MVP是一种广泛使用的UI架构模式，适用于基于事件驱动的应用框架。
能够与 Model直接进行交互的仅限于 Presenter, View 只能通过 Presenter 间拉地调用 Model。
MVP分PV（Passive View) 和 （Supervising Controller)两种模式
SC(Supervising Controller)
public partial class WebForm1 : System.Web.UI.Page,IEmployeeSearchView{public EmployeeSearchPresenter Presenter { get; private set; } public event EventHandler<DepartmentSelectedEventArgs> DepartmentSelected; public WebForm1() { this.Presenter = new EmployeeSearchPresenter(this); } protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack) { this.Presenter.Initialize(); } } protected void ButtonSearch_Click(object sender, EventArgs e) { string department = this.DropDownListDepartments.SelectedValue; DepartmentSelectedEventArgs eventArgs = new DepartmentSelectedEventArgs(department); if (null != DepartmentSelected) { DepartmentSelected(this, eventArgs); } } public void BindEmployees(IEnumerable<Employee> employees) { this.GridViewEmployees.DataSource = employees; this.GridViewEmployees.DataBind(); } public void BindDepartments(IEnumerable<string> departments) { this.DropDownListDepartments.DataSource = departments; this.DropDownListDepartments.DataBind(); } } public class EmployeeSearchPresenter { public IEmployeeSearchView View { get; private set; } public EmployeeRepository Repository { get; private set; } public EmployeeSearchPresenter(IEmployeeSearchView view) { this.View = view; this.Repository = new EmployeeRepository(); this.View.DepartmentSelected += OnDepartmentSelected; } private void OnDepartmentSelected(object sender, DepartmentSelectedEventArgs e) { string department = e.Department; var employees = this.Repository.GetEmployees(department); this.View.BindEmployees(employees); } public void Initialize() { IEnumerable<Employee> employees = this.Repository.GetEmployees(); this.View.BindEmployees(employees); string[] departments = new string[] { "销售部", "采购部", "人事部", "IT部" }; this.View.BindDepartments(departments); } } public class DepartmentSelectedEventArgs : EventArgs { public string Department { get; private set; } public DepartmentSelectedEventArgs(string department) { this.Department = department; } } public interface IEmployeeSearchView { void BindEmployees(IEnumerable<Employee> employees); void BindDepartments(IEnumerable<string> departments); event EventHandler<DepartmentSelectedEventArgs> DepartmentSelected; } public class EmployeeRepository { private static IList<Employee> employees; static EmployeeRepository() { employees = new List<Employee>(); employees.Add(new Employee("001", "张三", "男", new DateTime(1981, 8, 24), "销售部")); employees.Add(new Employee("002", "李四", "女", new DateTime(1982, 7, 24), "人事部")); employees.Add(new Employee("003", "王五", "男", new DateTime(1981, 9, 21), "销售部")); employees.Add(new Employee("004", "张三1", "男", new DateTime(1981, 8, 24), "销售部")); employees.Add(new Employee("005", "张三2", "男", new DateTime(1981, 8, 24), "销售部")); employees.Add(new Employee("006", "