串口键盘模拟程序，从串口扫描枪读取数据并模拟键盘录入。 采用winio模拟，未解决x64平台下加载问题。 半成品，慎用(Serial keyboard simulation program, read data from the serial scan gun and simulate keyboard input. Using WINIO simulation, the loading problem of x64 platform is not solved. Careful use