Merge pull request #100 from agin719/cos-v4-dev

update upload

CHANGELOG.md

@@ -7,6 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v0.7.17](https://github.com/tencentyun/cos-go-sdk-v5/compare/v0.7.16...v0.7.17) - 2020-12-29
+
+add multicopy
+
+### Merged
+
+- add MultiCopy [`#99`](https://github.com/tencentyun/cos-go-sdk-v5/pull/99)
+
+### Commits
+
+- Updated CHANGELOG.md [`91fc87b`](https://github.com/tencentyun/cos-go-sdk-v5/commit/91fc87ba8af042adb0d0bf147f8fe6aa49057976)
+
 ## [v0.7.16](https://github.com/tencentyun/cos-go-sdk-v5/compare/v0.7.15...v0.7.16) - 2020-12-24
 
 add bucket accelerate  &&  update upload progress 

cos.go

@@ -22,7 +22,7 @@ import (
 
 const (
 	// Version current go sdk version
-	Version               = "0.7.17"
+	Version               = "0.7.18"
 	userAgent             = "cos-go-sdk-v5/" + Version
 	contentTypeXML        = "application/xml"
 	defaultServiceBaseURL = "http://service.cos.myqcloud.com"

helper.go

@@ -113,7 +113,7 @@ func decodeURIComponent(s string) (string, error) {
 }
 
 func DecodeURIComponent(s string) (string, error) {
-	return DecodeURIComponent(s)
+	return decodeURIComponent(s)
 }
 
 func EncodeURIComponent(s string) string {

object.go

@@ -563,12 +563,12 @@ func worker(s *ObjectService, jobs <-chan *Jobs, results chan<- *Results) {
 			results <- &res
 		}
 
-		fd.Seek(j.Chunk.OffSet, os.SEEK_SET)
 		// UploadPart do not support the chunk trsf, so need to add the content-length
 		j.Opt.ContentLength = int(j.Chunk.Size)
 
 		rt := j.RetryTimes
 		for {
+			fd.Seek(j.Chunk.OffSet, os.SEEK_SET)
 			resp, err := s.UploadPart(context.Background(), j.Name, j.UploadId, j.Chunk.Number,
 				&io.LimitedReader{R: fd, N: j.Chunk.Size}, j.Opt)
 			res.PartNumber = j.Chunk.Number