<?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' ?>