This article mainly introduces a small case of how to write a calendar in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.
The code is as follows:
<?php //修改页面编码 header("Content-type: text/html; charset=utf-8"); //如果没有传入年份则获取当前系统年份 $year=!isset($_GET['y'])?$_GET['y']:date('Y'); //如果没有传入月份则获取当前系统月份 $month=$_GET['m']?$_GET['m']:date('m'); //获取当前月有多少天 $days=date('t',strtotime("{$year}-{$month}-1")); //当前1号是星期几 $week=date('w',strtotime("{$year}-{$month}-1")); //输出表头 echo "<center>"; echo "<h2>{$year}年{$month}月</h2>"; //输出日期表格 echo "<table width='700px' border='1px'>"; echo "<tr>"; echo "<th>周日</th>"; echo "<th>周一</th>"; echo "<th>周二</th>"; echo "<th>周三</th>"; echo "<th>周四</th>"; echo "<th>周五</th>"; echo "<th>周六</th>"; echo "</tr>"; //铺表格 for($i=1-$week;$i<=$days;){ echo "<tr>"; for($j=0;$j<7;$j++){ if($i>$days || $i<=0){ echo "<td> </td>"; }else{ echo "<td>{$i}</td>"; } $i++; } echo "</tr>"; } echo "</table>"; //实现上一月和上一年 if($month==1){ $premonth = 12; $preyear = $year - 1; }else{ $premonth = $month-1; $preyear = $year; } //实现下一月和下一年 if($month==12){ $nextmonth = 1; $nextyear = $year + 1; }else{ $nextmonth = $month + 1; $nextyear = $year; } //上一月、下一月的实现 echo "<a href='http://localhost/index.php?y={$premonth}&m={$premonth}'>上个月</a>"; echo "<a href='http://localhost/index.php?y={$nextmonth}&m={$nextmonth}'>下个月</a>"; echo "</center>"; ?>
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