将串口通信数据采集代码放到Timer中，将采集来得数据通过ADO对象存入Access数据库。 2、将采集来的数据以时间（x）、数据（y）的结构存入一个结构数组，以便绘制曲线(The serial communication data acquisition code is placed in Timer, and the collected data is stored in the Access database through the ADO object. 2, the collected data will be stored in a structure array with the structure of time (x) and data (y), so as to draw curves.)