<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>js test</title> <script> /* 時間倒計時插件 TimeDown.js */ function TimeDown(id, endDateStr,times) { //結束時間 var endDate = new Date(endDateStr); //當前時間 var nowDate = new Date(); //相差的總秒數 var totalSeconds = parseInt((endDate - nowDate) / 1000); //天數 var days = Math.floor(totalSeconds / (60 * 60 * 24)); //取模(餘數) var modulo = totalSeconds % (60 * 60 * 24); //小時數 var hours = Math.floor(modulo / (60 * 60)); modulo = modulo % (60 * 60); //分鐘 var minutes = Math.floor(modulo / 60); //秒 var seconds = modulo % 60; //輸出到頁面 document.getElementById(id).innerHTML = "還剩:" + days + "天" + hours + "小時" + minutes + "分鐘" + seconds + "秒"; //延遲一秒執行本身 if(times>minutes && minutes!=0){ times--; //修改數據庫時間 console.log("寫入數據庫數據:" + times); }
setTimeout(function () {
//15分鐘結束後暫停倒計時
if(minutes>=0){
TimeDown(id,endDateStr,times);
} }, 1000)
} </script> </head> <body> <form id="form1" runat="server"> <div id="show"> </div> <script type="text/javascript"> var times = 15; //獲取當前時間 var date = new Date(); //修改分鐘 date.setMinutes(date.getMinutes()+times); TimeDown("show",date,times); </script> </form> </body> </html>