<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0" />
//禁止表单重复提交
$(".df-menu1").attr("disabled","disabled");
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0" />
//禁止表单重复提交
$(".df-menu1").attr("disabled","disabled");