package com.xkrs.straw.utilsold;

import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

public class FileUploadUtils {

    public static final boolean release = false;

    private FileUploadUtils() {
    }

    /**
     * 上传单个文件
     */
    public static String uploadFile(MultipartFile file) throws Exception {
        String uploadDirPath = "/Users/liuchengqian/Desktop/DaJiang/";
        String originalFilename = file.getOriginalFilename();
        int lastPointIndex = originalFilename.lastIndexOf(".");
        String extensionName = originalFilename.substring(lastPointIndex);
        String newFileName = UUID.randomUUID().toString() + extensionName;
        File uploadDir = new File(uploadDirPath);
        if ((!uploadDir.exists()) || (!uploadDir.isDirectory())) {
            uploadDir.mkdirs();
        }
        String uploadFilePath = uploadDirPath + newFileName;
        //实现上传
        file.transferTo(new File(uploadFilePath));

        return uploadFilePath;
    }

    /**
     * 上传多个文件
     */
    public static List<String> uploadFileArray(MultipartFile[] fileArray) throws Exception {
        List<String> pathList = new ArrayList<>();
        if (fileArray == null || fileArray.length == 0) {
            return pathList;
        }
        for (MultipartFile file : fileArray) {
            if (file != null) {
                pathList.add(uploadFile(file));
            }
        }
        return pathList;
    }
}