xinyouhe/x-server-mobile
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

二手车

Browse Source
This commit is contained in:
WIN-C27C5MSVTPO\16961
2026-03-05 13:15:05 +08:00
parent 3f0f5334e8
commit 9c7efff01f
15 changed files with 3798 additions and 1644 deletions
Download Patch File Download Diff File Expand all files Collapse all files
backend/app/service/PdfService.php
+518
View File
@@ -0,0 +1,518 @@
<?php
namespace app\Service;
use app\Model\UsedCar;
use app\Model\UsedCarPdfLog;
use app\Model\User;
use Mpdf\Mpdf;
/**
* PDF生成服务
* 用于生成二手车相关的PDF文档
*/
class PdfService
{
/**
* 语言映射
*/
private const LANGUAGES = [
'zh' => '中文',
'en' => '英语',
'ru' => '俄语',
'es' => '西班牙语',
'fr' => '法语',
];
/**
* 货币符号映射
*/
private const CURRENCIES = [
'CNY' => '¥',
'USD' => '$',
'RUB' => '₽',
'AED' => 'د.إ',
'EUR' => '€',
];
/**
* 生成二手车PDF
*
* @param int $usedCarId 二手车ID
* @param int $userId 用户ID
* @param float $price 价格（用于PDF显示）
* @param string $lang 语言代码
* @param string $currency 货币代码
* @param string $tradeTerm 贸易条款
* @return string PDF文件名
* @throws \Exception
*/
public function generateUsedCarPdf(int $usedCarId, int $userId, float $price, string $lang = 'zh', string $currency = 'CNY', string $tradeTerm = ''): string
{
// 验证参数
if (!isset(self::LANGUAGES[$lang])) {
throw new \Exception('不支持的语言: ' . $lang);
}
if (!isset(self::CURRENCIES[$currency])) {
throw new \Exception('不支持的货币: ' . $currency);
}
// 获取车辆信息
$car = UsedCar::with('user')->findOrFail($usedCarId);
// 检查权限
if ($car->user_id !== $userId) {
throw new \Exception('无权生成此车辆的PDF');
}
// 获取用户信息
$user = $car->user ?? User::findOrFail($userId);
// 准备PDF数据
$pdfData = $this->preparePdfData($car, $price, $lang, $currency, $tradeTerm, $user);
// 生成PDF
$pdfFileName = $this->renderPdf($pdfData, $car, $user, $lang);
// 更新车辆记录
$car->pdf_src = $pdfFileName;
$car->save();
// 记录PDF生成日志
UsedCarPdfLog::create([
'user_id' => $userId,
'used_car_id' => $usedCarId,
'price_snapshot' => (int)($price * 100), // 转换为分
'pdf_path' => $pdfFileName,
]);
// 清理临时文件
$this->cleanupTempFiles();
return $pdfFileName;
}
/**
* 准备PDF数据
*/
private function preparePdfData(UsedCar $car, float $price, string $lang, string $currency, string $tradeTerm, User $user): array
{
// 获取字段翻译
$field = $this->getFieldTranslations($lang);
$field['currency'] = self::CURRENCIES[$currency];
// 获取名片翻译
$contactField = $this->getContactTranslations($lang);
// 构建车辆名称
$productName = trim(($car->crawl_brand ?? '') . ' ' . ($car->crawl_series ?? '') . ' ' . ($car->crawl_year ?? '') . '款 ' . ($car->crawl_title ?? $car->product_name));
// 处理图片 - 下载到本地
$images = [];
$imageDir = runtime_path('pdf/images/');
if (!is_dir($imageDir)) {
mkdir($imageDir, 0755, true);
}
if (!empty($car->images)) {
$imageUrls = explode(',', $car->images);
$crawlService = new UsedCarCrawlService();
$downloadedImages = $crawlService->downloadImages($imageUrls, $imageDir);
foreach ($downloadedImages as $localPath) {
if ($localPath && file_exists($localPath)) {
$images[] = $localPath;
}
}
}
// 处理附件PDF
$attachments = [];
if (!empty($car->attachment)) {
$attachmentData = json_decode($car->attachment, true);
if (is_array($attachmentData)) {
$attachmentDir = runtime_path('pdf/attachment/');
if (!is_dir($attachmentDir)) {
mkdir($attachmentDir, 0755, true);
}
foreach ($attachmentData as $attachment) {
$src = $attachment['src'] ?? '';
if (str_ends_with(strtolower($src), '.pdf')) {
// 下载PDF附件
