基于Spring实现的简单的图书管理系统源码

package com.example.springbook.controller; import com.example.springbook.constants.Constants; import com.example.springbook.model.*; import com.example.springbook.service.BookService; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.util.StringUtils; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; import javax.servlet.http.HttpSession; import java.awt.print.Book; import java.util.List; @RestController @Slf4j @RequestMapping("/book") public class BookController { @Autowired private BookService bookService; /** * 添加书籍 * * @param bookInfo * @return */ @RequestMapping(value = "/addBook", produces = "application/json") public String addBook(BookInfo bookInfo) { log.info("接收到添加图书请求, bookInfo:{}", bookInfo); //参数校验 if (!StringUtils.hasLength(bookInfo.getBookName()) || !StringUtils.hasLength(bookInfo.getAuthor()) || bookInfo.getCount() < 0 || bookInfo.getPrice() == null || !StringUtils.hasLength(bookInfo.getPublish())) { return "参数校验失败, 请检查入参"; } Integer result = bookService.addBook(bookInfo); if (result <= 0) { log.error("添加图书出错:bookInfo:{}", bookInfo); return "添加图书出错, 请联系管理人"; } return ""; } /** * 通过页数获取数据 * * @param pageRequest * @param session * @return */ @RequestMapping("/getBookListByPage") public Result getBookListByPage(PageRequest pageRequest, HttpSession session) { // log.info("获取图书列表, pageRequest:{}", pageRequest); // //校验成功 // if (pageRequest.getPageSize() < 0 || pageRequest.getCurrentPage() < 1) { // return Result.fail("参数校验失败"); // } // PageResult<BookInfo> bookInfoPageResult = null; // try { // bookInfoPageResult = bookService.getBookListByPage(pageRequest); // return Result.success(bookInfoPageResult); // } catch (Exception e) { // log.error("查询翻页信息错误,e:{}", e); // return Result.fail(e.getMessage()); // } log.info("获取图书列表,pageRequest:{}", pageRequest); //判断用户是否成功登陆 if (session.getAttribute("session_user_key") == null) { return Result.unlogin(); } UserInfo userInfo = (UserInfo) session.getAttribute(Constants.SESSION_USER_KEY); if (userInfo == null || userInfo.getId() < 0 || "".equals(userInfo.getUserName())) { return Result.unlogin(); } //用户登录后返回图书列表 PageResult<BookInfo> pageResult = bookService.getBookListByPage(pageRequest); return Result.success(pageResult); } /** * 通过ID查询书籍 * * @param bookId * @return */ @RequestMapping("/queryBookInfoById") public BookInfo queryBookInfoById(Integer bookId){ // long start = System.currentTimeMillis(); log.info("根据ID查询图书, bookId:"+bookId); BookInfo bookInfo = null; try { bookInfo = bookService.queryBookById(bookId); }catch (Exception e){ log.error("查询图书失败, e:{}",e); } // long end = System.currentTimeMillis(); // log.info("queryBookInfoById 执行耗时: "+ (end-start) + "ms"); return bookInfo; } /** * 修改书籍信息 * @param bookInfo * @return */ @RequestMapping(value = "/updateBook", produces = "application/json") public String updateBook(BookInfo bookInfo) { log.info("修改图书:{}", bookInfo); try { bookService.updateBook(bookInfo); return ""; } catch (Exception e) { log.error("修改图书失败", e); return e.getMessage(); } } /** * 批量删除图书 * @param ids * @return */ @RequestMapping(value = "/batchDelete", produces = "application/json") public String batchDelete(@RequestParam List<Integer> ids){ log.info("接收请求, 批量删除图书, 图书ID:{}",ids); Integer result = bookService.batchDeleteBook(ids); if (result<=0){ log.error("批量删除失败, ids:{}",ids); return "批量删除失败, 请联系管理员"; } return ""; } }