cos-go-sdk-v5/example/CI/ci_QRcode.go

package main

import (
	"context"
	"fmt"
	"net/http"
	"net/url"
	"os"

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

func log_status(err error) {
	if err == nil {
		return
	}
	if cos.IsNotFoundError(err) {
		// WARN
		fmt.Println("WARN: Resource is not existed")
	} else if e, ok := cos.IsCOSError(err); ok {
		fmt.Printf("ERROR: Code: %v\n", e.Code)
		fmt.Printf("ERROR: Message: %v\n", e.Message)
		fmt.Printf("ERROR: Resource: %v\n", e.Resource)
		fmt.Printf("ERROR: RequestId: %v\n", e.RequestID)
		// ERROR
	} else {
		fmt.Printf("ERROR: %v\n", err)
		// ERROR
	}
}

func main() {
	u, _ := url.Parse("https://test-1259654469.cos.ap-guangzhou.myqcloud.com")
	b := &cos.BaseURL{BucketURL: u}
	c := cos.NewClient(b, &http.Client{
		Transport: &cos.AuthorizationTransport{
			SecretID:  os.Getenv("COS_SECRETID"),
			SecretKey: os.Getenv("COS_SECRETKEY"),
			Transport: &debug.DebugRequestTransport{
				RequestHeader: true,
				// Notice when put a large file and set need the request body, might happend out of memory error.
				RequestBody:    false,
				ResponseHeader: true,
				ResponseBody:   false,
			},
		},
	})

	opt := &cos.ObjectPutOptions{
		nil,
		&cos.ObjectPutHeaderOptions{
			XOptionHeader: &http.Header{},
		},
	}
	pic := &cos.PicOperations{
		IsPicInfo: 1,
		Rules: []cos.PicOperationsRules{
			{
				FileId: "format.jpg",
				Rule:   "QRcode/cover/1",
			},
		},
	}
	opt.XOptionHeader.Add("Pic-Operations", cos.EncodePicOperations(pic))
	name := "test.jpg"
	local_filename := "./QRcode.jpg"
	res, _, err := c.CI.PutFromFile(context.Background(), name, local_filename, opt)
	log_status(err)
	fmt.Printf("%+v\n", res)
	fmt.Printf("%+v\n", res.OriginalInfo)
	fmt.Printf("%+v\n", res.ProcessResults)

	res2, _, err := c.CI.GetQRcode(context.Background(), name, 0, nil)
	log_status(err)
	fmt.Printf("%+v\n", res2)

	gopt := &cos.GenerateQRcodeOptions{
		QRcodeContent: fmt.Sprintf("<%v>", res2.QRcodeInfo.CodeUrl),
		Mode:          0,
		Width:         200,
	}
	res3, _, err := c.CI.GenerateQRcode(context.Background(), gopt)
	log_status(err)
	fmt.Printf("%+v\n", res3)

	_, _, err = c.CI.GenerateQRcodeToFile(context.Background(), "./downQRcode.jpg", gopt)
	log_status(err)
}