682 lines
23 KiB
PHP
682 lines
23 KiB
PHP
<?php
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namespace app\common\utils\crawl\service;
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use GuzzleHttp\Client;
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use QL\QueryList;
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use support\Redis;
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use support\Db;
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use support\exception\BusinessException;
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class UsedCarCrawl_bak
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{
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/**
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* 插入队列url
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*
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* $scene 二手信息 usedcar 配置信息 config
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*/
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public function iUrl(string $url = '', string $scene = 'usedcar', int $id = 0)
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{
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return Redis::lpush('usedcar:urls', json_encode([
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'scene' => $scene,
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'url' => $url,
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'id' => $id
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], JSON_UNESCAPED_UNICODE));
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}
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/**
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* 获取队列url
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*
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* $scene 二手信息 usedcar 配置信息 config
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*/
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public function rUrl()
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{
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return json_decode(Redis::rPop('usedcar:urls'), true);
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}
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/**
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* 执行抓取
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*/
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public function doData()
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{
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try {
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$raw = $this->rUrl();
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if (!$raw) {
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return false;
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}
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$html = $this->getHtml($raw['url']);
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switch ($raw['scene']) {
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case 'usedcar':
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$info = $this->getUsedDetail($html, $raw['url']);
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$id = $this->saveUsedcarBasicToDb($info);
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$this->iUrl($info['car_id_url'], 'config', $id);
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break;
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case 'config':
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$data = $this->getConfigDetail($html);
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$this->saveUsedcarConfigToDb($data, $raw['id']);
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break;
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}
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return true;
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} catch (\Throwable $th) {
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throw new BusinessException($th->getMessage().'|'.$th->getLine().'|'.$th->getFile());
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}
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}
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/**
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* 获取html
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*/
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public function getHtml($url)
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{
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$client = new Client();
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$res = $client->request('GET', $url, [
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'headers' => [
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'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
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. 'AppleWebKit/537.36 (KHTML, like Gecko) '
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. 'Chrome/120.0.0.0 Safari/537.36',
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'Accept-Language' => 'zh-CN,zh;q=0.9',
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'Referer' => 'https://www.dongchedi.com/'
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]
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]);
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return (string)$res->getBody();
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}
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/**
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* 获取二手信息
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*/
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public function getUsedDetail(string $html = '', string $url = '')
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{
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$ql = QueryList::html($html);
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$title = $ql->find('h1')->text();
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$price = $ql->find('.head-info_price-wrap__Y4bxi > p')->text();
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$pageText = $ql->find('body')->text();
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$jsonText = $ql->find('#__NEXT_DATA__')->text();
