摘要： 两个排序接口:IComparable与IComparer,均有泛型支持public interface IComparable { int CompareTo(object obj); }public interface IComparer{ int Compare(object x,object y);}基类型都实现了IComparable.string a = "aa";string b = "bb";int return = a.CompareTo(b);return=-1;返回值:a>b,返回1;a=b,返回0;a<b,返回-1.in 阅读全文