<META HTTP-EQUIV= "Cache-Control " CONTENT= "no-cache ">
<META HTTP-EQUIV= "Expires " CONTENT= "0 ">
</head>
<body>
<%
String rand = (String)session.getAttribute( "validateCode ");
String input = request.getParameter( "rand ");
%>
系统产生的认证码为: <%=rand%> <br>
您输入的认证码为: <%=input%> <br>
<br>
<%
if (rand.equals(input)){
%>
<font color=green> 输入相同,认证成功 </font>
<%
} else {
%>
<font color=red> 输入不同,认证失败! </font>
<%
}
%>
</body>
</html>
------解决方案--------------------收下了
------解决方案--------------------支持!