zhishifufei_uniapp/utils/operation.js

import { BigNumber } from 'bignumber.js';
export default {
    //加法
    add(a, b) {
        a = BigNumber(a);
        b = BigNumber(b);
        return a.plus(b).toNumber();   //结果需要用toNumber转为普通数字
    },
    //减法
    minus(a, b) {
        a = BigNumber(a);
        b = BigNumber(b);
        return a.minus(b).toNumber();
    },
    //乘法
    mutiply(a, b) {
        a = BigNumber(a);
        b = BigNumber(b);
        return a.multipliedBy(b).toNumber();
    },
    //除法
    devide(a, b) {
        a = BigNumber(a);
        b = BigNumber(b);
        return a.dividedBy(b).toNumber();
    },
    //多个数求和
    multiAdd(...params) {
        let data = BigNumber(0);
        for (let index = 0; index < params.length; index++) {
            const element = BigNumber(params[index]);
            data = data.plus(element);
        }
        return data.toNumber();
    },
    tel(phone){
        const reg  = /^((13[0-9])|(14[0-9])|(15[0-9])|(17[0-9])|(18[0-9]))\d{8}$/
        if(!reg.test(phone)){
            return false;
        }else{
            return true;
        }
    }
}