springmvc3+json参数传递后台接收json参数

/** * */ package net.liuweifeng.spring; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.slf4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; 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; /** * * Spring3 MVC Demo * * @author liuweifeng * @date 2010-04-26 23:24:20 */ @Controller @RequestMapping("/user") public class DemoController { private Logger logger = org.slf4j.LoggerFactory.getLogger(DemoController.class); @RequestMapping("/index") public void index() { logger.info("首页"); } @RequestMapping(value = "/list", method = RequestMethod.GET) @ResponseBody public Map<String, Object> getUserList() { logger.info("列表"); List<UserModel> list = new ArrayList<UserModel>(); UserModel um = new UserModel(); um.setId("1"); um.setUsername("sss"); um.setAge(222); list.add(um); Map<String, Object> modelMap = new HashMap<String, Object>(3); modelMap.put("total", "1"); modelMap.put("data", list); modelMap.put("success", "true"); return modelMap; } @RequestMapping(value="/{id}",method=RequestMethod.GET) @ResponseBody public UserModel getUserById(@PathVariable String id) { logger.info("取值"); UserModel um = new UserModel(); um.setId(id); um.setUsername("sss"); um.setAge(222); return um; } @RequestMapping(value="/add",method=RequestMethod.POST) @ResponseBody public Map<String, String> addUser(@RequestBody UserModel model) { logger.info("新增"); logger.info("捕获到前台传递过来的Model，名称为："+model.getUsername()); Map<String, String> map = new HashMap<String, String>(1); map.put("success", "true"); return map; } }