using System;
using System.Collections.Generic;
using System.Text;
namespace Pattern.Proxy
{
/**//// <summary>
/// Message实体类
/// </summary>
    public class MessageModel
{
/**//// <summary>
/// 构造函数
/// </summary>
/// <param name="msg">Message内容</param>
/// <param name="pt">Message发布时间</param>
        public MessageModel(string msg, DateTime pt)
{
this._message = msg;
this._publishTime = pt;
}
private string _message;
/**//// <summary>
/// Message内容
/// </summary>
        public string Message
{
get { return _message; }
set { _message = value; }
}
private DateTime _publishTime;
/**//// <summary>
/// Message发布时间
/// </summary>
        public DateTime PublishTime
{
get { return _publishTime; }
set { _publishTime = value; }
}
}
}

IMessage

using System;
using System.Collections.Generic;
using System.Text;
namespace Pattern.Proxy
{
/**//// <summary>
/// 对Message操作的接口
/// </summary>
    public interface IMessage
{
/**//// <summary>
/// 获取Message
/// </summary>
/// <returns></returns>
        List<MessageModel> Get();
/**//// <summary>
/// 插入Message
/// </summary>
/// <param name="mm">Message实体对象</param>
/// <returns></returns>
        bool Insert(MessageModel mm);
}
}

using System;
using System.Collections.Generic;
using System.Text;
namespace Pattern.Proxy
{
/**//// <summary>
/// Sql方式操作Message
/// </summary>
    public class SqlMessage : IMessage
{
/**//// <summary>
/// 获取Message
/// </summary>
/// <returns></returns>
        public List<MessageModel> Get()
{
List<MessageModel> l = new List<MessageModel>();
l.Add(new MessageModel("SQL方式获取Message", DateTime.Now));
return l;
}
/**//// <summary>
/// 插入Message
/// </summary>
/// <param name="mm">Message实体对象</param>
/// <returns></returns>
        public bool Insert(MessageModel mm)
{
// 代码略
            return true;
}
}
}

MessageProxy

using System;
using System.Collections.Generic;
using System.Text;
namespace Pattern.Proxy
{
/**//// <summary>
/// 代理类
/// </summary>
    public class MessageProxy : IMessage
{
SqlMessage _sqlMessage;
/**//// <summary>
/// 构造函数
/// </summary>
        public MessageProxy()
{
_sqlMessage = new SqlMessage();
}
/**//// <summary>
/// 获取Message
/// </summary>
/// <returns></returns>
        public List<MessageModel> Get()
{
return _sqlMessage.Get();
}
/**//// <summary>
/// 插入Message
/// </summary>
/// <param name="mm">Message实体对象</param>
/// <returns></returns>
        public bool Insert(MessageModel mm)
{
return _sqlMessage.Insert(mm);
}
}
}

client

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;
using Pattern.Proxy;
public partial class Proxy : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
MessageProxy m = new MessageProxy();
Response.Write(m.Insert(new MessageModel("插入", DateTime.Now)));
Response.Write("<br />");
Response.Write(m.Get()[0].Message + " " + m.Get()[0].PublishTime.ToString());
}
}