package com.mmall.util;
import com.google.common.collect.Lists;
import com.mmall.service.IFileService;
import com.mmall.util.FTPUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.File;
import java.io.IOException;
import java.util.UUID;
public class FileUploadUtil {
private Logger logger = LoggerFactory.getLogger(FileServiceImpl.class);
public static String upload(MultipartFile file,String path){
String fileName = file.getOriginalFilename();
String fileExtensionName = fileName.substring(fileName.lastIndexOf(".")+1);
String uploadFileName = UUID.randomUUID().toString()+"."+fileExtensionName;
logger.info("开始上传文件,上传文件的文件名:{},上传的路径:{},最终文件名:{}",fileName,path,uploadFileName);
File fileDir = new File(path);
if(!fileDir.exists()){
fileDir.setWritable(true);
fileDir.mkdirs();
}
File targetFile = new File(path,uploadFileName);
try {
file.transferTo(targetFile);
FTPUtil.uploadFile(Lists.newArrayList(targetFile));
targetFile.delete();
} catch (IOException e) {
logger.error("上传文件异常",e);
return null;
}
return targetFile.getName();
}
}