StreamReader and StreamWriter of Basic Learning in C #

StreamReader and StreamWriter manipulate characters.

FileStream of the Operation Byte

Use StreamReader to read the file            using (StreamReader sr=new StreamReader (@ "D:\\1.txt", Encoding.UTF8))            {while                (!SR . Endofstream)                {                    Console.WriteLine (Sr.) ReadLine ()); One line reads                }            }            //writes a file with StreamWriter            //true represents the append content, by default overwrites the file            using (StreamWriter sw=new StreamWriter (@ "D:\\1.txt", True))            {                sw. Write ("66666666"); Overwrite the file if it exists            }}

　　

StreamReader and StreamWriter of Basic Learning in C #