javascript点击才出现验证码- Javascript

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Javascript 中的 javascript点击才出现验证码

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-12 浏览: 242 ::

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JS查看对象功能代码 js实现双击单元格变成文本输入框效果代码

用javascript[js]实现的必须经过点击才能出现严重码效果代码

点击运行可以看到效果:

<%
if request("cur_action")="add" then
code=Request.Form("code")
if code=empty then
response.write "<script LANGUAGE='javascript'>alert('请输入验证码！');history.go(-1);</script>"
Session("GetCode")=empty
response.End()
elseif lcase(code)<>lcase(Session("GetCode")) then
response.write "<script LANGUAGE='javascript'>alert('您输入验证码出错！');history.go(-1);</script>"
Session("GetCode")=empty
response.End()
Else
Response.Write "<script>alert('登陆成功');history.back();</script>"
response.End()
end if
end if
%>
<form name="form" method="post" action="index.asp">
<SCRIPT LANGUAGE=javascript>
/*显示认证码 o start1*/
function get_Code() { var Dv_CodeFile = "http://www.ruanchen.com/";
//这个地方需要换车你网站实际的地址 if(document.getElementById("imgid")) document.getElementById("imgid").innerHTML = '<img src="'+Dv_CodeFile+'?t='+Math.random()+'" alt="点击刷新验证码" style="cursor:pointer;border:0;vertical-align:middle;height:18px;" />'
}
/*o end*/
</script>
<script language="JavaScript" type="text/javascript">
var dvajax_request_type = "GET";
</script>
<script language="JavaScript" src="dv_ajax.js" type="text/javascript"></script>
<tr> <td style="width:100px; text-align:right">验证码：</td> <td style="width:150px; text-align:left"> <input type="text" name="code" id="code" size="4" maxlength="4" tabindex="6" onfocus="get_Code();this.onfocus=null;" onkeyup="dv_ajaxcheck('checke_dvcode','code');" /> <span id="imgid" style="color:red">点击获取验证码</span><span id="isok_code"></span> <input name="cur_action" type="hidden" value="add"> <input name="提交" type="submit" id="提交"> </td>
</tr>
</form>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

JS查看对象功能代码 js实现双击单元格变成文本输入框效果代码

Javascript 中的 javascript点击才出现验证码

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