$localPath = $this->downloadAttachment($src, $attachmentDir);
if ($localPath && file_exists($localPath)) {
$attachments[] = $localPath;
}
}
}
}
}
// 处理社交二维码
$socialCode = '';
if (!empty($user->social_code)) {
$socialCodePath = $this->downloadSocialCode($user->social_code);
if ($socialCodePath && file_exists($socialCodePath)) {
$socialCode = $socialCodePath;
}
}
return [
'car' => [
'product_name' => $productName,
'price' => $price,
'trade' => $tradeTerm,
'plate_time' => $car->plate_time ?? '',
'displacement' => $car->displacement ?? '',
'mileage' => $car->mileage ?? 0,
'power' => $car->power ?? '',
'body_color' => $car->body_color ?? '',
'condition_desc' => $car->condition_desc ?? '',
'images' => $images,
'attachment' => $attachments,
'created_at' => $car->created_at ? $car->created_at->format('Y-m-d H:i:s') : '',
],
'user' => [
'name' => $user->name ?? '',
'name_en' => $user->name_en ?? $user->name ?? '',
'email' => $user->email ?? '',
'phone' => $user->phone ?? '',
'whatsapp' => $user->whatsapp ?? '',
'social' => !empty($user->social_code),
'social_code' => $socialCode,
],
'field' => $field,
'contact_field' => $contactField,
'lang' => $lang,
];
}
/**
* 渲染PDF
*/
private function renderPdf(array $pdfData, UsedCar $car, User $user, string $lang): string
{
// 创建临时目录
$tempDir = runtime_path('pdf/temp/');
if (!is_dir($tempDir)) {
mkdir($tempDir, 0755, true);
}
// 初始化mPDF
$mpdf = new Mpdf([
'mode' => 'utf-8',
'format' => 'A4-L', // 横向
'margin_top' => 10,
'margin_bottom' => 10,
'margin_left' => 10,
'margin_right' => 10,
'tempDir' => $tempDir,
'default_font' => 'sun-exta',
]);
// 设置水印
$watermarkText = $pdfData['user']['name_en'] ?? $pdfData['user']['name'];
if (!empty($watermarkText)) {
$mpdf->SetWatermarkText($watermarkText, 0.08);
$mpdf->showWatermarkText = true;
}
// 渲染车辆详情页面
ob_start();
$carTpl = runtime_path('pdf/templates/usedCar.stub');
extract([
'car' => $pdfData['car'],
'field' => $pdfData['field'],
]);
include $carTpl;
$carHtml = ob_get_clean();
$mpdf->WriteHTML($carHtml);
// 追加附件PDF
foreach ($pdfData['car']['attachment'] as $attachmentPdf) {
$this->appendPdf($mpdf, $attachmentPdf);
}
// 添加名片页面
$mpdf->AddPage();
ob_start();
$cardTpl = runtime_path('pdf/templates/contactCard.stub');
extract([
'user' => $pdfData['user'],
'contactField' => $pdfData['contact_field'],
]);
include $cardTpl;
$cardHtml = ob_get_clean();
$mpdf->WriteHTML($cardHtml);
// 生成PDF文件
$pdfDir = runtime_path('pdf/');
if (!is_dir($pdfDir)) {
mkdir($pdfDir, 0755, true);
}
$pdfFileName = 'usedcar-' . $car->code . '-' . $car->id . '-' . $lang . '-' . substr(time(), -6) . '.pdf';
$pdfPath = $pdfDir . '/' . $pdfFileName;
$mpdf->Output($pdfPath, \Mpdf\Output\Destination::FILE);
return $pdfFileName;
}
/**
* 追加PDF到现有文档
*/
private function appendPdf(Mpdf $mpdf, string $pdfPath): void
{
if (!file_exists($pdfPath)) {
return;
}
try {
$pageCount = $mpdf->SetSourceFile($pdfPath);
for ($i = 1; $i <= $pageCount; $i++) {
$tplId = $mpdf->ImportPage($i);
$size = $mpdf->getTemplateSize($tplId);
$mpdf->AddPageByArray([
'orientation' => $size['orientation'],
'sheet-size' => [$size['width'], $size['height']]
]);
$mpdf->UseTemplate($tplId);
}
} catch (\Exception $e) {
error_log('追加PDF失败: ' . $e->getMessage());
}
}
/**
* 下载附件
*/
private function downloadAttachment(string $url, string $saveDir): ?string
{
$filename = md5($url) . '.pdf';
$savePath = $saveDir . $filename;
if (file_exists($savePath)) {
return $savePath;
