Object Storage Service:Rename a file (Go SDK V1)

package main

import (
	"fmt"
	"log"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		log.Fatalf("Failed to create credentials provider: %v", err)
	}

	// Create an OSSClient instance.
	// Set yourEndpoint to the Endpoint of the bucket. For example, for a bucket in the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, use the actual Endpoint.
	// Set yourRegion to the region where the bucket is located. For example, for a bucket in the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, use the actual region.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Set the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		log.Fatalf("Failed to create OSS client: %v", err)
	}

	// Specify the bucket name.
	bucketName := "examplebucket"
	bucket, err := client.Bucket(bucketName)
	if err != nil {
		log.Fatalf("Failed to get bucket '%s': %v", bucketName, err)
	}

	// The full path of the source object. The full path cannot contain the bucket name.
	srcObject := "srcobject.txt"
	// The full path of the destination object. The full path cannot contain the bucket name.
	destObject := "destobject.txt"

	// Copy srcobject.txt to destobject.txt in the same bucket.
	_, err = bucket.CopyObject(srcObject, destObject)
	if err != nil {
		log.Fatalf("Failed to copy object '%s' to '%s': %v", srcObject, destObject, err)
	}

	// Delete srcobject.txt.
	err = bucket.DeleteObject(srcObject)
	if err != nil {
		log.Fatalf("Failed to delete source object '%s': %v", srcObject, err)
	}

	fmt.Printf("%s has been renamed to %s\n", srcObject, destObject)
}