easyui--验证表单提交后才开始验证的方法--form

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	<form id="ff" method="post">
		<input class="easyui-validatebox" id="vv2" type="text" name="email"  ></input>
		 <div style="text-align:left;padding:5px">
	    	<a href="/go.html?url=javascript:void(0)" class="easyui-linkbutton" onclick="submitForm()">Submit</a>
	    </div>
	</form>
		<script>
		function submitForm(){
			$('#vv2').validatebox({
			    required: true,
			    validType: 'email'
			});
			$('#ff').form('submit');
		}
	</script>		<form id="ff" method="post">
		<input c