如何在WinCC中读取系统时间?
答: 通过如下C-Action:
#pragma code("kernel32.dll");
Void GetLocalTimes(SYSTEMTIME*lpst);
#pragma code();
SYSTEMTIME time;
GetLocalTime(&time);
SetTagWord("Varname",time.wYear);
SetTagWord("Varname",time.wMonth);
SetTagWord("Varname",time.wDayOfWeek);
SetTagWord("Varname",time.wDay);
SetTagWord("Varname",time.wHour);
SetTagWord("Varname",time.wMinute);
SetTagWord("Varname",time.wSecond);
SetTagWord("Varname",time.wMilliseconds);
#pragma code("kernel32.dll");
Void GetLocalTimes(SYSTEMTIME*lpst);
#pragma code();
SYSTEMTIME time;
GetLocalTime(&time);
SetTagWord("Varname",time.wYear);
SetTagWord("Varname",time.wMonth);
SetTagWord("Varname",time.wDayOfWeek);
SetTagWord("Varname",time.wDay);
SetTagWord("Varname",time.wHour);
SetTagWord("Varname",time.wMinute);
SetTagWord("Varname",time.wSecond);
SetTagWord("Varname",time.wMilliseconds);
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