2012-08-30 C# array Union Extension 1662 0 C# 摘要:C# array Union Extension string[] a = new string[] { "C1", "C2", "C3" }; string[] b = new string[] { "C3", "C4", "C5" }; string total = String.Join(",", a.Union(b).ToArray()); total=C1,C2,C3,C4,C5 C# array Union Extension 回首頁