SSM框架整合案例【可直接在此基础上开发】

package com.nzs.controller; import com.nzs.pojo.Books; import com.nzs.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.PostMapping; import org.springframework.web.bind.annotation.RequestMapping; import java.util.List; /** * @author 战胜 * @date 2022/3/14 - 19:03 */ @Controller @RequestMapping("/book") public class BookController { @Autowired @Qualifier("bookServiceImpl") private BookService bookService; //1.查询所有书籍 @RequestMapping("/allBook") public String getAllBook(Model model){ List<Books> bookList = bookService.queryAllBook(); model.addAttribute("bookList",bookList); return "allBook"; } //2.添加书籍 //2.1 跳转到添加书籍界面 @RequestMapping("/toAddBook") public String toAddBook(Model model){ return "addBook"; } //2.2添加书籍 @PostMapping("/addBook") public String addBook(Books books){ System.out.println("添加书籍：" + books); bookService.addBook(books); return "redirect:/book/allBook"; } //3.修改书籍 //3.1 跳转到修改书籍界面 @RequestMapping("/toUpdateBook") public String toUpdateBook(int id,Model model){ System.out.println("修改的ID："+id); Books book = bookService.queryBookById(id); model.addAttribute("book",book); return "updateBook"; } //3.2修改书籍 @PostMapping("/updateBook") public String updateBook(Books books){ System.out.println("修改书籍：" + books); bookService.updateBook(books); return "redirect:/book/allBook"; } //4.删除 @RequestMapping("/deleteBook/{id}") public String updateBook(@PathVariable("id") int t_id){ System.out.println("删除书籍id ：" + t_id); bookService.deleteBookById(t_id); return "redirect:/book/allBook"; } //5.搜索一本书 @PostMapping("/queryBook") public String queryBookByName(String queryBookName,Model model){ System.out.println("搜索书籍名字 ： "+queryBookName); if(queryBookName=="") return "redirect:/book/allBook"; List<Books> books = bookService.queryBookByName(queryBookName); model.addAttribute("bookList",books); return "allBook"; } }