package com.ruoyi.file.service;
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import com.aliyun.oss.ClientBuilderConfiguration;
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import com.aliyun.oss.OSS;
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import com.aliyun.oss.OSSClientBuilder;
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import com.aliyun.oss.common.auth.CredentialsProvider;
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import com.aliyun.oss.common.auth.DefaultCredentialProvider;
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import com.aliyun.oss.common.comm.SignVersion;
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import com.aliyun.oss.model.PutObjectRequest;
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import com.aliyun.oss.model.PutObjectResult;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.file.config.OssConfig;
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import org.apache.commons.lang3.time.DateFormatUtils;
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import org.springframework.stereotype.Service;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Date;
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import java.util.Objects;
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import java.util.UUID;
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/**
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* @author mitao
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* @date 2024/12/23
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*/
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@Service
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public class OssServiceImpl implements OssService {
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/**
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* 文件上传
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*
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* @param file
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* @return
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*/
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@Override
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public String uploadFile(MultipartFile file) throws IOException {
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return upload(OssConfig.FOLDER, file);
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}
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/**
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* 文件上传，指定上传路径
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*
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* @param storagePath
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* @param file
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* @return
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*/
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@Override
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public String upload(String storagePath, MultipartFile file) throws IOException {
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CredentialsProvider credentialsProvider = new DefaultCredentialProvider(OssConfig.ACCESS_KEY_ID, OssConfig.ACCESS_KEY_SECRET);
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String region = "cn-chengdu";
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// 创建OSSClient实例。
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ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
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clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
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OSS ossClient = OSSClientBuilder.create()
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.endpoint(OssConfig.UPLOAD_ENDPOINT)
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.credentialsProvider(credentialsProvider)
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.clientConfiguration(clientBuilderConfiguration)
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.region(region)
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.build();
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InputStream inputStream = file.getInputStream();
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String originFileName = file.getOriginalFilename();
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String fileExt = Objects.requireNonNull(originFileName).substring(originFileName.lastIndexOf(".") + 1);
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String fileName = originFileName.substring(0, originFileName.lastIndexOf("."));
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// 设置文件名
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String filePathName = generateRelativeStoragePath(storagePath, fileExt, fileName);
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// 创建PutObjectRequest对象。
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PutObjectRequest putObjectRequest = new PutObjectRequest(OssConfig.BUCKET_NAME, filePathName, inputStream);
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// 创建PutObject请求。
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PutObjectResult result = ossClient.putObject(putObjectRequest);
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return OssConfig.DOWNLOAD_ENDPOINT + filePathName;
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}
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/**
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* <pre>
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* 获取存储的相对路径
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* 规则path + / + yyyyMMddHH + uuid
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* </pre>
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*
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* @param storagePath
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* @return
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*/
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private static String generateRelativeStoragePath(String storagePath, String fileType, String fileName) {
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String time = DateFormatUtils.format(new Date(), "yyyyMMddHHmmss");
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String uuid = UUID.randomUUID().toString();
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StringBuilder sb = new StringBuilder();
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if (StringUtils.isNotBlank(storagePath)) {
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sb.append(storagePath).append("/");
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}
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if (fileName == null) {
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sb.append(time).append(uuid);
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} else {
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sb.append(fileName).append(time);
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}
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if (StringUtils.isNotBlank(fileType)) {
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sb.append(".").append(fileType);
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}
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return sb.toString();
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}
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}
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