81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
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#ifndef _GdSQLite3_H_
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#define _GdSQLite3_H_
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#include <QString>
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#include <QVariant>
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#include <thread>
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#include <chrono>
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using namespace std;
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#include "./include/SQLite3/sqlite3.h"
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/*
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* 基础数据库类
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*/
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class GdSQLite3
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{
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friend class GdSQLite3RecordSet;
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public:
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GdSQLite3();
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~GdSQLite3();
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//
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bool OpenDB(const QString& strDBName);
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void CloseDB();
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bool IsOpen();
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bool Execute(const QString& strSQL);
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//
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bool QueryAllTableInfo(QString& strResult, const QString& strTable);
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protected:
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sqlite3* GetDB();
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private:
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static int CallBack_Execute(void* pOwner, int nColCount, char** lpszValue, char** lpszColName);
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int DoExecute(int nColCount, char** lpszValue, char** lpszColName);
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private:
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bool EgTransaction();
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private:
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sqlite3* m_pDB;
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bool m_bOpen;
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QString m_strDBName;
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QString m_strLastQueryResult;
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};
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/*
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* 数据集类
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*/
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class GdSQLite3RecordSet
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{
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public:
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enum eDataType
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{
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eDT_Int = 1,
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eDT_Int64 = 2,
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eDT_Double = 3,
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eDT_Text = 4,
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eDT_Blob = 5,
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};
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GdSQLite3RecordSet(GdSQLite3* pGdSQLite3);
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~GdSQLite3RecordSet();
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bool Open(const QString& strQuerySQL);
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void Close();
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bool Next();
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bool GetValue(QVariant& varVal, int nCol, GdSQLite3RecordSet::eDataType eDT);
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private:
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GdSQLite3* m_pGdSQLite3;
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sqlite3_stmt* m_pStmt;
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bool m_bOpen;
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bool m_bValueReady;
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};
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#endif // _GdSQLite3_H_
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