时间操作（JavaScript版）—根据不同区时显示相应的时间
2014-05-29 20:58
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现在项目基本上告一段落了，难得有一定的闲暇，今天利用数小时完成了一个功能模块——根据不同区时显示相应的时间，这方面网上基本没有现成的例子，现在将代码粘贴如下： <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=GB2312" />
<title>根据不同区时显示相应的时间</title>
<script type="text/javascript">
<!-- Begin
function changeTZ() {
var selectedValue = document.getElementById("TZ").value;
var timeZone = selectedValue.split("*")[0];
var city = selectedValue.split("*")[1];
//console.log("所选城市:" + city + "、所选城市区时:" + timeZone);
var date = new Date();
var currentTimezone = -(date.getTimezoneOffset()/60);//当前区时
var timeDifference = currentTimezone - timeZone;//时差
console.log("当前区时:"+currentTimezone+"、时差:"+timeDifference);
var year = 0; //所选城市时间：年
var month = 0; //所选城市时间：月
var day = 0; //所选城市时间：日
var hour = 0; //所选城市时间：小时
var minute = 0;//所选城市时间：分钟
var second = 0;//所选城市时间：秒
var currentYear = date.getFullYear(); //当前时间：年
var currentMonth = date.getMonth()+1; //当前时间：月
var currentDay = date.getDate(); //当前时间：日
var currentHour = date.getHours(); //当前时间：小时
var currentMinute = date.getMinutes();//当前时间：分钟
var currentSecond = date.getSeconds();//当前时间：秒
second = currentSecond;
if(timeDifference.toString().split(".").length == 2){//所选城市区时为小数
var intVlaue = parseInt(timeDifference.toString().split(".")[0]);//获取整数部分
var floatVlaue = timeDifference - intVlaue;//获取小数部分
hour = currentHour- intVlaue;
minute = currentMinute - floatVlaue*60;
if(minute>=60){
hour = hour + 1;
minute = minute - 60;
}else if(minute < 0){
hour = hour - 1;
minute = 60 + minute;
}
//console.log("当前时间(小时):" + currentHour+"、所选城市时间(小时):"+hour);
}else{
hour = currentHour-timeDifference;
minute = currentMinute;
}
if(hour >= 24){
day = currentDay + 1;
hour = hour - 24;
}else if(hour >= 0 && hour < 24){
day = currentDay;
hour = hour;
}else if(hour < 0){
day = currentDay - 1;
hour = hour + 24;
}
if(currentMonth==1 || currentMonth==3 || currentMonth==5 || currentMonth==7 || currentMonth==8 || currentMonth==10 || currentMonth==12 ){//31天
if(day > 31){
if(currentMonth==12){
year = currentYear + 1;
month= 1;
day = day - 31;
}else{
year = currentYear;
month= currentMonth + 1;
day = day - 31;
}
}else if(day == 0){
if(currentMonth==1){
year = currentYear - 1;
month= 12;
day = 31;
}else{
year = currentYear;
month= currentMonth - 1;
if(month==4 || month==6 || month==9 || month==11){
day = 30;
}else if(month==2){
if((year % 400 == 0)||(year % 4 == 0)&&(year % 100 != 0)){//闰年
day = 29;
}else{//平年
day = 28;
}
}
}
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}
if(currentMonth==4 || currentMonth==6 || currentMonth==9 || currentMonth==11){//30天
if(day > 30){
year = currentYear;
month= currentMonth + 1;
day = day - 30;
}else if(day == 0){
year = currentYear;
month= currentMonth - 1;
day = 31;
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}
if(currentMonth==2){//28天或29天
year = currentYear;
if((year % 400 == 0)||(year % 4 == 0)&&(year % 100 != 0)){//闰年
if(day > 29){
year = currentYear;
month= currentMonth + 1;
day = day - 29;
}else if(day == 0){
year = currentYear;
month= 1;
day = 31;
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}else{//平年
if(day > 28){
year = currentYear;
month= currentMonth + 1;
day = day - 28;
}else if(day == 0){
year = currentYear;
month= 1;
day = 31;
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}
}
hour = ((hour <= 9) ? ("0" + hour) : hour);
