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篇与
双色球
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PHP随机生成双色球 PHP随机生成双色球输出效果 双色球抽取 .red_ball{ position: relative; float: left; width: 50px; height: 50px; border-radius: 50%; background-color: red; text-align: center; line-height: 50px; margin: 5px; font-size: 25px; color: white; } .blue_ball{ position: relative; float: left; width: 50px; height: 50px; border-radius: 50%; background-color: blue; text-align: center; line-height: 50px; margin: 5px; font-size: 25px; color: white; } 15132807310307 源代码函数解释range()生成数组array_rand()随机取数组中的几个下标或键名shuffle()打乱数组顺序rand(min,max)生成指定范围随机数<!DOCTYPE html> <html> <meta charset="utf8"/> <head> <title>双色球抽取</title> <style> .red_ball{ position: relative; float: left; width: 50px; height: 50px; border-radius: 50%; background-color: red; text-align: center; line-height: 50px; margin: 5px; font-size: 25px; color: white; } .blue_ball{ position: relative; float: left; width: 50px; height: 50px; border-radius: 50%; background-color: blue; text-align: center; line-height: 50px; margin: 5px; font-size: 25px; color: white; } </style> </head> <body> <?php //创建红球的数组范围 $red_num = range(1,33); //随机在红球范围内取出6个数 //array_rand()取的是数组的下标或者键名 $red = array_rand($red_num,6); //打乱数组顺序 shuffle($red); //输出红球 foreach($red as $i){ $ls = $red_num[$i]; if($ls<10)$ls = '0' . $ls; echo "<div class='red_ball'>$ls</div>"; } //从1-16中随机取出一个数字 $blue = rand(1,16); if($blue<10)$blue = '0' . $blue; echo "<div class='blue_ball'>$blue</div>"; ?> </body> </html>
