Question

#include <iostream>
#include <stdlib.h>
#include "stdafx.h"
#include "funcs.h"
#include "request_handler.h"
#include <fstream>
#include <sstream>
#include <string>
#include <boost/lexical_cast.hpp>
#include "reply.h"
#include "request.h"
#include "Client.h"
#include "Server.h"
#include "Alliance.h"
#include "AllianceCore.h"
#include "Map.h"
#include "City.h"
#include "Hero.h"
#include "Tile.h"

 using namespace std;
 using namespace Poco::Data::Keywords;

{
    gserver->consoleLogger->information("Account doesn't exist");
    Session ses(gserver->serverpool->get());
    Statement select(ses);
    select << "SELECT * FROM `accounts` WHERE `username`= ?;", use(userName);
    select.execute();
    RecordSet rs(select);
}

vs2012不断发出错误c3861：

'use'：找不到标识符

我试过谷歌搜索答案，但几乎不可能在搜索中包含“使用”一词。所以我向stackflow的专业知识屈服，试图帮助我。 “使用”就是这样的

use(username);

是为多条线路发出错误但它始终设置相同“使用（无论名称或字符串等）”

提前感谢。

Answer 1

尝试

using namespace Poco::Data::Keywords
//...
select << "SELECT * FROM `accounts` WHERE `username`= ?;", use(userName);

或

select << "SELECT * FROM `accounts` WHERE `username`= ?;", Poco::Data::Keywords::use(userName);

标识符是未识别的视觉工作室错误“使用”

1 个答案: