基于SSM框架的图书管理系统（毕业设计）

package eco.hand.com.controller; import java.util.List; import javax.servlet.http.HttpSession; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; 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 eco.hand.com.entity.BookBorrow; import eco.hand.com.entity.ResponseResult; import eco.hand.com.entity.User; import eco.hand.com.service.IBookBorrowService; import eco.hand.com.service.IUserService; @Controller @RequestMapping("/user") public class UserController extends BaseController { @Autowired private IUserService userService; @Autowired private IBookBorrowService bookBorrowService; @RequestMapping(value = "/login.do", method = RequestMethod.POST) @ResponseBody public ResponseResult<Void> handleLogin( @RequestParam("id") Integer userId, @RequestParam("passwd") String password, HttpSession session) { System.out.println("userId "+userId+" password "+password); User user = userService.login(userId, password); session.setAttribute("user", user); session.setMaxInactiveInterval(20*60); return new ResponseResult<Void>(); } @RequestMapping(value = "/edit.do", method = RequestMethod.POST) @ResponseBody public ResponseResult<Void> update( @RequestParam("userId") Integer userId, @RequestParam("userName") String userName, @RequestParam("userSex") String userSex, @RequestParam("userAge") Integer userAge, @RequestParam("userAddress") String userAddress, @RequestParam("userPhone") String userPhone, HttpSession session) { User user=new User(userId, null, userName, userSex, userAge, userAddress, userPhone); System.out.println(user); ResponseResult<Void> rr=new ResponseResult<Void>(); Integer rows=userService.update(user); if(rows>0) { rr.setState(200); getAllUser(session); }else { rr.setState(404); } System.out.println(rows); return rr; } @RequestMapping(value = "/updatePassword.do", method = RequestMethod.POST) @ResponseBody public ResponseResult<Void> updatePassword( @RequestParam("password") String userPassword, @RequestParam("oldpassword") String oldpassword, HttpSession session) { User user=(User)session.getAttribute("user"); Integer userId=user.getUserId(); String password=user.getUserPassword(); System.out.println(userPassword); if(!oldpassword.equals(password)) { System.out.println("旧密码输入错误"); ResponseResult<Void> rr=new ResponseResult<Void>(); rr.setState(404); return rr; }else { userService.updatePassword(userId, userPassword); user.setUserPassword(userPassword); session.setAttribute("user", user); session.setMaxInactiveInterval(20*60); return new ResponseResult<Void>(); } } @RequestMapping(value = "/getAllUser.do", method = RequestMethod.GET) @ResponseBody public ResponseResult<Void> getAllUser(HttpSession session) { List<User> list=userService.getAllUser(); ResponseResult<Void> rr=new ResponseResult<Void>(); if(list.size()>0){ rr.setState(200); session.setAttribute("AllUser", list); }else { rr.setState(404); } return rr; } @RequestMapping(value = "/getUserById.do", method = RequestMethod.POST) @ResponseBody public ResponseResult<User> getUserById( @RequestParam("userId") Integer userId, HttpSession session) { User user=userService.getUserById(userId); System.out.println(user); ResponseResult<User> rr=new ResponseResult<User>(); if(user!=null) { rr.setState(200); rr.setData(user); session.setAttribute("user", user); session.setMaxInactiveInterval(20*60); }else { rr.setState(404); } return rr; } @RequestMapping(value = "/addUser.do", method = RequestMethod.POST) @ResponseBody public ResponseResult<User> AddUser( @RequestParam("userName") String userName, @RequestParam("userSex") String userSex, @RequestParam("userAge") Integer userAge, @RequestParam("userAddress") String userAddress, @RequestParam("userPhone") String userPhone, HttpSession session) { String userPassword="666666"; User user=new User(null, userPassword, userName, userSex, userAge, userAddress, userPhone); Integer rows=userService.insert(user); ResponseResult<User> rr=new ResponseResult<User>(); if(rows>0) { rr.setState(200); rr.setData(user); getAllUser(session); }else { rr.setState(404); } return rr; } @RequestMapping(value = "/deleteById.do", method = RequestMethod.POST) @ResponseBody public ResponseResult<Void> deleteById( @RequestParam("userId") Integer userId, HttpSession session) { BookBorrow bookBorrow=new BookBorrow(null, userId, null, null, null, null); List<BookBorrow> list=bookBorrowService.getBookBorrow(bookBorrow); ResponseResult<Void> rr=new ResponseResult<Void>(); /*判断是否能删除的开关 */ boolean check=true; if(list.size()>0) { /*默认是可以删除 不能删除的情况为 该用户存在没有还书的借阅记录 */ for(BookBorrow b:list) { if(b.getIsReturn()==0) { check=false; } } } if(check) { Integer rows=userService.delete(userId); if(rows>0) { rr.setState(200); getAllUser(session); }else { /*执行删除 但是出错 */ rr.setState(405); } }else { /*该用户不能删除 存在还有没还书的借阅记录 */ rr.setState(404); } return rr; } }