| 
 作者:    freemouse 
     主页:    www.cnphp.info 
     接口demo: http://www.*cn*p*hp.info/tianqi 
     用法: 可以直接调用上面的地址会显示当地的天气信息,也可以这样用 
    http://www.*cn*p*hp.info/tianqi/?q=江苏省南京市 
    **/ 
    $p = $_get['q'];  
    $k = 0;  
    $encoding = mb_detect_encoding($p);  
    if($encoding != "utf-8"){  
        $p = mb_convert_encoding($p,"utf-8","gbk");  
    }  
    $p_arr = array(  
       "01" => "北京",  
      "02" => "上海",  
      "03" => "天津",  
      "04" => "重庆",  
      "05" => "黑龙江",  
      "06" => "吉林",  
      "07" => "辽宁",  
      "08" => "内蒙古",  
      "09" => "河北",  
      "10" => "山西",  
      "11" => "陕西",  
      "12" => "山东",  
      "13" => "新疆",  
      "14" => "西藏",  
      "15" => "青海",  
      "16" => "甘肃",  
      "17" => "宁夏",  
      "18" => "河南",  
      "19" => "江苏",  
      "20" => "湖北",  
      "21" => "浙江",  
      "22" => "安徽",  
      "23" => "福建",  
      "24" => "江西",  
      "25" => "湖南",  
      "26" => "贵州",  
      "27" => "四川",  
      "28" => "广东",  
      "29" => "云南",  
      "30" => "广西",  
      "31" => "海南",  
      "32" => "香港",  
      "33" => "澳门",  
      "34" => "台湾" 
    );  
   
    function find(&$item,$key,$data){  
        global $k;  
        if(preg_match("/$item/u",$data)){  
           $k = $key;  
        }  
    }  
   
    function get_data_arr($key){  
        if(!file_exists("./data/city{$key}.xml")){  
            $c =file_get_contents( "http://m.we*ather.*c*om.cn/data5/city{$key}.xml" );  
            file_put_contents("./data/city{$key}.xml",$c);  
        }  
        else{  
            $c = file_get_contents("./data/city{$key}.xml");  
        }  
       $arr = explode(",",$c);  
       foreach($arr as $v){  
           $data = explode("|",$v);  
           $ret[$data[0]] = $data[1];  
       }  
       return $ret;  
    }  
   
    array_walk($p_arr,'find',$p);  
    array_walk(get_data_arr($k),'find',$p);  
    array_walk(get_data_arr($k),'find',$p);  
    $ccode = get_data_arr($k);  
    echo file_get_contents("http://m.w*eather*.*com.cn/data/{$ccode[$k]}.html"); 
 |