【mysql5.6】连接vs2010

#include<iostream>
#include "winsock.h"
#include "mysql.h"
using namespace std;


int main()
{
    MYSQL * mysql;
    mysql = mysql_init(NULL);
    char * sql = "select * from emp";
    MYSQL_RES * result;
    MYSQL_ROW row;
    int r, num;

    if(mysql_real_connect(mysql, "localhost","root",NULL,"test1",3306,NULL,0))
    {
        mysql_set_character_set(mysql,"gbk");
        if(!mysql_query(mysql, sql))
        {
            result = mysql_store_result(mysql);
            if(result == NULL)
                return 0;
            num = mysql_num_fields(result);
            unsigned long * lengths = mysql_fetch_lengths(result);
            while(row = mysql_fetch_row(result))
            {
                for(r = 0; r < num; ++r)
                {
                    cout<<row[r]<<‘ ‘;
                }
                cout<<endl;
            }
            mysql_free_result(result);
        }
        mysql_close(mysql);
    }



    return 0;
}