export {
    mean,
    meanBy,
    sum,
    sumBy
} from 'lodash'

/**
 * 六位随机数字
 */
export function randomNumber(len: number) {
    let random = Math.random();
    let i = len;
    while (i > 0) {
        random *= 10;
        i -= 1;
    }
    return Math.floor(random)
}

/**
 * 创建六位大写随机数,数字加字母,大写
 */
export function createRandomCode() {
	return Math.random()
		.toString(36)
		.substr(2, 6)
		.toUpperCase();
}

/**
 * max:最大值(int)
 * min:最小值(int)
 * radix:输出进制
 * isUpperCase：是否转大写
 */
export function createRandomCode2(max:number=100000000,min:number=999999999,radix:number =10,isUpperCase:boolean=false) {
	let value:number = Math.floor(Math.random()*(max-min+1)+min);
	let str = value.toString(radix);
	if(isUpperCase) return str.toUpperCase();
	else return str;
}