Kohana 与JQUERY实现连动

控制器 /**



ajax加载城市分类


*/
public function load_cities($id)
{
$id = (int) $id;
if (!$id) {
exit("{result:0,msg:‘错误的城市编号’}");
}
$cities = ORM::factory(‘city’);
$cats = $cities->where(‘province_id’,$id)->select_list(‘id’,’name’);
if (!count($cats)) {
$cats = array();
}
ksort($cats);
exit("{result:1,msg:".json_encode($cats)."}");
}

public function index() { //生成省市下拉列表 $provinces = ORM::factory(‘province’)->select_list(‘id’,’name’); $provinces[’’] = ‘未选择’; ksort($provinces); $this->template->provinces = $provinces; if ($data[‘province_id’]) { $cities = ORM::factory(’city’)->where(’province_id’,$data[‘province_id’])->select_list(’id’,’name’); } $cities[’’] = ‘未选择’; ksort($cities); $this->template->cities = $cities; $this->add_script(‘home/js/company/add.js?3’); } view


省
市

jquery


$(function() {
// ajax载入城市
$("#province_id").change(function() {
    var province_id = $(this).val();
    if (province_id != 0) {
        $.ajax({
            type : "POST",
            cache : true,
            url : "/admin/company/load_cities/" + province_id,
            dataType : "json",
            success : function(msg) {
                if (msg.result) {
                    $("#city_id")[0].options.length = 1;
                    for (var i in msg.msg) {
                        $("#city_id")[0].options.add(new Option(msg.msg[i],i));
                    }
                } else {
                    alert("操作失败，" + msg.msg);
                }
            }
        });
    } else {
        $("#city_id")[0].options.length = 1;
    }
});

});