第二節 PHP 實現日歷功能 · 個人筆記

>[success] # PHP 實現日歷功能 ![](https://box.kancloud.cn/bb1b932d357938a48ae6c4a241b574e0_505x243.png) ~~~php //show_calendar.php <?php //設定用于一個腳本中所有日期時間函數的默認時區 if (function_exists('date_default_timezone_set')) { date_default_timezone_set('PRC'); } function post_input($data) { $data = trim($data); $data = stripslashes($data); $data = htmlspecialchars($data); return $data; } $year = isset($_GET["y"]) ? post_input($_GET["y"]) : date("Y"); $month = isset($_GET["m"]) ? post_input($_GET["m"]) : date("m"); if ($month > 12) { $month = 1; $year++; } elseif ($month < 0) { $month = 12; $year--; } $t = strtotime("$year-$month-1"); $last = date('t', strtotime('-1 month', $t)); $start = date('w', $t) ? range($last - date('w', $t) + 1, $last) : range($last - 6, $last); $days = range(1, date('t', $t)); $end = range(1, 6 * 7 - count($start) - count($days)); $daytable = "<tr>"; $w = 1; for ($i = 0; $i < count($start); $i++) { if ($w % 7 == 0) { $daytable .= "<td data-title='last' onclick='alert(1);'>$start[$i]</td></tr><tr>"; } else { $daytable .= "<td data-title='last' onclick='alert(1);'>$start[$i]</td>"; } $w++; } for ($i = 0; $i < count($days); $i++) { if ($w % 7 == 0) { $daytable .= "<td>$days[$i]</td></tr><tr>"; } else { $daytable .= "<td>$days[$i]</td>"; } $w++; } for ($i = 0; $i < count($end); $i++) { if ($w % 7 == 0) { $daytable .= "<td style='color:#898989' data-title='last' onclick='alert(1);'>$end[$i]</td></tr><tr>"; } else { $daytable .= "<td style='color:#898989' data-title='last' onclick='alert(1);'>$end[$i]</td>"; } $w++; } $daytable .= "<tr/></tbody></table>"; ?> <!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style type="text/css"> td { text-align: center; } td[data-title='last'] { color: #898989; cursor: pointer; background: #fdf5ce none repeat scroll 0 0; } td:hover { position: relative; } td[data-title='last']:hover:before { content: attr(data-title); position: absolute; left: 5px; top: 100%; background: #ff8403 none repeat scroll 0 0; color: #99FFFF; width: 70px; height: 30px; line-height: 30px; border-radius: 5px; box-shadow: 3px 3px 3px #666666; } </style> </head> <body> <table> <thead> <tr align='center'> <th colspan='1'> <a href='show_calendar.php?y=<?php echo $year ?>&m=<?php echo $month - 1 ?>'>上一月</a> </th> <th colspan='5'><?php echo $year ?>年<?php echo $month ?>月份</th> <th colspan='1'> <a href='show_calendar.php?y=<?php echo $year ?>&m=<?php echo $month + 1 ?>'>下一月</a> </th> </tr> </thead> <tbody> <tr> <td>星期日</td> <td>星期一</td> <td>星期二</td> <td>星期三</td> <td>星期四</td> <td>星期五</td> <td>星期六</td> </tr> <?php echo $daytable ?> </tbody> </table> </body> </html> ~~~