}
try {
$content = file_get_contents($url);
if ($content !== false) {
file_put_contents($savePath, $content);
return $savePath;
}
} catch (\Exception $e) {
error_log('下载附件失败: ' . $e->getMessage());
}
return null;
}
/**
* 下载社交二维码
*/
private function downloadSocialCode(string $url): ?string
{
$saveDir = runtime_path('pdf/qrcode/');
if (!is_dir($saveDir)) {
mkdir($saveDir, 0755, true);
}
$filename = md5($url) . '.jpg';
$savePath = $saveDir . $filename;
if (file_exists($savePath)) {
return $savePath;
}
try {
$content = file_get_contents($url);
if ($content !== false) {
file_put_contents($savePath, $content);
return $savePath;
}
} catch (\Exception $e) {
error_log('下载二维码失败: ' . $e->getMessage());
}
return null;
}
/**
* 清理临时文件
*/
private function cleanupTempFiles(): void
{
// 清理图片
$imageDir = runtime_path('pdf/images/');
if (is_dir($imageDir)) {
array_map('unlink', glob($imageDir . '*.jpg') ?: []);
array_map('unlink', glob($imageDir . '*.png') ?: []);
}
// 清理附件
$attachmentDir = runtime_path('pdf/attachment/');
if (is_dir($attachmentDir)) {
array_map('unlink', glob($attachmentDir . '*.pdf') ?: []);
}
// 清理二维码
$qrcodeDir = runtime_path('pdf/qrcode/');
if (is_dir($qrcodeDir)) {
array_map('unlink', glob($qrcodeDir . '*.jpg') ?: []);
array_map('unlink', glob($qrcodeDir . '*.png') ?: []);
}
}
/**
* 获取字段翻译
*/
private function getFieldTranslations(string $lang): array
{
$translations = [
'zh' => [
'price' => '车价',
'source_place' => '车源地',
'plate_time' => '上牌时间',
'displacement' => '排量',
'mileage' => '里程',
'power' => '马力',
'body_color' => '车身颜色',
'created_at' => '创建时间',
'condition_desc' => '车况介绍',
'images' => '产品图',
'trade' => '贸易条款',
],
'en' => [
'price' => 'Price',
'source_place' => 'Vehicle Location',
'plate_time' => 'Registration Date',
'displacement' => 'Engine Displacement',
'mileage' => 'Mileage',
'power' => 'Horsepower',
'body_color' => 'Body Color',
'created_at' => 'Created At',
'condition_desc' => 'Vehicle Condition',
'images' => 'Product Image',
'trade' => 'Trade Terms',
],
'ru' => [
'price' => 'Цена',
'source_place' => 'Местонахождение автомобиля',
'plate_time' => 'Дата регистрации',
'displacement' => 'Объём двигателя',
'mileage' => 'Пробег',
'power' => 'Мощность',
'body_color' => 'Цвет кузова',
'created_at' => 'Дата создания',
'condition_desc' => 'Состояние автомобиля',
'images' => 'Фотографии',
'trade' => 'Условия торговли',
],
'es' => [
'price' => 'Precio',
'source_place' => 'Ubicación del vehículo',
'plate_time' => 'Fecha de matriculación',
'displacement' => 'Cilindrada',
'mileage' => 'Kilometraje',
'power' => 'Potencia',
'body_color' => 'Color de la carrocería',
'created_at' => 'Fecha de creación',
'condition_desc' => 'Estado del vehículo',
'images' => 'Imagen del producto',
'trade' => 'Condiciones de comercio',
],
'fr' => [
'price' => 'Prix',
'source_place' => 'Emplacement du véhicule',
'plate_time' => 'Date d\'immatriculation',
'displacement' => 'Cylindrée',
'mileage' => 'Kilométrage',
'power' => 'Puissance',
'body_color' => 'Couleur de la carrosserie',
'created_at' => 'Date de création',
'condition_desc' => 'État du véhicule',
'images' => 'Image du produit',
'trade' => 'Conditions commerciales',
],
];
return $translations[$lang] ?? $translations['zh'];
}
/**
* 获取名片翻译
*/
private function getContactTranslations(string $lang): array
{
$translations = [
'zh' => [
'title' => '联系人名片',
'name' => '姓名',
'email' => '邮箱',
'phone' => '电话',
'code' => '二维码',
