C++连接mysql

#include <iostream>
#include <mysql.h>
using namespace std;
int main()
{
 MYSQL mysql;
 mysql_init(&mysql);
 const char *host = "127.0.0.1";
 const char *user = "root";
 const char *pass = "root";
 const char *db = "wlxmysql"; // 数据库名称（已存在）
 if (!mysql_real_connect(&mysql, host, user, pass, db, 3306, 0, 0))
 {
  cout << "Failed" << endl;
 }
 else
 {
  cout << "success" << endl;
 }
 system("pause");
 return 0;
}