<script>
$(function () {
$(".input_submit").click(function (e) {
var type = $('#type').val();
if (type == 0) {
alert('请选择分类再提交');
return false;
}
});
});
</script>
<div class="input_box">
<div class="input_box_title">所属分类</div>
<select id="type" class="input_box_select" name="info[type]">
<option value="0">默认分类</option>
{loop $types $v}
<option value="{$v['id']}">{$v['name']}</option>
{/loop}
</select>
</div>
<tr>
<td class="label">商品是否赠送积分</td>
<td id="flag"><select name="goodsJf" id="test" onchange="gradeChange()">
<option value="0">请选择...</option>
<option value="1">普通商品</option>
<option value="2">积分商品</option>
</select></td>
</tr>
<script>
function gradeChange(){
var objS = document.getElementById("test");
var value = objS.options[objS.selectedIndex].value;
if(value==2){
var oTest = document.getElementById("flag");
var newNode = document.createElement("span");
newNode.innerHTML = ' <input id="flag2" type="text" placeholder="请输入商品积分">';
oTest.appendChild(newNode);
}
else {
var elem=document.getElementById('flag2');
elem.parentNode.removeChild(elem)
}
}
</script>