// 設置cookie在當天指定時間點過期并提示function setCookie(name,value,Deadline,callback){// 獲取當前日期對象var curDate = new Date();// 獲取當前日期對應的時間戳var curTime = curDate.getTime();// 獲取指定時間的時間戳var endTime = convertTime(curDate,Deadline);// 計算出指定時間與當前時間的時間差var disTime = endTime - curTime;// 設置cookie過期時間document.setCookie = name + '=' + value + ';expires=' + disTime;// 在指定時間到達后執行回調setTimeout(callback,disTime);}setCookie('name','value','24:00:00',function(){alert('cookie過期了');});// 獲取指定時間的時間戳function convertTime(nowDate,Deadline){// 分割參數Deadlinevar _dateArr = Deadline.split(':');// 分別獲取參數中對應的時、分、秒var hours = parseInt(_dateArr[0]);var minutes = parseInt(_dateArr[1]);var seconds = parseInt(_dateArr[2]);// 設置對應時分秒nowDate.setHours(hours); nowDate.setMinutes(minutes); nowDate.setSeconds(seconds);// 獲取當前天中指定時分秒對應的毫秒數var result = Date.parse(nowDate);return result;}

function setCookie(name,value,days){//設置cookievar d = new Date();d.setTime(d.getTime() + (days*24*60*60*1000));var expires = "expires="+d.toUTCString();document.cookie = name + "=" + value + "; " + expires;}