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widgets/datamanagementwidget.h

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+#ifndef DATAMANAGEMENTWIDGET_H
+#define DATAMANAGEMENTWIDGET_H
+
+#include <QWidget>
+#include <QLabel>
+#include <QPushButton>
+#include <QTableWidget>
+#include <QComboBox>
+#include <QDateEdit>
+#include <QLineEdit>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QStackedWidget>
+#include <QProgressBar>
+#include <QCheckBox>
+
+/**
+ * @brief 数据管理页面
+ * 提供校准记录、历史数据、数据导出等功能
+ */
+class DataManagementWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  explicit DataManagementWidget(QWidget *parent = nullptr);
+
+signals:
+  void backRequested();
+
+private slots:
+  void onSearchClicked();
+  void onExportClicked();
+  void onDeleteClicked();
+  void onRefreshClicked();
+  void onSelectAllChanged(int state);
+  void onRecordDoubleClicked(int row, int column);
+  void onCategoryChanged(int index);
+  void onSyncClicked();
+  void onBackupClicked();
+  void onRestoreClicked();
+  void onClearHistoryClicked();
+
+private:
+  void setupUI();
+  QWidget *createFilterPanel();
+  QWidget *createDataTable();
+  QWidget *createToolBar();
+  QWidget *createStorageInfoPanel();
+  void populateSampleData();
+  void updateStorageInfo();
+  QString formatFileSize(qint64 bytes);
+  void setupDateEditStyle(QDateEdit *dateEdit);
+
+  // 标题栏
+  QLabel *m_titleLabel;
+  QPushButton *m_backBtn;
+
+  // 筛选控件
+  QComboBox *m_categoryCombo;
+  QDateEdit *m_startDateEdit;
+  QDateEdit *m_endDateEdit;
+  QLineEdit *m_searchEdit;
+  QPushButton *m_searchBtn;
+
+  // 数据表格
+  QTableWidget *m_dataTable;
+  QCheckBox *m_selectAllCheck;
+
+  // 工具栏
+  QPushButton *m_exportBtn;
+  QPushButton *m_deleteBtn;
+  QPushButton *m_refreshBtn;
+  QPushButton *m_syncBtn;
+  QPushButton *m_backupBtn;
+  QPushButton *m_restoreBtn;
+  QPushButton *m_clearHistoryBtn;
+
+  // 存储信息
+  QLabel *m_storageUsedLabel;
+  QLabel *m_recordCountLabel;
+  QProgressBar *m_storageProgressBar;
+
+  // 样式常量
+  static const QString LABEL_STYLE;
+  static const QString BUTTON_STYLE;
+  static const QString PRIMARY_BUTTON_STYLE;
+  static const QString DANGER_BUTTON_STYLE;
+  static const QString INPUT_STYLE;
+  static const QString TABLE_STYLE;
+  static const QString GROUP_STYLE;
+};
+
+#endif // DATAMANAGEMENTWIDGET_H