Java图书管理简易Demo

package com.hu.controller; import com.hu.pojo.Books; import com.hu.service.BookService; 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.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import java.util.ArrayList; import java.util.List; @Controller @RequestMapping("/book") public class BookController { @Autowired @Qualifier("BookServiceImpl") private BookService bookService; @RequestMapping("/allbook") public String list(Model model){ List list=bookService.queryallBook(); model.addAttribute("list",list); return "allBook"; } @RequestMapping("/del/{bookId}") public String deleteBook(@PathVariable("bookId") int id) { bookService.deleteBookById(id); return "redirect:/book/allbook"; } @RequestMapping("/toaddBook") public String list(){ return "addBook"; } @RequestMapping("/addBook") public String addPaper(Books books) { System.out.println(books); bookService.add(books); return "redirect:/book/allbook"; } @RequestMapping("/toUpdateBook") public String UpdateBook(Model model,Integer id){ Books books = bookService.queryBooksById(id); System.out.println(books); model.addAttribute("book",books ); return "updatebook"; } @RequestMapping("/UpdateBook") public String updatePaper(Books books) { // System.out.println(books); bookService.updateBooks(books); Books books1=bookService.queryBooksById(books.getBookID()); return "redirect:/book/allbook"; } // 查询 @RequestMapping("/QueryBookByName") public String querybookByName(String QueryBookName,Model model){ Books books = bookService.QueryBookByName(QueryBookName); List<Books> list=new ArrayList<Books>(); list.add(books); model.addAttribute("list",list); return "allBook"; } // 查询 @RequestMapping("/QueryBookById") public String querybookById(int QueryBookId,Model model){ Books books = bookService.queryBooksById(QueryBookId); List<Books> list=new ArrayList<Books>(); list.add(books); model.addAttribute("list",list); return "allBook"; } }