Imports github.com/qiniu/api.v7/api github.com/qiniu/api.v7/conf github.com/qiniu/x/bytes.v7 github.com/qiniu/x/rpc.v7 github.com/qiniu/x/url.v7 github.com/qiniu/x/xlog.v7 Standard library imports bytes context encoding/base64 encoding/json errors fmt hash/crc32 io mime/multipart net/http net/textproto os path path/filepath strconv strings sync