常用的curl发包函数

1. function curl($url, $postFields = null)   
2.     {   
3.         $ch = curl_init();   
4.         curl_setopt($ch, CURLOPT_URL, $url);   
5.         curl_setopt($ch, CURLOPT_FAILONERROR, false);   
6.         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);   
7.    
8.         if (is_array($postFields) && 0 < count($postFields))   
9.         {   
10.             $postBodyString = "";   
11.             foreach ($postFields as $k => $v)   
12.             {   
13.                 $postBodyString .= "$k=" . urlencode($v) . "&";    
14.             }   
15.             unset($k, $v);   
16.             curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);     
17.             curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);    
18.             curl_setopt($ch, CURLOPT_POST, true);   
19.             curl_setopt($ch, CURLOPT_POSTFIELDS, substr($postBodyString,0,-1));   
20.         }   
21.         $reponse = curl_exec($ch);   
22.         if (curl_errno($ch)){   
23.             //throw new Exception(curl_error($ch),0);   
24.             ShowMsg("授权出错,请联系管理员","/");   
25.             exit();   
26.         }   
27.         else{   
28.             $httpStatusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);   
29.             if (200 !== $httpStatusCode){   
30.                 //throw new Exception($reponse,$httpStatusCode);   
31.                 ShowMsg("授权出错,请联系管理员","/");   
32.                 exit();   //phpfensi.com 
33.             }   
34.         }   
35.         curl_close($ch);   
36.         return $reponse;   
37.     }