专业加拿大28源代码开发

加拿大28开奖算法核心代码

// 加拿大28开奖算法实现
class Canada28Draw {
    constructor() {
        this.winningNumbers = [];
        this.drawHistory = [];
    }
    
    // 生成随机开奖号码
    generateNumbers() {
        let numbers = [];
        for (let i = 0; i < 3; i++) {
            // 生成0-9的随机数
            numbers.push(Math.floor(Math.random() * 10));
        }
        this.winningNumbers = numbers;
        return numbers;
    }
    
    // 计算加拿大28结果
    calculateResult() {
        if (this.winningNumbers.length === 0) {
            this.generateNumbers();
        }
        
        // 计算三个数字之和
        const sum = this.winningNumbers.reduce((a, b) => a + b, 0);
        
        // 记录开奖历史
        const drawRecord = {
            numbers: [...this.winningNumbers],
            sum: sum,
            timestamp: new Date().toISOString()
        };
        
        this.drawHistory.unshift(drawRecord);
        
        // 保持最近100期记录
        if (this.drawHistory.length > 100) {
            this.drawHistory.pop();
        }
        
        return {
            numbers: this.winningNumbers,
            sum: sum,
            isEven: sum % 2 === 0,
            isBig: sum > 13
        };
    }
    
    // 获取开奖历史
    getDrawHistory(limit = 20) {
        return this.drawHistory.slice(0, limit);
    }
}

// 导出模块
module.exports = Canada28Draw;