⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 28.6.htm

📁 这是我卖的书上的源码 这书是电子邮电出版的是有关网络编程 有详细的例子
💻 HTM
字号:
<html>
<head><title>显示世界不同地区的当前时间</title></head>
<body bgcolor="#fef4d9" OnLoad="timeCheck(timezone, 0)">
<h1>显示世界不同地区的当前时间</h1><p>
<script language="JavaScript">
<!-- Begin
var timerRunning = false;
var timezone = "这是格林尼治标准时间";
var adjust = 0;

function timeCheck(tzone, diff) {
if (timerRunning) {
clearTimeout(updatetime);
timerRunning = false; }
gmtOffset=eval(diff+adjust);
timezone = tzone;
checkDateTime();
}

function checkDateTime () {
var today = new Date();
var year = today.getYear() + 00;
var month = today.getMonth()+1;
var date = today.getDate();
var day = today.getDay();
var hour = today.getHours();
var minute = today.getMinutes();
var second = today.getSeconds();

var lastSat = date - (day+1);
while (lastSat < 32) lastSat+=7;
if (lastSat > 31) lastSat+=-7;
var firstSat = date - (day+1);
while (firstSat > 0) firstSat+=-7;
if (firstSat < 1) firstSat+=7;
if ((((month == 4) && (date >= firstSat)) || month > 4) && 
(month < 11 || ((month == 10) && day <= lastSat))) adjust += 60;
yourOffset = (new Date()).getTimezoneOffset();
yourOffset = yourOffset + adjust;

var xx = navigator.appName
var xy = navigator.appVersion;
xy = xy.substring(0,1);
if ((xy == 4) && (xx == "Netscape")) yourOffset = yourOffset+adjust;
if ((((month == 4) && (date > 20)) || month > 4) && (month < 11 || ((month == 10) &&
day < 30))) adjust -= 60;

ourDifference = eval(gmtOffset - yourOffset);
var half = eval(ourDifference % 60);
ourDifference = Math.round(ourDifference / 60);
hour = eval(hour - ourDifference);
var m = new Array("",
"1","2","3",
"4","5","6",
"7","8","9",
"10","11","12");
var leap = eval(year % 4);

if ((half == -30) || (half == 30)) minute += 30;
if (minute > 59) minute -= 60, hour++;
if (minute < 0) minute += 60, hour--;
if (hour > 23) hour -= 24, date += 1;
if (((month == 4) || (month == 6) || 
(month == 9) || (month == 11)) && (date==31)) date = 1, month ++;
if (((month == 2) && (date > 28)) && (leap != 0)) date = 1, month ++;
if ((month == 2) && (date > 29)) date = 1, month++;
if (hour < 0) hour += 24, date --;
if ((date == 32) && (month == 12)) month = m[1], date = 1, year++;
if (date == 32) date = 1, month++;
if ((date < 1) && (month == 1)) month= m[12], date = 31, year--;
if (date < 1) date = 31, month --;
if (((month == 4) || (month == 6) || 
(month== 9) || (month == 11)) && (date == 31)) date = 30;
if ((month == 2) && (date > 28)) date = 29;
if (((month == 2) && (date > 28)) && (leap != 0)) date=28;
for (i=1; i<13; i++) {
if (month == i) {
month = m[i]; break;
}
}

var dateTime = hour;
dateTime = ((dateTime < 10) ? "0":"") + dateTime;
dateTime = " " + dateTime;
dateTime += ((minute < 10) ? ":0" : ":") + minute;
dateTime += ((second < 10) ? ":0" : ":") + second;
dateTime += (hour >= 12) ? "下午, " : "上午, ";
dateTime += year + "年" + month + "月" + date + "日" ;

document.clock.zonetime.value = dateTime;
document.clock.zonename.value = timezone;
updatetime=setTimeout("checkDateTime()", 900);
timerRunning = true;
}
// End -->
</script>
<br>
<center>
<form name=clock>
<table border=1 cellpadding=0 cellspacing="0">
<tr> 
<td align=center colspan="3"> 
<input type=text name=zonetime size=28>
</td>
</tr>
<tr>
<td align=center colspan="3"> 
地区:<input type=text name=zonename size=20>
</td>
</tr>
<tr> 
<td align=center> 
<input type=button value="北  京" onClick="timeCheck(this.value, -420)" name="button">
</td>
<td align=center> 
<input type=button value="东  京" onClick="timeCheck(this.value, -540)" name="button">
</td>
<td align=center> 
<input type=button value="伦  敦" onClick="timeCheck(this.value, +0)" name="button">
</td>
</tr>
<tr> 
<td align=center> 
<input type=button value="夏威夷" onClick="timeCheck(this.value, +600)" name="button">
</td>
<td align=center> 
<input type=button value="墨西哥" onClick="timeCheck(this.value, +360)" name="button">
</td>
<td align=center> 
<input type=button value="新德里" onClick="timeCheck(this.value, -330)" name="button">
</td>
</tr>
<tr>
<td align=center> 
<input type=button value="太平洋" onClick="timeCheck(this.value, +480)" name="button3">
</td>
<td align=center> 
<input type=button value="中  心" onClick="timeCheck(this.value, +420)" name="button2">
</td>
<td align=center> 
<input type=button value="东  方" onClick="timeCheck(this.value, +300)" name="button1">
</td>
</tr>
</table>
</form>
</center>
</body>
</html>

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -