发一个天气预报接口

      发一个天气预报接口，通过google的接口来获取天气预报信息。

        

1. <?php
2. header("Content-type:text/html;charset=utf-8");
3. set_time_limit(0);
4. $city='beijing';//城市代码
6. $HTTP_Server="www.google.com";
7. $HTTP_URL='/ig/api?hl=zh-cn&weather='.$city;
8. $ch = curl_init();
9. curl_setopt ($ch,CURLOPT_URL,"http://".$HTTP_Server.$HTTP_URL);
10. curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
11. curl_setopt($ch,CURLOPT_USERAGENT,"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)");
12. $res = curl_exec($ch);
13. curl_close ($ch);
14. $data=simplexml_load_string($res);
15. $a = $data->weather->current_conditions->condition[0][data];
16. $b = $data->weather->current_conditions->humidity[0][data];
17. $c = $data->weather->current_conditions->wind_condition[0][data];
18. $w = $a."   ".$b.$c;
20. $ss = date('Y年m月d日');
21. $weekarray=array("日","一","二","三","四","五","六");
22. $aa = "星期".$weekarray[date("w")];
23. echo $str = $ss ." ".$aa."  ".$w;
25. ?>