代码如下： <!--脚本说明:第一步:把如下代码加入<head>区域中--> <SCRIPT LANGUAGE="JavaScript"> <!-- Begin var expDays = 30; var exp = new Date(); exp.setTime(exp.getTime() + (expDays*24*60*60*1000)); function Who(info){ var VisitorName = GetCookie('VisitorName') if (VisitorName == null) { VisitorName = prompt("Who are you?"); SetCookie ('VisitorName', VisitorName, exp); } return VisitorName; } function When(info){ var rightNow = new Date() var WWHTime = 0; WWHTime = GetCookie('WWhenH') WWHTime = WWHTime * 1 var lastHereFormatting = new Date(WWHTime); var intLastVisit = (lastHereFormatting.getYear() * 10000)+(lastHereFormatting.getMonth() * 100) + lastHereFormatting.getDate() var lastHereInDateFormat = "" + lastHereFormatting; var dayOfWeek = lastHereInDateFormat.substring(0,3) var dateMonth = lastHereInDateFormat.substring(4,11) var timeOfDay = lastHereInDateFormat.substring(11,16) var year = lastHereInDateFormat.substring(23,25) var WWHText = dayOfWeek + ", " + dateMonth + " at " + timeOfDay SetCookie ("WWhenH", rightNow.getTime(), exp) return WWHText } function Count(info){ var WWHCount = GetCookie('WWHCount') if (WWHCount == null) { WWHCount = 0; } else{ WWHCount++; } SetCookie ('WWHCount', WWHCount, exp); return WWHCount; } function set(){ VisitorName = prompt("Who are you?"); SetCookie ('VisitorName', VisitorName, exp); SetCookie ('WWHCount', 0, exp); SetCookie ('WWhenH', 0, exp); } function getCookieVal (offset) { var endstr = document.cookie.indexOf (";", offset); if (endstr == -1) endstr = document.cookie.length; return unescape(document.cookie.substring(offset, endstr)); } function GetCookie (name) { var arg = name + "="; var alen = arg.length; var clen = document.cookie.length; var i = 0; while (i < clen) { var j = i + alen; if (document.cookie.substring(i, j) == arg) return getCookieVal (j); i = document.cookie.indexOf(" ", i) + 1; if (i == 0) break; } return null; } function SetCookie (name, value) { var argv = SetCookie.arguments; var argc = SetCookie.arguments.length; var expires = (argc > 2) ? argv[2] : null; var path = (argc > 3) ? argv[3] : null; var domain = (argc > 4) ? argv[4] : null; var secure = (argc > 5) ? argv[5] : false; document.cookie = name + "=" + escape (value) + ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + ((path == null) ? "" : ("; path=" + path)) + ((domain == null) ? "" : ("; domain=" + domain)) + ((secure == true) ? "; secure" : ""); } function DeleteCookie (name) { var exp = new Date(); exp.setTime (exp.getTime() - 1); var cval = GetCookie (name); document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString(); } // End --> </SCRIPT> <!--第二步:把如下代码加入<body>区域中--> <SCRIPT LANGUAGE="JavaScript"> document.write("Hello " + Who() + ". <br>您已经登录本站" + Count() + " 次了.<br>上次登录是:" + When() +"."); </SCRIPT>
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