FileUpload.java

package org.liutao.wzry.util;


import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import org.apache.commons.io.IOUtils;
import org.springframework.web.multipart.MultipartFile;


public class FileUpload {


public static String uploadImg(MultipartFile file, String uploadPath) throws Exception {


System.out.println(uploadPath);
File upLoadFile = new File(uploadPath);
if (!upLoadFile.exists()) {
upLoadFile.mkdirs();
}
String newFileName = getNewFileName(file.getOriginalFilename());
InputStream in = file.getInputStream();
OutputStream out = new FileOutputStream(new File(uploadPath, newFileName));
IOUtils.copy(in, out);
in.close();
out.close();
return "uploadimg/" + newFileName;
}


public static List<String> moreUploadImg(MultipartFile[] file, String uploadPath) throws Exception {
List<String> imglist = new ArrayList<>();
for (int i = 0; i < file.length; i++) {
imglist.add(uploadImg(file[i], uploadPath));
}
return imglist;
}


// ¸ù¾ÝÎļþÃûÉú³ÉеÄÎļþ
private static String getNewFileName(String fileName) {
String newFileName = "";
if (fileName != null) {
String extion = fileName.substring(fileName.lastIndexOf("."));
newFileName = UUID.randomUUID().toString() + extion;
}


return newFileName;


}


}