#

Junjie

2023-09-08 336b1ee18a1d1ff4230e8edb7faa43e3b5ef1ffc

 src/main/java/com/zy/crm/common/service/OssService.java

@@ -3,6 +3,8 @@
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.OSSObject;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import com.core.common.SnowflakeIdWorker;
import com.core.exception.CoolException;
import lombok.Data;
@@ -10,14 +12,19 @@
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.InputStreamResource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.*;
import java.net.URL;
import java.nio.file.Path;
import java.util.Date;
import java.nio.file.StandardCopyOption;
import java.nio.file.Files;
import java.nio.file.Paths;

/**
 * 阿里云OSS服务类
@@ -50,6 +57,7 @@
     * 上传OSS文件
     * @return the url
     */
    @Deprecated
    public String upload(InputStream inputStream, String suffix){
        if(suffix.trim().equals("file")){
            suffix="jpg";
@@ -79,26 +87,131 @@
        throw new CoolException("500-上传失败");
    }

    public String upload(InputStream inputStream) {
        return upload(inputStream, ".jpg");
    }

    /**
     * 下载OSS文件
     */
    public void download(String name) {
    @Deprecated
    public String upload(InputStream inputStream, String suffix,String contentType){
        if(suffix.trim().equals("file")){
            suffix="jpg";
        }
        OSSClient ossClient = new OSSClient(OSS_ENDPOINT, accessKeyId, accessKeySecret);
        String name = "";
        try {
            OSSObject ossObject = ossClient.getObject(bucket, name);
            InputStream inputStream = ossObject.getObjectContent();
            // do transfer
            inputStream.close();
            log.info("OSS文件下载成功: {}", name);
            if (!ossClient.doesBucketExist(bucket)) {
                ossClient.createBucket(bucket);
                log.info("您的Bucket不存在，创建Bucket：{}",bucket);
            }
            name = String.valueOf(snowflakeIdWorker.nextId()).concat(".").concat(suffix);
            // 添加 ContentType
            ObjectMetadata objectMetadata = new ObjectMetadata();
//            objectMetadata.setContentType("image/jpg");
            objectMetadata.setContentType(contentType);
            ossClient.putObject(bucket, name, inputStream, objectMetadata);
            Date expiration = new Date(new Date().getTime() + 3600L * 1000 * 24 * 365 * 100);
            URL url = ossClient.generatePresignedUrl(bucket, name, expiration);
            log.info("OSS文件上传成功: {}", name);
//            return String.valueOf(url);
            return "http://zhongyang-ftpserver.oss-cn-hangzhou.aliyuncs.com/"+name;
        } catch (Exception e){
            e.printStackTrace();
        } finally {
            ossClient.shutdown();
        }
        throw new CoolException("500-上传失败");
    }

    @Deprecated
    public String upload(InputStream inputStream) {
        return upload(inputStream, ".jpg");
    }

    /**
     * 文件上传
     * @param filePath OSS路径
     * @param file 文件File
     */
    public boolean uploadFile(String filePath, File file) {
        OSSClient ossClient = new OSSClient(OSS_ENDPOINT, accessKeyId, accessKeySecret);
        // 创建PutObjectRequest对象。
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, filePath, file);
        // 上传文件。
        PutObjectResult result = ossClient.putObject(putObjectRequest);
        return true;
    }

    /**
     * 下载文件
     * @param filePath OSS路径
     */
    public ResponseEntity<InputStreamResource> downloadFile(String filePath) throws IOException {
        OSSClient ossClient = new OSSClient(OSS_ENDPOINT, accessKeyId, accessKeySecret);
        OSSObject ossObject = ossClient.getObject(bucket, filePath);
        InputStream inputStream = ossObject.getObjectContent();

        // 创建响应实体，将输出流作为文件内容返回
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
        headers.setContentDispositionFormData("attachment", "output.docx");
        InputStreamResource resource = new InputStreamResource(convertToByteArrayInputStream(inputStream));
        return ResponseEntity.ok()
                .headers(headers)
                .body(resource);
    }

    public static ByteArrayInputStream convertToByteArrayInputStream(InputStream inputStream) throws IOException {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        byte[] buffer = new byte[4096];
        int bytesRead;
        while ((bytesRead = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, bytesRead);
        }
        byte[] data = outputStream.toByteArray();
        return new ByteArrayInputStream(data);
    }

    /**
     * 下载OSS文件
     */
//    public void download(String name) {
//        OSSClient ossClient = new OSSClient(OSS_ENDPOINT, accessKeyId, accessKeySecret);
//        try {
//            OSSObject ossObject = ossClient.getObject(bucket, name);
//            InputStream inputStream = ossObject.getObjectContent();
//            // do transfer
//            inputStream.close();
//            log.info("OSS文件下载成功: {}", name);
//        } catch (Exception e){
//            e.printStackTrace();
//        } finally {
//            ossClient.shutdown();
//        }
//    }

    @Deprecated
    public String download(String name) {
        OSSClient ossClient = new OSSClient(OSS_ENDPOINT, accessKeyId, accessKeySecret);
        try {
            OSSObject ossObject = ossClient.getObject(bucket, name);
            InputStream inputStream = ossObject.getObjectContent();

            // 获取默认下载目录
            String defaultDownloadDir = System.getProperty("user.home") + "/Downloads";

            // 创建文件保存路径
            Path filePath = Paths.get(defaultDownloadDir, name);

            // 将输入流复制到文件
            Files.copy(inputStream, filePath, StandardCopyOption.REPLACE_EXISTING);

            // 关闭输入流
            inputStream.close();

            log.info("OSS文件下载成功，保存路径: {}", filePath);
            return ""+filePath;
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            ossClient.shutdown();
        }
        return "";
    }

    /**