node.js 学习三 之 调用模块

路径：

│  03_modelcall.js
│
└─ models
       │ Teacher.js
       └─ User.js

User.js

function User(id, name, age) {
    this.id = id;
    this.name = name;
    this.age = age;
    this.enter = function() {
        console.log(this.name + "进入图书馆");
    }
}
module.exports = User;

Teacher.js

var User = require('./User');

function Teacher(id, name, age) {
    User.apply(this, [id, name, age]);
    this.teach = function(res) {
        res.write(this.name + "老师讲课");
    }
}
module.exports = Teacher;

03_modelcall.js

var http = require('http');
var  User  =  require('./models/User');
var Teacher = require('./models/Teacher');
http.createServer(function(request, response) {
    response.writeHead(200, { 'Content-Type': 'text/html;        charset=utf-8' });
    if (request.url !== "/favicon.ico") { //清除第2此访问
        var teacher = new Teacher(1, '李四', 30);
        teacher.teach(response);

        var user = new User(1, '李四', 30);
        user.enter()
        response.end('');
    }
}).listen(8000);
console.log('Server running  at  http://127.0.0.1:8000/');