func lengthen(url string) (string, error) {
svc, _ := urlshortener.New(http.DefaultClient)
res, err := svc.Url.Get(url).Do()
if err != nil {
return "", err
}
return res.LongUrl, err
}
func shorten(url string) (string, error) {
// 使用http中的default client创建一个新的 urlshortener 实例
svc, _ := urlshortener.New(http.DefaultClient)
res, err := svc.Url.Insert(&urlshortener.Url{LongUrl: url}).Do()
if err != nil {
return "", err
}
return res.Id, err
}