一步一步掌握设计模式一(最简单的开始--单例模式^_^)
生活随笔
收集整理的這篇文章主要介紹了
一步一步掌握设计模式一(最简单的开始--单例模式^_^)
小編覺得挺不錯的,現在分享給大家,幫大家做個參考.
首先我得說我是個超級超級的菜鳥,逼自己寫這個系列是為了讓自己動手,是為了更好的掌握,所以,不要笑我的水平哦,呵呵!
老規矩,一個時鐘類!
?1?using?System;
?2?using?System.Collections.Generic;
?3?using?System.Text;
?4?
?5?namespace?Siglon
?6?{
?7?????class?Clock
?8?????{
?9?????????private?static?Clock?newClock;
10?????????private?DateTime _shortTime;
11?????????private?Clock()
12?????????{
13???????????? _shortTime =?DateTime.Now;
14?????}
15?????????public?DateTime ShortTime
16?????????{?
17?????????????get?{?return?this._shortTime;?}?
18?????????}
19?????????public?static?Clock?CreatClock()
20?????????{
21?????????????if?(newClock?==?null)
22?????????????{
23?????????????????newClock?=?new?Clock();
24?????????????}
25?????????????return?newClock;
26?????????}
27?????}
28?}
接下來是一個程序臺的調用 using?System;
using?System.Collections.Generic;
using?System.Text;
namespace?Siglon
{
????class?Program
????{
????????static?void?Main(string[]?args)
????????{
????????????Clock?c1?=?Clock.CreatClock();
????????????Console.Write(c1.ShortTime.ToShortTimeString()+"\n");
????????????System.Threading.Thread.Sleep(3000);
????????????Clock?c2?=?Clock.CreatClock();
????????????Console.Write(c2.ShortTime.ToShortTimeString());
????????????Console.ReadLine();
????????}
????}
}
測試結果:兩個時鐘對象的時間都是一樣的,證明成功拉!^_^
老規矩,一個時鐘類!
?1?using?System;
?2?using?System.Collections.Generic;
?3?using?System.Text;
?4?
?5?namespace?Siglon
?6?{
?7?????class?Clock
?8?????{
?9?????????private?static?Clock?newClock;
10?????????private?DateTime _shortTime;
11?????????private?Clock()
12?????????{
13???????????? _shortTime =?DateTime.Now;
14?????}
15?????????public?DateTime ShortTime
16?????????{?
17?????????????get?{?return?this._shortTime;?}?
18?????????}
19?????????public?static?Clock?CreatClock()
20?????????{
21?????????????if?(newClock?==?null)
22?????????????{
23?????????????????newClock?=?new?Clock();
24?????????????}
25?????????????return?newClock;
26?????????}
27?????}
28?}
接下來是一個程序臺的調用 using?System;
using?System.Collections.Generic;
using?System.Text;
namespace?Siglon
{
????class?Program
????{
????????static?void?Main(string[]?args)
????????{
????????????Clock?c1?=?Clock.CreatClock();
????????????Console.Write(c1.ShortTime.ToShortTimeString()+"\n");
????????????System.Threading.Thread.Sleep(3000);
????????????Clock?c2?=?Clock.CreatClock();
????????????Console.Write(c2.ShortTime.ToShortTimeString());
????????????Console.ReadLine();
????????}
????}
}
測試結果:兩個時鐘對象的時間都是一樣的,證明成功拉!^_^
轉載于:https://www.cnblogs.com/Ablog-sunny/archive/2007/08/26/870639.html
與50位技術專家面對面20年技術見證,附贈技術全景圖總結
以上是生活随笔為你收集整理的一步一步掌握设计模式一(最简单的开始--单例模式^_^)的全部內容,希望文章能夠幫你解決所遇到的問題。
- 上一篇: [设计模式] 15.Command 命令
- 下一篇: perl(Class::MethodMa