优化

zhanghua

2023-09-08 7ef4892f9f24f941aca37e6b3991b808a0aca619

 ycl-common/src/main/java/com/ycl/utils/AliyunUtils.java

@@ -4,10 +4,15 @@
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectResult;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Date;
import java.util.UUID;

@Component
@@ -34,19 +39,49 @@
        AliyunUtils.bucketName = bucketName;
    }

    public static String upload(InputStream inputStream, String orginalFileName){
//    public static String upload(InputStream inputStream, String orginalFileName){
//        // 创建OSSClient实例。
//        OSS ossClient = new OSSClientBuilder().build(endpoint, keyId, keySecret);
//        // 文件名
//        String fileName = UUID.randomUUID().toString();
//        //文件扩展名
//        String fileExtention = orginalFileName.substring(orginalFileName.lastIndexOf("."));
//        //最终的路径 类似avatar/2021/12/05/xxxxxxxxx.jpg
//        String objectName = fileName+fileExtention;
//        ossClient.putObject(bucketName, objectName, inputStream);
//        // 关闭OSSClient。
//        ossClient.shutdown();
//        return "https://"+bucketName+"."+endpoint+"/"+objectName;
//    }

    public String upload(MultipartFile file) {

        String accessKeyId = keyId;
        String accessKeySecret = keySecret;

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, keyId, keySecret);
        // 文件名
        String fileName = UUID.randomUUID().toString();
        //文件扩展名
        String fileExtention = orginalFileName.substring(orginalFileName.lastIndexOf("."));
        //最终的路径 类似avatar/2021/12/05/xxxxxxxxx.jpg
        String objectName = fileName+fileExtention;
        ossClient.putObject(bucketName, objectName, inputStream);
        // 关闭OSSClient。
        ossClient.shutdown();
        return "https://"+bucketName+"."+endpoint+"/"+objectName;
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        // 上传文件流
        try {
            // 获取文件的名称
            String fileName = file.getOriginalFilename();
            ObjectMetadata objectMetadata = new ObjectMetadata();
            objectMetadata.setContentType(getcontentType(fileName.substring(fileName.lastIndexOf("."))));
            // 调用oss的方法实现长传
            // 第一个参数 bucketName
            // 第二个参数 上传到oss的文件路径和文件名称
            ossClient.putObject(bucketName, fileName, new ByteArrayInputStream(file.getBytes()),objectMetadata);
            // 关闭OSSClient。
            ossClient.shutdown();
            // 把上传的文件路径返回 （手动拼接）
            // 这里设置图片有效时间 我设置了30年
            Date expiration = new Date(System.currentTimeMillis() + 946080000 * 1000);
            String url = ossClient.generatePresignedUrl(bucketName, fileName, expiration).toString();
            return url;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static void delete(String link){
@@ -77,5 +112,42 @@
    }


    // 实现图片的预览功能
    public static String getcontentType(String FilenameExtension) {
        if (FilenameExtension.equalsIgnoreCase(".bmp")) {
            return "image/bmp";
        }
        if (FilenameExtension.equalsIgnoreCase(".gif")) {
            return "image/gif";
        }
        if (FilenameExtension.equalsIgnoreCase(".jpeg") ||
                FilenameExtension.equalsIgnoreCase(".jpg") ||
                FilenameExtension.equalsIgnoreCase(".png")) {
            return "image/jpg";
        }
        if (FilenameExtension.equalsIgnoreCase(".html")) {
            return "text/html";
        }
        if (FilenameExtension.equalsIgnoreCase(".txt")) {
            return "text/plain";
        }
        if (FilenameExtension.equalsIgnoreCase(".vsd")) {
            return "application/vnd.visio";
        }
        if (FilenameExtension.equalsIgnoreCase(".pptx") ||
                FilenameExtension.equalsIgnoreCase(".ppt")) {
            return "application/vnd.ms-powerpoint";
        }
        if (FilenameExtension.equalsIgnoreCase(".docx") ||
                FilenameExtension.equalsIgnoreCase(".doc")) {
            return "application/msword";
        }
        if (FilenameExtension.equalsIgnoreCase(".xml")) {
            return "text/xml";
        }
        return "image/jpg";
    }



}