[索引页]
[源码下载]
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; }
}
}
}
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;
}
}
}
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);
}
}
}
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());
}
}
[源码下载]
乐在其中设计模式(C#) - 代理模式(Proxy Pattern)
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MessageModel
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IMessage
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SqlMessage
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MessageProxy
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client
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运行结果
True
SQL方式获取Message 2007-4-1 16:31:24
参考
http://www.dofactory.com/Patterns/PatternProxy.aspx
OK
[源码下载]
True
SQL方式获取Message 2007-4-1 16:31:24
参考
http://www.dofactory.com/Patterns/PatternProxy.aspx
OK
[源码下载]
本文转自webabcd 51CTO博客,原文链接:
http://blog.51cto.com/webabcd/344541
,如需转载请自行联系原作者