比较器 排序

<textarea cols="50" rows="15" name="code" class="c-sharp">class Program { static void Main(string[] args) { Data[] array = new Data[] { new Data() { a = 1 }, new Data() { a = 3 }, new Data() { a = 2 } }; Array.Sort(array,new MyComparer()); foreach (var item in array) { Console.WriteLine(item.a); } Console.ReadKey(); } } class Data { public int a{get;set;} } class MyComparer : IComparer { #region IComparer Members public int Compare(object x, object y) { Data a = x as Data; Data b = y as Data; if (a.a &gt; b.a) return 1; else if (a.a == b.a) return 0; else return -1; } #endregion }</textarea>

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