'left' => '扫码即可联系本人',
'right' => '本资料随PDF自动生成',
],
'en' => [
'title' => 'Contact Name Card',
'name' => 'Name',
'email' => 'Email',
'phone' => 'Phone',
'code' => 'QR Code',
'left' => 'Scan the code to contact me',
'right' => 'This information is automatically generated with the PDF',
],
'ru' => [
'title' => 'Контактная карточка',
'name' => 'Имя',
'email' => 'Электронная почта',
'phone' => 'Телефон',
'code' => 'QR-код',
'left' => 'Код позволяет связаться с самим собой.',
'right' => 'Эта информация автоматически генерируется с помощью PDF',
],
'es' => [
'title' => 'Tarjeta de visita de contacto',
'name' => 'Nombre',
'email' => 'Correo electrónico',
'phone' => 'Teléfono',
'code' => 'Código QR',
'left' => 'Escanee el código para contactarme.',
'right' => 'Esta información se genera automáticamente con PDF',
],
'fr' => [
'title' => 'Carte de visite de contact',
'name' => 'Nom',
'email' => 'E-mail',
'phone' => 'Téléphone',
'code' => 'Code QR',
'left' => 'Scannez le code pour me contacter',
'right' => 'Ces informations sont générées automatiquement avec le PDF',
],
];
return $translations[$lang] ?? $translations['zh'];
}
/**
* 获取PDF文件路径
*/
public function getPdfPath(string $pdfFileName): string
{
return runtime_path('pdf/' . $pdfFileName);
}
/**
* 检查PDF文件是否存在
*/
public function pdfExists(string $pdfFileName): bool
{
return file_exists($this->getPdfPath($pdfFileName));
}
}
backend/app/service/UsedCarCrawlService.php
+524
View File
@@ -0,0 +1,524 @@
<?php
namespace app\Service;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use QL\QueryList;
use support\Redis;
/**
* 二手车数据抓取服务
* 支持从懂车帝、汽车之家等网站抓取车辆信息
*/
class UsedCarCrawlService
{
private Client $httpClient;
// 默认请求头
private const DEFAULT_HEADERS = [
'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-Language' => 'zh-CN,zh;q=0.9',
'Referer' => 'https://www.dongchedi.com/',
];
public function __construct()
{
$this->httpClient = new Client([
'verify' => false,
'timeout' => 15,
]);
}
/**
* 选择抓取方式并执行
*
* @param string $url 车辆详情页URL
* @return array 抓取结果
* @throws \Exception
*/
public function crawlByUrl(string $url): array
{
// 根据URL判断来源并选择抓取方法
if (str_contains($url, 'dongchedi.com')) {
// 懂车帝PC端
return $this->crawlDongchedi($url);
} elseif (str_contains($url, 'dcdapp.com')) {
// 懂车帝移动端 - 需要先转换为PC端
$pcUrl = $this->getDongchediPcUrl($url);
if (!$pcUrl) {
throw new \Exception('无法获取懂车帝PC端链接');
}
return $this->crawlDongchedi($pcUrl);
} elseif (str_contains($url, 't.zijieimg.com')) {
// 懂车帝分享短链
$finalUrl = $this->getFinalUrl($url);
$pcUrl = $this->getDongchediPcUrl($finalUrl);
if (!$pcUrl) {
throw new \Exception('无法获取懂车帝PC端链接');
}
return $this->crawlDongchedi($pcUrl);
} elseif (str_contains($url, 'che168.com')) {
// 汽车之家
return $this->crawlChe168($url);
}
throw new \Exception('暂不支持此网站的数据抓取');
}
/**
* 获取短链的最终URL
*/
private function getFinalUrl(string $url): string
{
try {
$response = $this->httpClient->get($url, [
'allow_redirects' => ['track_redirects' => true],
]);
$history = $response->getHeader('X-Guzzle-Redirect-History');
return end($history) ?: $url;
} catch (\Exception $e) {
throw new \Exception('获取短链失败: ' . $e->getMessage());
}
}
/**
* 从懂车帝移动端URL获取PC端URL
*/
private function getDongchediPcUrl(string $url): ?string
{
$query = parse_url($url, PHP_URL_QUERY);
if (!$query) {
return null;
}
parse_str($query, $params);
$skuId = $params['sku_id'] ?? null;
return $skuId ? 'https://www.dongchedi.com/usedcar/' . $skuId : null;
