<?php /* * php 输出日历程序 */ header("Content-type: text/html;charset=utf-8"); $year=(!isset($_GET['year'])||$_GET['year']=="")?date("Y"):$_GET['year']; $month=(!isset($_GET['month'])||$_GET['month']=="")?date("n"):$_GET['month']; $curUrl=$_SERVER['PHP_SELF']; if($year<1971){ echo "出错!"; echo "<BR>"; echo "<a href="https://www.jb51.net/,$curUrl,">Back</a>"; exit(); } ?> <table cellspacing="0" cellpadding="0" bordercolor="#E7E7E7"> <tr><td colspan="2"> <?php //<-------当月份超出1至12时的处理;开始-------> if($month<1){ $month=12; $year-=1; } if($month>12){ $month=1; $year+=1; } //<-------当月份超出1至12时的处理;结束-------> //<---------上一年,下一年,上月,下月的连接处理及输出;开始---------> echo "<a href="https://www.jb51.net/,$curUrl,"?year=".($year-1)."&month=".$month."><<</a>年<a href="https://www.jb51.net/,$curUrl,"?year=".($year+1)."&month=".$month.">>></a>"; ?> </td><td colspan="3"><?php echo $year."年".$month."月";?> </td><td colspan="2"> <?php echo "<a href="https://www.jb51.net/,$curUrl,"?month=".($month-1)."&year=".$year."><<</a>月<a href="https://www.jb51.net/,$curUrl,"?month=".($month+1)."&year=".$year.">>></a>"; //<--------上一年,下一年,上月,下月的连接处理及输出;结束---------> ?></td></tr> <tr align=center><td><font color="red">日</font></td><td>一</td><td>二</td><td>三</td><td>四</td><td>五</td><td>六</td></tr><tr> <?php $d=date("d"); $FirstDay=date("w",mktime(0,0,0,$month,1,$year));//取得任何一个月的一号是星期几,用于计算一号是由表格的第几格开始 $bgtoday=date("d"); function font_color($month,$today,$year){//用于计算星期天的字体颜色 $sunday=date("w",mktime(0,0,0,$month,$today,$year)); if($sunday=="0"){ $FontColor="red"; }else{ $FontColor="black"; } return $FontColor; } function bgcolor($month,$bgtoday,$today_i,$year){//用于计算当日的背景颜色 $show_today=date("d",mktime(0,0,0,$month,$today_i,$year)); $sys_today=date("d",mktime(0,0,0,$month,$bgtoday,$year)); if($show_today==$sys_today){ $bgcolor="bgcolor=#6699FF"; }else{ $bgcolor=""; } return $bgcolor; } function font_style($month,$today,$year){//用于计算星期天的字体风格 $sunday=date("w",mktime(0,0,0,$month,$today,$year)); if($sunday=="0"){ $FontStyle="<strong>"; }else{ $FontStyle=""; } return $FontStyle; } for($i=0;$i<=$FirstDay;$i++){//此for用于输出某个月的一号位置 for($i;$i<$FirstDay;$i++){ echo "<td align=center> </td>\n"; } if($i==$FirstDay){ echo "<td align=center ".bgcolor($month,$bgtoday,1,$year)."><font color=".font_color($month,1,$year).">".font_style($month,1,$year)."1</font></td>\n"; if($FirstDay==6){//判断1号是否星期六 echo "</tr>"; } } } $countMonth=date("t",mktime(0,0,0,$month,1,$year));//某月的总天数 for($i=2;$i<=$countMonth;$i++){//输出由1号定位,随后2号直至月尾的所有号数 echo "<td align=center ".bgcolor($month,$bgtoday,$i,$year)."><font color=".font_color($month,$i,$year).">".font_style($month,$i,$year)."$i</font></td>\n"; if(date("w",mktime(0,0,0,$month,$i,$year))==6){//判断该日是否星期六 echo "</tr>\n"; } } ?> </table>
php输出的日历效果如下图：
