超市订单管理系统，超市订单管理系统

package com.yc.controller; import java.util.Date; import java.util.List; import java.util.Map; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import com.github.pagehelper.PageInfo; import com.yc.po.Role; import com.yc.po.User; import com.yc.service.UserService; import com.yc.util.ResultData; @RequestMapping("user") @Controller public class UserController { //业务对象 @Autowired private UserService userService; //session域对象 @Autowired private HttpSession session; /** * 用户登录 * @param userCode * @param password * @return */ @RequestMapping("gologin") @ResponseBody public String gologin(String userCode,String password){ ResultData rd = userService.goLogin(userCode, password); if(rd.getData() != null){ //把用户信息存到session域,保存用户的在线状态 session.setAttribute("user",rd.getData()); } //返回json数据到客户端 System.out.println(JSONObject.toJSONString(rd)); return JSONObject.toJSONString(rd); } /** * 退出系统功能 * @return */ @GetMapping("logout") public String logout(HttpServletResponse response){ //删除session域里面用户信息 session.removeAttribute("user"); //删除cookie Cookie cookie = new Cookie("usercode","-1"); cookie.setMaxAge(0); cookie.setPath("/"); response.addCookie(cookie); return "redirect:/login.html"; } /** * 旧密码验证 * @param pwd * @param id * @return */ @PostMapping("isPwd") @ResponseBody public String isPwd(String pwd,Long id){ ResultData rd = userService.isPwd(pwd, id); return JSONObject.toJSONString(rd); } /** * 密码修改 * @param userpassword * @param id * @return */ @PostMapping("pwdupdate") @ResponseBody public String pwdupdate(String userpassword,Long id){ int pwdset = userService.pwdupdate(userpassword, id); return JSONObject.toJSONString(pwdset); } /** * 分页展示用户信息 * @param username * @param rolename * @param n * @param pageSize * @param map * @return */ @GetMapping("userlist") public String getUserList( @RequestParam(value="username",defaultValue="")String username, @RequestParam(value="rolename",defaultValue="")String rolename, @RequestParam(value="n",defaultValue="1")Integer n, @RequestParam(value="pageSize",defaultValue="5")Integer pageSize, Map<String,Object> map){ //获取用户列表信息 PageInfo pageInfo = userService.getUserListPage(username,rolename,n, pageSize); //获取角色名称列表信息 List<String> roleNames = userService.getRoleNames(); map.put("pageInfo", pageInfo); map.put("roleNames",roleNames); map.put("username",username); map.put("rolename",rolename); return "userlist"; } @ModelAttribute public void modelAttributeMethod(Long id,String flag,Map<String,Object> map){ if("update".equals(flag)){ User user = new User(); user = userService.getUserById(id); List<Role> rnids = userService.getRoleNameAndIds(); map.put("user",user); map.put("rnids",rnids); } } /** * 跳转到用户更新页面 * @return */ @GetMapping("usermodify") public String usermodify(){ return "usermodify"; } /** * 跳转到用户查看页面 * @return */ @GetMapping("userview") public String userview(){ return "userview"; } /** * 跳转到用户增加页面 * @return */ @GetMapping("useradd") public String useradd( @RequestParam(value="rolename",defaultValue="")String rolename, Map<String,Object> map){ //获取角色名称列表信息 List<Role> roles = userService.getRoleNameAndIds(); map.put("roles",roles); return "useradd"; } /** * 查看用户信息 * @return */ @RequestMapping("userselect") @ResponseBody public String userselect(Long id){ User user = userService.getUserById(id); return JSON.toJSONString(user); } /** * 用户删除操作 * @return */ @RequestMapping("userdel") public String userdel(@RequestParam("id") Long id){ userService.userDelect(id); return "redirect:userlist"; } /** * 更新用户信息 * @return */ @PostMapping("update") public String userupdate(User user,Map<String,Object> map){ //修改时间 user.setModifydate(new Date()); //修改人 User onlineUser = (User)session.getAttribute("user"); if(onlineUser != null){ user.setModifyby(onlineUser.getId()); } userService.userUpdate(user); List<Role> rnids = userService.getRoleNameAndIds(); map.put("rnids",rnids); return "usermodify"; } /** * 增加用户信息 * @return */ @PostMapping("add") public String useradd(User user,Map<String,Object> map){ user.setCreationdate(new Date()); //修改人 User onlineUser = (User)session.getAttribute("user"); if(onlineUser != null){ user.setCreatedby(onlineUser.getId()); } userService.userAdd(user); return "redirect:userlist"; } }