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摘要： 调整数据列表内的顺序，现写成扩展方法工具类 public static class CollectionHelper { //交换List项的顺序 public static bool ExchangeOrder<T>(this IList<T> list, int sourceID, int newID) { if (sourceID >= list.Count || sourceID < 0 || newID >= list.Count || newID < 0 || sourceID == newID) retu... 阅读全文