
/property>
/bean>
/property>
/bean>
!-- 啟動Spring MVC的注解功能，完成請求和注解POJO的映射 -->
bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
property name="messageConverters">
list>
ref bean="mappingJacksonHttpMessageConverter" />!-- json轉(zhuǎn)換器 -->
/list>
/property>
/bean>
mvc:annotation-driven
content-negotiation-manager="contentNegotiationManager" />
bean id="contentNegotiationManager"
class="org.springframework.web.accept.ContentNegotiationManagerFactoryBean">
!-- true，開啟擴展名支持，false關(guān)閉支持 -->
property name="favorPathExtension" value="false" />
!-- 用于開啟 /userinfo/123?format=json的支持 -->
property name="favorParameter" value="true" />
!-- 設(shè)置為true以忽略對Accept Header的支持 -->
property name="ignoreAcceptHeader" value="false" />
property name="mediaTypes">
value>
atom=application/atom+xml
html=text/html
json=application/json
xml=application/xml
*=*/*
/value>
/property>
/bean>
context:annotation-config />
!-- 啟動自動掃描該包下所有的Bean(例如@Controller) -->
context:component-scan base-package="cn.zifangsky.controller" />
mvc:default-servlet-handler />
!-- 定義視圖解析器 -->
bean id="jspViewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
property name="requestContextAttribute" value="rc" />
property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
property name="prefix" value="/WEB-INF/jsp/" />
property name="suffix" value=".jsp" />
property name="order" value="1">/property>
/bean>
/beans>

%@ 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 + "/";
%>
html>
head>
meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
base href="%=basePath%>">
script type="text/javascript" src="scripts/jquery/jquery-1.6.2.min.js">/script>
script type="text/javascript" src="scripts/jquery/jquery.i18n.properties-min-1.0.9.js">/script>
script type="text/javascript" src="scripts/jquery/jquery.autocomplete.js">/script>
script type="text/javascript" src="scripts/jquery/jquery.loadmask.js">/script>
script type="text/javascript" src="scripts/jquery/jquery.form.js">/script>
script type="text/javascript" src="scripts/jquery/jquery.timers.js">/script>
title>jQuery i18n/title>
script type="text/javascript">
$().ready(
function() {
$("#sub").click(
function() {
var name = $("#username").val();
var age = 18;
var user = {"username":name,"age":age};
$.ajax({
url : 'hello.json',
type : 'POST',
data : JSON.stringify(user), // Request body 
contentType : 'application/json; charset=utf-8',
dataType : 'json',
success : function(response) {
//請求成功
alert("你好" + response.username + "[" + response.age + "]，當(dāng)前時間是：" + response.time + "，歡迎訪問：http://www.zifangsky.cn");
},
error : function(msg) {
alert(msg);
}
});
});
});
/script>
/head>
body>
input type="text" id="username"
style="width: 100px; height: 30px; font-size: 20px; font-weight: bold;">
input type="button" id="sub" value="Go"
style="height: 40px; height: 30px;">
br>
/body>
/html>

package cn.zifangsky.controller;
public class User {
private String username;
private int age;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}

package cn.zifangsky.controller;
import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
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.servlet.ModelAndView;
@Controller
@Scope("prototype")
public class TestController {
/**
* 轉(zhuǎn)到頁面
*/
@RequestMapping(value = "/hello.html")
public ModelAndView list() {
ModelAndView view = new ModelAndView("index");
return view;
}
/**
* ajax異步請求， 請求格式是json
*/
@RequestMapping(value = "/hello.json", method = { RequestMethod.POST })
@ResponseBody
public MapString, String> hello(@RequestBody User user) {
// 返回數(shù)據(jù)的Map集合
MapString, String> result = new HashMapString, String>();
Format format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
// 返回請求的username
result.put("username", user.getUsername());
// 返回年齡
result.put("age", String.valueOf(user.getAge()));
// 返回當(dāng)前時間
result.put("time", format.format(new Date()));
return result;
}
}