SpringMVC学习总结（2）——SpringMVC返回json配置

<!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->

<bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">

<property name="supportedMediaTypes">

<list>

<value>text/html;charset=UTF-8</value>

</list>

</property>

</bean>





<!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射 -->

<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">

<property name="messageConverters">

<list>

<ref bean="mappingJacksonHttpMessageConverter" /><!-- json转换器 -->

</list>

</property>

</bean>

package com.zhy.minion.controller;





import java.util.HashMap;

import java.util.Map;





import org.springframework.beans.factory.annotation.Autowired;

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.zhy.minion.model.User;

import com.zhy.minion.service.UserService;





/**

 * @ClassName: UserController

 * @Description: TODO(这里用一句话描述这个类的作用)

 * @author Administrator

 * @date 2016年4月21日 下午1:06:34

 * @Copyright © 2016上海通善互联网金融信息服务有限公司

 */

@Controller

@RequestMapping({ "/user" })

public class UserController {





@Autowired

private UserService userService;





@ResponseBody

@RequestMapping(value = "/login")

public Object findUser(Model model) {





User user = userService.selectUserById(1);

Map<String, Object> map = new HashMap<String, Object>();

map.put("user", user);

return map;

}





}