<script src="http://libs.baidu.com/jquery/1.11.3/jquery.min.js"></script> <script> function clickButton(obj){ var obj = $(obj); obj.attr("disabled","disabled"); var time = 60; var set=setInterval(function(){ obj.val(--time+"(s)"); }, 1000); setTimeout(function(){ obj.attr("disabled",false).val("重新获取验证码"); clearInterval(set); }, 60000); } </script> <style type="text/css"> .mybtn { width:120px; height:40px; float:left; color: white; background-color: #3498db; border-radius: 6px; text-align: center; text-decoration: none; } </style> <input type="button" class="mybtn" value="获取验证码" onclick="clickButton(this)" /> 有任何疑问请点击留言: 留言板
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