Thinkphp dwz 三级联动下拉菜单
Tpl\ComBox\index.html：
<h2 class="contentTitle">下拉菜单</h2><div class="pageContent" layoutH="56"> <select class="combox" name="province" ref="w_combox_city" refUrl="__URL__/returnCity/cityId/{value}"> <option value="all">所有省市</option> <option value="bj">北京</option> <option value="sh">上海</option> </select> <select class="combox" name="city" id="w_combox_city" ref="w_combox_area" refUrl="__URL__/returnArea/areaId/{value}"> <option value="all">所有城市</option> </select> <select class="combox" name="area" id="w_combox_area"> <option value="all">所有区县</option> </select></div>
Action\ComBoxAction.class.php：
<?php// 三级联动下拉菜单class ComBoxAction extends CommonAction { public function returnCity(){ $cityId = $_REQUEST['cityId']; if($cityId=='sh'){ $arrCity = array(array('all','所有城市'),array('sh','上海市')); }else if($cityId=='bj'){ $arrCity = array(array('all','所有城市'),array('bj','北京市')); }else{ $arrCity = array(array('all','所有城市')); } echo json_encode($arrCity); } public function returnArea(){ $areaId = $_REQUEST['areaId']; if($areaId=='sh'){ $arrArea = array(array('1','上海城市1'),array('2','上海城市2')); }else if($areaId=='bj'){ $arrArea = array(array('3','北京城市3'),array('bj','北京城市4')); }else{ $arrArea = array(array('all','所有城市')); } echo json_encode($arrArea); } }?>
