html代碼：

<form method="post" name=myform>
姓　名：<input type="text" name="name" value=""><br>
學　號：<input type="text" name="num" value=""><br>
。。。：<input type="text" name="aaa" value=""><br>
。。。：<input type="text" name="bbb" value=""><br>
驗證碼：<img src="vcode/c.asp" onclick="this.src=this.src" title="點擊圖片可以更改驗證碼" height="13" width="52">
<input type="text" size="5" name="C" autocomplete="off" style="ime-mode:disabled;" value="">
<input type="submit" value="提交">
</form>

asp代碼：

<%
c = Request.form("c")

'如果可以輸入小寫的數字，請把下面三行注釋掉
for ii = 0 to 9
c = Replace(c,Cstr(ii),"")
next

c = Replace(c,"零","0")
c = Replace(c,"一","1")
c = Replace(c,"二","2")
c = Replace(c,"三","3")
c = Replace(c,"四","4")
c = Replace(c,"五","5")
c = Replace(c,"六","6")
c = Replace(c,"七","7")
c = Replace(c,"八","8")
c = Replace(c,"九","9")

if Cstr(c) <> Cstr(session("validateCode")) then
Response.write ("驗證碼不正確")
Response.end
end if
%>