src/main/java/cn/hxh/files/controller/FileController.java

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package cn.hxh.files.controller;

import cn.hxh.files.pojo.Files;
import cn.hxh.files.pojo.PageResult;
import cn.hxh.files.pojo.Score;
import cn.hxh.files.pojo.User;
import cn.hxh.files.service.FilesService;
import cn.hxh.files.service.ScoreService;
import org.apache.commons.io.IOUtils;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.*;
import java.net.URLDecoder;
import java.text.SimpleDateFormat;
import java.util.*;

@Controller
@RequestMapping("/file")
public class FileController {


    @Autowired
    private FilesService filesService;

    @Autowired
    private ScoreService scoreService;

    @PostMapping("/upload")
    public String upload(@RequestParam("file") MultipartFile[] file, HttpSession session) throws Exception {
        for (MultipartFile multipartFile : file) {
                getUser(multipartFile);
            //文件大小
            long size = multipartFile.getSize();
            //老文件名字
            String originalFilename = multipartFile.getOriginalFilename();
            //文件类型
            String contentType = multipartFile.getContentType();
            //获取文件后缀名
            String[] split = contentType.split("/");
            String ext = "." + split[1];
            //获取下载路径url
            String s = ResourceUtils.getURL("classpath:").getPath() + "static/upload";
            String url = URLDecoder.decode(s);
            Files files = new Files();
            files.setExt(ext);
            //创建新文件名字
            String newFileName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + UUID.randomUUID().toString().replace("-", "") + ext;
            files.setNewfilename(newFileName);
            files.setOldfilename(originalFilename);
            files.setSize(size);