minute = ((minute <= 9) ? ("0" + minute) : minute);
second = ((second <= 9) ? ("0" + second) : second);
Clock.innerHTML = city + "：" + year +"年"+ month +"月"+ day +"日 " + hour + ":" + minute + ":" + second;
setTimeout("changeTZ()", 1000);
}
// End -->
</script>
</head>
<body bgcolor="#ffffff" onLoad="javascript:changeTZ();">
<div id="Clock"></div>
<select style="font-size: 9pt;" onchange="changeTZ()" id="TZ">
<option value="-12*国际换日线">GMT-12</option>
<option value="-11*萨摩亚群岛">GMT-11</option>
<option value="-10*夏威夷">GMT-10</option>
<option value="-9*阿拉斯加">GMT-9</option>
<option value="-8*太平洋时间">GMT-8</option>
<option value="-7*美国山区">GMT-7</option>
<option value="-6*墨西哥">GMT-6</option>
<option value="-5*南美洲太平洋">GMT-5</option>
<option value="-4.5*加拉加斯">GMT-4.5</option>
<option value="-4*大西洋">GMT-4</option>
<option value="-3.5*纽芬兰">GMT-3.5</option>
<option value="-3*巴西利亚">GMT-3</option>
<option value="-2*大西洋中部">GMT-2</option>
<option value="-1*亚速尔">GMT-1</option>
<option value="0*格林尼治">GMT</option>
<option value="1*罗马">GMT +1</option>
<option value="2*以色列">GMT +2</option>
<option value="3*莫斯科">GMT +3</option>
<option value="3.5*德黑兰">GMT+3.5</option>
<option value="4*巴库">GMT +4</option>
<option value="4.5*喀布尔">GMT+4.5</option>
<option value="5*新德里">GMT +5</option>
<option value="5.5*孟买">GMT+5.5</option>
<option value="5.75*加德满都">GMT+5.75</option>
<option value="6*达卡">GMT +6</option>
<option value="6.5*仰光">GMT+6.5</option>
<option value="7*曼谷">GMT +7</option>
<option value="8*北京" selected>GMT +8</option>
<option value="9*东京">GMT +9</option>
<option value="9.5*达尔文">GMT+9.5</option>
<option value="10*悉尼">GMT +10</option>
<option value="11*马加丹">GMT +11</option>
<option value="12*惠灵顿">GMT +12</option>
</select>
</body>
</html>
【0分下载代码】
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=GB2312" />
<title>根据不同区时显示相应的时间</title>
<script type="text/javascript">
<!-- Begin
function changeTZ() {
var selectedValue = document.getElementById("TZ").value;
var timeZone = selectedValue.split("*")[0];
var city = selectedValue.split("*")[1];
//console.log("所选城市:" + city + "、所选城市区时:" + timeZone);
var date = new Date();
var currentTimezone = -(date.getTimezoneOffset()/60);//当前区时
var timeDifference = currentTimezone - timeZone;//时差
console.log("当前区时:"+currentTimezone+"、时差:"+timeDifference);
var year = 0; //所选城市时间：年
var month = 0; //所选城市时间：月
var day = 0; //所选城市时间：日
var hour = 0; //所选城市时间：小时
var minute = 0;//所选城市时间：分钟
var second = 0;//所选城市时间：秒
var currentYear = date.getFullYear(); //当前时间：年
var currentMonth = date.getMonth()+1; //当前时间：月
var currentDay = date.getDate(); //当前时间：日
var currentHour = date.getHours(); //当前时间：小时
var currentMinute = date.getMinutes();//当前时间：分钟
var currentSecond = date.getSeconds();//当前时间：秒
second = currentSecond;
if(timeDifference.toString().split(".").length == 2){//所选城市区时为小数
var intVlaue = parseInt(timeDifference.toString().split(".")[0]);//获取整数部分
var floatVlaue = timeDifference - intVlaue;//获取小数部分
hour = currentHour- intVlaue;
minute = currentMinute - floatVlaue*60;
if(minute>=60){
hour = hour + 1;
minute = minute - 60;
}else if(minute < 0){
hour = hour - 1;
minute = 60 + minute;
}
//console.log("当前时间(小时):" + currentHour+"、所选城市时间(小时):"+hour);
}else{
hour = currentHour-timeDifference;
minute = currentMinute;
}
if(hour >= 24){
day = currentDay + 1;
hour = hour - 24;
}else if(hour >= 0 && hour < 24){
day = currentDay;
hour = hour;
