Cloud-Service-Integration von Golang-Funktionen

import (
    "context"
    "fmt"
    "io"

    "github.com/aws/aws-sdk-go/aws"
    "github.com/aws/aws-sdk-go/aws/session"
    "github.com/aws/aws-sdk-go/service/s3"
)

// uploadFileToS3 上传文件到 Amazon S3 存储桶中。
func uploadFileToS3(w io.Writer, bucket, key, filePath string) error {
    // 创建一个新的 S3 客户端。
    sess := session.Must(session.NewSession())
    client := s3.New(sess)

    // 使用文件路径打开一个文件。
    file, err := os.Open(filePath)
    if err != nil {
        return fmt.Errorf("os.Open: %v", err)
    }
    defer file.Close()

    // 上传文件到指定的存储桶和键中。
    _, err = client.PutObjectWithContext(context.Background(), &s3.PutObjectInput{
        Bucket: aws.String(bucket),
        Key:    aws.String(key),
        Body:   file,
    })
    if err != nil {
        return fmt.Errorf("PutObjectWithContext: %v", err)
    }

    fmt.Fprintf(w, "Uploaded file to %s/%s\n", bucket, key)
    return nil
}

import (
    "context"
    "fmt"
    "log"

    vision "cloud.google.com/go/vision/apiv1"
    "cloud.google.com/go/vision/v2/apiv1/visionpb"
)

// detectLabelsFromGCS 分析存储在 Google Cloud Storage 的图像。
func detectLabelsFromGCS(w io.Writer, gcsURI string) error {
    ctx := context.Background()
    c, err := vision.NewImageAnnotatorClient(ctx)
    if err != nil {
        return fmt.Errorf("vision.NewImageAnnotatorClient: %v", err)
    }
    defer c.Close()

    image := &visionpb.Image{
        Source: &visionpb.ImageSource{
            GcsImageUri: gcsURI,
        },
    }
    annotations, err := c.DetectLabels(ctx, image, nil, 10)
    if err != nil {
        return fmt.Errorf("DetectLabels: %v", err)
    }

    if len(annotations) == 0 {
        fmt.Fprintln(w, "No labels found.")
    } else {
        fmt.Fprintln(w, "Labels:")
        for _, annotation := range annotations {
            fmt.Fprintln(w, annotation.Description)
        }
    }

    return nil
}