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This article mainly introduces the algorithm example of PHP to implement WeChat red envelope amount splitting trial. The content is quite good. I will share it with you now and give it as a reference.
This article introduces an example of the algorithm for splitting the amount of WeChat red envelopes in PHP and shares it with everyone. If you are interested, you can take a look:
<?php // 新年红包金额拆分试玩 class CBonus { public $bonus;//红包 public $bonus_num;//红包个数 public $bonus_money;//红包总金额 public $money_single_max;//单个红包限额 public function __construct(){ $this->bonus_num = 10; $this->bonus_money = 200; $this->money_single_max = 60; } private function randomFloat($min = 0, $max = 1) { $mt_rand = mt_rand(); $mt_getrandmax = mt_getrandmax(); echo 'mt_rand=' . $mt_rand . ', mt_getrandmax=' . $mt_getrandmax . '<hr/>'; return $min + $mt_rand / $mt_getrandmax * ($max - $min); } //计算 public function compute() { $this->bonus = array(); $bonus_money_temp = $this->bonus_money; $money_single_max = $this->money_single_max; $i = 1; while($i < $this->bonus_num) { if ($money_single_max > $bonus_money_temp) { $money_single_max = floatval(sprintf("%01.2f", $bonus_money_temp / 2));//剩余金额不够分时,把剩余金额的一半作为备用金 } $bonus_money_rad = $this->randomFloat(0.01, $money_single_max);//一个红包随机金额 最小的1分钱 $bonus_money_rad = floatval(sprintf("%01.2f", $bonus_money_rad)); $bonus_money_temp = $bonus_money_temp - $bonus_money_rad ;//待分配的总剩余金额 $bonus_money_temp = floatval(sprintf("%01.2f", $bonus_money_temp)); $this->bonus[] = $bonus_money_rad; //echo $bonus_money_rad . ',' . $bonus_money_temp . '<hr/>'; $i++; } $this->bonus[] = $bonus_money_temp;//分配剩余金额给最后一个红包 } //打印 public function output(){ $total = 0; foreach($this->bonus as $k => $v) { echo '红包' . ($k+1) . '=' . $v . '<br/>'; $total += $v; } echo '红包总金额:'.$total; } } $CBonus = new CBonus(); $CBonus->compute(); $CBonus->output(); ?>
Demo results:
红包1=12.36
红包2=24.37
红包3=42.71
红包4=36.92
红包5 =25.84
Red envelope 6=23.17
Red envelope 7=15.92
Red envelope 8=1.35
Red envelope 9=7.75
Red envelope 10=9.61
Total amount of red envelope: 200
红包1=24.59
红包2=17.66
红包3=29.67
红包4=32.34
红包5=12.67
红包6=37.15
红包7=17.41
Red envelope 8=15.23
Red envelope 9=6.13
Red envelope 10=7.15
Total red envelope amount: 200
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