使用Golang进行HTTP的GET与POST请求

package common

import (
    "crypto/tls"
    "io/ioutil"
    "net/http"
    "net/url"
    "time"
    "strings"
)

//Get is a common http client for httpGet operations and hide UA as GoogleBot.
func Get(urls string) ([]byte, error) {

    req, err := http.NewRequest("GET", urls, nil)

    if err != nil {
        return nil, err
    }
    req.Header.Set("User-Agent", "Googlebot/2.1 (+http://www.google.com/bot.html)")

    client := getClient()
    resp, err := client.Do(req)

    if err != nil {
        return nil, err
    }

    defer resp.Body.Close()
    tempData, err := ioutil.ReadAll(resp.Body)

    if err != nil {
        return nil, err

    }

    return tempData, nil
}

func getClient() *http.Client {
    tr := &http.Transport{
        TLSClientConfig:    &tls.Config{InsecureSkipVerify: true},
        DisableCompression: true,
        DisableKeepAlives:  true,
    }
    client := &http.Client{
        Transport: tr,
        Timeout:   15 * time.Second,
    }
    return client
}

func RequestWithHeader(
    method string,
    url1 string,
    timeout int,
    header map[string]string,
    params map[string]string,
) ([]byte, error) {

    client := getClient()

    paramsA := ""
    if method == "POST" {
        values := url.Values{}
        for k, v := range params {
            values.Add(k, v)
        }
        paramsA = values.Encode()
    }

    req, _ := http.NewRequest(method, url1, strings.NewReader(paramsA))

    for k, v := range header {
        req.Header.Set(k, v)
    }

    if method == "POST" {
        req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    }

    if method == "GET" {
        values := req.URL.Query()
        for k, v := range params {
            values.Add(k, v)
        }
        req.URL.RawQuery = values.Encode()
    }

    getResp, err := client.Do(req)
    if err != nil {
        return nil, err
    }
    defer getResp.Body.Close()
    body, err := ioutil.ReadAll(getResp.Body)
    if err != nil {
        return nil, err
    }
    return body, nil
}