首页>代码>基于SpringBoot+thymeleaf实现的图书馆借阅管理系统>/book-system/src/main/java/com/xunmaw/book/controller/BookController.java
package com.xunmaw.book.controller; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.xunmaw.book.entity.BookInfo; import com.xunmaw.book.entity.ClassInfo; import com.xunmaw.book.entity.User; import com.xunmaw.book.service.BookInfoService; import com.xunmaw.book.service.ClassInfoService; import com.xunmaw.book.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import java.util.List; @Controller @RequestMapping("/book") public class BookController { @Autowired private BookInfoService bookInfoService; @Autowired private ClassInfoService classInfoService; @Autowired private UserService userService; //分页查询全部 @RequestMapping("/selectAll") public String selectAll(int id,int current,Model model){ User user = userService.getById(id); model.addAttribute("user", user); List<ClassInfo> classInfos = classInfoService.list(); model.addAttribute("classes",classInfos); Page<BookInfo> page = new Page<>(current,10); bookInfoService.page(page,null); model.addAttribute("page",page); //判断是从哪条链接进入的查询,因为分页参数传递不同 model.addAttribute("flag",0); if (user.getFlag()==0) return "html/admin/admin_books"; else return "html/reader/reader_books"; } //分页条件查询 @RequestMapping("/selectSome") public String selectSome(int id,int current,int classId,String name,Model model){ User user = userService.getById(id); model.addAttribute("user", user); //保持搜索栏状态正常 List<ClassInfo> classInfos = classInfoService.list(); model.addAttribute("classes",classInfos); //用于条件查询并在搜索后保持搜索栏数据不变 model.addAttribute("classId",classId); model.addAttribute("name",name); QueryWrapper<BookInfo> queryWrapper = new QueryWrapper<>(); if (classId!=22&&classId!=0) queryWrapper.eq("class_id",classId); if (!name.isEmpty()) queryWrapper.eq("name",name); Page<BookInfo> page = new Page<>(current,5); bookInfoService.page(page,queryWrapper); model.addAttribute("page",page); //同上 model.addAttribute("flag",1); if (user.getFlag()==0) return "html/admin/admin_books"; else return "html/reader/reader_books"; } //查看book详细信息 @RequestMapping("/selectOne") public String selectOne(int id,int bookId,Model model){ User user = userService.getById(id); model.addAttribute("user", user); BookInfo bookInfo = bookInfoService.getById(bookId); ClassInfo classInfo = classInfoService.getById(bookInfo.getClassId()); model.addAttribute("book",bookInfo); model.addAttribute("class",classInfo); return "html/reader/reader_book_detail"; } //跳转到添加图书页面 @RequestMapping("/toAddBook") public String toAddBook(int id,Model model){ User user = userService.getById(id); model.addAttribute("user", user); List<ClassInfo> classInfos = classInfoService.list(); model.addAttribute("classes",classInfos); return "html/admin/admin_book_add"; } //添加图书 @RequestMapping("/addBook") public String addBook(int id,BookInfo bookInfo,Model model){ model.addAttribute("id",id); bookInfoService.save(bookInfo); model.addAttribute("msg","提示:添加成功!"); return "forward:/book/toAddBook"; } //跳转到修改图书页面 @RequestMapping("/toUpdateBook") public String toUpdateBook(int id,int current,int bookId, Model model){ User user = userService.getById(id); model.addAttribute("user",user); model.addAttribute("current",current); List<ClassInfo> classes = classInfoService.list(); model.addAttribute("classes",classes); BookInfo book = bookInfoService.getById(bookId); model.addAttribute("book",book); return "html/admin/admin_book_edit"; } //修改图书 @RequestMapping("/updateBook") public String updateBook(int id,int current,BookInfo bookInfo, Model model){ model.addAttribute("id",id); model.addAttribute("current",current); bookInfoService.updateById(bookInfo); return "forward:/book/selectAll"; } //删除图书 @RequestMapping("/deleteBook") public String deleteBook(int id, int current,int bookId, Model model){ User user = userService.getById(id); model.addAttribute("user",user); model.addAttribute("current",current); bookInfoService.removeById(bookId); return "forward:/book/selectAll"; } }
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