ADD file via upload

MenusController.java

@@ -0,0 +1,137 @@
+package com.example.meal_ordering_system.controller;
+
+import com.example.meal_ordering_system.entity.Menus;
+import com.example.meal_ordering_system.entity.Notice;
+import com.example.meal_ordering_system.entity.Types;
+import com.example.meal_ordering_system.service.MenusService;
+import com.example.meal_ordering_system.service.NoticeService;
+import com.example.meal_ordering_system.service.TypesService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.http.HttpRequest;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.annotation.Resource;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.util.List;
+
+
+/**
+ * (Menus)表控制层
+ *
+ * @author makejava
+ * @since 2021-02-04 12:51:20
+ */
+@Controller
+@RequestMapping("menus")
+public class MenusController {
+    /**
+     * 服务对象
+     */
+    @Autowired
+    @Qualifier("menusService")
+    private MenusService menusService;
+    @Autowired
+    @Qualifier("typesService")
+    private TypesService typesService;
+
+    @Autowired
+    @Qualifier("noticeService")
+    private NoticeService noticeService;
+    //跳转至新增页面
+    @RequestMapping("/toAddPage")
+    public ModelAndView toAddPage(){
+        ModelAndView modelAndView = new ModelAndView("/admin/menus_add");
+        List<Types> typesList=typesService.queryAll();
+        modelAndView.addObject("typesList",typesList);
+        return modelAndView;
+    }
+//  跳转至修改页面
+    @RequestMapping("/toUpdatePage")
+    public String toUpdatePage(Integer id,Model model){
+        Menus menus = menusService.queryById(id);
+        model.addAttribute("menu",menus);
+        List<Types> typesList=typesService.queryAll();
+        model.addAttribute("typesList",typesList);
+        return "/admin/menus_update";
+    }
+
+    //    查询全部菜单,前台用
+    @RequestMapping("/qiantai/allMenus")
+    public String  menusList(Model model ){
+        List<Menus> list = menusService.queryAll();
+        model.addAttribute("menusList",list);
+        List<Types> typesList=typesService.queryAll();
+        model.addAttribute("typesList",typesList);
+        List<Notice> notices=noticeService.queryAll();
+        model.addAttribute("notices",notices);
+        return "/qiantai/index";
+    }
+//    查询全部菜单,并且返回到菜单信息页面
+    @RequestMapping("/allMenus")
+    public String  list(Model model ){
+        List<Menus> list = menusService.queryAllByLimit(1, 10);
+        model.addAttribute("list",list);
+        List<Types> typesList=typesService.queryAll();
+        model.addAttribute("typesList",typesList);
+        return "/admin/menus";
+    }
+// 插入一个菜单信息到数据库
+    @RequestMapping("/insert")
+    public String  insert(Menus menus, @RequestPart("img")MultipartFile multipartFile, HttpSession session) throws IOException {
+        String realPath = session.getServletContext().getRealPath("");
+        if (!multipartFile.isEmpty()) {
+            String originalFilename = multipartFile.getOriginalFilename();
+            System.out.println("==================================================");
+            System.out.println(realPath);
+            multipartFile.transferTo(new File(realPath + "public\\img\\" + originalFilename));
+            menus.setImgpath("img//" + originalFilename);
+        }
+        menus.setSums(0);
+        menus.setSums1(0);
+        menusService.insert(menus);
+        return "/admin/menus_add";
+    }
+    //菜单信息修改
+    @RequestMapping("/update")
+    public void update(Menus menus,HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException {
+        menusService.update(menus);
+        request.getRequestDispatcher("../menus/allMenus").forward(request,response);
+
+    }
+
+    //菜单信息删除
+    @RequestMapping("/delete")
+    public void delete(Integer id,HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException {
+       menusService.deleteById(id);
+        request.getRequestDispatcher("../menus/allMenus").forward(request,response);
+    }
+
+
+
+    /**
+     * 通过主键查询单条数据
+     *
+     * @param id 主键
+     * @return 单条数据
+     */
+
+    @GetMapping("selectOne")
+    public Menus selectOne(Object id) {
+        return this.menusService.queryById(id);
+    }
+
+}