wapp.num = 0;

//写入数据，记录输入端口 wa_data_write("insel", 1);

//写入数据，记录输入端口 wa_data_write("insel", 2);

//写入数据，记录输入端口 wa_data_write("insel", 3);

//写入数据，记录输入端口 wa_data_write("insel", 4);

//读取选择的输入 var input = wa_data_read("insel"); //合并命令，发送到COM1 var cmd = "SW " + input + " 1." wa_com(9, cmd);

//读取选择的输入 var input = wa_data_read("insel"); //合并命令，发送到COM1 var cmd = "SW " + input + " 2." wa_com(9, cmd);

//读取选择的输入 var input = wa_data_read("insel"); //合并命令，发送到COM1 var cmd = "SW " + input + " 3." wa_com(9, cmd);

//读取选择的输入 var input = wa_data_read("insel"); //合并命令，发送到COM1 var cmd = "SW " + input + " 4." wa_com(9, cmd);

//读取选择的输入 var input = wa_data_read("insel"); //合并命令，发送到COM1 var cmd = input + "ALL." wa_com(9, cmd);