崔鹏飞的Blog

发表于 Disqus： 本文字数： 868 阅读时长 ≈ 1 分钟 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    abstract class OperSuper
    {
        public abstract double GetResult(double a, double b);
    }

    class Add : OperSuper
    {
        public override double GetResult(double a, double b)
        {
            return a + b;
        }
    }

    class Minus : OperSuper
    {
        public override double GetResult(double a, double b)
        {
            return a - b;
        }
    }

    class Context
    {
        OperSuper os = null;
        double A, B;

        public Context(OperSuper o, double a, double b)
        {
            os = o;
            A = a;
            B = b;
        }

        public double GetResult()
        {
            return os.GetResult(A, B);
        }
    }

    class client
    {
        public static void Main()
        {
            Context c = new Context(new Add(), 10, 20);
            Console.WriteLine(c.GetResult());
            c = new Context(new Minus(), 20, 10);
            Console.WriteLine(c.GetResult());
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟

简单工厂的最最简单应用

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Calculate cal = factory.CreateOper("-");
            cal.A = 10;
            cal.B = 20;
            Console.WriteLine(cal.GetResult());

            cal = factory.CreateOper("+");
            cal.A = 10;
            cal.B = 20;
            Console.WriteLine(cal.GetResult());
        }
    }

    abstract class Calculate
    {
        double _NumA = 0;
        double _B = 0;

        public double A

        {
            get { return _NumA; }
            set { _NumA = value; }
        }

        public double B

        {
            get { return _B; }
            set { _B = value; }
        }

        public abstract double GetResult();
    }

    class Add : Calculate
    {
        public override double GetResult()
        {
            return A + B;
        }
    }

    class Minus : Calculate
    {
        public override double GetResult()
        {
            return A - B;
        }
    }

    class factory
    {
        public static Calculate
            CreateOper(string oper)
        {
            Calculate op = null;
            switch (oper)
            {
                case "+":

                    op = new Add();
                    break;

                case "-":

                    op = new Minus();
                    break;
            }

            return op;
        }
    }
}

发表于 Disqus： 本文字数： 349 阅读时长 ≈ 1 分钟

《编程之美——微软技术面试心得》“中国象棋的将帅问题”C#实现

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
class Class1 {
	
	static byte counter = 81;
	
	static void Main(string[] a) {
		while (counter-- != 0) {
			if (counter / 9 % 3 == counter % 9 % 3)
				continue;
			else {
				System.Console.WriteLine("a=" + (counter / 9 + 1).ToString() + "b=" + (counter % 9 + 1).ToString());
			}
		}
		
		System.Console.Read();
	}
	
}

发表于 Disqus： 本文字数： 256 阅读时长 ≈ 1 分钟

适用于1.8GHZ左右的CPU 50%占用率

1
2
3
4
5
6
7
8
9
10
11
12
13
14

class ManageCpu {
	staticvoid Main(string[] a) {
		int st = 0;
		while (true) {
			st = System.Environment.TickCount;
			
			while (System.Environment.TickCount - st < 90) {
			}
			
			System.Threading.Thread.Sleep(90);
		}
	}
}