Object Storage Service:Query the storage capacity of a bucket (Go SDK V1)

package main

import (
	"log"

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

func main() {
	// Obtain access credentials from environment variables.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		log.Fatalf("Failed to get credentials from environment variables: %v", err)
	}

	// Create an OSSClient instance.
	// Set yourEndpoint to the endpoint of the bucket. For example, for the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, specify the actual endpoint.
	// Set yourRegion to the region where the bucket is located. For example, for the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, specify 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 new OSS client: %v", err)
	}

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

	// Get the total storage capacity of the bucket in bytes.
	log.Printf("Bucket Stat Storage: %d bytes\n", stat.Storage)
	// Get the total number of objects in the bucket.
	log.Printf("Bucket Stat Object Count: %d\n", stat.ObjectCount)
}