PHP之cURL（爬虫）

public static function SendDataByCurl($url,$data=array()){
    //对空格进行转义
    $url = str_replace(' ','+',$url);
    $ch = curl_init();
    //设置选项，包括URL
    curl_setopt($ch, CURLOPT_URL, "$url");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch,CURLOPT_TIMEOUT,30);  //定义超时30秒钟
    curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 );
    // POST数据
    curl_setopt($ch, CURLOPT_POST, 1);
    // 把post的变量加上
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));//所需传的数组用http_bulid_query()函数处理一下
    //执行并获取url地址的内容
    $output = curl_exec($ch);
    $errorCode = curl_errno($ch);
    $httpCode = curl_getinfo($ch,CURLINFO_HTTP_CODE);
    if($httpCode != 200) {
        $msg = 'curl访问错误';
        Common::recordLogs(333, $errorCode,$msg);
    }
    //释放curl句柄
    curl_close($ch);
    if(0 !== $errorCode) {
        return false;
    }
    return $output;
}