摘要：原理很簡單就是使用庫模擬工具類設置設置超時不能小于等于只需要設置一個秒的數量就可以設置代理設置代理端口設置來源頁面設置用戶代理模擬用戶使用的瀏覽器響應中是否顯示，表示顯示設置請求的參數或設置證書路徑模擬請求設置參數

原理很簡單,就是使用curl庫

ch = curl_init();
    }

    /**
     * 設置http header
     * @param $header
     * @return $this
     */
    public function setHeader($header) {
        if(is_array($header)){
            curl_setopt($this->ch, CURLOPT_HTTPHEADER  , $header);
        }
        return $this;
    }

    /**
     * 設置http 超時
     * @param int $time
     * @return $this
     */
    public function setTimeout($time) {
        // 不能小于等于0
        if($time <= 0) {
            $time = 5;
        }
        //只需要設置一個秒的數量就可以
        curl_setopt($this->ch, CURLOPT_TIMEOUT, $time);
        return $this;
    }


    /**
     * 設置http 代理
     * @param string $proxy
     * @return $this
     */
    public function setProxy($proxy) {
        if($proxy){
            curl_setopt ($this->ch, CURLOPT_PROXY, $proxy);
        }
        return $this;
    }

    /**
     * 設置http 代理端口
     * @param int $port
     * @return $this
     */
    public function setProxyPort($port) {
        if(is_int($port)) {
            curl_setopt($this->ch, CURLOPT_PROXYPORT, $port);
        }
        return $this;
    }

    /**
     * 設置來源頁面
     * @param string $referer
     * @return $this
     */
    public function setReferer($referer = ""){
        if (!empty($referer))
            curl_setopt($this->ch, CURLOPT_REFERER , $referer);
        return $this;
    }

    /**
     * 設置用戶代理
     * @param string $agent
     * @return $this
     */
    public function setUserAgent($agent = "") {
        if ($agent) {
            // 模擬用戶使用的瀏覽器
            curl_setopt($this->ch, CURLOPT_USERAGENT, $agent);
        }
        return $this;
    }

    /**
     * http響應中是否顯示header，1表示顯示
     * @param $show
     * @return $this
     */
    public function showResponseHeader($show) {
        curl_setopt($this->ch, CURLOPT_HEADER, $show);
        return $this;
    }


    /**
     * 設置http請求的參數,get或post
     * @param array $params
     * @return $this
     */
    public function setParams($params) {
        $this->httpParams = $params;
        return $this;
    }

    /**
     * 設置證書路徑
     * @param $file
     */
    public function setCainfo($file) {
        curl_setopt($this->ch, CURLOPT_CAINFO, $file);
    }


    /**
     * 模擬GET請求
     * @param string $url
     * @param string $dataType
     * @return bool|mixed
     */
    public function get($url, $dataType = "text") {
        if(stripos($url, "https://") !== FALSE) {
            curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, FALSE);
            curl_setopt($this->ch, CURLOPT_SSLVERSION, 1);
        }
        // 設置get參數
        if(!empty($this->httpParams) && is_array($this->httpParams)) {
            if(strpos($url, "?") !== false) {
                $url .= http_build_query($this->httpParams);
            } else {
                $url .= "?" . http_build_query($this->httpParams);
            }
        }
        // end 設置get參數
        curl_setopt($this->ch, CURLOPT_URL, $url);
        curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1 );
        $content = curl_exec($this->ch);
        $status = curl_getinfo($this->ch);
        curl_close($this->ch);
        if (isset($status["http_code"]) && $status["http_code"] == 200) {
            if ($dataType == "json") {
                $content = json_decode($content, true);
            }
            return $content;
        } else {
            return FALSE;
        }
    }




    /**
     * 模擬POST請求
     *
     * @param string $url
     * @param array $fields
     * @param string $dataType
     * @return mixed
     * 
     * HttpCurl::post("http://api.example.com/?a=123", array("abc"=>"123", "efg"=>"567"), "json");
     * HttpCurl::post("http://api.example.com/", "這是post原始內容", "json");
     * 文件post上傳
     * HttpCurl::post("http://api.example.com/", array("abc"=>"123", "file1"=>"@/data/1.jpg"), "json");
     */
    public function post($url, $dataType="text") {
        if(stripos($url, "https://") !== FALSE) {
            curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, FALSE);
            curl_setopt($this->ch, CURLOPT_SSLVERSION, 1);
        }
        curl_setopt($this->ch, CURLOPT_URL, $url);
        // 設置post body
        if(!empty($this->httpParams)) {
            if(is_array($this->httpParams)) {
                curl_setopt($this->ch, CURLOPT_POSTFIELDS, http_build_query($this->httpParams));
            } else if(is_string($this->httpParams)) {
                curl_setopt($this->ch, CURLOPT_POSTFIELDS, $this->httpParams);
            }
        }
        // end 設置post body
        curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt($this->ch, CURLOPT_POST, true);
        $content = curl_exec($this->ch);
        $status = curl_getinfo($this->ch);
        curl_close($this->ch);
        if (isset($status["http_code"]) && $status["http_code"] == 200) {
            if ($dataType == "json") {
                $content = json_decode($content, true);
            }
            return $content;
        } else {
            return FALSE;
        }
    }
}

echo (new HttpCurl())->setParams(["name" => "dfh", "age" => 12])->get("http://www.test.com");