二.Template Method Pattern(模版方法模式)

Posted on 2007-02-28 14:20 自適應軟件...... 阅读(1238) 评论(0) 编辑收藏举报

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Template Method Pattern.aspx.cs" Inherits="Pattern_Template_Method_Pattern" %>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="tb_result" runat="server" TextMode="MultiLine" Rows="5"></asp:TextBox>
        <asp:Button ID="bt_submit" runat="server" OnClick="bt_submit_Click"  Text="Template Method Pattern" />
    </div>
    </form>
</body>
</html>

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// 模版方法模式
/// 優點:可以先定義好共用的流程,在具體實現各個細節.可擴展性好!
/// </summary>
public partial class Pattern_Template_Method_Pattern : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void bt_submit_Click(object sender, EventArgs e)
    {
        Concrete c = new Concrete();
        tb_result.Text = c.TemplateMethod();
    }
}
/// <summary>
/// 抽象的模板類
/// </summary>
public abstract class AbstractTemplate
{
    public abstract string Operation1();
    public abstract string Operation2();

    public string TemplateMethod()//鉤子方法,也可以在'具體實現摸板類'擴充
    {
        return Operation1() + " and " + Operation2();
    }
}
/// <summary>
/// 具體實現摸板類
/// </summary>
public class Concrete : AbstractTemplate
{
    public override string Operation1()
    {
        return "Operation1";
    }
    public override string Operation2()
    {
        return "Operation2";
    }
}

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二.Template Method Pattern(模版方法模式)