<form method="post" name="userForm" url="**">
<input class="easyui-combobox" name="rId" required="true" data-options="valueField:'id',textField:'text',url:'url'" />
<input type="submit" class="buttons" value="保存"/>
</form>
在chrome浏览器中会报:An invalid form control with name='' is not focusable.
将校验判断提前即可解决,修改如下
<form method="post" name="userForm" url="**">
<input class="easyui-combobox" name="rId" required="true" data-options="valueField:'id',textField:'text',url:'url'" />
<input type="button" class="buttons" value="保存" onclick="add()"/>
</form>
<script type="text/javascript">
function add(){
if ($('#userForm').form('validate')){
$('#userForm').submit();
}
}
</script>