1.StreamWriter Write 不換行寫入 存在會覆蓋原檔案

 1         /// <summary>
 2         /// StreamWriter Write方法不換行寫入檔案
 3         /// </summary>
 4         public static void Write()
 5         {
 6             using StreamWriter streamWriter = new StreamWriter("StreamWriterText.txt");
 7 
 8             while
 
 (true)
 9             {
10                 string message = Console.ReadLine();
11 
12                 if (message == "q")
13                     break;
14 
15                 streamWriter.Write(message);
16             }
17         }

2.StreamWriter WriteLine 換行寫入 存在會覆蓋原檔案

 1         /// <summary>
 

 2         /// StreamWriter WriteLine方法換行寫入檔案
 3         /// </summary>
 4         public static void WriteLine()
 5         {
 6             using StreamWriter streamWriter = new StreamWriter("StreamWriterLine.txt");
 7 
 8             while (true)
 9             {
10                 string message = Console.ReadLine();
 
11                 if (message == "thank you")
12                 {
13                     Console.WriteLine("退出當前程式");
14                     break;
15                 }
16                 streamWriter.WriteLine(message);
17             }
18         }