mark一下

#include "sqlite3.h" #include <windows.h>#pragma comment(lib,"sqlite3.lib")int _tmain(int argc, _TCHAR* argv[]) {char *zErrMsg = 0;int nRet;sqlite3 *db=NULL;nRet = sqlite3_open( "E:\\Login Data", &db ); if ( 0 != nRet ){printf("Open db error %s\n", sqlite3_errmsg(db));sqlite3_close( db ); }else { printf( "open db success\n" ); }//insert datachar strSql[MAX_PATH];strcpy(strSql,"insert into logins (origin_url,username_value,password_element,signon_realm,ssl_valid,preferred,date_created,blacklisted_by_user,scheme) values ('bb','admin','123','fuck',0,0,0,0,0)");nRet = sqlite3_exec( db , strSql , 0 , 0 , &zErrMsg );if ( 0 != nRet ) { printf("Insert Error:%s", zErrMsg); }else { printf("Insert OK\n"); }//query dataint nRow = 0, nColumn = 0;int index,nResult;char **azResult; //二維數組存放結果strcpy(strSql,"SELECT origin_url, action_url, username_element, username_value, password_element, password_value, signon_realm, date_created from logins");nResult = sqlite3_get_table( db , strSql , &azResult , &nRow , &nColumn , &zErrMsg );printf( "row:%d column=%d \n" , nRow , nColumn );printf( "\nThe result of querying is : \n" );int i,j;if( SQLITE_OK == nResult){//查詢成功index = nColumn; //前面說過 dbResult 前面第一行數據是字段名稱，從 nColumn 索引開始才是真正的數據printf("查到%d條記錄\n", nRow );for(i = 0; i < nRow ; i++ ){printf("第 %d 條記錄\n", i+1 );for( j = 0 ; j < nColumn; j++ ){printf("字段名:%s > 字段值:%s\n",azResult[j],azResult[index]);index++; // dbResult 的字段值是連續的，從第0索引到第 nColumn - 1索引都是字段名稱，從第 nColumn 索引開始，后面都是字段值，它把一個二維的表（傳統的行列表示法）用一個扁平的形式來表示}printf("-------\n");}}//delete datastrcpy(strSql,"DELETE FROM logins WHERE username_value='admin'");nRet = sqlite3_exec( db , strSql , 0 , 0 , &zErrMsg );if ( 0 != nRet ) { printf("Delete Error:%s", zErrMsg);}else{printf("Delete OK\n");}//釋放azResult 的內存空間sqlite3_free_table( azResult );//關閉數據庫sqlite3_close( db );getchar();return 0; }

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