StreamWriter(xxxx)参数若写为字符变量该怎么写

StreamWriter(xxxx)参数若写为字符变量该如何写


StreamWriter(xxxx)， 参数若写为字符变量该如何写

[解决办法]

C# code

            string s = "e:\\1.txt";            System.IO.StreamReader reader = new System.IO.StreamReader(s);