Method Draw

go/codegen/pai/explain_render.go:51–66

Draw returns the explain result(png) as HTML

()

// Draw returns the explain result(png) as HTML
func (expn *ExplainRender) Draw() (string, error) {
	osscli, e := oss.New(expn.endpoint, expn.ak, expn.sk)
	if e != nil {
		return "", e
	}
	bucket, e := osscli.Bucket(expn.bucket)
	if e != nil {
		return "", e
	}
	r, e := bucket.GetObject(expn.key)
	if e != nil {
		return "", e
	}
	defer r.Close()
	return readAsHTML(r)
}

func readAsHTML(r io.Reader) (string, error) {
	body, err := ioutil.ReadAll(r)