$url_yzm= 'http://jiaowu.zhbit.com/CheckCode.aspx';

$fp = fopen("CheckCode.gif","wb");   //验证码文件

$curl = curl_init();

curl_setopt($curl, CURLOPT_URL, $url_yzm);

curl_setopt($curl, CURLOPT_HEADER, 0);    //不读取http头，因为只要得到图片数据即可。

curl_setopt($curl, CURLOPT_COOKIEJAR, "cookie.txt");                  //保存cookie

curl_setopt($curl, CURLOPT_COOKIEFILE, "cookie.txt");                   //读取cookie

$data = curl_exec($curl);        //得到图片数据

fwrite($fp, $data);       //保存

fclose($fp);

$post_data= array (

"txtUserName" => "",

// 要上传的本地文件地址

"TextBox2" => "",

"txtSecretCode" => $data,

"RadioButtonList1" => "学生",

"hidsc" => "",

"hidPdrs" => "",

"Button1" => "登陆",

"Button2" => "",

"lbLanguage" => ""

);

$ch = curl_init();

$cookie_jar = tempnam('./tmp','cookie');

curl_setopt($ch, CURLOPT_URL,'http://jiaowu.zhbit.com/default2.aspx'); //地址

curl_setopt($ch, CURLOPT_POST, 1);

curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_HEADER, 0);

curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5');

curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1);

curl_setopt($ch, CURLOPT_NOBODY, false);

$out = curl_exec($ch);

curl_close($ch);

$ch0 = curl_init();

$url = "http://jiaowu.zhbit.com/xs_main.aspx?xh=".$post_data['txtUserName'];

curl_setopt($ch0, CURLOPT_URL,$url);

curl_setopt($ch0, CURLOPT_HEADER, 0);

curl_setopt($ch0, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch0, CURLOPT_FOLLOWLOCATION, 1);

curl_setopt($ch0, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5');

curl_setopt($ch0, CURLOPT_COOKIEFILE, $cookie_jar);

$orders = curl_exec($ch0);

echo $orders;

?>