springboot框架整合SSM案例-图书管理系统 源码分享

package com.haojin.springboot.springbootssmp.controller; import com.baomidou.mybatisplus.core.metadata.IPage; import com.haojin.springboot.springbootssmp.domain.Book; import com.haojin.springboot.springbootssmp.service.IBookService; import com.haojin.springboot.springbootssmp.utils.Result; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; /** * @author .29. * @create 2023-03-28 21:00 */ @RestController @RequestMapping(value = "/books") public class BookController { @Autowired private IBookService bookService; //Get方式，表示查询 @GetMapping public Result getAll(){ return new Result(true, bookService.list()); } //Post方式，表示新增 @PostMapping public Result save(@RequestBody Book book){ boolean flag = bookService.save(book); return new Result(flag,flag?"添加成功":"添加失败"); } //Put方式，表示修改 @PutMapping public Result update(@RequestBody Book book){ return new Result(bookService.updateById(book)); } //Delete方式，表示删除 @DeleteMapping("/{id}") public Result delete(@PathVariable Integer id){ return new Result(bookService.removeById(id)); } //Get方式，"/{}"表示传入的参数,根据参数查询 @GetMapping("/{id}") public Result getById(@PathVariable Integer id){ return new Result(true,bookService.getById(id)) ; } //分页 // @GetMapping("/{currPage}/{pageSize}") // public Result getPage(@PathVariable int currPage,@PathVariable int pageSize){ // IPage<Book> page = bookService.getPage(currPage, pageSize); // //如果当前页码值大于总页码值，重写执行查询操作，使用最大页码值作为当前页码值 // if(currPage > page.getPages()){ // page = bookService.getPage((int)page.getPages(), pageSize); // } // return new Result(true,page); // } //按条件查询，分页 @GetMapping("/{currPage}/{pageSize}") public Result getPage(@PathVariable int currPage,@PathVariable int pageSize,Book book){ IPage<Book> page = bookService.getPage(currPage, pageSize,book); //如果当前页码值大于总页码值，重写执行查询操作，使用最大页码值作为当前页码值 if(currPage > page.getPages()){ page = bookService.getPage((int)page.getPages(), pageSize,book); } return new Result(true,page); } }