收藏
PHPz批改状态：合格
老师批语：
<?php// 大乐透球类define('RED_BALLS', range(1, 35));define('BLUE_BALLS', range(1, 12));class DoubleColorBall{// 红球private static $redBalls = RED_BALLS;// 蓝球private static $blueBalls = BLUE_BALLS;// 红球中奖号: 5/35private static $electRedBalls = [];// 蓝球中奖号: 2/12private static $electBlueBalls = [];// 保存试机号public static $testNos = [];// 从33个红球中取出5个红球private static function createRedBalls(){// 1. 35选5for ($i = 0; $i < 5; $i++) {// 1. 随机取1个,返回一个key$key = array_rand(self::$redBalls);// 2. 将这个球添加到红球数组中array_push(self::$electRedBalls, self::$redBalls[$key]);// 3. 将选出的红球从原始的33个红球中删除,剩下的再次随机抽取array_splice(self::$redBalls, $key, 1);}// 2. 排序输出sort(self::$electRedBalls, SORT_NUMERIC);}// 从12个蓝球中取出2个蓝球private static function createBlueBall(){ // 1. 35选5for ($i = 0; $i < 2; $i++) {// 1. 随机取1个,返回一个key$key = array_rand(self::$blueBalls);// 2. 将这个球添加到球数组中array_push(self::$electBlueBalls, self::$blueBalls[$key]);// 3. 将选出的红球从原始的12个红球中删除,剩下的再次随机抽取array_splice(self::$blueBalls, $key, 1);}// 2. 排序输出sort(self::$electBlueBalls, SORT_NUMERIC);}// 生成试机号private static function createTestNos($n = 5){for ($i = 0; $i < $n; $i++) {self::$redBalls = RED_BALLS;self::$blueBalls = BLUE_BALLS;self::$electRedBalls = [];self::$electBlueBalls = [];// 生成红球self::createRedBalls();// 生成蓝球self::createBlueBall();// 红蓝球合并生成一个中奖试机号self::$testNos[] = array_merge(self::$electRedBalls, self::$electBlueBalls);}}// 获取试机号,供外部调用(外部只需要访问它,也就是只有它是公开的)public static function getTestNos($n = 5){self::createTestNos($n);return self::$testNos;}}
<?phprequire __DIR__ . '/Lotto.php';// 生成数量应该从当前URL中获取// $n = isset($_GET['n']) ? $_GET['n'] : 5;// null合并运算符$n = $_GET['n'] ?? 5;// print_r($n);$allBalls=DoubleColorBall::getTestNos($n);// print_r(DoubleColorBall::$testNos);?><!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>生成大乐透中奖试机号</title><link rel="stylesheet" href="style.css" /></head><body><div class="lottery"><h2>大乐透试机号</h2><form><input type="number" name="n" min="1" value="<?=$_GET['n'] ?? 5?>" onchange="isVip(this)"><button>生成试机号</button></form> <table><tbody><?php foreach ($allBalls as $key=> $balls): ?><tr><!-- 第一列是序号: 默认从1开始 $key+1 --><td><?=$key+1?></td><?php foreach ($balls as $ball) : ?><td><?=$ball?></td><?php endforeach; ?></tr><?php endforeach ?></tbody></table><p>福利彩票大家买,众手托起幸福来</p></div><script>function isVip(input) {if (input.value > 10) {alert('免费用户只能看10个,看更多升级到VIP,现在升级8折');input.value = 10;input.max = 10;location.reload(true);return false;}}</script></body></html>
<p><?php//上一页的小于0的判断$pages1 = ($page - 1 > 0) ? ($page - 1) : 1;$pages2 = $_SERVER['PHP_SELF'] . '?page='.$pages1;?>//<a href="<?= $pages2 ?>">上一页</a>//<?php for ($i = 1; $i <= $pages; $i++) : ?><?php $url = $_SERVER['PHP_SELF'] . '?page='. $i;$style = 'style="background:red"';// $i 是当前的页码, $_GET['page']相同时才是要高亮的页码$active = ($i == @$_GET['page']) ? $style : null;?> <a href="<?= $url ?>" <?= $active ?>><?= $i ?></a> <?php endfor ?>//<!-- 下一页的超出页码的判断 --><?php$pages3=($page + 1 < $pages)?($page + 1):$pages;$pages4 = $_SERVER['PHP_SELF'] . '?page=' .$pages3;?><a href="<?= $pages4 ?>">下一页</a></p>
Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号
