PHP获取地名经纬座标(通过百度接口)，函数来源：梦行云软件

function get_address_gps_baidu($map_key,$address){ //地址名称转座标

    $url='http://api.map.baidu.com/geocoder/v2/?address='.$address.'&output=json&ak='.$map_key;

    $r=file_get_contents($url);

    $r=json_decode($r,1);

    return $r;

    //$r['result']['location']['lng'] $r['result']['location']['lat']

}