asp中文数字验证码

　　<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="vcode/c.asp" onclick="this.src=this.src" title="点击图片可以更改验证码" 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>

　　<%

　　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

　　%>