ASP.NET AJAX 定义子类

Type.registerNamespace("Demo");//注册命名空间//Person类Demo.Person = function(firstName, lastName, emailAddress) { this._firstName = firstName; this._lastName = lastName; this._emailAddress = emailAddress;}Demo.Person.prototype = { getFirstName: function() { return this._firstName; }, getLastName: function() { return this._lastName; }, getEmailAddress: function() { return this._emailAddress; }, setEmailAddress: function(emailAddress) { this._emailAddress = emailAddress; }, getName: function() { return this._firstName + ' ' + this._lastName; }, dispose: function() { alert('bye ' + this.getName()); }, sendMail: function() { var emailAddress = this.getEmailAddress(); if (emailAddress.indexOf('@') < 0) { emailAddress = emailAddress + '@example.com'; } alert('Sending mail to ' + emailAddress + ' ...'); }, toString: function() { return this.getName() + ' (' + this.getEmailAddress() + ')'; }}Demo.Person.registerClass('Demo.Person', null, Sys.IDisposable);//Employee子类，继承自PersonDemo.Employee = function(firstName, lastName, emailAddress, team, title) { Demo.Employee.initializeBase(this, [firstName, lastName, emailAddress]); this._team = team; this._title = title;}Demo.Employee.prototype = { getTeam: function() { return this._team; }, setTeam: function(team) { this._team = team; }, getTitle: function() { return this._title; }, setTitle: function(title) { this._title = title; }, toString: function() { return Demo.Employee.callBaseMethod(this, 'toString') + '/r/n' + this.getTitle() + '/r/n' + this.getTeam(); }}//注册Employee类Demo.Employee.registerClass('Demo.Employee', Demo.Person);