big-change：添加两种类型结构读写支持

src/uhistory.h

@@ -0,0 +1,31 @@
+#ifndef UHISTORY_H
+#define UHISTORY_H
+
+#include <QDialog>
+#include "history.h"
+
+namespace Ui {
+class CUIHistory;
+}
+
+class CUIHistory : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit CUIHistory(QWidget *parent, CHistory* his);
+    ~CUIHistory();
+
+private:
+    void showEvent(QShowEvent* event);
+    void select_ok();
+
+public:
+    QString cur_{};
+
+private:
+    Ui::CUIHistory *ui;
+    CHistory* his_{};
+};
+
+#endif   // UHISTORY_H