<input type="button" id="submit" value="提交">
<script>$(document).ready(function(){ $("#submit").click(function(){ var nowTime = new Date().getTime(); var clickTime = $(this).attr("ctime"); if( clickTime != ‘undefined‘ && (nowTime - clickTime < 5000)){ alert(‘操作过于频繁，稍后再试‘); return false; }else{ $(this).attr("ctime",nowTime); alert(‘提交成功‘); } }); });</script>原文：http://www.cnblogs.com/pengchengzhong/p/6438625.html