📄 13.36 全球的时间查看表.htm

📁 这是一些常用的JavaScript的特效的源码和教程
💻 HTM
字号:
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>标题页</title>
</head>
<body bgcolor="#cccccc" OnLoad="getTime(timezone, 0)">
<script language="JavaScript">
var timerRunning = false;               
var timezone = "格林尼治标准时间";
var adjust = 0;
function getTime(tzone, diff)           //获取指定时区的时间
{
    if (timerRunning) {
    clearTimeout(updatetime);
    timerRunning = false; 
    }
    gmtOffset=eval(diff+adjust);       //此处设置时区差别
    timezone = tzone;
    checkDateTime();
}
function checkDateTime () {
var today = new Date();                     //获取当前时间
var year = today.getYear() + 00;            //获取年
var month = today.getMonth()+1;             //获取月
var date = today.getDate();                 //获取日期
var day = today.getDay();                   //获取日
var hour = today.getHours();                //获取小时
var minute = today.getMinutes();            //获取分
var second = today.getSeconds();            //获取秒

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();  //当前计算机上的时间和UTC 之间相差的分钟数
yourOffset = yourOffset + adjust;

if ((((month == 4) && (date > 20)) || month > 4) && (month < 11 || ((month == 10) &&
day < 30))) adjust -= 60;

ourDifference = eval(gmtOffset - yourOffset);   //根据本地时间和前面获取的与utc之间的差别
var half = eval(ourDifference % 60);            //取60的余,剩下的是分钟数
ourDifference = Math.round(ourDifference / 60);//获取间隔的小时数
hour = eval(hour - ourDifference);             //用本地小时-间隔的小时
var m = new Array("",
"1","2","3",
"4","5","6",
"7","8","9",
"10","11","12");                                                   //月份数组                     
var leap = eval(year % 4);                                         //判断闰年的变量(不太精确)

if ((half == -30) || (half == 30)) minute += 30;
if (minute > 59) minute -= 60, hour++;                            //当超过60分钟时,小时数增加
if (minute < 0) minute += 60, hour--;                             //当小于60分钟时,小时数减少
if (hour > 23) hour -= 24, date += 1;                             //当超过24小时时,天数加1
if (((month == 4) || (month == 6) || 
(month == 9) || (month == 11)) && (date==31)) date = 1, month ++; //指定的月为30天,超过30,则月份加1
if (((month == 2) && (date > 28)) && (leap != 0)) date = 1, month ++;//2月份比较特殊
if ((month == 2) && (date > 29)) date = 1, month++;                  //非闰年时候的2月份
if (hour < 0) hour += 24, date --;                                   //如果小时数小于0,则天数减1
if ((date == 32) && (month == 12)) month = m[1], date = 1, year++; //当超过一年时
if (date == 32) date = 1, month++;                                 //当超过一月时
if ((date < 1) && (month == 1)) month= m[12], date = 31, year--;   //当前月份为1月份时,如果天数小于1,则转到12月份
if (date < 1) date = 31, month --;                                 //日子小于1时,月份减1
if (((month == 4) || (month == 6) ||                               //一月30天的设置
(month== 9) || (month == 11)) && (date == 31)) date = 30;
if ((month == 2) && (date > 28)) date = 29;                        //2月份的设置
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;   //显示两位数的时间
dateTime = " " + dateTime;
dateTime += ((minute < 10) ? ":0" : ":") + minute; //显示两位数的分钟
dateTime += ((second < 10) ? ":0" : ":") + second; //显示两位数的秒
dateTime += (hour >= 12) ? "下午, " : "上午, ";    //显示汉字:上午和下午
dateTime += year + "年" + month + "月" + date + "日" ; //显示年月日

document.clock.zonetime.value = dateTime;           //显示所选时区的时间
document.clock.zonename.value = timezone;           //显示选择的时区
updatetime=setTimeout("checkDateTime()", 1000);     //定时更新时间-每隔1秒
timerRunning = true;
}
</script>
                  <br>
                  <form name=clock>
                    <input type=text name=zonetime size=28>
                    <br>
                    <br>
                    <b>当前选择的地区</b><br>
                    <input type=text name=zonename size=21>
                    <br>
                    <br>
                    <table border=1 cellpadding=5>
                      <tr> 
                        <td align=center> 
                          <input type=button value="太平洋" onClick="getTime(this.value, +480)" name="button">
                        </td>
                        <td align=center> 
                          <input type=button value="中心" onClick="getTime(this.value, +420)" name="button">
                        </td>
                        <td align=center> 
                          <input type=button value="东方" onClick="getTime(this.value, +300)" name="button">
                        </td>
                      </tr>
                      <tr> 
                        <td align=center> 
                          <input type=button value="夏威夷" onClick="getTime(this.value, +600)" name="button">
                        </td>
                        <td align=center> 
                          <input type=button value="墨西哥" onClick="getTime(this.value, +360)" name="button">
                        </td>
                        <td align=center> 
                          <input type=button value="新德里" onClick="getTime(this.value, -330)" name="button">
                        </td>
                      </tr>
                      <tr> 
                        <td align=center> 
                          <input type=button value="北京" onClick="getTime(this.value, -420)" name="button">
                        </td>
                        <td align=center> 
                          <input type=button value="东京" onClick="getTime(this.value, -540)" name="button">
                        </td>
                        <td align=center> 
                          <input type=button value="伦敦" onClick="getTime(this.value, +0)" name="button">
                        </td>
                      </tr>
                    </table>
                    </form>
</body>
</html>
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