<code>封装了一个curl抓取网页的函数,在本地测没问题;放到测试服务器上后,如果通过浏览器访问 执行,大部分时候函数返回的HTTP状态码返回0,错误信息`Error:name lookup timed out`,极其偶像的情况下返回200成功;但如果直接在测试服务器上直接用命令行执行,100%成功。 代码如下:</code>
<code>static public function curlGet($url, $data = array(), $header = array(), $timeout = 3, $port = 80) { $is_ssl = substr($url, 0, 5) == 'https' ? 1 : 0; $ch = curl_init(); if (!empty($data)) { $data = is_array($data)?http_build_query($data): $data; $url .= (strpos($url,'?')? '&': "?") . $data; } curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET'); curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1); //是否抓取跳转后的页面 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); curl_setopt($ch, CURLOPT_POST, 0); //curl_setopt($ch, CURLOPT_PORT, $port); curl_setopt($ch, CURLOPT_HTTPHEADER, $header); curl_setopt($ch, CURLOPT_REFERER, $url); // curl_setopt($ch, CURLOPT_USERAGENT, self::url2useragent($url)); if($is_ssl){ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, true); // 从证书中检查SSL加密算法是否存在 } $result = array(); $result['result'] = curl_exec($ch); $result['http_code'] = curl_getinfo($ch,CURLINFO_HTTP_CODE); if (0 != curl_errno($ch)) { $result['error'] = "Error:\n" . curl_error($ch); } curl_close($ch); return $result; }</code>
<code>我个人感觉和代码应该关系不大,不知是哪的问题。望各路大神不吝赐教,指点迷津,不胜 感激。</code>
<code>封装了一个curl抓取网页的函数,在本地测没问题;放到测试服务器上后,如果通过浏览器访问 执行,大部分时候函数返回的HTTP状态码返回0,错误信息`Error:name lookup timed out`,极其偶像的情况下返回200成功;但如果直接在测试服务器上直接用命令行执行,100%成功。 代码如下:</code>
<code>static public function curlGet($url, $data = array(), $header = array(), $timeout = 3, $port = 80) { $is_ssl = substr($url, 0, 5) == 'https' ? 1 : 0; $ch = curl_init(); if (!empty($data)) { $data = is_array($data)?http_build_query($data): $data; $url .= (strpos($url,'?')? '&': "?") . $data; } curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET'); curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1); //是否抓取跳转后的页面 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); curl_setopt($ch, CURLOPT_POST, 0); //curl_setopt($ch, CURLOPT_PORT, $port); curl_setopt($ch, CURLOPT_HTTPHEADER, $header); curl_setopt($ch, CURLOPT_REFERER, $url); // curl_setopt($ch, CURLOPT_USERAGENT, self::url2useragent($url)); if($is_ssl){ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, true); // 从证书中检查SSL加密算法是否存在 } $result = array(); $result['result'] = curl_exec($ch); $result['http_code'] = curl_getinfo($ch,CURLINFO_HTTP_CODE); if (0 != curl_errno($ch)) { $result['error'] = "Error:\n" . curl_error($ch); } curl_close($ch); return $result; }</code>
<code>我个人感觉和代码应该关系不大,不知是哪的问题。望各路大神不吝赐教,指点迷津,不胜 感激。</code>
1.超時時間設定大點;
2.重啟伺服器;
3.檢查DNS是否正常
你伺服器抽風了