zmcalc/calc.js

calc 计算器

var add = require("calc/add");
var jian = require("calc/jian")
var mul = require("calc/multiplication");
var divs = require("calc/division");
function calc(num1,num2,yun) {
    let result;
    switch(yun) {
        case "+": result =add(num1,num2) ;break;
        case "-": result = jian(num1,num2) ;break;
        case "*": result = mul(num1,num2) ;break;
        case "/": result = divs.division(num1,num2) ;break;
        default: break;
    }
    return result;
}
// console.log(calc(3,5,"*"))
module.exports = {
    calc:calc
}