如何使用脚本模仿登陆过程_PHP教程

  
    
    
  
  
    
    
  
  
    
  

name:
password:

        $postData = "username=your_name&password=your_password&Submit=Login";
        $posturl = "http://......../../login.jsp";

        $postUrl = parse_url($posturl);
        $host = $postUrl[host] ? $postUrl[host] : "";
        $port = $postUrl[port] ? $postUrl[port] : 80;
        $path = $postUrl[path] ? $postUrl[path] : "/";



        $fsp = fsockopen($host, $port, &$errno, &$errstr, 30);
        if(!$fsp){
                print "\nopen socket failed\n";
        }else{
                fwrite($fsp, "POST ".$path." HTTP/1.1\r\n");
                fwrite($fsp, "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*\r\n");
                fwrite($fsp, "Accept-Language: zh-cn\r\n");
                fwrite($fsp, "Content-Type: application/x-www-form-urlencoded\r\n");
                fwrite($fsp, "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon)\r\n");
                fwrite($fsp, "Host:".$host."\r\n");
                fwrite($fsp, "Content-Length: ".strlen($postData)."\r\n\r\n");
                fwrite($fsp, $postData);

                $resp = "";
                do{
                        if(strlen($out=fread($fsp, 1024)) == 0) break;
                        $resp .= $out;
                }while(true);

                echo "

".nl2br($resp);

                fclose($fsp);

        }
?>