}
/**
* 抓取懂车帝二手车信息
*/
private function crawlDongchedi(string $url): array
{
try {
$html = $this->fetchHtml($url);
if (str_contains($html, '404 Not Found')) {
throw new \Exception('车辆已下架或找不到页面');
}
return $this->parseDongchediHtml($html, $url);
} catch (\Exception $e) {
throw new \Exception('抓取懂车帝数据失败: ' . $e->getMessage());
}
}
/**
* 抓取汽车之家二手车信息
*/
private function crawlChe168(string $url): array
{
try {
// 处理不同格式的汽车之家URL
if (str_contains($url, 'home?infoid=')) {
// PC端链接转换
$queryString = parse_url($url, PHP_URL_QUERY);
parse_str($queryString, $params);
$carId = $params['infoid'] ?? null;
$url = 'https://www.che168.com/dealer/111/' . $carId . '.html?pvareaid=0';
} elseif (str_contains($url, 'wap.che168.com/dealer')) {
// 移动端链接转换
$url = $this->getChe168PcUrl($url);
}
$html = $this->fetchHtml($url);
return $this->parseChe168Html($html, $url);
} catch (\Exception $e) {
throw new \Exception('抓取汽车之家数据失败: ' . $e->getMessage());
}
}
/**
* 从汽车之家移动端URL获取PC端URL
*/
private function getChe168PcUrl(string $url): string
{
$path = parse_url($url, PHP_URL_PATH);
$parts = explode('/', $path);
$filename = end($parts);
$carId = pathinfo($filename, PATHINFO_FILENAME);
return 'https://www.che168.com/dealer/111/' . $carId . '.html?pvareaid=0';
}
/**
* 获取网页HTML内容
*/
private function fetchHtml(string $url): string
{
try {
$response = $this->httpClient->get($url, [
'headers' => self::DEFAULT_HEADERS,
]);
return (string)$response->getBody();
} catch (GuzzleException $e) {
throw new \Exception('获取页面失败: ' . $e->getMessage());
}
}
/**
* 解析懂车帝HTML
*/
private function parseDongchediHtml(string $html, string $url): array
{
try {
$ql = QueryList::html($html);
// 提取JSON数据
$jsonText = $ql->find('#__NEXT_DATA__')->text();
if (empty($jsonText)) {
throw new \Exception('无法找到页面数据');
}
$jsonData = json_decode($jsonText, true);
if (!$jsonData) {
throw new \Exception('解析JSON数据失败');
}
$skuDetail = $jsonData['props']['pageProps']['skuDetail'] ?? [];
$carInfo = $skuDetail['car_info'] ?? [];
// 提取价格（懂车帝使用特殊字符编码）
$priceText = $ql->find('.head-info_price-wrap__Y4bxi > p')->text();
$price = $this->decodeDongchediPrice($priceText);
// 提取车辆信息
$title = $carInfo['car_name'] ?? '';
$brandName = $carInfo['brand_name'] ?? '';
$seriesName = $carInfo['series_name'] ?? '';
$year = $carInfo['year'] ?? '';
$bodyColor = $carInfo['body_color'] ?? '';
// 提取配置信息
$overview = $skuDetail['car_config_overview'] ?? [];
$power = $overview['power']['horsepower'] ?? '';
$displacement = $overview['power']['capacity'] ?? '';
// 提取上牌时间和车源地
$otherParams = $skuDetail['other_params'] ?? [];
$plateTime = $this->getParamValue($otherParams, '上牌时间');
$sourcePlace = $this->getParamValue($otherParams, '车源地');
// 提取里程
$importantText = $skuDetail['important_text'] ?? '';
$mileage = 0;
if (preg_match('/(\d+\.?\d*)\s*万公里/', $importantText, $matches)) {
$mileage = (int)($matches[1] * 10000);
}
// 提取图片
$images = $skuDetail['head_images'] ?? [];
// 提取车况介绍
$conditionDesc = '';
if (preg_match('/车况介绍\s*(.*?)\s*推荐理由/s', $html, $matches)) {
$conditionDesc = trim($matches[1]);
}
// 提取车辆ID
$carId = $carInfo['car_id'] ?? 0;
$brandId = $carInfo['brand_id'] ?? 0;
$seriesId = $carInfo['series_id'] ?? 0;
$usedCarId = $this->extractIdFromUrl($url);
return [
'title' => $title,
'price' => $price,
'brand_name' => $brandName,
'brand_id' => $brandId,
'series_name' => $seriesName,
'series_id' => $seriesId,
'year' => $year,
