基于SSM和Bootstrap的用户管理系统

package com.star.controller; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.validation.Errors; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.SessionAttributes; import org.springframework.web.context.request.RequestScope; import org.springframework.web.servlet.ModelAndView; import com.star.model.User; import com.star.service.UserService; import com.star.validator.UserValidator; @Controller @RequestMapping(value = "/user") @SessionAttributes("UserSession") public class UserController { @Autowired private HttpServletRequest request; @Autowired private UserService userService; private List<User> list = null; /** * 请求登录 */ @RequestMapping(value = "/login", method = RequestMethod.POST) public ModelAndView doLogin(@RequestParam("name") String name, @RequestParam("password") String password, Model model) { User user = new User(); user.setName(name); user.setPassword(password); ModelAndView mv = new ModelAndView(); User u = userService.selectUserByNamePass(user); if (!u.equals(null)) { model.addAttribute("UserSession", u); HttpSession session = request.getSession(); session.setAttribute("currNum", 1); mv.setViewName("frame"); } else { mv.addObject("error", "用户名和密码有误，请检查！"); mv.setViewName("error");// 如果登录用户名和密码存在问题，则跳转到错误页面 } return mv; } public List<User> selectAllUser() { list = userService.selectAllUser(); return list; } /** * 请求查询所有用户数据 * @param list * @return */ @RequestMapping(value ="/main") public ModelAndView main(int pageNum) { ModelAndView mv = new ModelAndView(); HttpSession session = request.getSession(); if(session.getAttribute("UserSession")==null) { mv.setViewName("error"); mv.addObject("error", "用户没有登录，请登录！"); } else { mv.setViewName("main"); selectAllUser(); int count = list.size(); System.out.println(count+"总数==========="); int pageSize = 5; double aa =(double)count; double bb = (double)pageSize; double c = aa/bb; System.out.println(c+"c==========="); int sumPageNum = (int) Math.ceil(c);//总页数 System.out.println(sumPageNum+"总页数==========="); session.setAttribute("lastNum", sumPageNum); List<User> l = new ArrayList<User>(); int x = pageNum; if(pageNum<sumPageNum) { int a =(x-1)*pageSize; int b = pageNum*pageSize-1; for(int i=a;i<b;i++) { l.add(list.get(i)); } } if(pageNum==sumPageNum){ for(int i=(x-1)*pageSize;i<count;i++) { l.add(list.get(i)); } } mv.addObject("userList", l); } return mv; } /** * 通过id查询一条用户数据 * * @param id * @param user * @return */ @RequestMapping(value = "/goSelectById") public String goSelectById(int id, User user) { user = userService.selectUserById(id); if (user != null) return "main"; else return "error"; } /** * 跳转到添加用户界面接口 * * @return */ @RequestMapping(value = "/insertUser") public String addUser() { return "insert"; } /** * 添加一条用户数据 * * @param user * @return */ @RequestMapping(value = "/insert", method = RequestMethod.POST) public String doInsert(@RequestParam("name") String name, @RequestParam("password") String password, @RequestParam("birth") String birth, @RequestParam("phone") String phone, @RequestParam("department") String department) { User user = new User(); user.setName(name); user.setPassword(password); user.setBirth(birth); user.setPhone(phone); user.setDepartment(department); if (userService.insertUser(user) > 0) return "redirect:main"; else return "error"; } @RequestMapping(value = "/modify") public ModelAndView modify(int id) { ModelAndView mv = new ModelAndView(); mv.setViewName("update"); User user = userService.selectUserById(id); mv.addObject("user", user); return mv; } /** * 更新用户信息 * * @param user * @return */ @RequestMapping(value = "/update") public String doUpdate(@RequestParam("id") String id, @RequestParam("name") String name, @RequestParam("password") String password, @RequestParam("birth") String birth, @RequestParam("phone") String phone, @RequestParam("department") String department) { int ID = Integer.valueOf(id); User user = new User(); user.setId(ID); user.setName(name); user.setBirth(birth); user.setPassword(password); user.setPhone(phone); user.setDepartment(department); if (userService.updateUser(user) > 0) return "redirect:main"; else return "error"; } /** * 删除一条用户信息 * * @param id * @return */ @RequestMapping(value = "/delete") public String doDelete(int id) { if (userService.deleteUser(id) > 0) return "redirect:main"; else return "error"; } /** * 请求解析和返回json数据 */ @RequestMapping(value = "/json") @ResponseBody public ModelAndView doJson() { ModelAndView mv = new ModelAndView(); List<User> list = new ArrayList<User>(); list = userService.selectAllUser(); mv.addObject("list", list); mv.setViewName("json"); return mv; } @RequestMapping(value = "/search") public String search() { return "search"; } @RequestMapping(value = "/login") public String login() { return "login"; } @RequestMapping(value = "/getuser", method = RequestMethod.POST) public ModelAndView getuser(@RequestParam("name") String name) { ModelAndView mv = new ModelAndView(); List<User> userList = userService.selectUserByName(name); mv.setViewName("search"); mv.addObject("userList", userList); return mv; } @RequestMapping(value = "/info", method = RequestMethod.GET) public ModelAndView info() { ModelAndView mv = new ModelAndView(); User user = (User) request.getSession().getAttribute("UserSession"); if (!user.equals(null)) { mv.addObject("user", user); mv.setViewName("info"); } else { mv.setViewName("error"); mv.addObject("error", "session为空请登录！"); } return mv; } }