v2 官方推荐版本，需要go版本>=1.20 安装 go get github.com/aws/aws-sdk-go-v2 go get github.com/aws/aws-sdk-go-v2/config go get github.com/aws/aws-sdk-go-v2/service/s3 必要参数 bucket: 存储桶的名称 Region: 存储桶所在区域,例us-east-1 accessKeyID: 访问存储桶所需的KeyID secretAccessKey: 访问存储桶所需的AccessKey 如何获取accessKeyID和secretAccessKey:指南 var ( s3Client *s3.Client bucket = "yourbucketname" ) func InitS3Client() { accessKeyID := "xxxxx" secretAccessKey := "xxxxx" cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion("ap-east-1"), config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(accessKeyID, secretAccessKey, "")), ) if err != nil { log.Fatalf("unable to load SDK config, %v", err) } s3Client = s3.NewFromConfig(cfg) } func UploadToS3(filePath, fileName, mimeType string) (string, error) { file, err := os.Open(filePath) if err != nil { return "", fmt.Errorf("failed to open file %q, %v", filePath, err) } defer file.Close() _, err = s3Client.PutObject(context.TODO(), &s3.PutObjectInput{ Bucket: aws.String(bucket), Key: aws.String(fileName), Body: file, ContentType: aws.String(mimeType), }) if err != nil { return "", fmt.Errorf("failed to upload file to S3, %v", err) } return fmt.Sprintf("https://%s.s3.amazonaws.com/%s", bucket, fileName), nil } 参考2 // 创建s3Client实例。 payKeyId := "AK***" paySecret := "oiy***" accessKeyID := payKeyId secretAccessKey := paySecret cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion("ap-east-1"), config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(accessKeyID, secretAccessKey, "")), ) if err != nil { fmt.Printf("unable to load SDK config, %v", err) } name := "test" s3Client := s3.NewFromConfig(cfg) filePath := "static/test.jpg" // 读取本地文件。 fd, err := os.Open(filePath) if err != nil { return } defer fd.Close() _, err = s3Client.PutObject(context.TODO(), &s3.PutObjectInput{ Bucket: aws.String("up"), Key: