java学习，Spring+SpringMVC+Mybatis构建的图书管理系统

package com.tong.controller; import com.tong.pojo.Book; import com.tong.service.ServiceBook; import org.springframework.beans.factory.annotation.Autowired; 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 org.springframework.web.bind.annotation.RequestMethod; import java.util.List; @Controller @RequestMapping("/book") public class BooksController { @Autowired private ServiceBook serviceBook; @RequestMapping("/list") public String list(Model model){ List<Book> books = serviceBook.select(); model.addAttribute("books",books); return "bookList"; } @RequestMapping("/list/{id}") public String book(Model model,@PathVariable("id") Integer id){ List<Book> books = serviceBook.selectById(id); model.addAttribute("books",books); return "bookList"; } @RequestMapping("/addBook") public String addPage(){ return "addPage"; } @RequestMapping(value = "/insert",method = RequestMethod.POST) public String insertBook(Model model,Book book){ int row = serviceBook.insert(book); System.out.println("添加成功"); return "redirect:/book/list"; } @RequestMapping("/delete/{bookId}") public String delete(@PathVariable("bookId")Integer bookId){ int row=serviceBook.delete(bookId); System.out.println("删除成功"); return "redirect:/book/list"; } @RequestMapping("/update/{bookId}") public String update(Model model,@PathVariable("bookId")Integer bookId){ List<Book> books= serviceBook.selectById(bookId); model.addAttribute("books",books); return "updatePage"; } @RequestMapping(value = "/updateSubmit",method = RequestMethod.POST) public String updateSubmit(Book book){ //System.out.println(book); int row=serviceBook.update(book); return "redirect:/book/list"; } }