nameddatabase.h

Symbian文件数据库的实例源代码 很不错

//database name
_LIT(KtxDatabaseName, "Items.db");
 
// database column names
_LIT(NCol0, "index");
_LIT(NCol1, "name");
_LIT(NCol2, "value");
 
// database table name
_LIT(KtxtItemlist, "itemlist");
 
class TExampleItem
{
    public:
        TExampleItem(): iIndex(-1){};
    public:
        TInt 		iIndex;
        TBuf<100> 	iName, iValue;
};
    
 
class CMyDBClass : public CBase
{
public : 
    void ConstructL();
    ~CMyDBClass();
public:
    void DeleteFromDatabaseL(TInt& aIndex);
    void UpdateDatabaseL(const TDesC& aName, const TDesC& aValue, TInt& aIndex);
    void SaveToDatabaseL(const TDesC& aName, const TDesC& aValue, TInt& aIndex);
    void ReadDbItemsL(RArray<TExampleItem>&	aItemArray);
private:
    void CreateTableL(RDbDatabase& aDatabase);
private:
    RDbNamedDatabase iItemsDatabase;
    RFs iFsSession;
};