复制对象

func (s *ObjectService) Copy(ctx context.Context, name, sourceURL string, opt *ObjectCopyOptions) (*ObjectCopyResult, *Response, error)

type ObjectCopyOptions struct {
    *ObjectCopyHeaderOptions
}

type ObjectCopyHeaderOptions struct {
    CacheControl          string
    ContentDisposition    string
    ContentEncoding       string
    ContentType           string
    ContentLanguage       string
    Expires               string
    XCosMetadataDirective string
    // 自定义的 x-cos-meta-* header
    XCosMetaXXX      *http.Header
    XCosStorageClass string
}

type ObjectCopyResult struct {
    ETag         string
    LastModified string
    CRC64        string
    VersionId    string
}

package main

import (
    "context"
    "log"
    "net/http"
    "net/url"
    "os"
    "time"

    "github.com/tencentyun/cos-go-sdk-v5"
)

func main() {
    u, _ := url.Parse("https://examplebucket-x--1250000000.cosrapid.ap-guangzhou.myqcloud.com")
    b := &cos.BaseURL{BucketURL: u}
    base := &cos.AuthorizationTransport{
        SecretID:  os.Getenv("SECRETID"),
        SecretKey: os.Getenv("SECRETKEY"),
    }
    c := cos.NewClient(b, &http.Client{
        Transport: cos.NewRapidCredentialTransport(base),
        Timeout:   30 * time.Second,
    })

    ctx := context.Background()
    name := "destobject.txt"
    sourceURL := "examplebucket-x--1250000000.cosrapid.ap-guangzhou.myqcloud.com/srcobject.txt"

    res, _, err := c.Object.Copy(ctx, name, sourceURL, nil)
    if err != nil {
        log.Fatalf("CopyObject failed: %v", err)
    }
    log.Printf("CopyObject OK, ETag: %s", res.ETag)
}