c#写CSV

public void SaveResult(string Content)
  {       
    WriteCsv("E:/"+sampleName + ".csv", Content); //保存路径
  }
  public void WriteCsv(string FilePath, string WriteContent)
  {
    //打开一个文件流
    FileStream fs = new FileStream(FilePath, FileMode.Append);
    //处理文本文件的类
    StreamWriter sw = new StreamWriter(fs, Encoding.Default);
    sw.Write(WriteContent + "\n");
    sw.Close();
    fs.Close();
  }