腾讯云对象存储服务 COS(Cloud Object Storage) Go SDK（API 版本：V4 版本的 XML API）。
go get -u github.com/mozillazg/go-cos
所有的 API 在 examples 目录下都有对应的使用示例。
Service API:
- Get Service
Bucket API:
- Get Bucket
- Get Bucket ACL
- Get Bucket CORS
- Get Bucket Location
- Get Buket Lifecycle
- Get Bucket Tagging
- Put Bucket
- Put Bucket ACL
- Put Bucket CORS
- Put Bucket Lifecycle
- Put Bucket Tagging
- Delete Bucket
- Delete Bucket CORS
- Delete Bucket Lifecycle
- Delete Bucket Tagging
- Head Bucket
- List Multipart Uploads
Object API:
- Append Object
- Get Object
- Get Object ACL
- Put Object
- Put Object ACL
- Delete Object
- Delete Multiple Object
- Head Object
- Options Object
- Initiate Multipart Upload
- Upload Part
- List Parts
- Complete Multipart Upload
- Abort Multipart Upload