1,从System.String[]转到List<System.String>
System.String[] str={"str","string","abc"}; List<System.String> listS=new List<System.String>(str);
2, 从List<System.String>转到System.String[]
List<System.String> listS=new List<System.String>(); listS.Add("str"); listS.Add("hello"); System.String[] str=listS.ToArray();