<?php
$servername = "127.0.0.1";
$username = "douyin";
$password = "douyin.2020";
$dbname = "douyin";

$daodao=0;//默认导入0条数据 
$fugai=0;//默认覆盖0条数据

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);
// 检测连接
?>