實例代碼記錄：
<script type="text/javascript"> function start_sms_button(obj){ var count = 1 ; var sum = 30; var i = setInterval(function(){ if(count > 10){ obj.attr('disabled',false); obj.val('發送驗證碼'); clearInterval(i); }else{ obj.val('剩餘'+parseInt(sum - count)+'秒'); } count++; },1000); } $(function(){ //發送驗證碼$('#send_sms').click(function(){ var phone_obj = $('input[name="phone"]'); var send_obj = $('input#send_sms'); var val = phone_obj.val(); if(val){ if(IsMobile(val)){ send_obj.attr('disabled',"disabled"); //30秒後重新啟動發送按鈕start_sms_button(send_obj); $.ajax({ url:'{#url_reset("index/sms")#}', data:{'mobile':val}, dataType:'json', type:'post', beforeSend:function(){ show_loading_body(); }, complete:function(){ show_loading_body(); }, success:function(data){ if(data.status!=undefined && (data.status == 'ok' || data.status == 'error')){ showMsg(data.msg); } } }); }else{ showMsg("手機號的格式錯誤"); } }else{ showMsg('手機號不能為空'); } }); });</script>