摘要: List<int> list = new List<int>(); int[] arr = list.ToArray(); if (arr != null) { Console.WriteLine(arr.Length); } int[] arr1 = new int[0]; if (arr1 != 阅读全文
posted @ 2024-01-17 20:27 double64 阅读(102) 评论(0) 推荐(1)