mysql c++

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

void main()
{
const char user[] = "root";         //username
const char pswd[] = "root";         //password
const char host[] = "localhost";    //or"127.0.0.1"
const char table[] = "test";        //database
unsigned int port = 3306;           //server port
MYSQL myCont;
MYSQL_RES *result;
MYSQL_ROW sql_row;
MYSQL_FIELD *fd;
char column[32][32];
int res;
mysql_init(&myCont);
if (mysql_real_connect(&myCont, host, user, pswd, table, port, NULL, 0))
{
cout << "connect succeed!" << endl;
mysql_query(&myCont, "SET NAMES GBK"); //设置编码格式,否则在cmd下无法显示中文
res = mysql_query(&myCont, "select * from userinfo");//查询useinfo我建的表
if (!res)
{
result = mysql_store_result(&myCont);//保存查询到的数据到result
if (result)
{
int i, j;
cout << "number of result: " << (unsigned long)mysql_num_rows(result) << endl;
for (i = 0; fd = mysql_fetch_field(result); i++)//获取列名
{
strcpy(column[i], fd->name);
}
j = mysql_num_fields(result);
for (i = 0; i<j; i++)
{
printf("%s\t", column[i]);
}
printf("\n");
while (sql_row = mysql_fetch_row(result))//获取具体的数据
{
for (i = 0; i<j; i++)
{
printf("%s\t", sql_row[i]);
}
printf("\n");
}
}
}
else
{
cout << "query sql failed!" << endl;
}
}
else
{
cout << "connect failed!" << endl;
}
if (result != NULL) mysql_free_result(result);//释放结果资源
mysql_close(&myCont);//断开连接
}//设置64位平台数据库要和软件位数一样//mysql.dll和exe同目录//mysql.h,mysql.lib要包含