OSS simply upload pictures

package com.atguigu.oss.service.impl;import com.aliyun.oss.OSS;import com.aliyun.oss.OSSClientBuilder;import com.atguigu.oss.service.OssService;import com.atguigu.oss.utils.ConstantPropertiesUtils;import org.joda.time.DateTime;import org.springframework.stereotype.Service;import org.springframework.web.multipart.MultipartFile;import java.io.InputStream;import java.text.SimpleDateFormat;import java.util.Date;import java.util.UUID;@Servicepublic class OssServiceImpl implements OssService {//Upload avatar to [email protected] String uploadFileAvatar(MultipartFile file) {// The constant value obtained by the tool class can also be configured to the configuration file @Value(${xxx}) to obtainString endpoint = ConstantPropertiesUtils.END_POIND;String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;String bucketName = ConstantPropertiesUtils.BUCKET_NAME;try {// Create an OSS instance.OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);//Get the upload file input streamInputStream inputStream = file.getInputStream();//get file nameString fileName = file.getOriginalFilename();String uuid = UUID.randomUUID().toString().replaceAll("-", "");fileName = uuid + fileName;String datePath = new DateTime().toString("yyyy/MM/dd");fileName = datePath + "/" + fileName;/*** Call the oss method to upload* The first parameter Bucket name* The second parameter uploads to the oss file path and file name* The third parameter upload file input stream*/ossClient.putObject(bucketName, fileName, inputStream);// Close OSSClient.ossClient.shutdown();//Need to manually splice the oss path uploaded to Alibaba Cloudreturn "https://" + bucketName + "." + endpoint + "/" + fileName;} catch (Exception e) {e.printStackTrace();return null;}}}