PHP获取指定地区的天气

<?php //获取天气
     $url = 'http://m.weather.com.cn/data/';  
     $id = '101181101';  //焦作的代号
     $data = file_get_contents($url . $id .'.html');  

  $obj=json_decode($data);
 echo $obj->weatherinfo->city.'：'.$obj->weatherinfo->weather1.' '.$obj->weatherinfo->temp1;

$url = 'http://m.weather.com.cn/data/';  
     $id = '101181101';  //焦作的代号
     $data = file_get_contents($url . $id .'.html');

$data = file_get_contents('http://m.weather.com.cn/data/101181101.html');

$obj=json_decode($data);

echo $obj->weatherinfo->city.'：'.$obj->weatherinfo->weather1.'  '.$obj->weatherinfo->temp1;

$obj->weatherinfo->city //城市
$obj->weatherinfo->weather1 //今天的天气
$obj->weatherinfo->temp1 //今天的气温

<?php include 'weather.php' ?>