基于SSM框架的云借阅图书管理系统（源码+数据库）

package com.itheima.controller; import com.itheima.pojo.Book; import com.itheima.pojo.User; import com.itheima.service.BookService; import entity.PageResult; import entity.Result; 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.ResponseBody; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; /* 图书信息Controller */ @Controller @RequestMapping("/book") public class BookController { //注入BookService对象 @Autowired private BookService bookService; /** * 查询最新上架的图书 */ @RequestMapping("/selectNewbooks") public ModelAndView selectNewbooks() { //查询最新上架的5个的图书信息 int pageNum = 1; int pageSize = 5; PageResult pageResult = bookService.selectNewBooks(pageNum, pageSize); ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("books_new"); modelAndView.addObject("pageResult", pageResult); return modelAndView; } /** * 根据图书id查询图书信息 * @param id 查询的图书id */ @ResponseBody @RequestMapping("/findById") public Result<Book> findById(String id) { try { Book book=bookService.findById(id); if(book==null){ return new Result(false,"查询图书失败！"); } return new Result(true,"查询图书成功",book); }catch (Exception e){ e.printStackTrace(); return new Result(false,"查询图书失败！"); } } /** * 借阅图书 * @param book 借阅的图书 * @return */ @ResponseBody @RequestMapping("/borrowBook") public Result borrowBook(Book book, HttpSession session) { //获取当前登录的用户姓名 String pname = ((User) session.getAttribute("USER_SESSION")).getName(); book.setBorrower(pname); try { //根据图书的id和用户进行图书借阅 Integer count = bookService.borrowBook(book); if (count != 1) { return new Result(false, "借阅图书失败!"); } return new Result(true, "借阅成功，请到行政中心取书!"); } catch (Exception e) { e.printStackTrace(); return new Result(false, "借阅图书失败!"); } } /** * 分页查询符合条件且未下架图书信息 * @param book 查询的条件封装到book中 * @param pageNum 数据列表的当前页码 * @param pageSize 数据列表1页展示多少条数据 */ @RequestMapping("/search") public ModelAndView search(Book book, Integer pageNum, Integer pageSize, HttpServletRequest request) { if (pageNum == null) { pageNum = 1; } if (pageSize == null) { pageSize = 10; } //查询到的图书信息 PageResult pageResult = bookService.search(book, pageNum, pageSize); ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("books"); //将查询到的数据存放在 ModelAndView的对象中 modelAndView.addObject("pageResult", pageResult); //将查询的参数返回到页面，用于回显到查询的输入框中 modelAndView.addObject("search", book); //将当前页码返回到页面，用于分页插件的分页显示 modelAndView.addObject("pageNum", pageNum); //将当前查询的控制器路径返回到页面，页码变化时继续向该路径发送请求 modelAndView.addObject("gourl", request.getRequestURI()); return modelAndView; } /** * 新增图书 * @param book 页面表单提交的图书信息 * 将新增的结果和向页面传递信息封装到Result对象中返回 */ @ResponseBody @RequestMapping("/addBook") public Result addBook(Book book) { try { Integer count=bookService.addBook(book); if(count!=1){ return new Result(false, "新增图书失败!"); } return new Result(true, "新增图书成功!"); }catch (Exception e){ e.printStackTrace(); return new Result(false, "新增图书失败!"); } } /** * 编辑图书信息 * @param book 编辑的图书信息 */ @ResponseBody @RequestMapping("/editBook") public Result editBook(Book book) { try { Integer count= bookService.editBook(book); if(count!=1){ return new Result(false, "编辑失败!"); } return new Result(true, "编辑成功!"); }catch (Exception e){ e.printStackTrace(); return new Result(false, "编辑失败!"); } } /** *分页查询当前被借阅且未归还的图书信息 * @param pageNum 数据列表的当前页码 * @param pageSize 数据列表1页展示多少条数据 */ @RequestMapping("/searchBorrowed") public ModelAndView searchBorrowed(Book book,Integer pageNum, Integer pageSize, HttpServletRequest request) { if (pageNum == null) { pageNum = 1; } if (pageSize == null) { pageSize = 10; } //获取当前登录的用户 User user = (User) request.getSession().getAttribute("USER_SESSION"); PageResult pageResult = bookService.searchBorrowed(book,user, pageNum, pageSize); ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("book_borrowed"); //将查询到的数据存放在 ModelAndView的对象中 modelAndView.addObject("pageResult", pageResult); //将查询的参数返回到页面，用于回显到查询的输入框中 modelAndView.addObject("search", book); //将当前页码返回到页面，用于分页插件的分页显示 modelAndView.addObject("pageNum", pageNum); //将当前查询的控制器路径返回到页面，页码变化时继续向该路径发送请求 modelAndView.addObject("gourl", request.getRequestURI()); return modelAndView; } /** * 归还图书 * @param id 归还的图书的id */ @ResponseBody @RequestMapping("/returnBook") public Result returnBook(String id, HttpSession session) { //获取当前登录的用户信息 User user = (User) session.getAttribute("USER_SESSION"); try { boolean flag = bookService.returnBook(id, user); if (!flag) { return new Result(false, "还书失败!"); } return new Result(true, "还书确认中，请先到行政中心还书!"); }catch (Exception e){ e.printStackTrace(); return new Result(false, "还书失败!"); } } /** * 确认图书归还 * @param id 确认归还的图书的id */ @ResponseBody @RequestMapping("/returnConfirm") public Result returnConfirm(String id) { try { Integer count=bookService.returnConfirm(id); if(count!=1){ return new Result(false, "确认失败!"); } return new Result(true, "确认成功!"); }catch (Exception e){ e.printStackTrace(); return new Result(false, "确认失败!"); } } }