模拟POST方法提交表单三个要点
- 声明是post方法
curl_setopt($curl,CURLOPT_POST,1);
- 表单提交的数据
$data = "username=zhangsan&sex=male";
curl_setopt($curl,CURLOPT_POSTFIELDs,$data);
- POST提交的头信息
curl_setopt($curl,CURLOPT_HTTPHEADER,array("application/x-www-form-urlencoded;charset=utf-8","Content-length:".strlen($data)));