63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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#ifndef DATACENTER_H
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#define DATACENTER_H
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#include <QObject>
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#include <QVariant>
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#include <QTimer>
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#include <QMap>
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#include <QStringList>
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#include "OpcUaManager.h"
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#include <GlobalDefinitions/Variable.h>
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class DataCenter : public QObject
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{
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Q_OBJECT
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public:
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explicit DataCenter(OpcUaManager *opcManager, QObject *parent = nullptr);
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// 添加需要监控的节点
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void addMonitoredNode(const QString &nodeId, const QString &nodeName,const QString &varName,const QString &TableName,const QString &FieldName);
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// 开始/停止循环读取
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void startCyclicRead(int intervalMs);
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void stopCyclicRead();
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// 获取最新的节点值
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QVariant getNodeValue(const QString &nodeId) const;
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QVariant getNodeValueByName(const QString &nodeName) const;
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// 获取所有节点信息
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QMap<QString, QString> getAllNodeNames() const { return gOPC_NodeName; }
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void InitData();
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signals:
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// 节点值更新信号（供UI层订阅）
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void nodeValueUpdated(const QString &nodeId, const QString &nodeName,const QString &varName, const QVariant &value);
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// 错误信号
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void errorOccurred(const QString &errorString);
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private slots:
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// 定时器触发，执行循环读取
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void onTimerTimeout();
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// 处理OPC读取结果
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void handleReadCompleted(const QVariant &value, const QString &nodeId);
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void refreshAllNodes();
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private:
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/** @brief OPC操作实例（不负责所有权） */
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OpcUaManager *m_opcManager;
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/** @brief 循环读取定时器 */
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QTimer *m_cyclicTimer;
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/** @brief 当前读取索引 */
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int m_currentReadIndex;
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//GlobalType DC_SetST; // 数据中心,给变量赋值
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};
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#endif // DATACENTER_H
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