'car_id' => $carId,
'used_car_id' => $usedCarId,
'power' => $power,
'displacement' => $displacement,
'plate_time' => $plateTime,
'source_place' => $sourcePlace,
'body_color' => $bodyColor,
'mileage' => $mileage,
'images' => $images,
'condition_desc' => $conditionDesc,
'source_url' => $url,
];
} catch (\Exception $e) {
throw new \Exception('解析懂车帝页面失败: ' . $e->getMessage());
}
}
/**
* 解析汽车之家HTML
*/
private function parseChe168Html(string $html, string $url): array
{
try {
// 汽车之家使用 GB2312 编码，需要转换
$html = $this->convertToUtf8($html);
$ql = QueryList::html($html);
// 提取车辆名称
$productName = $ql->find('div.car-box .car-brand-name')->text();
// 提取价格
$price = $ql->find('div.goodstartmoney')->text();
if (empty($price)) {
$price = $ql->find('span#overlayPrice')->text();
}
$price = str_replace(['¥', '￥', '万'], '', $price);
$price = is_numeric($price) ? (int)($price * 10000) : 0;
// 提取基本信息
$basicInfo = [];
$ql->find('div#nav1 ul.basic-item-ul li')->each(function($li) use (&$basicInfo) {
$field = trim($li->find('.item-name')->text());
$value = trim(str_replace($field, '', $li->text()));
$fieldMap = [
'上牌时间' => 'plate_time',
'表显里程' => 'mileage_text',
'排       量' => 'displacement',
'所  在  地' => 'source_place',
'车身颜色' => 'body_color',
'车况介绍' => 'condition_desc',
];
if (isset($fieldMap[$field])) {
$basicInfo[$fieldMap[$field]] = $value;
}
});
// 处理里程
$mileage = 0;
if (isset($basicInfo['mileage_text'])) {
$mileage = (int)str_replace('万公里', '', $basicInfo['mileage_text']) * 10000;
}
// 提取面包屑导航获取品牌和车系
$breadcrumbs = [];
$ql->find('.bread-crumbs a')->each(function($a) use (&$breadcrumbs) {
$breadcrumbs[] = trim($a->text());
});
$brandName = $breadcrumbs[3] ?? '';
$seriesName = $breadcrumbs[4] ?? '';
$brandName = str_replace('二手', '', $brandName);
$seriesName = str_replace('二手', '', $seriesName);
// 提取年份
$year = '';
if (preg_match('/(\d{4})款/', $productName, $matches)) {
$year = $matches[1];
}
// 提取图片
$images = [];
$ql->find('.swiper-container2 .swiper-slide .jiaodianphotoclick img')->each(function($img) use (&$images) {
$src = $img->attr('src');
if ($src && !str_contains($src, 'default-che168')) {
$images[] = $src;
}
});
// 提取车辆ID
$usedCarId = $this->extractIdFromUrl($url);
return [
'title' => $productName,
'product_name' => $productName,
'price' => $price,
'brand_name' => $brandName,
'brand_id' => 0,
'series_name' => $seriesName,
'series_id' => 0,
'year' => $year,
'car_id' => 0,
'used_car_id' => $usedCarId,
'plate_time' => $basicInfo['plate_time'] ?? '',
'displacement' => $basicInfo['displacement'] ?? '',
'source_place' => $basicInfo['source_place'] ?? '',
'body_color' => $basicInfo['body_color'] ?? '',
'mileage' => $mileage,
'images' => $images,
'condition_desc' => $basicInfo['condition_desc'] ?? '',
'source_url' => $url,
];
} catch (\Exception $e) {
throw new \Exception('解析汽车之家页面失败: ' . $e->getMessage());
}
}
/**
* 解码懂车帝价格（特殊字符编码）
*/
private function decodeDongchediPrice(string $str): float
{
$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}" => '.',
];
$priceStr = strtr($str, $map);
$priceStr = str_replace('万', '', $priceStr);
return (float)trim($priceStr);
}
/**
* 从URL中提取ID
*/
private function extractIdFromUrl(string $url): int
{
if (preg_match('/(\d+)\.html?$/', $url, $matches)) {
return (int)$matches[1];
}
if (preg_match('/\/usedcar\/(\d+)/', $url, $matches)) {
return (int)$matches[1];
}
return 0;
}
/**
* 从参数列表中获取指定名称的值
*/
