kuncalc/calc.js

calc计算器

const cheng = require("./cheng");
const chu = require("./chu");
var jia = require("./jia");
var jian = require('./jian')





function  calc(num1,num2,yun) {
    let result;
    switch (yun) {
        case "+":
            result =jia(num1,num2);
            break;
        case "-":
            result =jian.jian(num1,num2);
            break;    
        case "*":
            result =cheng(num1,num2);
            break;
        case "/":
            result =chu(num1,num2);
            break;
        default:
            break;
    }
return result;
}


module.exports={
    calc
}