C# 存储日志

 存储日志

 public void log(string neirong)
        {
            var path = @"d:\xx文件名xx\log\" + "日志" + ".log";
            using (streamwriter st = new streamwriter(path, append: true))
            {
                st.writeline( "  " + datetime.now + "  " + neirong);
            }
        }