如下所示:
<!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"><meta charset="utf-8"><head><script src="jquery-2.1.4.min.js" type="text/javascript"></script><script type="text/javascript">var InterValObj; //timer變量,控制時間var count = 120; //間隔函數,1秒執行var curCount;//當前剩餘秒數function sendMessage() { curCount = count; //設置button效果,開始計時$("#btnSendCode").attr("disabled", "true"); $("#btnSendCode").val("請在" + curCount + "秒內輸入驗證碼"); InterValObj = window.setInterval(SetRemainTime, 1000); //啟動計時器,1秒執行一次//向後台發送處理數據$.ajax({ type: "POST", //用POST方式傳輸dataType: "text", //數據格式:JSON url: 'Login.ashx', //目標地址data: "dealType=" + dealType +"&uid=" + uid + "&code=" + code, error: function (XMLHttpRequest, textStatus, errorThrown) { }, success: function (msg){ } });}//timer處理函數function SetRemainTime() { if (curCount == 0) { window.clearInterval(InterValObj);//停止計時器$("#btnSendCode").removeAttr("disabled");//啟用按鈕$("#btnSendCode").val("重新發送驗證碼"); } else { curCount--; $("#btnSendCode").val("請在" + curCount + "秒內輸入驗證碼"); } }</script></head><body> <input id="btnSendCode" type="button" value="發送驗證碼" onclick="sendMessage()" /></p></body></html>以上這篇js發送短信倒計時的簡單實現方法就是小編分享給大家的全部內容了,希望能給大家一個參考,也希望大家多多支持武林網。