CSharp任何可比较的数据类型（大小比较泛型实现方法）封装

 /// <summary>
 /// 判定A等于B（A.CompareTo(B)==0）
 /// </summary>
 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
 /// <param name="a">比较对象A</param>
 /// <param name="b">比较对象B</param>
 /// <returns></returns>
 private static bool A_EQ_B<T>(T a, T b) where T : IComparable
 {
 return a.CompareTo(b)== ;
 }

 /// <summary>
 /// 判定A大于B（A.CompareTo(B)&lt;0）
 /// </summary>
 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
 /// <param name="a">比较对象A</param>
 /// <param name="b">比较对象B</param>
 /// <returns></returns>
 private static bool A_GT_B<T>(T a, T b) where T : IComparable
 {
 return a.CompareTo(b) > ;
 }

 /// <summary>
 /// 判定A大于或等于B（A.CompareTo(B)&lt;=0）
 /// </summary>
 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
 /// <param name="a">比较对象A</param>
 /// <param name="b">比较对象B</param>
 /// <returns></returns>
 private static bool A_GET_B<T>(T a, T b) where T : IComparable
 {
 return a.CompareTo(b) >= ;
 }

 /// <summary>
 /// 判定A小于B（A.CompareTo(B)&gt;0）
 /// </summary>
 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
 /// <param name="a">比较对象A</param>
 /// <param name="b">比较对象B</param>
 /// <returns></returns>
 private static bool A_LT_B<T>(T a, T b) where T : IComparable
 {
 return a.CompareTo(b) < ;
 }

 /// <summary>
 /// 判定A小于或等于B（A.CompareTo(B)&gt;=0）
 /// </summary>
 /// <typeparam name="T">实现了 IComparable 接口的任意对象 </typeparam>
 /// <param name="a">比较对象A</param>
 /// <param name="b">比较对象B</param>
 /// <returns></returns>
 private static bool A_LET_B<T>(T a, T b) where T : IComparable
 {
 return a.CompareTo(b) <= ;
 }