games/ChaoJiJieYaGuan_LiuBianXing/assets/Script/Tools/Utils.ts

/**
 * 工具 
 */


export default class Utils {
    /**
         * 获取不重复的随机数
         * @param minValue 最小值
         * @param maxValue 最大值
         * @param valueNum 随机个数
         */
    static getRandomValueDif(minValue: number, maxValue: number, valueNum: number) {
        // 全部随机数值  
        let allNums = new Array;

        // 判断获取随机数个数  
        let size = valueNum ? (valueNum > maxValue - minValue + 1 ? maxValue - minValue + 1 : valueNum) : 1;

        // 生成随机数值区间数组  
        for (let i = minValue, k = 0; i <= maxValue; i++ , k++) {
            allNums[k] = i;
        }

        let arr = []

        // 随机从数组里面取值
        allNums.sort(function () { return 0.5 - Math.random(); });
        for (let j = 0; j < size; j++) {
            let index = Math.floor(Math.random() * allNums.length);
            arr.push(allNums[index]);
            let tmp = allNums[index];
            allNums[index] = allNums[allNums.length - 1];
            allNums[allNums.length - 1] = tmp;
            allNums.pop();
        }

        return arr;
    }                                                           

    /**
     * 获取范围内的随机数
     * @param minValue 最小值
     * @param maxValue 最大值
     */
    static getRangeRandom(minValue: number, maxValue: number) {
        // 获取数组从第一个开始到指定个数的下标区间  
        return Utils.getRandomValueDif(minValue, maxValue, 1)[0];
    }

    /**
     * 数字转时间格式
     * @param sec 
     * @returns 
     */
    static secondsFormat(sec, havehour:boolean){
        let hour = Math.floor(sec / 3600);
        let minute = Math.floor((sec - hour * 3600) / 60);
        let second = sec - hour * 3600 - minute * 60;
        let hour1 = ''
        let minute1 = ''
        let second1 = ''
        if (hour < 10) {
            hour1 = "0" + hour;
        }else{
            hour1 = "" + hour;
        }
        if (minute < 10) {
            minute1 = "0" + minute;
        }else{
            minute1 = "" + minute;
        }
        if (second < 10) {
            second1 = "0" + second;
        }else{
            second1 = "" + second;
        }
        if(havehour){
            return hour1 + ":" + minute1 + ":" + second1;
        }else{
            return minute1 + ":" + second1;
        }
    }

    /**
     * 版本号比较
     * @param v1 
     * @param v2 
     * @returns 
     */
     static compareVersion(v1, v2) {
        v1 = v1.split('.')
        v2 = v2.split('.')
        const len = Math.max(v1.length, v2.length)
      
        while (v1.length < len) {
          v1.push('0')
        }
        while (v2.length < len) {
          v2.push('0')
        }
      
        for (let i = 0; i < len; i++) {
          const num1 = parseInt(v1[i])
          const num2 = parseInt(v2[i])
      
          if (num1 > num2) {
            return 1
          } else if (num1 < num2) {
            return -1
          }
        }
      
        return 0
    }


    /**
     * 数组打乱顺序
     * @param arr 
     */
    static shuffle(arr){
        var length = arr.length,randomIndex,temp;
        while(length){
            randomIndex = Math.floor(Math.random()*(length--))
            temp = arr[randomIndex]
            arr[randomIndex] = arr[length]
            arr[length] = temp
        }
        return arr
    }

    static randChunkSplit(arr,min,max) {
        // uncomment this line if you don't want the original array to be affected
        var arr = arr.slice();  //保留原始数据 注释掉会更改原始数据
        var arrs = [],size=1; 
        var min=min||1;
        var max=max||min||1;
        while (arr.length > 0) {
          size = Math.min(max,Math.floor((Math.random()*max)+min));
          arrs.push(arr.splice(0, size));
        }
        return arrs;
      }
}