vc如何连接mysql

#include <mysql_driver.h>
#include <mysql_connection.h>
#include <cppconn/statement.h>
#include <cppconn/resultset.h>
#include <cppconn/prepared_statement.h>
#include <cppconn/metadata.h>
#include <iostream>

int main() {
    sql::mysql::MySQL_Driver *driver;
    sql::Connection *con;

    try {
        // 创建MySQL驱动实例
        driver = sql::mysql::get_mysql_driver_instance();

        // 连接到数据库
        con = driver->connect("tcp://127.0.0.1:3306", "username", "password");

        // 选择数据库
        con->setSchema("database_name");

        // 执行查询
        sql::Statement *stmt = con->createStatement();
        sql::ResultSet *res = stmt->executeQuery("SELECT * FROM table_name");

        // 处理结果集
        while (res->next()) {
            std::cout << res->getString("column_name") << std::endl;
        }

        // 清理资源
        delete res;
        delete stmt;
        delete con;
    } catch (sql::SQLException &e) {
        std::cerr << "SQL Error: " << e.what() << std::endl;
    } catch (std::runtime_error &e) {
        std::cerr << "Runtime Error: " << e.what() << std::endl;
    }

    return 0;
}