function bodys($sUrl){$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $sUrl);curl_setopt($ch, CURLOPT_HEADER, TRUE);    //表示需要response headercurl_setopt($ch, CURLOPT_NOBODY, FALSE); //表示需要response bodycurl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);curl_setopt($ch, CURLOPT_FOLLOWLOCATION, FALSE);curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);curl_setopt($ch, CURLOPT_TIMEOUT, 120);$result = curl_exec($ch);if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == '200') {$headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);$header = substr($result, 0, $headerSize);$body = substr($result, $headerSize);return $body;}return NULL;}