oss

type Access struct {
	Endpoint string
	Key      string
	Secret   string
	Bucket   string
}

type OSS interface {
	// 初始化
	Init(...Option) error
	// 上传到临时目录
	Upload(filename string, reader io.Reader) (string, error)
	// 保存到正式目录
	Save(from string, to string) (string, error)
}

type Option func(o *Options)

type Options struct {
	Access
	Schema  string
	Context context.Context
}