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使用PHP模拟ajax请求的源代码

时间:2021-07-01 10:21:17 帮助过:27人阅读

我已经试过了,非常好用。

/**
 * 构造ajax请求,不支持https
 */functionajax_http_request($url, $data = array(), $type = "post", $params = array(), $accept = "", $ua = "", $referer = "", $file = false)
{$http = strtolower(substr($url, 0, 7));
    $type = strtolower($type);

    $url_params = parse_url($url);

    if (!$url_params) {
        echo'url错误';
        returnfalse;
    }

    $hostip = gethostbyname($url_params['host']);

    if (!$hostip) {
        echo'无法访问服务器';
        returnfalse;
    }

    $fp = fsockopen($url_params['host'], 80, $errno, $errstr, 30);

    if (!$fp) {
        echo"$errstr ($errno)
"
; returnfalse; } $query_string = http_build_query($data); if ($type == 'post') { $out = 'POST '.$url_params['path']." HTTP/1.1\r\n"; } else { if (strpos($url, '?') != false) { $path = $url .'&'.$query_string; } else { $path = $url . '?'.$query_string; } $out = 'GET '.$path.' HTTP/1.1'."\r\n"; } $out .= 'Host: '.$url_params['host']."\r\n"; $out .= "Connection: Close\r\n"; if ($type == 'post') { if ($file) { $out .= ("Content-Type: multipart/form-data\r\n"); // ajax文件上传暂时没有此功能 } else { $out .= ("Content-Type: application/x-www-form-urlencoded\r\n"); } $out .= ("Content-Length: ".strlen($query_string)."\r\n"); } if (isset($ua)) { $out .= ('User-Agent: '.$ua."\r\n"); } else { $out .= ("User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 Safari/537.36\r\n"); } if (isset($referer)) { $out .= ('Referer: http://'.$url_params['host'].'/'.$referer."\r\n"); } else { $out .= ('Referer: http://'.$url_params['host']."\r\n"); } $out .= ("Origin: http://".$url_params['host']."\r\n"); $out .= ("X-Requested-With: XMLHttpRequest\r\n"); $out .= ("Accept:application/json, text/javascript, */*\r\n"); $out .= "Accept-Language:zh-CN,zh;q=0.8,en;q=0.6\r\n\r\n"; if ($type == 'post') { // 接下来是消息体信息$out .= $query_string; } fwrite($fp, $out); $output = ""; while (!feof($fp)) { $output .= fgets($fp, 128); } fclose($fp); $result = explode("\r\n\r\n", $output); $result = explode("\r\n",$result[1]); array_pop($result); array_shift($result); return implode("\r\n", $result); }

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