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  • 抽奖

    /**
         * 获取随机1-10个通宝币
         * @return
         */
        private Long getPullNewGold() {
            
            /**
             * 拉新活动:
             * 1,每拉新一个人一次性 随机给予直接上级1-10个通宝币
             *  8  -  5  -  1  -  2  -  10
             *  7%   10%   45%   35%    3%
             */
            
            int randomNum = (int)(1+Math.random()*(100-1+1));//从1到100的int型随数
            
            if(randomNum >= 1 && randomNum <=7) {
                return 8L;
            }else if(randomNum >= 8 && randomNum <=17) {
                return 5L;
            }else if(randomNum >= 18 && randomNum <=62) {
                return 1L;
            }else if(randomNum >= 63 && randomNum <=97) {
                return 2L;
            }else if(randomNum >= 98 && randomNum <=100) {
                return 10L;
            }
            return 1L;
        }
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  • 原文地址:https://www.cnblogs.com/wanhua-wu/p/8438676.html
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