Golang HTTP要求代理

import (
	"net/http"
	u "net/url"
)

// http GET   
func HttpGetFromProxy(url, proxyURL string) (*http.Response, error) {
	req, _ := http.NewRequest("GET", url, nil)
	proxy, err := u.Parse(proxyURL)
	if err != nil {
		return nil, err
	}
	client := &http.Client{
		Transport: &http.Transport{
			Proxy : http.ProxyURL(proxy),
		},
	}
	return client.Do(req)
}