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<!-- Saved From url=http://www.vevb.com/js --><!-- Web Design bbs url=http://www.vevb.com/bbs--><!--要完成此效果需要两个步骤第一步：把如下代码加入到<body>区域中--><SCR<a href="http://ip.vevb.com/">ip</a>T LANGUAGE="<a href="http://www.vevb.com/article.asp?typeid=160">java</a>Script"><!-- Beginvar onHours = " ";var onMinutes = " ";var onSeconds = " ";var offHours = 0;var offMinutes = 0;var offSeconds = 0;var logSeconds = 0;var logMinutes = 0;var logHours = 0;var OnTimeValue = " ";var OffTimeValue = " ";var PageTimeValue = " ";function getLogonTime() {var now = new Date();var ampm = (now.getHours() >= 12) ? " P.M." : " A.M."var Hours = now.getHours();Hours = ((Hours > 12) ? Hours - 12 : Hours);var Minutes = ((now.getMinutes() < 10) ? ":0" : ":") + now.getMinutes();var Seconds = ((now.getSeconds() < 10) ? ":0" : ":") + now.getSeconds();OnTimeValue =(" "+ Hours+ Minutes+ Seconds+ " "+ ampm);onHours = now.getHours();onMinutes = now.getMinutes();onSeconds = now.getSeconds(); }function getLogoffTime() {var now = new Date();var ampm = (now.getHours() >= 12) ? " P.M." : " A.M."var Hours = now.getHours();Hours = ((Hours > 12) ? Hours - 12 : Hours);var Minutes = ((now.getMinutes() < 10) ? ":0" : ":") + now.getMinutes();var Seconds = ((now.getSeconds() < 10) ? ":0" : ":") + now.getSeconds();OffTimeValue =(" "+ Hours+ Minutes+ Seconds+ " "+ ampm);offHours = now.getHours();offMinutes = now.getMinutes();offSeconds = now.getSeconds();timer(); }function timer() { if (offSeconds >= onSeconds) { logSeconds = offSeconds - onSeconds; }else {offMinutes -= 1;logSeconds = (offSeconds + 60) - onSeconds; }if (offMinutes >= onMinutes) { logMinutes = offMinutes - onMinutes; }else {offHours -= 1;logMinutes = (offMinutes + 60) - onMinutes;}logHours = offHours - onHours;logHours = ((logHours < 10) ? "0" : ":") + logHours;logMinutes = ((logMinutes < 10) ? ":0" : ":") + logMinutes;logSeconds = ((logSeconds < 10) ? ":0" : ":") +logSeconds;PageTimeValue =(" "+ logHours+ logMinutes+ logSeconds);displayTimes();}function displayTimes() {alert("/n登陆时间 : " +OnTimeValue+"/n/n现在时间 : "+OffTimeValue+"/n/n停留时间 : " + PageTimeValue);}// End --></SCRIPT><FORM><INPUT TYPE="button" value="看登陆本页的情况" onClick="getLogoffTime()"></FORM><!--第二步：把“onLoad="getLogonTime()"”加在<body>标记里例如：--><body onLoad="getLogonTime()">
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