CURL访问举例

<?php
 function request($url, $params = [], $requestMethod = 'GET', $jsonDecode = true, $headers = [])
    {
        $ci = curl_init();
        curl_setopt($ci, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
        curl_setopt($ci, CURLOPT_USERAGENT, '1001 Magazine v1');
        curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 10);
        curl_setopt($ci, CURLOPT_TIMEOUT, 10);
        curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
        curl_setopt($ci, CURLOPT_ENCODING, "");
        curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ci, CURLOPT_HEADER, FALSE);

        $requestMethod = strtoupper($requestMethod);
        switch ($requestMethod) {
            case 'POST':
                curl_setopt($ci, CURLOPT_POST, TRUE);
                if ($params) {
                    curl_setopt($ci, CURLOPT_POSTFIELDS, $params);
                } else {
                    curl_setopt($ci, CURLOPT_POSTFIELDS, ''); // Don't know why: if not set,  413 Request Entity Too Large
                }
                break;
            case 'DELETE':
                curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
                if ($params) {
                    $url = $url."?".$params;
                }
                break;
            case 'GET':
                if ($params) {
                    $sep = false === strpos($url, '?') ? '?' : '&';
                    $url .= $sep . http_build_query($params);
                }
                break;
            case 'PUT':
                if ($params) {
                    curl_setopt($ci, CURLOPT_CUSTOMREQUEST, "PUT");
                    curl_setopt($ci, CURLOPT_POSTFIELDS, $params);
                }
                break;
        }
        //$headers[] = "APIWWW: " . $_SERVER['REMOTE_ADDR'];
        curl_setopt($ci, CURLOPT_URL, $url);
        curl_setopt($ci, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ci, CURLINFO_HEADER_OUT, TRUE);

        $response = curl_exec($ci);
        $httpCode = curl_getinfo($ci, CURLINFO_HTTP_CODE);
        $return = [
            'httpcode' => $httpCode,
            'data' => $httpCode >= 300 ? $response : ($jsonDecode ? json_decode($response, true) : $response),
            'response' => $response
        ];
        //$httpInfo = curl_getinfo($ci);
        curl_close($ci);
        return $return;
    }

    $res = request('http://www.che168.com/Handler/ScriptCarList_V1.ashx?needData=1',[],'GET',false);

?>