说明：  Labview编写的串口读取数据的例程，可以读取串口数据并用txt格式保存到本地。可以用来学习labview的串口编程或者修改编写自己的串口程序。
(Labview serial read data written routines, serial data can be read and saved locally using txt format. Can be used to learn labview serial programming or modify write your own serial procedures.)