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// 新车指导价
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$newPrice = '';
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if ($pageText) {
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if (preg_match('/新车指导价[:：]\s*([^\r\n万]*万)/u', $pageText, $m)) {
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$newPrice = trim(preg_replace('/[^0-9.]/', '', $m[1]));
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}
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}
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// 比新车省
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$priceDifference = '';
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if ($pageText) {
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if (preg_match('/比新车省[:：]\s*([^\r\n万]*万)/u', $pageText, $m)) {
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$priceDifference = trim(preg_replace('/[^0-9.]/', '', $m[1]));
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}
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}
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// 车况介绍
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$conditionDesc = '';
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if ($pageText) {
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if (preg_match('/车况介绍\s*(.*?)\s*推荐理由/su', $pageText, $m)) {
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$conditionDesc = trim($m[1]);
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}
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}
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$jsonArray = json_decode($jsonText, true);
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// 车辆相册
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$images = $jsonArray['props']['pageProps']['skuDetail']['head_images'] ?? [];
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// 车辆ID
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$carId = $jsonArray['props']['pageProps']['skuDetail']['car_info']['car_id'] ?? 0;
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// 车辆年份
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$year = $jsonArray['props']['pageProps']['skuDetail']['car_info']['year'] ?? 0;
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// 车辆ID URL
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$carIdUrl = $carId ? ('https://www.dongchedi.com/auto/params-carIds-' . $carId) : '';
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// 能源类型
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$fuelForm = $jsonArray['props']['pageProps']['skuDetail']['car_config_overview']['power']['fuel_form'] ?? '';
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$newFuelForm = $jsonArray['props']['pageProps']['skuDetail']['car_config_overview']['new_energy_power']['fuel_form'] ?? '';
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$resultFuelForm = $fuelForm === '' ? $newFuelForm : $fuelForm;
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// 使用里程
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$importantText = $jsonArray['props']['pageProps']['skuDetail']['important_text'] ?? '';
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$importantTextArray = explode(' | ', $importantText);
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$usageMileage = str_replace('万公里', '', isset($importantTextArray[1]) ? $importantTextArray[1] : '');
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// 车辆名称 品牌、车系、车型
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$brandName = $jsonArray['props']['pageProps']['skuDetail']['car_info']['brand_name'] ?? '';
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$seriesName = $jsonArray['props']['pageProps']['skuDetail']['car_info']['series_name'] ?? '';
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$carName = $jsonArray['props']['pageProps']['skuDetail']['car_info']['car_name'] ?? '';
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// 商家信息
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$shopInfo = $jsonArray['props']['pageProps']['skuDetail']['shop_info'] ?? [];
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$formatShopInfo = [
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'shop_id' => $shopInfo['shop_id'] ?? 0,
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'shop_name' => $shopInfo['shop_short_name'] ?? '',
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'shop_address' => $shopInfo['shop_address'] ?? ''
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];
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// 简介参数
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$otherParams = $jsonArray['props']['pageProps']['skuDetail']['other_params'] ?? [];
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// 排量
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$displacement = $this->getOtherParamValue($otherParams, '排量');
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// 变速箱
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$gearbox = $this->getOtherParamValue($otherParams, '变速箱');
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// 格式化车辆信息
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$formatCarInfo = [
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'displacement' => $displacement,
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'gearbox' => $gearbox
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];
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// 整理车辆信息
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$info['used_car_id'] = $this->getLastIdFromUrl($url);
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$info['car_id'] = $carId;
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$info['url'] = $url;
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$info['title'] = $title;
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$info['price'] = str_replace('万', '', $this->decodeDongchediPrice($price));
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$info['new_price'] = str_replace('万', '', $newPrice);
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$info['price_difference'] = str_replace('万', '', $priceDifference);
