第一個日期：  日期： (月/日/年  方式)                        時間： (時:分:秒  方式) 第二個日期：  日期： (月/日/年  方式)                        時間： (時:分:秒  方式) 間隔時間：

鍵入兩個日期時間，這個腳本便能展示兩者之間相差的星期、天、時、分、秒。

安裝：

步驟一  拷貝以下代碼貼在網頁的<head>和</head>之間。

    
<SCRIPT LANGUAGE="JavaScript"> <!-- Begin function isValidDate(dateStr) { var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/; // requires 4 digit year var matchArray = dateStr.match(datePat); // is the format ok? if (matchArray == null) { alert(dateStr + "日期不符合方式。") return false; } month = matchArray[1]; // parse date into variables day = matchArray[3]; year = matchArray[4]; if (month < 1 || month > 12) { // check month range alert("月份必須介于1和12。"); return false; } if (day < 1 || day > 31) { alert("日子必須介于1和31。"); return false; } if ((month==4 || month==6 || month==9 || month==11) && day==31) { alert("錯了，"+month+"月份沒有31天！") return false; } if (month == 2) { // check for february 29th var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)); if (day>29 || (day==29 && !isleap)) { alert("錯了，" + year + "的二月份沒有 " + day + "這一天！"); return false; } } return true; } function isValidTime(timeStr) { // Time validation function courtesty of // Sandeep V. Tamhankar (stamhankar@hotmail.com) --> // Checks if time is in HH:MM:SS AM/PM format. // The seconds and AM/PM are optional. var timePat = /^(\d{1,2}):(\d{2})(:(\d{2}))?(\s?(AM|am|PM|pm))?$/; var matchArray = timeStr.match(timePat); if (matchArray == null) { alert("時間不符合方式。"); return false; } hour = matchArray[1]; minute = matchArray[2]; second = matchArray[4]; ampm = matchArray[6]; if (second=="") { second = null; } if (ampm=="") { ampm = null } if (hour < 0 || hour > 23) { alert("小時必須介于1和12。 (或介于 0 和 23 )"); return false; } if (hour <= 12 && ampm == null) { if (confirm("Please indicate which time format you are using. OK = Standard Time, CANCEL = Military Time")) { alert("必須注明上午 AM 或下午 PM。"); return false; } } if (hour > 12 && ampm != null) { alert("這個時間方式不能注明上午 AM 或下午 PM。"); return false; } if (minute < 0 || minute > 59) { alert ("分鐘必須介于0和59。"); return false; } if (second != null && (second < 0 || second > 59)) { alert ("秒鐘必須介于0和59。"); return false; } return true; } function dateDiff(dateform) { date1 = new Date(); date2 = new Date(); diff = new Date(); if (isValidDate(dateform.firstdate.value) && isValidTime(dateform.firsttime.value)) { // Validates first date date1temp = new Date(dateform.firstdate.value + " " + dateform.firsttime.value); date1.setTime(date1temp.getTime()); } else return false; // otherwise exits if (isValidDate(dateform.seconddate.value) && isValidTime(dateform.secondtime.value)) { // Validates second date date2temp = new Date(dateform.seconddate.value + " " + dateform.secondtime.value); date2.setTime(date2temp.getTime()); } else return false; // otherwise exits // sets difference date to difference of first date and second date diff.setTime(Math.abs(date1.getTime() - date2.getTime())); timediff = diff.getTime(); weeks = Math.floor(timediff / (1000 * 60 * 60 * 24 * 7)); timediff -= weeks * (1000 * 60 * 60 * 24 * 7); days = Math.floor(timediff / (1000 * 60 * 60 * 24)); timediff -= days * (1000 * 60 * 60 * 24); hours = Math.floor(timediff / (1000 * 60 * 60)); timediff -= hours * (1000 * 60 * 60); mins = Math.floor(timediff / (1000 * 60)); timediff -= mins * (1000 * 60); secs = Math.floor(timediff / 1000); timediff -= secs * 1000; dateform.difference.value = weeks + "星期" + days + "天" + hours + " 小時" + mins + "分 " + secs + "秒"; return false; // form should never submit, returns false } // End --> </script>

步驟二  拷貝以下代碼貼在網頁的<body>和</body>之間，您要展示它的部位。

    
<center> <form onSubmit="return dateDiff(this);"> <table border=1 bgcolor="#025B75" cellpadding=8> <tr><td> <pre> <font color="#FFFFFF">第一個日期：  日期：<input type=text name=firstdate value="" size=10 maxlength=10> (月/日/年  方式)                        時間：<input type=text name=firsttime value="" size=10 maxlength=10> (時:分:秒  方式) 第二個日期：  日期：<input type=text name=seconddate value="" size=10 maxlength=10> (月/日/年  方式)                        時間：<input type=text name=secondtime value="" size=10 maxlength=10> (時:分:秒  方式) <center><input type=submit value="算出間隔時間"> 間隔時間：<br> <input type=text name=difference value="" size=60> </center></font> </pre> </td></tr> </table> </form> </center>