//HTML
<form method="post" action="{:U('Home/Qrcode/alldel')}" name="form1" id="form1" οnsubmit="return confirm('确定要全部删除吗?');"><form method="post" action="{:U(
//HTML
<form method="post" action="{:U('Home/Qrcode/alldel')}" name="form1" id="form1" οnsubmit="return confirm('确定要全部删除吗?');"><form method="post" action="{:U(