ssm 项目试手留言板

package com.pro.contorller; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.apache.log4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.servlet.ModelAndView; import com.pro.pojo.Info; import com.pro.pojo.NowTime; import com.pro.pojo.User; import com.pro.service.info.InfoService; import com.pro.service.user.UserService; @Controller public class LybController { private Logger loger = Logger.getLogger(LybController.class); @Resource InfoService is; @Resource UserService us; @RequestMapping("regist.html") public String regist(){ return "regist"; } @RequestMapping("login.html") public String login(){ return "login"; } //注册 @RequestMapping("regist.do") public @ResponseBody Map<Object, Object> registUser(User user){ Map<Object, Object> map=new HashMap<Object, Object>(); boolean message=true; int id = 0; if(us.findUserByName(user.getName())==null){ us.insertUser(user); id=us.findUserByName(user.getName()).getId();} else message=false; map.put("user", user); map.put("message", message); map.put("id",id); return map; } //跳转到留言界面 @RequestMapping("insertLyb.do") public ModelAndView insertLyb(HttpServletRequest request){ String id=request.getParameter("id"); ModelAndView mav=new ModelAndView("insertLyb"); mav.addObject("id", id); return mav; } //写入留言 @RequestMapping("insertLyb1.do") public @ResponseBody Info insertLyb1(Info info){ String nowTime=NowTime.getNowTime();//获取当前系统时间 info.setwTime(nowTime); int s=is.insertInfo(info); if(s>0){ return info; } return null; } //验证登录 @RequestMapping("login.do") public @ResponseBody Map loginUser(User user){ boolean message=false; Map<Object, Object> map=new HashMap<Object, Object>(); User usera=us.findUser(user); if(usera!=null){ message=true; map.put("user",usera); } map.put("message", message); return map; } //列出留言条目 @RequestMapping("main.do") public ModelAndView successInfo(HttpServletRequest request){ String id=""; String userName="未登录"; if(request.getParameter("id")!=null){ id=request.getParameter("id"); userName=us.getUserByID(Integer.valueOf(id)).getName(); } List<Info> list=is.getInfoList(); List<String> list2=new ArrayList<String>(); String name = null; //User user; int num=0; User user; for(int i=0;i<list.size();i++){ num=list.get(i).getId(); user=us.getUserByID(num); // if(user!=null&&!user.equals("")) name=user.getName(); list2.add(name); } ModelAndView mav=new ModelAndView("main"); mav.addObject("list",list); mav.addObject("list2",list2); mav.addObject("UC",id); mav.addObject("userName", userName); return mav; } @RequestMapping("userly.do") public ModelAndView test(int id){ User user =us.getUserByID(id); List<Info> list=new ArrayList<Info>(); list=is.getLyByID(id); Info info=new Info(); ModelAndView mav=new ModelAndView("userly"); mav.addObject("user",user); if(list.isEmpty()) list.add(info); mav.addObject("list",list); return mav; } }