Go Lang语言GET与POST的几种请求方式

/**golang几种post请求方式*参考:https://www.cnblogs.com/mafeng/p/7068837.html
*/package mainimport ("fmt""io/ioutil""log""net/http""net/url""regexp""strings"
)func main() {http_get("http://www.01happy.com/demo/accept.php?id=1")                   //http.Get的方式请求http_post("http://www.01happy.com/demo/accept.php", "name=cjb&id=100")    //http.post的方式请求http_PostForm("http://www.01happy.com/demo/accept.php")                   //http.PostForm方法http_do_get("http://www.01happy.com/demo/accept.php?id=1")                //http.do方法的GET方式进行请求http_do_post("http://www.01happy.com/demo/accept.php", "name=cjb&id=100") //http.do方法的POST方式进行请求http_do_get_proxy("https://2021.ip138.com/")                              //代理访问
}/** 1. http.Get的方式请求*/
func http_get(urls string) string {fmt.Println("----------1. http.Get的方式请求-------------")var res_html string = ""resp, err := http.Get(urls)if err != nil {fmt.Println("http get error", err)}defer resp.Body.Close() //函数结束时关闭Body
body, err := ioutil.ReadAll(resp.Body)if err != nil {fmt.Println("read error", err)}res_html = string(body)fmt.Println("返回结果:", res_html)return res_html
}/** 2. http.post的方式请求* 使用这个方法的话，第二个参数要设置成”application/x-www-form-urlencoded”，否则post参数无法传递*/
func http_post(urls, data string) string {fmt.Println("----------2. http.post的方式请求-------------")var res_html string = ""resp, err := http.Post(urls,"application/x-www-form-urlencoded",strings.NewReader(data))if err != nil {fmt.Println("http get error", err)}defer resp.Body.Close() //函数结束时关闭Body
body, err := ioutil.ReadAll(resp.Body)if err != nil {fmt.Println("read error", err)}res_html = string(body)fmt.Println("返回结果:", res_html)return res_html
}/** 3. http.PostForm方法*/
func http_PostForm(urls string) string {fmt.Println("----------2. http.PostForm的方式请求-------------")var res_html string = ""resp, err := http.PostForm(urls, url.Values{"key": {"Value"}, "id": {"123"}})if err != nil {fmt.Println("http from post error", err)}defer resp.Body.Close() //函数结束时关闭Body
body, err := ioutil.ReadAll(resp.Body)if err != nil {fmt.Println("read error", err) // handle error
    }res_html = string(body)fmt.Println("返回结果:", res_html)return res_html
}/** 4. http.do方法的GET方式进行请求* 有时需要在请求的时候设置Header、cookie, 请求体、代理、证书验证等参数之类的数据，就可以使用http.Do方法。*/
func http_do_get(urls string) string {fmt.Println("----------4. http.do方法的GET方式进行请求-------------")var res_html string = ""httpClient := &http.Client{}req, err := http.NewRequest("GET", urls, nil) //GET方式提交数据if err != nil {fmt.Println("http do get error", err)}sp_host := strings.Split(urls, "//")[1]host := strings.Split(sp_host, "/")[0]req.Header.Set("Host", host)req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0")req.Header.Set("Content-Type", "application/x-www-form-urlencoded")req.Header.Set("Connection", "keep-alive")res, err := httpClient.Do(req) //发送请求if err != nil {log.Fatalln("Fail: The web address cannot be accessed!\n") //网址打不开时提示错误信息！
    }defer res.Body.Close() //函数结束时关闭Body
body, err := ioutil.ReadAll(res.Body)if err != nil {fmt.Println("read error", err)}res_html = string(body)fmt.Println("返回结果:", res_html)return res_html
}/** 5. http.do方法的POST方式进行请求* 有时需要在请求的时候设置Header、cookie, 请求体、代理、证书验证等参数之类的数据，就可以使用http.Do方法。*/
func http_do_post(urls, data string) string {fmt.Println("----------5. http.do方法的POST方式进行请求-------------")var res_html string = ""httpClient := &http.Client{}req, err := http.NewRequest("POST", urls, strings.NewReader(data)) //POST方式提交数据if err != nil {fmt.Println("http do post error", err)}sp_host := strings.Split(urls, "//")[1]host := strings.Split(sp_host, "/")[0]req.Header.Set("Host", host)req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0")req.Header.Set("Content-Type", "application/x-www-form-urlencoded")req.Header.Set("Connection", "keep-alive")res, err := httpClient.Do(req) //发送请求if err != nil {log.Fatalln("Fail: The web address cannot be accessed!\n") //网址打不开时提示错误信息！
    }defer res.Body.Close() //函数结束时关闭Body
body, err := ioutil.ReadAll(res.Body)if err != nil {fmt.Println("read error", err)}res_html = string(body)fmt.Println("返回结果:", res_html)return res_html
}/** 6. http.do方法的GET方式进行请求并设置代理访问* 有时需要在请求的时候设置Header、cookie, 请求体、代理、证书验证等参数之类的数据，就可以使用http.Do方法。*/
func http_do_get_proxy(urls string) string {fmt.Println("----------6. http.do方法的GET方式进行请求并设置代理访问-------------")var res_html string = ""//设置代理proxyURL, _ := url.Parse("http://127.0.0.1:10809")trans := &http.Transport{Proxy: http.ProxyURL(proxyURL),}httpClient := &http.Client{Transport: trans,}req, err := http.NewRequest("GET", urls, nil)if err != nil {fmt.Println("http do post error", err)}sp_host := strings.Split(urls, "//")[1]host := strings.Split(sp_host, "/")[0]req.Header.Set("Host", host)req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0")req.Header.Set("Content-Type", "application/x-www-form-urlencoded")req.Header.Set("Connection", "keep-alive")res, err := httpClient.Do(req) //发送请求if err != nil {log.Fatalln(err) //网址打不开时提示错误信息！
    }defer res.Body.Close() //函数结束时关闭Body
body, err := ioutil.ReadAll(res.Body)if err != nil {fmt.Println("read error", err)}//正则匹配返回结果中的的IP信息reg, _ := regexp.Compile("您的iP地址是：\\[.+?\\]")sproxy := reg.FindString(string(body))res_html = string(body)fmt.Println("使用代理后你的IP地址是:", sproxy) //打印//fmt.Println("返回结果:", res_html)return res_html
}