php爬虫怎么运行

<?php
require '/vendor/autoload.php';
use phpspider\core\phpspider;

/* Do NOT delete this comment */
/* 不要删除这段注释 */

$configs = array(
'name' => '简书',
'log_show' =>false,
'tasknum' => 1,
//数据库配置
'db_config' => array(
'host'  => '127.0.0.1',
'port'  => 3306,
'user'  => 'root',
'pass'  => '',
'name'  => 'demo',
),
'export' => array(
'type' => 'db',
'table' => 'jianshu',  // 如果数据表没有数据新增请检查表结构和字段名是否匹配
),
//爬取的域名列表  
'domains' => array(
    'jianshu',
    'www.jianshu.com'
), 
//抓取的起点
'scan_urls' => array(
    'https://www.jianshu.com/c/V2CqjW?utm_medium=index-collections&utm_source=desktop'
),
//列表页实例
'list_url_regexes' => array(
    "https://www.jianshu.com/c/\d+"
),
//内容页实例
//  \d+  指的是变量
'content_url_regexes' => array(
    "https://www.jianshu.com/p/\d+",
),
'max_try' => 5,

'fields' => array(
    array(
        'name' => "title",
        'selector' => "//h1[@class='title']",
        'required' => true,
    ),
    array(
        'name' => "content",
        'selector' => "//div[@class='show-content-free']",
        'required' => true,
    ),
),
);

$spider = new phpspider($configs);
$spider->start();

php -f d:\jianshu\spider.php