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  1. <?php
    //设置为中国时区
    date_default_timezone_set('PRC');
    //打印出今天是星期几(英文的)
    echo date('l');
    //打印出明天是星期几
    echo date('l',time()+60*60*24);
    /*
    *因为不知道你所设置的时间格式,上面使用的是时间戳
    *如果你是2014-7-8这类格式的话,可以使用strtotime()先转换为时间戳
    */
    echo date('l',strtotime('2014-4-19'));
    //或者这样
    echo date('l',mktime(23,59,59,4,19,2014));

    //相信上面说的几个函数应该可以满足你需求了,不行再问,但是自己先去查手册

    //获取今天是今年的第几天,其他格式查看上面,是一样的
    echo date('z');
    ?>
      

  2. <html>
        <head>
            <title></title>
            <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/>
       
            <style>
                .tdborder{
                    border: 1px solid red;
                }
            </style>
            <script type="text/javascript">            function test(){
                   var tb = document.getElementsByTagName("table")[0];
                   var trs = tb.getElementsByTagName("tr");               for(var i=0;i<trs.length;i++){
                       var td = trs[i].firstChild;
                       var tdl = trs[i].lastChild;                   td.setAttribute("style","color:red");
                       tdl.setAttribute("style","color:red");
                   }                var tds = tb.getElementsByTagName("td");
                    for(var j=0;j<tds.length;j++){                    tds[j].onmouseover = function(){
                            for(var k=0;k<tds.length;k++){
                                tds[k].className="";
                            }
                            this.className="tdborder";
                        }                    tds[j].onclick = function(e){
                            var div = document.getElementsByTagName("div");
                            for(var a=0;a<div.length;a++){
                                document.body.removeChild(div[a]);
                            }
    //                        var w = this.cellIndex;
    //                        alert(w);
                            var e = e || window.event;
                            var day = this.innerHTML;
                            var d = document.createElement("div");
                            d.style.border = "1px solid red";
                            d.style.position = "absolute";
                            d.style.zIndex = 22;
                            d.style.left = e.clientX+20 + "px";
                            d.style.top = e.clientY+5 + "px";
                            d.style.width = "100px";
                            d.style.height = "100px";
                            d.innerHTML = day+" 第几天:"+this.getAttribute('djt')+" 星期几:"+this.getAttribute('xqj');//自己在美化下 星期几:0表示星期日 2表示星期一
                            document.body.appendChild(d);                    }                }
                }            window.onload = test;
            </script>    </head>
        <body>
        <?php    $year = 2014;
        $month =4;
        $total = 0;
        $isRN = false;
        $month_day = 0;    if($year % 4 == 0 && $year % 100 != 0 || $year % 400 == 0){
            $isRN = true;
        }    for($i=1900;$i<$year;$i++){
            if($i % 4 == 0 && $i % 100 != 0 || $i % 400 == 0){
                $total += 366;
            }else{
                $total += 365;
            }
        }
        $preTotal = $total;//定义一个今年之前的天数
        for($i=1;$i<=$month;$i++){
            switch($i){
                case 1:
                case 3:
                case 5:
                case 7:
                case 8:
                case 10:
                case 12:
                    $month_day = 31;
                    break;
                case 2:
                    if($isRN){
                        $month_day = 29;
                    }
                    else{
                        $month_day = 28;
                    }
                    break;
                default:
                    $month_day = 30;
                    break;        }
            if($i < $month){
                $total += $month_day;
            }
        }
        $temp = $total % 7 + 1;
        if($temp == 7){
            $temp = 0;
        }    echo "<table>";
        echo "<tr><th>星期天&nbsp;&nbsp;&nbsp;&nbsp;</th>
            <th>星期一&nbsp;&nbsp;&nbsp;&nbsp;</th>
            <th>星期二&nbsp;&nbsp;&nbsp;&nbsp;</th>
            <th>星期三&nbsp;&nbsp;&nbsp;&nbsp;</th>
            <th>星期四&nbsp;&nbsp;&nbsp;&nbsp;</th>
            <th>星期五&nbsp;&nbsp;&nbsp;&nbsp;</th>
            <th>星期六&nbsp;&nbsp;&nbsp;&nbsp;</th></tr>";
        for($i=1;$i<=$month_day;$i++){
            if($i==1){
                echo "<tr>";
            }
            if($temp != 0){
                for($j=0;$j<$temp;$j++){
                    echo "<td></td>";
                }
                $temp = 0;
            }
       
            echo "<td xqj = ".(($total+$i + 1) %7)." djt=".($total+$i - $preTotal).">".$i."</td>";//xqj:表示星期几 如:0=星期日 djt:表示今年的第几天
            if(($total+$i + 1) %7 == 0){
                echo "</tr><tr>";
            }
            if($i == $month_day){
                echo "</tr>";
            }
        }
        echo "</table><br/>";    ?>    </body></html>
      

  3. Quote: 引用 2 楼 microlab2009 的回复:

     感谢大神。谢谢了
      

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