Created
          March 8, 2016 06:43 
        
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    微信红包算法测试
  
        
  
    
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  | header("Content-Type: text/html;charset=utf-8"); | |
| $total=10; // 红包总额 | |
| $num=8; // 分成8个红包,支持8人随机领取 | |
| $min=0.01; // 每个人最少能收到0.01元 | |
| for ($i=1;$i<$num;$i++) | |
| { | |
| $safe_total = ($total-($num-$i)*$min)/($num-$i); //随机安全上限 | |
| $money = mt_rand($min*100, $safe_total*100)/100; | |
| $total = $total - $money; | |
| echo '第'.$i.'个红包:'.$money.' 元,余额:'.$total.' 元 <br/>'; | |
| } | |
| echo '第'.$num.'个红包:'.$total.' 元,余额:0 元'; | 
  
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