goframe框架中获取url内容并转成Base64字符串

goframe框架中获取url内容并转成Base64字符串

package tools

import (
	"context"
	"encoding/base64"
	"github.com/gogf/gf/v2/frame/g"
)

func ConvertUrlContentToBase64String(urlStr string) (base64StrContent string, err error) {
	ctx := context.Background()
	if res, err := g.Client().Get(ctx, urlStr); err != nil {
		return "", err
	} else {
		//contentBytes := bytes.NewBufferString(res.ReadAllString()).Bytes()
		contentBytes := []byte(res.ReadAllString())
		base64StrContent = base64.StdEncoding.EncodeToString(contentBytes)
		return base64StrContent, nil
	}
}