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$info['condition_desc'] = $conditionDesc;
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$info['images'] = json_encode($images);
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$info['car_id_url'] = $carIdUrl;
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$info['used_detail'] = $jsonText;
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$info['format_shop_info'] = json_encode($formatShopInfo);
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$info['fuel_form'] = $resultFuelForm;
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$info['classify_energy'] = $this->detectEnergyType($resultFuelForm);
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$info['usage_mileage'] = $usageMileage;
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$info['brand_name'] = $brandName;
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$info['series_name'] = $seriesName;
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$info['car_name'] = $carName;
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$info['year'] = $year;
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$info['format_car_info'] = json_encode($formatCarInfo);
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return $info;
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}
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/**
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* 获取配置信息
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*/
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public function getConfigDetail(string $html = '')
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{
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$ql = QueryList::html($html);
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$jsonText = $ql->find('#__NEXT_DATA__')->text();
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$raw = json_decode($jsonText, true);
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$properties = $raw['props']['pageProps']['rawData']['properties'] ?? [];
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$carInfo = $raw['props']['pageProps']['rawData']['car_info'][0] ?? [];
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$valuesMap = $this->buildValuesMapFromCarInfo($carInfo);
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$groups = $this->buildCarSpecGroups($properties, $valuesMap);
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$data['format_car_info'] = [
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'market_time' => $this->getFieldValue($groups, 'market_time'), // 上市时间
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'driver_form' => $this->getFieldValue($groups, 'driver_form'), // 驱动形式
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'seat_count' => $this->getFieldValue($groups, 'seat_count'), // 座位数
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'engine_description' => $this->getFieldValue($groups, 'engine_description'), // 发动机
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'engine_max_power_horsepower' => $this->getFieldValue($groups, 'engine_max_power_horsepower'), // 发动机最大功率
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'electric_description' => $this->getFieldValue($groups, 'electric_description'), //电动机
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'battery_capacity' => $this->getFieldValue($groups, 'battery_capacity'), //电池容量
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'battery_type' => $this->getFieldValue($groups, 'battery_type'), // 电池类型
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'recharge_mileage' => $this->getFieldValue($groups, 'recharge_mileage') // 续航里程
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];
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$data['groups'] = $groups;
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return $data;
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}
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/**
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* 从车辆配置 JSON 数据中获取能源类型
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*
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* @param array $data JSON 数据
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* @return string|null 能源类型，如 '油电混合'、'纯电动'、
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*/
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public function getFuelFormByConfigInfo(array $data)
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{
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$fuelForm = null;
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foreach ($data[0]['items'] as $item) {
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if ($item['key'] === 'fuel_form') {
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$fuelForm = $item['value'];
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break;
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}
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}
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return $fuelForm;
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}
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/**
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* 从车辆配置 JSON 数据中根据字段 key 获取对应的 value
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*
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* @param string|array $data JSON 字符串 或 已解析的数组
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* @param string $field 要查找的字段 key（如 'fuel_form'）
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* @return string|null 找到则返回 value，否则返回 null
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*/
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public function getFieldValue($data, string $field)
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{
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// 如果传入的是 JSON 字符串，先解码
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if (is_string($data)) {
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$data = json_decode($data, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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return null; // JSON 格式错误
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}
