mysql & vs2013

#include<Windows.h> 
#include<string> 
#include<iostream> 
#include<mysql.h> 
#include<stdio.h>
#include<io.h>

int main()
{
    //connectionparams 
    char *host = "localhost";
    char *user = "root";
    char *pass = "***";//你的mysql服务器密码 
    char *db = "***";  //使用的database数据库
    unsigned int port = 3306; //server port 
    MYSQL *sock;
    MYSQL_RES *res;
    MYSQL_FIELD * fd;
    MYSQL_ROW row;
    char szSqlText[500] = "";
    int i;
    int tcreate = 0;
    sock = mysql_init(0);// return An initialized MYSQL* handle or null when there is no enough memory
    if (sock && mysql_real_connect(sock, host, user, pass, db, 0, NULL, 0))
    {
        std::cout << "connect mysql succeed!" << std::endl;
        mysql_set_character_set(sock,"utf8"); 
    //    mysql_query(sock, "set names gb2312");
        /* character-set-server/default-character-set：服务器字符集，默认情况下所采用的。
           character-set-database：数据库字符集。
           character-set-table：数据库表字符集。
           优先级依次增加。所以一般情况下只需要设置character-set-server，
           而在创建数据库和表时不特别指定字符集，这样统一采用character-set-server字符集。*/
        //mysql_query(sock, "SET NAMES GBK"); //设置编码格式,否则在cmd下无法显示中文 
        //connectioncharacter set 
        //waitfor possibility to check system/mysql mysqlets 
        if (tcreate)
        {
            sprintf_s(szSqlText, 200, "create table id (ID varchar(10) not null primary key,cenroid float,width int(11)");  //构造SQL语句 新建一张表 
            std::cout << "Create table id!" << std::endl;
            getchar();
            tcreate = 1;
            if (mysql_query(sock, szSqlText))//执行Dsql语句,并判断是否出错 
            {
                std::cout << "can‘t create table,maybe the data property is wrong :  " << mysql_error(sock) << std::endl;
                // tcreate = 0; 
                mysql_close(sock);
                return FALSE;

            }
        }
            sprintf_s(szSqlText, 200,//向mytable这个表插入数据 注意格式 
                "insert into id1 values(‘sL‘,‘69‘,‘60‘)");
            std::cout << "Insert data to table!" << std::endl;
            getchar();
            if (mysql_query(sock, szSqlText))
            {
                std::cout << "Can‘t insert data to table" << mysql_error(sock) << std::endl;
                getchar();
                mysql_close(sock);
                return FALSE;
            }
            sprintf_s(szSqlText, 200, "select* from id1");
            std::cout << "select* from id1!" << std::endl;
            getchar();
            if (mysql_query(sock, szSqlText))//进行数据检索并检查有无错误 
            {
                mysql_close(sock);
                return FALSE;
            }
            else
            {
                std::cout << "mysql_store_result!" << std::endl;
                res = mysql_store_result(sock);//取得查询结果,保存查询到的数据到res 
                i = (int)mysql_num_rows(res);//取得有效记录数 
                std::cout << "Query: " << szSqlText << "\n" << i << " records found:" << std::endl;
                for (i = 0; fd = mysql_fetch_field(res); i++)//获取列名 
                    std::cout << fd->name << "\t";
                std::cout << std::endl;//输出各字段名 
                while (row = mysql_fetch_row(res))//获取具体的数据,依次读取各条记录 
                    std::cout << row[0] << "\t" << row[1] << "\t" << row[2] << "\t" << std::endl;
                mysql_free_result(res); //释放结果资源 
                getchar();
            }

        }
        else//连接数据库出错 
        {
            std::cout << "cannot connect to the sock sever " << mysql_error(sock) << std::endl;
            getchar();
            mysql_close(sock);
            return FALSE;
        }
        mysql_close(sock);//断开连接 
        //    system("pause");

        return TRUE;
    }