通过第三方URL拉取文件上传（Go）

package ks3test

import (
	"bufio"
	"bytes"
	"github.com/ks3sdklib/aws-sdk-go/aws/awserr"
	"github.com/ks3sdklib/aws-sdk-go/aws/awsutil"
	"net/url"
	"strconv"
	"strings"
	"testing"
	"time"
	//	"io"
	"fmt"
	"github.com/ks3sdklib/aws-sdk-go/aws"
	"github.com/ks3sdklib/aws-sdk-go/aws/credentials"
	"github.com/ks3sdklib/aws-sdk-go/service/s3"
	"net/http"
	"os"
)

var bucket = string("yourbucket")
var key = string("yourkey")
var key_encode = string("yourkey")
var key_copy = string("yourkey")
var content = string("content")
var prefix = "test/" //目录名称

// 金山云主账号 AccessKey 拥有所有API的访问权限，风险很高。
// 强烈建议您创建并使用子账号账号进行 API 访问或日常运维，请登录 https://uc.console.ksyun.com/pro/iam/#/user/list 创建子账号。
// 通过指定 host(Endpoint)，您可以在指定的地域创建新的存储空间。
var cre = credentials.NewStaticCredentials("ak", "sk", "") //online
var svc = s3.New(&aws.Config{
	//Region 可参考 [https://docs.ksyun.com/documents/6761](https://docs.ksyun.com/documents/6761)
	Region:      "BEIJING",
	Credentials: cre,
	//Endpoint 可参考 [https://docs.ksyun.com/documents/6761](https://docs.ksyun.com/documents/6761)
	Endpoint:         "ks3-cn-beijing.ksyuncs.com",
	DisableSSL:       true, //是否禁用https
	LogLevel:         1,    //是否开启日志,0为关闭日志，1为开启日志
	LogHTTPBody:      true, //是否把HTTP请求body打入日志
	S3ForcePathStyle: true,
	Logger:           nil, //打日志的位置
})

//抓取第三方URL上传到KS3
func fetchObj(svc *s3.S3) {

	//指定目标Object对象标签，可同时设置多个标签，如：TagA=A&TagB=B。
	//说明 Key和Value需要先进行URL编码，如果某项没有“=”，则看作Value为空字符串。详情请见对象标签（[https://docs.ksyun.com/documents/39576](https://docs.ksyun.com/documents/39576)）。
	v := url.Values{}
	v.Add("schoole", "bbvvvvvv")
	v.Add("class", "123123123123")
	XAmzTagging := v.Encode()

	//源站url
	sourceUrl := "https://img0.pconline.com.cn/pconline/1111/04/2483449_20061139501.jpg"
	input := s3.FetchObjectInput{
		Bucket:      aws.String(bucket),
		Key:         aws.String("dst/testa"),
		SourceUrl:   aws.String(sourceUrl),
		XAmzTagging: aws.String(XAmzTagging),   //对象tag
		ACL:         aws.String("public-read"), //对象acl
	}
	resp, _ := svc.FetchObject(&input)
	fmt.Println("结果：\n", awsutil.StringValue(resp))
}