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}
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// 遍历第一层（假设结构是 [ { "items": [...] } ]）
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foreach ($data as $group) {
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if (isset($group['items']) && is_array($group['items'])) {
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foreach ($group['items'] as $item) {
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if (isset($item['key']) && $item['key'] === $field) {
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return $item['value'] ?? null;
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}
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}
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}
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}
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return null; // 未找到
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}
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/**
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* 从 other_params 数组中根据 name 获取对应的 value
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*
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* @param array $otherParams 格式为 [ ['name' => 'xxx', 'value' => 'yyy'], ... ]
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* @param string $name 要查找的字段名称（如 '上牌地'）
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* @return string|null 找到则返回 value，否则返回 null
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*/
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public function getOtherParamValue(array $otherParams, string $name): ?string
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{
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foreach ($otherParams as $item) {
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if (isset($item['name']) && $item['name'] === $name) {
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return $item['value'] ?? null;
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}
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}
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return null;
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}
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/**
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* 根据给定字符串判断车辆能源类型
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*
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* 返回：
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* - RE 新能源（纯电、插电混动、增程、氢燃料等）
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* - CE 传统能源（汽油、柴油、天然气、非插电混动等）
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* - UNKNOWN 无法判断
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*
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* @param string $text 例如：'2022款 某某牌 2.0L 油电混合 双擎'
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* @return string
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*/
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public function detectEnergyType(string $text): string
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{
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if (function_exists('mb_internal_encoding')) {
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mb_internal_encoding('UTF-8');
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}
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// 明确定义的新能源关键字（纯电 / 插电 / 增程 / 氢 / 太阳能 等）
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$newEnergyKeywords = [
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// 纯电
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'纯电', '纯电动', '电动车', 'BEV',
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// 插电式混合
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'插电混动', '插电式混合', '插电式', '插电', 'PHEV',
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// 增程式
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'增程式', '增程', 'REEV',
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// 氢能 / 燃料电池
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'氢能', '氢燃料', '燃料电池', 'FCEV',
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// 其它
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'太阳能',
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];
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// 传统能源关键字（包括燃油/燃气）
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$traditionalKeywords = [
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'汽油',
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'柴油',
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'天然气', 'LNG', 'CNG',
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];
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// 普通混动关键字（按你的要求，统一归为传统能源）
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$hybridKeywords = [
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'油电混合', '油电混动', '油电',
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'混动', // 不带“插电”的混动
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'双擎', // 丰田常见表达
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'HEV',
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];
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// 辅助：不区分大小写的包含判断，优先 mb_stripos
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$contains = function (string $haystack, string $needle): bool {
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if ($needle === '') {
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return false;
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}
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if (function_exists('mb_stripos')) {
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return mb_stripos($haystack, $needle) !== false;
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}
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return stripos($haystack, $needle) !== false;
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};
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// 1. 先判断“明确新能源”关键词（插电、增程、氢、纯电等）
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foreach ($newEnergyKeywords as $kw) {
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if ($contains($text, $kw)) {
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return 'RE';
