add ListMultiUploads && 断点续传

example/object/list_uploads.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"math/rand"
+	"net/url"
+	"os"
+	"strings"
+
+	"net/http"
+
+	"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 initUpload(c *cos.Client, name string) *cos.InitiateMultipartUploadResult {
+	v, _, err := c.Object.InitiateMultipartUpload(context.Background(), name, nil)
+	log_status(err)
+	fmt.Printf("%#v\n", v)
+	return v
+}
+
+func uploadPart(c *cos.Client, name string, uploadID string, blockSize, n int) string {
+
+	b := make([]byte, blockSize)
+	if _, err := rand.Read(b); err != nil {
+		log_status(err)
+	}
+	s := fmt.Sprintf("%X", b)
+	f := strings.NewReader(s)
+
+	resp, err := c.Object.UploadPart(
+		context.Background(), name, uploadID, n, f, nil,
+	)
+	log_status(err)
+	fmt.Printf("%s\n", resp.Status)
+	return resp.Header.Get("Etag")
+}
+
+func main() {
+	u, _ := url.Parse("http://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,
+				RequestBody:    false,
+				ResponseHeader: true,
+				ResponseBody:   true,
+			},
+		},
+	})
+
+	name := "test/test_list_parts.go"
+	up := initUpload(c, name)
+	uploadID := up.UploadID
+	ctx := context.Background()
+	blockSize := 1024 * 1024 * 3
+
+	for i := 1; i < 5; i++ {
+		uploadPart(c, name, uploadID, blockSize, i)
+	}
+	opt := &cos.ObjectListUploadsOptions{
+		Prefix:     cos.EncodeURIComponent("test/test_list_parts"),
+		MaxUploads: 100,
+	}
+	v, _, err := c.Object.ListUploads(context.Background(), opt)
+	if err != nil {
+		log_status(err)
+		return
+	}
+	fmt.Printf("%+v\n", v)
+	for _, p := range v.Upload {
+		fmt.Printf("%+v\n", p)
+		fmt.Printf("%v, %v, %v\n", p.Key, p.UploadID, p.Initiated)
+	}
+}