• cookies示例:记录用户当前第几次访问


    <html>
    <head>
    <title>记录客户信息</title>
    <script language="JavaScript">
    <!--
    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("请输入姓名:",'');
    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); // 访问时间记录r
    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 // display
    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("??????",'');
    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) { //读取cookie中的信息
    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) //设置Cookie内容
    { 
    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); 
    // 历史记录
    var cval = GetCookie (name); 
    document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
    }
     -->
    </script>
    </head>
    
    <body bgcolor="#ADADAD">
    <hr>
    <div align="center"><center>
        <font color="#FF0000">访客登记</font></p>
        <table border="0" width="523" cellspacing="0" cellpadding="0" height="34">
          <tr>
            <td width="1" height="16"><br>
            </td>
            <td width="552" height="16"><table border="1" width="100%">
              <tr>
                <td width="100%" bgcolor="#e8ffe8"><font color="#CC0099"><script language="JavaScript">
    <!-- Hide this script from old browsers --
    document.write("您好 <b>" + Who() + "</b>,您是第 <b>" + Count() + "</b> 次访问本主页. 最后一次是 <b>" + When() +"</b>. ")
    document.write('<a href="JavaScript:set()">[按此改名]</a>')
    // -- End Hiding Here -->
    </script> 
                </font></td>
              </tr>
            </table>
    </center></div>
    <div align="center">
    <font class=30pt>返回的cookie信息有:访客名字;浏览网页的次数;上次浏览网页的时间,用户可以自己更改姓名。
    </font>
    </div>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/kentyouyou/p/3729723.html
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