82 lines
2.3 KiB
Java
82 lines
2.3 KiB
Java
package com.szxgl.pars2021.utils;
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import org.apache.commons.io.IOUtils;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.UUID;
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public class FileUpLoad {
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public static String upload(String parentPath, MultipartFile fileImage){
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//如果没有上传文件就为null
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if (fileImage == null) {
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return null;
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}
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InputStream is = null;
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String fileName = null;
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String newPath = null;
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FileOutputStream os = null;
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String name = null;
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try {
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//获取输入流
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is = fileImage.getInputStream();
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//获取文件名
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fileName = fileImage.getOriginalFilename();
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//文件名处理，加上一串随机数
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fileName = UUID.randomUUID().toString().replaceAll("-","") + fileName;
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//判断文件夹是否创建
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File file = new File(parentPath);
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if(!file.exists()){
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file.mkdirs();
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}
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//根据时间创建文件夹名称
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newPath = new SimpleDateFormat("yyyyMMdd").format(new Date());
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newPath = parentPath + "/" + newPath;
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File file2 = new File(newPath);
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if(!file2.exists()){
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file2.mkdirs();
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}
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//获取输出流
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os = new FileOutputStream(new File(newPath, fileName));
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//进行复制
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IOUtils.copy(is,os);
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} catch (IOException e) {
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e.printStackTrace();
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}finally {
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try {
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if (os != null) {
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os.close();
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}
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if (is != null) {
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is.close();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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name = "/" + newPath.substring(newPath.lastIndexOf("\\")+1) + "/" + fileName;
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return name;
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}
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public static void main(String[] args) {
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String url = "D:\\file/2021111022379fe88b5f44f797271c0dc39d3019WeChat_20211110092809.mp4";
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url = url.substring(url.lastIndexOf("\\")+1);
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System.out.println(url);
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}
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}
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