我正在实施 geonames 网络服务,如下所示:
$( "#loc_from" ).autocomplete({
source: function( request, response ) {
$.ajax({
url: "http://ws.geonames.org/searchJSON",
dataType: "jsonp",
data: {
featureClass: "P",
style: "full",
maxRows: 12,
name_startsWith: request.term,
searchlang: 'ES'
},
success: function( data ) {
response( $.map( data.geonames, function( item ) {
item.label = item.name + (item.adminName1 ? ", " + item.adminName1 : "") + ", " + item.countryName;
return item;
}));
}
});
},
minLength: 2,
select: function( event, ui ) {
ui.item.task = 'new_city';
$.post('/includes/router.php', ui.item , function(){
});
$('#id_loc').val(ui.item.gid);
//alert(ui.item.gid);
}
});
在 router.php 我有:
case 'new_city':
/* comprobar si exite */
$query = "SELECT geonameid FROM geonames";
if(count(cache_query($query))>0){
/* Its already in my database */
}else{
foreach ($_POST as $key => $value) {
check_field($key);
echo $key.': '.$value.'<br>';
}
}
/* si no existe, dar de alta*/
break;
因此,我希望该函数check_field($key)
检查 geonames.$key 字段是否存在并更改表并添加它。
那可能吗?(另外,你推荐这个吗?)