模块化导出与导入

判断代码优良：高内聚低耦合

模块化导出  exports

exports.name = "张三"  
exports.person = {
    age:18
}

exports.fn1 = function () {
    console.log("这是导出方法");
}

模块化导入  require

let mine = require("./模块化导出");//自定义名称为mine,从模块化导出中导入
console.log(mine);