代码如下 | 复制代码 |
define ('IS_PROXY', true );//是否启用代理 functionasync_get_url($url_array,$wait_usec= 0) { if(!is_array($url_array)) returnfalse; $wait_usec=intval($wait_usec); $data =array(); $handle=array(); $running= 0; $mh= curl_multi_init();// 开启多线程 $i= 0; foreach($url_arrayas$url) { $ch= curl_init(); if(IS_PROXY) { //以下代码设置代理服务器 //代理服务器地址http://www.cnproxy.com/proxy1.html !!Hong Kong, China的速度比较好 curl_setopt ($ch, CURLOPT_PROXY,'110.4.12.170:80'); } curl_setopt($ch, CURLOPT_URL,$url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);// return don't print curl_setopt($ch, CURLOPT_TIMEOUT, 30);//设置超时时间 curl_setopt($ch, CURLOPT_USERAGENT,'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)'); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);// 302 redirect curl_setopt($ch, CURLOPT_MAXREDIRS, 7);//HTTp定向级别 curl_multi_add_handle($mh,$ch);// 把 curl resource 放进 multi curl handler 里 $handle[$i++] =$ch; } /* 执行 */ do{ $mrc= curl_multi_exec($mh,$running); if($wait_usec> 0)/* 每个 connect 要间隔多久 */ usleep($wait_usec);// 250000 = 0.25 sec }while($mrc== CURLM_CALL_MULTI_PERFORM); while($running&&$mrc== CURLM_OK) { if(curl_multi_select($mh) != -1) { do{ $mrc= curl_multi_exec($mh,$running); }while($mrc== CURLM_CALL_MULTI_PERFORM); } } /* 读取资料 */ foreach($handleas$i=>$ch) { $content= curl_multi_getcontent($ch); $data[$i] = (curl_errno($ch) == 0) ?$content: false; } /* 移除 handle*/ foreach($handleas$ch) { curl_multi_remove_handle($mh,$ch); } curl_multi_close($mh); return$data; } $urls=array('http://map.baidu.com'); $re= async_get_url($urls); echo$re[0]; ?> |