jQuery+google weather API轻松实现天气地图（二）
三水清 2009-10-19 10:15:31
原理：通过来输入的关键词查询出城市的经纬度，然后调用google的weather接口，查出城市的天气情况，根据xml解析出来的结果返货json格式，便于代码的传输~！
这里我使用的是MapBar的地图免费API，其他的如：Google 就不做说明了～方法类似～截图如下：
现在把Mysql.php的全部代码，使用了simpleXML对Google返回的数据进行解析：
PS：关于各个城市的经纬度数据，请阅览：全国各省市，县级城市经纬度SQL数据以及js数组
<?php include("conn.php"); $strsql="select * from latlon where name=’".$_GET['city']."’"; $result=mysql_db_query($mysql_database, $strsql, $conn); // u83b7u53d6u67e5u8be2u7ed3u679c,1 = name 2= latlon 3=weidu 4 = jingdu $row=mysql_fetch_row($result); mysql_data_seek($result, 0); $row=mysql_fetch_row($result); if(empty($row[1])){ $re =array( "noCity"=>"no data", "yes"=>0, ); echo ""; }else{ $nlatlon= $row[4].’,’.$row[3]; $back=$row[3]*1000000 .$row[4]*1000000; $url=’http://www.google.com/ig/api?weather=,,,’.$back; $xml = simplexml_load_file($url); $re=array( "yes"=>1, "today" =>(string)($xml->weather->forecast_conditions[0]->condition['data']), "ssd"=>(string)($xml->weather->current_conditions->temp_c['data']), "sd"=>(string)($xml->weather->current_conditions->humidity['data']), "fx"=>(string)($xml->weather->current_conditions->wind_condition['data']), "icon"=>’http://www.google.com’.($xml->weather->forecast_conditions[0]->icon['data']), "week1" =>(string)($xml->weather->forecast_conditions[1]->day_of_week['data']), "week1zuidi" =>(int)((int)((string)($xml->weather->forecast_conditions[1]->low['data'])-32)/1.8+1), "week1zuigao" =>(int) ((int)((string)($xml->weather->forecast_conditions[1]->high['data'])-32)/1.8+1), "week1tianqi" =>(string)($xml->weather->forecast_conditions[1]->condition['data']), "week1icon" =>’http://www.google.com’.($xml->weather->forecast_conditions[1]->icon['data']), "week2" =>(string)($xml->weather->forecast_conditions[2]->day_of_week['data']), "week2zuidi" =>(int) ((int)((string)($xml->weather->forecast_conditions[2]->low['data'])-32)/1.8+1), "week2zuigao" =>(int) ((int)((string)($xml->weather->forecast_conditions[2]->high['data'])-32)/1.8+1), "week2tianqi" =>(string)($xml->weather->forecast_conditions[2]->condition['data']), "week2icon" =>’http://www.google.com’.($xml->weather->forecast_conditions[2]->icon['data']), "week3" =>(string)($xml->weather->forecast_conditions[3]->day_of_week['data']), "week3zuidi" =>(int) ((int)((string)($xml->weather->forecast_conditions[3]->low['data'])-32)/1.8+1), "week3zuigao" =>(int) ((int)((string)($xml->weather->forecast_conditions[3]->high['data'])-32)/1.8+1), "week3tianqi" =>(string)($xml->weather->forecast_conditions[3]->condition['data']), "week3icon" =>’http://www.google.com’.($xml->weather->forecast_conditions[3]->icon['data']), "nlatlon" =>$nlatlon, "googleurl"=>$url, ); } echo json_encode($re); mysql_free_result($result); mysql_close($conn); ?>
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