php实现的日历程序

2020-03-22 17:31:10

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////判断$Year和$Month是否为空,如果为空就获取系统当前日期,否则用$_GET获取$Year = empty($_GET['Year']) date("Y"): $_GET["Year"];$Month = empty($_GET['Month']) date("m"): $_GET["Month"];////获取当前日期////$Today = date("Ymj");////初始化日期数组////$Maxday = array("1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","26","27","28","29","30","31");$Maxday_count = count($Maxday);////初始化星期数组////$Weekday = array(" font color='red' Sun /font ","Mon","Tue","Wed","Thu","Fri"," font color='red' Sat /font $Weekday_count = count($Weekday);$daynum = 0;$space = " td /td $col = 0;////打印表格头部//// form action="calendar.php" method="post" name="linked" table tr td colspan=3 align=center a href=" Year= php if($Year-1 1900)echo $Year-1;else echo $Year; &Month= php echo $Month " name="Year" /a php echo $Year a href=" Year= php if($Year+1 2999) echo $Year+1;else echo $Year; &Month= php echo $Month " name="Year" /a /td td /td td colspan=3 align=center a href=" Year= php echo $Year &Month= php if($Month-1 0) if($Month-1 10)echo "0".($Month-1); else echo $Month-1; else echo $Month; " name="Month" /a php echo $Month; a href=" Year= php echo $Year &Month= php if($Month+1 13) if($Month+1 10) echo "0".($Month+1);else echo ($Month+1); else echo $Month; " name="Month" /a /td /tr tr td colspan="8" /td /tr tr ////打印星期列表////while(list(,$Weekhtml' target='_blank'>value) = each($Weekday)) echo " td align=center ".$Weekvalue." /td echo " /tr ////打印日期列表//////当月份为4,6,9,11的时候,从数组末尾删除一个值,也就是删除31这个值.if($Month == 4 or $Month == 6 or $Month == 9 or $Month == 11) array_pop($Maxday); $Maxday_count--;//先判断月份是否为2月,如果是的话再判断年份是否为闰年,如果是的话就从数组尾部移除2个值,否则就移除3个值.if($Month == 2) if($Year % 4 == 0) array_pop($Maxday); array_pop($Maxday); $Maxday_count-=2; else array_pop($Maxday); array_pop($Maxday); array_pop($Maxday); $Maxday_count-=3;////打印日期////while($daynum $Maxday_count)echo " tr while(list($colnum,$Dayvalue) = each($Maxday)) //判断当前日期为一星期中的哪一天 $DayWeek = date("w",strtotime($Year."-".$Month."-".$Dayvalue)); //当当前日期处于第1个,也就是每个月的第1天的时候,在它前面补上相应的空格子 if($Dayvalue == 1) for($i=0;$i $DayWeek;$i++) echo $space;//打印每个月空出的几个格子 $daynum++; //当打印日期的时候与当前日期字符串进行比较,如果相等就将字体标为红色. if($Year.$Month.$Dayvalue == $Today) $u1 = " b u $u2 = " /b /u else $u1 = ""; $u2 = ""; if($DayWeek == 0 or $DayWeek == 6) $color = "red"; else $color = "black"; echo " td align=center font color=".$color." ".$u1.$Dayvalue.$u2." /font /td //用本周第几天这个值加1,如果是7的倍数就换行退出此轮循环(换行打印) if(($DayWeek+1) % 7 == 0) $col++; break;echo " /trPHP教程

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