Node.js的学习入门（一、module.exports与exports）

/*User.js*/

exports.userName = 'Tom';
exports.sayHello = function () {
  return 'wwwwww'
}

/*或者*/

module .exports = {
  userName:"jack",
  sayHello: function () {
    return 'Hello';
  }
}


/*引用*/

let user = require('./User');

console.log(`userName:${user.userName}`)

console.log(`i'm ${user.userName},I say ${user.sayHello()}`)