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}
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}
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// 2. 再判断“普通油电混动”——按照你的业务，一律归为传统能源
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foreach ($hybridKeywords as $kw) {
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if ($contains($text, $kw)) {
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return 'CE';
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}
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}
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// 3. 再判断传统能源（纯燃油/气）
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foreach ($traditionalKeywords as $kw) {
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if ($contains($text, $kw)) {
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return 'CE';
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}
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}
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// 4. 都没匹配上
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return 'UNKNOWN';
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}
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/**
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* 二手信息入库
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*/
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public function saveUsedcarBasicToDb(array $data = [])
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{
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$data['created_at'] = time();
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$data['updated_at'] = time();
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return Db::table('usedcar_crawl_results')->insertGetId($data);
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}
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/**
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* 更新信息入库
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*/
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public function saveUsedcarConfigToDb(array $data = [], int $id = 0)
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{
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$info = Db::table('usedcar_crawl_results')->find($id);
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if (!$info) {
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return false;
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}
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$groups = $data['groups'];
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$formatCarInfo = array_merge($data['format_car_info'], json_decode($info->format_car_info, true));
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return Db::table('usedcar_crawl_results')
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->where('id', $id)
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->update([
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'format_car_info' => json_encode($formatCarInfo, JSON_UNESCAPED_UNICODE),
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'config_detail' => json_encode($groups, JSON_UNESCAPED_UNICODE),
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'updated_at' => time()
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]);
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}
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/**
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* 把 car_info 扁平成一个 [key => ['value' => xxx]] 的 map
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*
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* @param array $carInfo rawData['car_info'][0]
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* @return array
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*/
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public function buildValuesMapFromCarInfo(array $carInfo): array
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{
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$valuesMap = [];
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// 1) car_info 顶层的一些字段（official_price、series_name 等）
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foreach ($carInfo as $k => $v) {
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if ($k === 'info' || is_array($v)) {
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continue;
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}
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$valuesMap[$k] = ['value' => $v];
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}
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// 2) info 里的配置项
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if (!empty($carInfo['info']) && is_array($carInfo['info'])) {
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foreach ($carInfo['info'] as $k => $v) {
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if (is_array($v) && array_key_exists('value', $v)) {
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$valuesMap[$k] = $v;
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}
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}
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}
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return $valuesMap;
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}
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/**
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* 根据 type 重新分组：
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* - type=0,2 为分组（左侧分类）
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* - 其它 type 都视为该分组下的字段
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*
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* @param array $properties rawData['properties']
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* @param array $valuesMap 来自 buildValuesMapFromCarInfo()
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* @return array
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*/
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public function buildCarSpecGroups(array $properties, array $valuesMap): array
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{
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$groups = [];
