src/main/java/controller/AdminController.java

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package controller;


import model.*;
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;
import service.*;
import util.ExportExcel;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.List;


@Controller
@RequestMapping("/admin")
public class AdminController {
    @Autowired
    private UserService userService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private OrderItemService orderItemService;
    @Autowired
    private OrderService orderService;
    @Autowired
    private ProductService productService;

    private static Logger logger = Logger.getLogger(AdminController.class);
    private ModelAndView mav = new ModelAndView();


    private ModelAndView listProduct(Integer cid) {
        List<Product> products = productService.listProducts(cid);
        mav.addObject("ps",products);
        mav.addObject("c",categoryService.getCategory(cid));
        mav.setViewName("/admin/listProduct");
        return mav;
    }

    //查询所有房间分类
    @RequestMapping(value = "/admin_category_list",produces = "text/html;charset=UTF-8")
    @ResponseBody
    public ModelAndView listCategory(){
        List<Category> categories = categoryService.listAll();
        mav.addObject("thecs", categories);
        mav.setViewName("admin/listCategory");
        return mav;
    }