详解android与服务端交互的两种方式

package com.mfc.ctrl;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.annotation.Resource;import javax.servlet.http.HttpServletRequest;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import com.mfc.dao.TblUserDao;import com.mfc.entity.TblUser;@Controller@RequestMapping("tblUserCtrl")public class TblUserCtrl {  @Resource(name="tblUserDao")  TblUserDao tblUserDao;  //添加用户  @RequestMapping("addUser")  @ResponseBody  public Object addUser(HttpServletRequest request){    String uname=request.getParameter("uname");    String upass=request.getParameter("upass");    float money=Float.parseFloat(request.getParameter("money"));    System.out.println(uname+"==="+upass+"==="+money);    TblUser tblUser=new TblUser();    tblUser.setMoney(money);    tblUser.setUname(uname);    tblUser.setUpass(upass);    tblUserDao.addUser(tblUser);    Map<String, Object> map=new HashMap<String, Object>();    map.put("success", "success");    return map;  }  //查看所有用户  @RequestMapping("getAllUser")  @ResponseBody  public Object getAllUser(){    List<TblUser> list = tblUserDao.selectAllUser();    Map<String, Object> map=new HashMap<String, Object>();    map.put("list", list);    return map;  }  //删除用户  @RequestMapping("delUser")  @ResponseBody  public Object delUser(HttpServletRequest request){    int uid=Integer.parseInt(request.getParameter("uid"));    TblUser tblUser=tblUserDao.getUserById(uid);    tblUserDao.delUser(tblUser);    Map<String, Object> map=new HashMap<String, Object>();    map.put("success", "success");    return map;  }  //修改用户  @RequestMapping("updateUser")  @ResponseBody  public Object updateUser(HttpServletRequest request){    int uid=Integer.parseInt(request.getParameter("uid"));    String uname=request.getParameter("uname");    String upass=request.getParameter("upass");    float money=Float.parseFloat(request.getParameter("money"));    TblUser tblUser=new TblUser();    tblUser.setMoney(money);    tblUser.setUid(uid);    tblUser.setUname(uname);    tblUser.setUpass(upass);    tblUserDao.updateUser(tblUser);    Map<String, Object> map=new HashMap<String, Object>();    map.put("success", "success");    return map;  }}