src/com/marry/controller/TypeController.java

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package com.marry.controller;

import com.marry.entity.Type;
import com.marry.entity.User;
import com.marry.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

@Controller
@RequestMapping("type")
public class TypeController {
    @Autowired
    private TypeService typeService;

    @ModelAttribute
    public String path(HttpServletRequest request){
        return request.getServletPath();
    }

    @RequestMapping("list")
    public String list(Model model, HttpSession session,String index){
        List<Type> list=typeService.selectList();
        model.addAttribute("list",list);
        User user= (User) session.getAttribute("login");
        if (!StringUtils.isEmpty(index)) return index;
        if (user!=null && user.getRole()==1){
            model.addAttribute("type","active");
            return "manage/typeList";
        }else {
            return "type";
        }
    }

    @RequestMapping("update")
    public String update(Type type,Model model,MultipartFile file,HttpServletRequest request) throws IOException {
        if (!file.isEmpty()){
            String path = request.getSession().getServletContext().getRealPath("/upload/images");
            SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddhhmmssSSS");
            String fileName = sdf.format(new Date());
            String imgUrl = path + "\\" + fileName + file.getOriginalFilename();
            File filePath = new File(imgUrl);
            if (!filePath.getParentFile().exists()) {
                filePath.getParentFile().mkdirs();
            }
            file.transferTo(filePath);