var regionId = [[REGION_FIELD]]; var regionHtml = [[REGION_TIPS]]; $(function () { {if !isset($data)} getRegion(0, 0); {/if} }); function getRegion(parent_id, level) { clearSon(level); var html = ''; $.post('/admin/pub/getRegion', {parent_id: parent_id, level: level}, function (result) { $.each(result, function (index, item) { html += '' }); $(regionId[level]).html(html); }); } function clearSon(level) { for(var i=level+1;i<=4;i++){ var html = ''; $(regionId[i]).html(html); } }