string txt = @"E:\homework\data.txt";//设置文本生成的路径
FileStream fileStream = new FileStream(txt, FileMode.Append);//保证不覆盖原内容
StreamWriter streamWriter = null;
streamWriter
string txt = @"E:\homework\data.txt";//设置文本生成的路径
FileStream fileStream = new FileStream(txt, FileMode.Append);//保证不覆盖原内容
StreamWriter streamWriter = null;
streamWriter