从v_这个怎么读V

package com.imooc.o2o.web.shopadmin;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.imooc.o2o.dto.ShopExecution;
import com.imooc.o2o.entity.Area;
import com.imooc.o2o.entity.PersonInfo;
import com.imooc.o2o.entity.Shop;
import com.imooc.o2o.entity.ShopCategory;
import com.imooc.o2o.enums.ShopStateEnum;
import com.imooc.o2o.exceptions.ShopOperationException;
import com.imooc.o2o.service.AreaService;
import com.imooc.o2o.service.ShopCategoryService;
import com.imooc.o2o.service.ShopService;
import com.imooc.o2o.util.CodeUtil;
import com.imooc.o2o.util.HttpServletRequestUtil;
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.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;

import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
@RequestMapping("/shopadmin")
public class ShopManagementController {

    @Autowired
    private ShopService shopService;
    @Autowired
    private ShopCategoryService shopCategoryService;
    @Autowired
    private AreaService areaService;


    @RequestMapping(value = "/getshopbyid",method = RequestMethod.GET)
    @ResponseBody
    private Map<String,Object> getShopById(HttpServletRequest request){
        Map<String,Object> modelMap = new HashMap<String,Object>();
        long shopId = HttpServletRequestUtil.getLong(request, "shopId");
        if (shopId > -1){
            try {
                Shop byShopId = shopService.getByShopId(shopId);
                List<Area> areaList = areaService.getAreaList();
                modelMap.put("shop",byShopId);
                modelMap.put("areaList",areaList);
                modelMap.put("success",true);
            } catch (Exception e) {
                modelMap.put("success",false);
                modelMap.put("errMsg",e.toString());
            }
        }else{
            modelMap.put("success",false);
            modelMap.put("errMsg","empty shopId");
        }
        return modelMap;
    }



    @RequestMapping(value = "/getshopinitinfo",method = RequestMethod.GET)
    @ResponseBody
    private Map<String,Object> getShopInitInfo(){
        Map<String,Object> modelMap = new HashMap<String,Object>();
        List<ShopCategory> shopCategoryList = new ArrayList<ShopCategory>();  //店铺类别列表
        List<Area> areaList = new ArrayList<Area>();    //区域列表
        try {
            shopCategoryList = shopCategoryService.getShopCategoryList(new ShopCategory());  //获取店铺类别全部列表
            areaList = areaService.getAreaList();
            modelMap.put("shopCategoryList",shopCategoryList);
            modelMap.put("areaList",areaList);
            modelMap.put("success",true);
        } catch (Exception e) {
            modelMap.put("success",false);
            modelMap.put("errMsg",e.getMessage());
        }
        return modelMap;
    }



    @RequestMapping(value = "/registershop",method = RequestMethod.POST)
    @ResponseBody
    private Map<String,Object> registerShop(HttpServletRequest request){
        Map<String,Object> modelMap = new HashMap<String,Object>();

        //验证码
        if (!CodeUtil.checkVerifyCode(request)){
            modelMap.put("success",false);
            modelMap.put("errMsg","输入错误的验证码");
            return modelMap;
        }


        /**
         * 1.接收并转化相应的参数,包括店铺信息以及图片信息
         * 获取前端传过来店铺信息,并将它转换成实体类
         */
        String shopStr = HttpServletRequestUtil.getString(request,"shopStr");
        ObjectMapper mapper = new ObjectMapper();   //这个类是jackson提供的，主要是用来把对象转换成为一个json字符串返回到前端
        Shop shop = null;
        try {
            shop = mapper.readValue(shopStr,Shop.class);
        } catch (Exception e) {
            modelMap.put("success",false);
            modelMap.put("errMsg",e.getMessage());
            return modelMap;
        }


        /**
         * 获取前端传递过来的文件流,将它接收到shopImg里面去
         */
        CommonsMultipartFile shopImg = null;
        CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());  //从本次会话当中的上下文去获取相关文件上传的内容
        if(commonsMultipartResolver.isMultipart(request)){
            MultipartHttpServletRequest multipartHttpServletRequest = (MultipartHttpServletRequest) request;  //定义出这个对象,之后我们就可以提取出相对应的文件流
            shopImg = (CommonsMultipartFile) multipartHttpServletRequest.getFile("shopImg");  //获取上传图片文件流
        }else{
            modelMap.put("success",false);     //这些数据是放置在视图模型里面
            modelMap.put("errMsg","上传图片不能为空");
            return modelMap;
        }

        //2.注册店铺
        if(shop!=null && shopImg!=null){
            PersonInfo owner = new PersonInfo();
            owner.setUserId(1L);     // L标识长整型数值.
            shop.setOwner(owner);
            ShopExecution se;
            try {
                se = shopService.addShop(shop,shopImg.getInputStream(),shopImg.getOriginalFilename());  //getOriginalFilename() :可以获取到原本文件的名字
                //因为se是需要初始化的,就把它放在try这里面来
                if(se.getState() == ShopStateEnum.CHECK.getState()){       //如果这状态码和自己原先定义的相同,注册成功
                    modelMap.put("success",true);
                }else {
                    modelMap.put("success",false);
                    modelMap.put("errMsg",se.getStateInfo());
                }
            }catch (ShopOperationException e) {
                modelMap.put("success",false);
                modelMap.put("errMsg",e.getMessage());
            }catch (IOException e) {
                modelMap.put("success",false);
                modelMap.put("errMsg",e.getMessage());
            }

            return modelMap;
        }else{
            modelMap.put("success",false);
            modelMap.put("errMsg","请输入店铺信息");
            return modelMap;
        }

    }


}