CSharp任何可比较的数据类型（大小比较泛型实现方法）封装

 1 /// <summary>
 2 /// 判定A大于B（A.CompareTo(B)&lt;0）
 3 /// </summary>
 4 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
 5 /// <param name="a">比较对象A</param>
 6 /// <param name="b">比较对象B</param>
 7 /// <returns></returns>
 8 private static bool A_GT_B<T>(T a, T b) where T : IComparable
 9 {
10 return a.CompareTo(b) > 0;
11 }
12 
13 /// <summary>
14 /// 判定A大于或等于B（A.CompareTo(B)&lt;=0）
15 /// </summary>
16 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
17 /// <param name="a">比较对象A</param>
18 /// <param name="b">比较对象B</param>
19 /// <returns></returns>
20 private static bool A_GET_B<T>(T a, T b) where T : IComparable
21 {
22 return a.CompareTo(b) >= 0;
23 }
24 
25 /// <summary>
26 /// 判定A小于B（A.CompareTo(B)&gt;0）
27 /// </summary>
28 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
29 /// <param name="a">比较对象A</param>
30 /// <param name="b">比较对象B</param>
31 /// <returns></returns>
32 private static bool A_LT_B<T>(T a, T b) where T : IComparable
33 {
34 return a.CompareTo(b) < 0;
35 }
36 
37 /// <summary>
38 /// 判定A小于或等于B（A.CompareTo(B)&gt;=0）
39 /// </summary>
40 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
41 /// <param name="a">比较对象A</param>
42 /// <param name="b">比较对象B</param>
43 /// <returns></returns>
44 private static bool A_LET_B<T>(T a, T b) where T : IComparable
45 {
46 return a.CompareTo(b) <= 0;
47 }