C++ 连接Mysql数据库

#include<Windows.h>
#include<stdio.h>
/*#include<WinSock.h>*/
#include <mysql.h>
int main()
{
    MYSQL *con = mysql_init((MYSQL *)0);
    MYSQL_RES *res;
    MYSQL_ROW row;

    char tmp[400];

    //database configuartion
    char dbuser[30] = "root";
    char dbpasswd[30] = "";
    char dbip[30] = "127.0.0.1";
    char dbname[50]="mysql";
    char tablename[50]="test";
    char *query=NULL;

    int x;
    int y;
    int rt;
    unsigned int t;
    int count = 0;

    printf("input x,y\n");
    scanf("%d,%d", &x,&y);
    fflush(stdin);
    printf("input ouver\n");
    con = mysql_init(0);      //第一步初始化
    if(con!=NULL&&mysql_real_connect(con,dbip,dbuser,dbpasswd,dbname,3306,NULL,0)) //第二步连接数据库
    {
        if (!mysql_select_db(con,dbname))  //第三步选择数据库
        {
            con->reconnect = 1;
            query = "SELECT * FROM user";
            if (rt = mysql_real_query(con,query,strlen(query)))  //第四步执行命令
            {
                query = "";
            }
            else
            {
                res = mysql_store_result(con);     //第五步获取返回结果
                while(row = mysql_fetch_row(res))
                {
                    for (t=0;t<mysql_num_fields(res);t++)
                    {
                        printf("%s  ",row[t]);
                    }
                }
            }        
        }
    }
}