阿里云工具类

阿里云工具类

AliOSSProperties：

package com.feixin.utils;

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Data
@Component
@ConfigurationProperties(prefix = "aliyun.oss")
public class AliOSSProperties {
    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;
}

AliOSSUtils:

package com.feixin.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import java.io.*;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Base64;
import java.util.UUID;

/**
 * 阿里云 OSS 工具类
 */
@Component
public class AliOSSUtils {

    @Autowired
    private AliOSSProperties aliOSSProperties;
    /**
     * 实现上传图片到OSS
     */
    public String uploadFormData(MultipartFile file) throws IOException {
        //获取阿里云OSS参数
        String endpoint = aliOSSProperties.getEndpoint();
        String accessKeyId = aliOSSProperties.getAccessKeyId();
        String accessKeySecret = aliOSSProperties.getAccessKeySecret();
        String bucketName = aliOSSProperties.getBucketName();

        // 获取上传的文件的输入流
        InputStream inputStream = file.getInputStream();

        // 避免文件覆盖
        String originalFilename = file.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        ossClient.putObject(bucketName, fileName, inputStream);

        //文件访问路径
        String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }

    public String uploadBase64(String file) throws IOException {
        //获取阿里云OSS参数
        String endpoint = aliOSSProperties.getEndpoint();
        String accessKeyId = aliOSSProperties.getAccessKeyId();
        String accessKeySecret = aliOSSProperties.getAccessKeySecret();
        String bucketName = aliOSSProperties.getBucketName();

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        // 设置文件名
        LocalDateTime now = LocalDateTime.now();
        String formattedDate = now.format(DateTimeFormatter.ofPattern("yyyy/MM/dd"));
        String uuid = UUID.randomUUID().toString().replace("-", "");
        String fileName = formattedDate + uuid;
        // 获取文件后缀名
        int originalFilenameStartIndex = file.indexOf('/');
        int originalFilenameEndIndex = file.indexOf(';');
        String fileType = file.substring(originalFilenameStartIndex+1,originalFilenameEndIndex);
        fileName += '.';
        fileName += fileType;
        // 获取base64的文件
        file = file.split(",")[1];
        byte[] bytesFile = Base64.getDecoder().decode(file);
        try {
            // 创建PutObject请求。
            InputStream inputStream = new ByteArrayInputStream(bytesFile);
            ossClient.putObject(bucketName, fileName, inputStream);

            // System.out.println(url);
            return "http://" + bucketName + "." + endpoint + "/" + fileName;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }

}