#include <stdio.h>#include <libpq-fe.h>#include <qcstring.h>#include <qstringlist.h>#include <libpq/libpq-fs.h>#include <fcntl.h>#include <stdlib.h>#include <linux/ext2_fs.h>#include <unistd.h>#include <sys/ioctl.h>#include <sys/types.h>#define BUFSIZE                  1024class CDataBase{    public:    CDataBase();    ~CDataBase();    public:    bool ConnectDataBase();						//連接數(shù)據(jù)庫    bool ConnectDataBase(long &hdbc,QCString dbname,			 QCString dbuser,QCString dbpass);			//連接數(shù)據(jù)庫    bool DisConnectDataBase(long &hdbc);					//斷開數(shù)據(jù)庫    int SqlExec(long hdbc,QCString SqlStr);				//執(zhí)行一個(gè)SQL語句    long SqlSelect(long hdbc,QCString SqlStr,long &result);			//查詢數(shù)據(jù);返回記錄數(shù)    int  GetRecordCount(long result);					//得到記錄數(shù)    int  GetFieldCount(long result);					//得到字段數(shù)量    QCString GetFieldName(long result,unsigned int iField);			//得到字段名稱    int GetFieldType(long result,unsigned int iField);				//得到字段類型    QCString GetFieldValue(long result,unsigned int iRow,unsigned int iField);	//得到字段值    void ClearResult(long &result);						//釋放結(jié)果內(nèi)存    //使用游標(biāo)查詢數(shù)據(jù)庫    bool OpenCursor(long hdbc,QCString SqlStr,long &pCursor);		//打開一個(gè)光標(biāo)    bool FetchPriorRow(long hdbc,long pCursor,long &result);			//讀取當(dāng)前記錄的上一條記錄    bool FetchNextRow(long hdbc,long pCursor,long &result);			//讀取當(dāng)前記錄的下一條記錄    bool FetchAllRow(long hdbc,long pCursor,long &result);			//讀取所有記錄    void CloseCursor(long hdbc,long &pCursor);				//關(guān)閉光標(biāo)    //大文本對(duì)象的處理    bool InsertWithLargeObject(long hdbc,QCString SqlStr,QStringList FileList); //插入大對(duì)象    bool DeleteWithLargeObject(long hdbc,QCString Table,QCString WhereStr,QStringList FieldList,			       bool bForceDele=0,bool bDeleRow=1);    //刪除大對(duì)象    bool UpdateLargeObject(long hdbc,QCString SqlStr,QStringList FileList);   //修改大對(duì)象    public:    QCString FillParam(QCString SqlStr,int ParamIndex,int ParamType,		       QCString param);                           //填充參數(shù)    void GetTableFromSql(QCString SqlStr,QCString &Table,QCString &WhereStr,QStringList &FieldList);      Oid importfile(long hdbc,char *filename);    bool pickout(long hdbc,Oid objId,int start,int len,void* retbuf);    bool overwrite(long hdbc,Oid lobjId,int start,int len,void* srcbuf);    bool exportfile(long hdbc,Oid objId,char *filename);    public:    PGconn 		      *m_pconnect;    QCString   			m_pghost;    QCString 			m_pgport;    QCString			m_pgoptions;    QCString			m_pgtty;    QCString			m_dbname;    QCString			m_dbuser;    QCString			m_dbpassword;    //引入影射變量    long 			 m_hdbc;    bool                     m_bconnect;    };