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$currentKey = null; // 当前分组 key
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foreach ($properties as $item) {
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$type = (int)($item['type'] ?? 1);
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$key = $item['key'] ?? '';
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$text = $item['text'] ?? '';
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$subList = $item['sub_list'] ?? null;
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// ---------- 1) 分类字段：type = 0 / 2 ----------
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if (in_array($type, [0, 2], true)) {
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$currentKey = $key ?: ($text ?: ('group_' . count($groups)));
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if (!isset($groups[$currentKey])) {
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$groups[$currentKey] = [
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'group_key' => $currentKey,
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'group_text' => $text,
|
||
'group_type' => $type,
|
||
'items' => [],
|
||
];
|
||
}
|
||
|
||
continue;
|
||
}
|
||
|
||
// ---------- 2) 普通字段：挂到最近的分类下 ----------
|
||
if ($currentKey === null) {
|
||
// 如果一开始就没有遇到分类，给一个默认分组
|
||
$currentKey = '_default';
|
||
$groups[$currentKey] = [
|
||
'group_key' => '_default',
|
||
'group_text' => '其他',
|
||
'group_type' => -1,
|
||
'items' => [],
|
||
];
|
||
}
|
||
|
||
// 取 value
|
||
$value = '';
|
||
if ($key && isset($valuesMap[$key])) {
|
||
$value = trim((string)($valuesMap[$key]['value'] ?? ''));
|
||
}
|
||
|
||
$node = [
|
||
'key' => $key,
|
||
'text' => $text,
|
||
'value' => $value,
|
||
];
|
||
|
||
// ---------- 3) sub_list 子项（有就当成 children） ----------
|
||
if (is_array($subList) && !empty($subList)) {
|
||
$children = [];
|
||
foreach ($subList as $sub) {
|
||
$subKey = $sub['key'] ?? '';
|
||
$subText = $sub['text'] ?? '';
|
||
$subValue = '';
|
||
|
||
if ($subKey && isset($valuesMap[$subKey])) {
|
||
$subValue = trim((string)($valuesMap[$subKey]['value'] ?? ''));
|
||
}
|
||
|
||
$children[] = [
|
||
'key' => $subKey,
|
||
'text' => $subText,
|
||
'value' => $subValue,
|
||
];
|
||
}
|
||
|
||
$node['children'] = $children;
|
||
}
|
||
|
||
$groups[$currentKey]['items'][] = $node;
|
||
}
|
||
|
||
// 你可以按需返回关联数组或索引数组，这里转成索引数组方便前端遍历
|
||
return array_values($groups);
|
||
}
|
||
|
||
/**
|
||
* 转义价格
|
||
*/
|
||
protected function decodeDongchediPrice(string $str): string
|
||
{
|
||
// 映射表：PUA 字符 => 数字 / 万
|
||
$map = [
|
||
"\u{E53D}" => '1',
|
||
"\u{E3F0}" => '2',
|
||
"\u{E422}" => '3',
|
||
"\u{E42C}" => '4',
|
||
"\u{E49C}" => '5',
|
||
"\u{E42B}" => '6',
|
||
"\u{E4FE}" => '7',
|
||
"\u{E548}" => '8',
|
||
"\u{E4C8}" => '9',
|
||
"\u{E453}" => '0',
|
||
"\u{E45F}" => '万',
|
||
];
|
||
|
||
return strtr($str, $map);
|
||
}
|
||
|
||
/**
|
||
* 获取URL最后ID
|
||
*/
|
||
protected function getLastIdFromUrl($url)
|
||
{
|
||
// 方法1：使用正则表达式提取最后的数字ID
|
||
if (preg_match('/\/(\d+)$/', $url, $matches)) {
|
||
return $matches[1];
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* 下载单张图片
|
||
*
|
||
* @param string $url 图片完整 URL
|
||
* @param string $saveDir 保存目录（如 /www/usedcar_images/2025-11-20）
|
||
* @param string|null $filename 指定文件名（可选，不含路径），为空则自动生成
|
||
* @param array $headers 额外 HTTP 头（可选）
|
||
*
|
||
* @return string|null 成功返回保存路径，失败返回 null
|
||
*/
|
||
protected function downloadImage(string $url, string $saveDir, ?string $filename = null, array $headers = []): ?string
|
||
{
|
||
// 1. 目录检查 & 创建
|
||
if (!is_dir($saveDir)) {
|
||
if (!mkdir($saveDir, 0777, true) && !is_dir($saveDir)) {
|
||
echo "[Image] 创建目录失败：{$saveDir}\n";
|
||
return null;
|
||
}
|
||
}
|
||
|
||
// 2. 自动生成文件名（基于 URL md5 + 原扩展名）
|
||
if ($filename === null) {
|
||
$path = parse_url($url, PHP_URL_PATH); // /xxx/xxx.jpg
|
||
$ext = pathinfo($path, PATHINFO_EXTENSION); // jpg 或 webp 之类
|
||
|
||
if ($ext === '') {
|
||
$ext = 'jpg'; // 没有扩展名时兜底
|
||
}
|
||
|
||
$filename = md5($url) . '.' . $ext;
|
||
}
|
||
|
||
$savePath = rtrim($saveDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $filename;
|
||
|
||
// 3. 组装 HTTP 头
|
||
$defaultHeaders = [
|
||
'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
|
||
. 'AppleWebKit/537.36 (KHTML, like Gecko) '
|
||
. 'Chrome/120.0.0.0 Safari/537.36',
|
||
'Accept: image/avif,image/webp,image/apng,image/*,*/*;q=0.8',
|
||
'Referer: https://www.dongchedi.com/', // 很多图床需要 Referer
|
||
];
|
||
|
||
foreach ($headers as $h) {
|
||
$defaultHeaders[] = $h;
|
||
}
|
||
|
||
// 4. 使用 cURL 下载
|
||
$ch = curl_init($url);
|
||
curl_setopt_array($ch, [
|
||
CURLOPT_RETURNTRANSFER => true,
|
||
CURLOPT_FOLLOWLOCATION => true,
|
||
CURLOPT_CONNECTTIMEOUT => 5,
|
||
CURLOPT_TIMEOUT => 15,
|
||
CURLOPT_SSL_VERIFYPEER => false,
|
||
CURLOPT_SSL_VERIFYHOST => false,
|
||
CURLOPT_HTTPHEADER => $defaultHeaders,
|
||
]);
|
||
|
||
$data = curl_exec($ch);
|
||
$errNo = curl_errno($ch);
|
||
$errMsg = curl_error($ch);
|
||
$code = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
|
||
curl_close($ch);
|
||
|
||
if ($errNo !== 0) {
|
||
echo "[Image] 下载失败(cURL)：{$url} | {$errNo} {$errMsg}\n";
|
||
return null;
|
||
}
|
||
|
||
if ($code !== 200 || $data === false || $data === '') {
|
||
echo "[Image] 下载失败(HTTP {$code})：{$url}\n";
|
||
return null;
|
||
}
|
||
|
||
// 5. 写入本地文件
|
||
$bytes = file_put_contents($savePath, $data);
|
||
if ($bytes === false) {
|
||
echo "[Image] 保存失败：{$savePath}\n";
|
||
return null;
|
||
}
|
||
|
||
echo "[Image] 下载成功：{$url} => {$savePath}\n";
|
||
|
||
return $savePath;
|
||
}
|
||
|
||
/**
|
||
* 批量下载相册
|
||
*
|
||
* @param array $urls 图片 URL 数组
|
||
* @param string $saveDir 保存目录
|
||
*
|
||
* @return array [原始 URL => 保存路径或 null]
|
||
*/
|
||
protected function downloadImageAlbum(array $urls, string $saveDir): array
|
||
{
|
||
$result = [];
|
||
|
||
foreach ($urls as $url) {
|
||
$url = trim($url);
|
||
if ($url === '') {
|
||
continue;
|
||
}
|
||
|
||
// 如果存在 // 开头的相对协议，补全
|
||
if (strpos($url, '//') === 0) {
|
||
$url = 'https:' . $url;
|
||
}
|
||
|
||
$path = $this->downloadImage($url, $saveDir);
|
||
$result[$url] = $path;
|
||
}
|
||
|
||
return $result;
|
||
}
|
||
}
|