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  • C#读写TXT文件

    读TXT:

    txtpath = System.AppDomain.CurrentDomain.BaseDirectory.ToString() + "test.txt";
    if (File.Exists(txtpath))
    {
      StreamReader sr = new StreamReader(txtpath, Encoding.UTF8);
      String line;
      while ((line = sr.ReadLine()) != null)
      {
        this.textBox3.Text = line;
      }
      sr.Close();
    }

    写TXT:

    txtpath = System.AppDomain.CurrentDomain.BaseDirectory.ToString() + "test.txt";if (File.Exists(txtpath))
    {
        FileStream stream2 = File.Open(txtpath, FileMode.OpenOrCreate, FileAccess.Write);
        stream2.Seek(0, SeekOrigin.Begin);
        stream2.SetLength(0); //清空txt文件
        StreamWriter sw = new StreamWriter(stream2);
        sw.Write(this.textBox4.Text.ToString());
        sw.Flush();
        sw.Close();
        stream2.Close();
    }
    else
    {
        FileStream fs = new FileStream(txtpath, FileMode.CreateNew);
        StreamWriter sw = new StreamWriter(fs);
        sw.Write(this.textBox4.Text.ToString());
        sw.Flush();
        sw.Close();
        fs.Close();
    }
    
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  • 原文地址:https://www.cnblogs.com/JTCLASSROOM/p/10972153.html
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