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懒羊羊

2023-08-30 71e81ed1d12e4d69f53c8ad9e066650ad4186293

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package cn.stylefeng.guns.plcserver.server.DOP020.callback;
 
import cn.stylefeng.guns.plcserver.opc.GlobalVariable;
import org.jinterop.dcom.common.JIException;
import org.jinterop.dcom.core.JIVariant;
import org.openscada.opc.lib.da.DataCallback;
import org.openscada.opc.lib.da.Item;
import org.openscada.opc.lib.da.ItemState;
 
public class DataCallBack_DOP020_J_PLC_START implements DataCallback {
    @Override
    public void changed(Item item, ItemState itemState) {
 
        // 读取变量的值
        try {
            if (itemState.getValue().getType() == JIVariant.VT_BOOL) {
                boolean value = itemState.getValue().getObjectAsBoolean();
                GlobalVariable.DOP020_J_PLC_START = value;
            }
        } catch (JIException e) {
            e.printStackTrace();
        }
    }
}