<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery表单获取短信验证码代码</title>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript">
$(function () {
//获取短信验证码
var validCode=true;
$(".msgs").click (function () {
var time=30;
var code=$(this);
if (validCode) {
validCode=false;
code.addClass("msgs1");
var t=setInterval(function () {
time--;
code.html(time+"秒");
if (time==0) {
clearInterval(t);
code.html("重新获取");
validCode=true;
code.removeClass("msgs1");
}
},1000)
}
})
})
</script>
<style type="text/css">
form{margin:200px auto;width:500px;}
label{font-size:14px;color:#555;line-height:40px;margin-right:10px;}
input{width:212px;height:38px;border-style:none;padding:0 4px;border:1px solid #C8C8C8;margin-right:10px;outline:none;}
.msgs{display:inline-block;width:104px;color:#fff;font-size:12px;border:1px solid #0697DA;text-align:center;height:30px;line-height:30px;background:#0697DA;cursor:pointer;}
form .msgs1{background:#E6E6E6;color:#818080;border:1px solid #CCCCCC;}
</style>
</head>
<body>
<form>
<label style="float:left;">验 证 码</label>
<input type="text" class="c_code_msg" style="margin-right: 10px;">
<span class="msgs">获取短信验证码</span>
</form>
</body>
</html>
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