default.aspx
来自「Asp.net简单实现一个复杂的验证码」· ASPX 代码 · 共 25 行
ASPX
25 行
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ComplexValide._Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>复杂验证码</title>
<script type="text/javascript">
function ShowValidImage() {
var numkey = Math.random();
document.getElementById("imgRandom").src = "/ValidCode.aspx?NumKey="+numkey;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<img id="imgRandom" alt="看不清?点击更换" onclick="ShowValidImage()" src="/ValidCode.aspx?" title="看不清?点击更换" />
</div>
</form>
</body>
</html>
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