}else if(hour < 0){
day = currentDay - 1;
hour = hour + 24;
}
if(currentMonth==1 || currentMonth==3 || currentMonth==5 || currentMonth==7 || currentMonth==8 || currentMonth==10 || currentMonth==12 ){//31天
if(day > 31){
if(currentMonth==12){
year = currentYear + 1;
month= 1;
day = day - 31;
}else{
year = currentYear;
month= currentMonth + 1;
day = day - 31;
}
}else if(day == 0){
if(currentMonth==1){
year = currentYear - 1;
month= 12;
day = 31;
}else{
year = currentYear;
month= currentMonth - 1;
if(month==4 || month==6 || month==9 || month==11){
day = 30;
}else if(month==2){
if((year % 400 == 0)||(year % 4 == 0)&&(year % 100 != 0)){//闰年
day = 29;
}else{//平年
day = 28;
}
}
}
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}
if(currentMonth==4 || currentMonth==6 || currentMonth==9 || currentMonth==11){//30天
if(day > 30){
year = currentYear;
month= currentMonth + 1;
day = day - 30;
}else if(day == 0){
year = currentYear;
month= currentMonth - 1;
day = 31;
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}
if(currentMonth==2){//28天或29天
year = currentYear;
if((year % 400 == 0)||(year % 4 == 0)&&(year % 100 != 0)){//闰年
if(day > 29){
year = currentYear;
month= currentMonth + 1;
day = day - 29;
}else if(day == 0){
year = currentYear;
month= 1;
day = 31;
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}else{//平年
if(day > 28){
year = currentYear;
month= currentMonth + 1;
day = day - 28;
}else if(day == 0){
year = currentYear;
month= 1;
day = 31;
}else{
year = currentYear;
month= currentMonth;
day = day;
}
}
}
hour = ((hour <= 9) ? ("0" + hour) : hour);
minute = ((minute <= 9) ? ("0" + minute) : minute);
second = ((second <= 9) ? ("0" + second) : second);
Clock.innerHTML = city + "：" + year +"年"+ month +"月"+ day +"日 " + hour + ":" + minute + ":" + second;
setTimeout("changeTZ()", 1000);
}
// End -->
</script>
</head>
<body bgcolor="#ffffff" onLoad="javascript:changeTZ();">
<div id="Clock"></div>
<select style="font-size: 9pt;" onchange="changeTZ()" id="TZ">
<option value="-12*国际换日线">GMT-12</option>
<option value="-11*萨摩亚群岛">GMT-11</option>
<option value="-10*夏威夷">GMT-10</option>
<option value="-9*阿拉斯加">GMT-9</option>
<option value="-8*太平洋时间">GMT-8</option>
<option value="-7*美国山区">GMT-7</option>
<option value="-6*墨西哥">GMT-6</option>
<option value="-5*南美洲太平洋">GMT-5</option>
<option value="-4.5*加拉加斯">GMT-4.5</option>
<option value="-4*大西洋">GMT-4</option>
<option value="-3.5*纽芬兰">GMT-3.5</option>
<option value="-3*巴西利亚">GMT-3</option>
<option value="-2*大西洋中部">GMT-2</option>
<option value="-1*亚速尔">GMT-1</option>
<option value="0*格林尼治">GMT</option>
<option value="1*罗马">GMT +1</option>
<option value="2*以色列">GMT +2</option>
<option value="3*莫斯科">GMT +3</option>
<option value="3.5*德黑兰">GMT+3.5</option>
<option value="4*巴库">GMT +4</option>
<option value="4.5*喀布尔">GMT+4.5</option>
<option value="5*新德里">GMT +5</option>
<option value="5.5*孟买">GMT+5.5</option>
<option value="5.75*加德满都">GMT+5.75</option>
<option value="6*达卡">GMT +6</option>
<option value="6.5*仰光">GMT+6.5</option>
<option value="7*曼谷">GMT +7</option>
<option value="8*北京" selected>GMT +8</option>
<option value="9*东京">GMT +9</option>
<option value="9.5*达尔文">GMT+9.5</option>
<option value="10*悉尼">GMT +10</option>
<option value="11*马加丹">GMT +11</option>
<option value="12*惠灵顿">GMT +12</option>
</select>
</body>
</html>
【0分下载代码】
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