PHP curl几个实例
1 <?php 2 3 //先学习一个简单的CURL,抓取无访问控制文件 4 //初始化curl,相当于一个句柄 5 $curl = curl_init(); 6 7 //设置你要抓取的网页 8 curl_setopt($curl,CURLOPT_URL,"http://www.baidu.com"); 9 10 //设置header,1头部可见,0头部不可见 11 curl_setopt($curl,CURLOPT_HEADER,1); 12 13 //设置返回状态,1返回到字符串,0返回到屏幕 14 curl_setopt($curl,CURLOPT_RETURNTRANSFER,1); 15 16 //执行curl 17 $data = curl_exec($curl); 18 19 if(!file_exists('2.txt')){ 20 touch("2.txt"); 21 }else{ 22 file_put_contents('2.txt',$data); 23 } 24 25 curl_close($curl); 26 27 //直接file_get_contents就能抓取没有访问控制的文件 28 //echo file_get_contents("http://www.baidu.com/"); 29 30 $data = array( 31 'practise' => 'curl', 32 ); 33 //接下来学习一下post提交数据 34 $curl = curl_init(); 35 36 //提交url的地址,将表单提交到post.php上 37 curl_setopt($curl,CURLOPT_URL,'127.0.0.1/post.php'); 38 39 curl_setopt($curl,CURLOPT_POST,true); 40 41 curl_setopt($curl,CURLOPT_POSTFIELDS,$data); 42 43 curl_exec($curl); 44 45 /* 46 <?php 47 if($_POST){ 48 echo "<pre>"; 49 print_r($_POST); 50 echo "</pre>"; 51 } 52 ?> 53 result: 54 Array 55 ( 56 [practise] => curl 57 ) 58 */ 59 60 //接下来我们学习一下,代理服务器 61 $ch = curl_init(); 62 curl_setopt($ch, CURLOPT_URL, 'url'); //url设置为你要访问的地址 63 curl_setopt($ch, CURLOPT_HEADER, 1); 64 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 65 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1); 66 curl_setopt($ch, CURLOPT_PROXY, '****'); //代理IP地址 67 curl_setopt($ch, CURLOPT_PROXYUSERPWD, 'user:password'); 68 $data = curl_exec(); 69 curl_close($ch); 70 71 72 ?>