Java 封装阿里云 oss 上传图片时抽取配置到 application 使用 @Value 获取值

application .yml 配置

alioss:   # 阿里云配置
  endpoint: "https://oss-cn-beijing.aliyuncs.com"    # Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
  bucketName: ""  # 填写Bucket名称，例如examplebucket。
  access_key: ""  # 点击头像->Accesskey管理查看 秘钥
  access_key_secret: "" # 密码

上传代码

package com.zhong.utils;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.InputStream;
/**
 * @ClassName : AliOssUtil
 * @Description : 阿里云上传服务
 * @Author : zhx
 * @Date: 2024-03-1 20:29
 */
@Component
public class AliOssUtil {
	// 抽取配置
    private static String ENDPOINT;
    @Value("${alioss.endpoint}")
    public void setENDPOINT(String endpoint){
        ENDPOINT = endpoint;
    }
    private static String ACCESS_KEY;
    @Value("${alioss.access_key}")
    public void setAccessKey(String accessKey){
        ACCESS_KEY = accessKey;
    }
    private static String ACCESS_KEY_SECRET;
    @Value("${alioss.access_key_secret}")
    public void setAccessKeySecret(String accessKeySecret){
        ACCESS_KEY_SECRET = accessKeySecret;
    }
    private static String BUCKETNAME;
    @Value("${alioss.bucketName}")
    public void setBUCKETNAME(String bucketName){
        BUCKETNAME = bucketName;
    }
	
	// 上传业务
    public static String uploadFile(String objectName, InputStream inputStream) {
        String url = "";
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(ENDPOINT, ACCESS_KEY, ACCESS_KEY_SECRET);
        try {
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(BUCKETNAME, objectName, inputStream);
            // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
            // ObjectMetadata metadata = new ObjectMetadata();
            // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
            // metadata.setObjectAcl(CannedAccessControlList.Private);
            // putObjectRequest.setMetadata(metadata);

            // 上传文件。
            PutObjectResult result = ossClient.putObject(putObjectRequest);
            url = "https://" + BUCKETNAME + "." + ENDPOINT.substring(ENDPOINT.lastIndexOf("/") + 1) + "/" + objectName;
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return url;
    }
}

程序调用

package com.zhong.controller;

import com.zhong.pojo.Result;
import com.zhong.utils.AliOssUtil;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.util.UUID;

/**
 * @ClassName : FileUploadController
 * @Description : 文件上传相关操作
 * @Author : zhx
 * @Date: 2024-03-01 19:45
 */
@RestController

public class FileUploadController {
    @PostMapping("/upload")
    public Result<String> uploadImage(MultipartFile file) throws Exception {
        // 获取文件原名
        String originalFilename = file.getOriginalFilename();
        // 防止重复上传文件名重复
        String fileName = UUID.randomUUID() + originalFilename.substring(originalFilename.indexOf("."));
        // 把文件储存到本地磁盘
//        file.transferTo(new File("E:\\SpringBootBase\\ProjectOne\\big-event\\src\\main\\resources\\flies\\" + fileName));
        String url = AliOssUtil.uploadFile(fileName, file.getInputStream());
        return Result.success(url);
    }
}