/**
 * PHP发送请求获取数据
 * @param  [type] $url       [description]
 * @param  [type] $post_data [description]
 * @return [type] $result    [description]
 */
function send_post($url, $post_data) {
  $postdata = http_build_query($post_data);
  $options = array(
    'http' => array(
    'method' => 'POST',//or GET
    'header' => 'Content-type:application/x-www-form-urlencoded',
    'content' => $postdata,
    'timeout' => 15 * 60 // 超时时间（单位:s）
    )
  );
  $context = stream_context_create($options);
  $result = file_get_contents($url, false, $context);
  return $result;
}

//使用方法
$post_data = array(
  'username' => 'stclair2201',
  'password' => 'handan'
);
$result=send_post('http://localhost/ServiceProvider/index.php/Index/getService', $post_data);

function cutArticle($data) {
  $data=strip_tags($data);//去除html标记
  $pattern = "/&[a-zA-Z]+;/";//去除特殊符号
  $data=preg_replace($pattern,'',$data);
  $data = mb_strimwidth($data,0,150,'....','UTF-8');
  return $data;
}