轻量级数据sqlite的C++调用示例

#include "stdafx.h"

#include "sqlite3.h"

static int callback(void *NotUsed, int argc, char **argv, char **azColName)

{

    int i;

    for(i=0; i<argc; i++){

       printf("%s = %s/n", azColName[i], argv[i] ? argv[i] : "NULL");

    }

    printf("/n");

    return 0;

}

#define CHECK_RC(rc,szInfo,szErrMsg,db) if(rc!=SQLITE_OK) \
           {printf("%s error!/n",szInfo);           printf("%s/n",szErrMsg);           sqlite3_free(szErrMsg);           sqlite3_close(db);           return 0;}

int _tmain(int argc, _TCHAR* argv[])

{

  

    sqlite3 *db;

    char *dbPath="f:/test.db";

    char *szErrMsg = 0;

  

    int rc= sqlite3_open(dbPath, &db);

    CHECK_RC(rc,"open database",db);

    char *szSql="create table UserInfo(ID int primary key , UserName char, PassWord char);";

    rc=sqlite3_exec(db,szSql,0,0,&szErrMsg);

    CHECK_RC(rc,"create table",szErrMsg,db);

    rc=sqlite3_exec(db,"insert into UserInfo(ID,UserName,PassWord) values(1,‘kfqcome‘,‘123456‘)",0,0,&szErrMsg);

    CHECK_RC(rc,"insert info",szErrMsg,db);

    rc=sqlite3_exec(db,"insert into UserInfo(ID,UserName,PassWord) values(2,‘miss wang‘,‘654321‘)",0,0,&szErrMsg);

    CHECK_RC(rc,"insert info",szErrMsg,db);

    szSql="select * from UserInfo";

    rc = sqlite3_exec(db,szSql, callback, 0, &szErrMsg);

    CHECK_RC(rc,"query values",szErrMsg,db);

    sqlite3_close(db);

    getchar();

    return 0;

}