asp中文数字验证码

复制代码 代码如下:
<form method="post" name=myform>
姓　名：<input type="text" name="name" value=""><br>
学　号：<input type="text" name="num" value=""><br>
。。。：<input type="text" name="aaa" value=""><br>
。。。：<input type="text" name="bbb" value=""><br>
验证码：<img src="/UploadFiles/2021-04-02/c.asp"><input type="text" size="5" name="C" autocomplete="off" style="ime-mode:disabled;" value="">
<input type="submit" value="提交">
</form>

asp代码：
复制代码 代码如下:
<%
c = Request.form("c")
'如果可以输入小写的数字，请把下面三行注释掉
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 ("验证码不正确")
Response.end
end if
%>