private function getParamValue(array $params, string $name): ?string
{
foreach ($params as $item) {
if (($item['name'] ?? null) === $name) {
return $item['value'] ?? null;
}
}
return null;
}
/**
* 将GB2312编码转换为UTF-8
*/
private function convertToUtf8(string $html): string
{
if (!function_exists('mb_convert_encoding')) {
return $html;
}
$isGb = stripos($html, 'charset=gb2312') !== false || stripos($html, 'charset=gbk') !== false;
if (!$isGb) {
return $html;
}
$out = @mb_convert_encoding($html, 'UTF-8', 'GB2312');
if ($out === false || $out === '') {
$out = @mb_convert_encoding($html, 'UTF-8', 'GBK');
}
if ($out !== false && $out !== '') {
$html = preg_replace('/charset\s*=\s*["\']?gb(2312|k)["\']?/i', 'charset="utf-8"', $html);
return $out;
}
return $html;
}
/**
* 下载图片到本地
*
* @param string $url 图片URL
* @param string $saveDir 保存目录
* @return string|null 保存的文件路径，失败返回null
*/
public function downloadImage(string $url, string $saveDir): ?string
{
try {
if (!is_dir($saveDir)) {
mkdir($saveDir, 0755, true);
}
$filename = md5($url) . '.jpg';
$savePath = rtrim($saveDir, '/') . '/' . $filename;
// 如果文件已存在，直接返回
if (file_exists($savePath)) {
return $savePath;
}
// 使用 curl 下载图片
$ch = curl_init($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 => [
'User-Agent: ' . self::DEFAULT_HEADERS['User-Agent'],
'Referer: ' . self::DEFAULT_HEADERS['Referer'],
],
]);
$data = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($httpCode !== 200 || $data === false) {
return null;
}
file_put_contents($savePath, $data);
return $savePath;
} catch (\Exception $e) {
error_log('下载图片失败: ' . $e->getMessage());
return null;
}
}
/**
* 批量下载图片
*
* @param array $urls 图片URL数组
* @param string $saveDir 保存目录
* @return array [url => localPath]
*/
public function downloadImages(array $urls, string $saveDir): array
{
$result = [];
foreach ($urls as $url) {
$url = trim($url);
if (empty($url)) {
continue;
}
// 处理协议相对URL
if (str_starts_with($url, '//')) {
$url = 'https:' . $url;
}
$localPath = $this->downloadImage($url, $saveDir);
$result[$url] = $localPath;
}
return $result;
}
}
backend/app/service/UsedCarService.php
+529
View File
@@ -0,0 +1,529 @@
<?php
namespace app\Service;
use app\Model\UsedCar;
use app\Model\UsedCarPdfLog;
use app\Model\User;
use support\Db;
use support\Redis;
/**
* 二手车业务服务
*/
class UsedCarService
{
private UsedCarCrawlService $crawlService;
public function __construct()
{
$this->crawlService = new UsedCarCrawlService();
}
/**
* 获取二手车列表
*
* @param int $userId 用户ID
* @param string $type 列表类型: all-全部, self-我创建的
* @param int $page 页码
* @param int $pageSize 每页数量
* @param string|null $keyword 搜索关键词
* @param int|null $status 状态筛选
* @return array
*/
public function getList(int $userId, string $type = 'self', int $page = 1, int $pageSize = 20, ?string $keyword = null, ?int $status = null): array
{
$query = UsedCar::query();
// 筛选条件
switch ($type) {
case 'self':
$query->where('user_id', $userId);
break;
case 'all':
// 管理员可以查看所有
break;
}
// 状态筛选
if ($status !== null) {
$query->where('status', $status);
} else {
// 默认不显示已删除的
$query->where('status', '!=', UsedCar::STATUS_DELETED);
}
// 关键词搜索
if ($keyword) {
$query->where(function ($q) use ($keyword) {
$q->where('product_name', 'like', "%{$keyword}%")
->orWhere('code', 'like', "%{$keyword}%");
});
}
// 获取总数
$total = $query->count();
// 分页查询
$list = $query->orderBy('sort', 'desc')
->orderBy('id', 'desc')
->offset(($page - 1) * $pageSize)
->limit($pageSize)
->get();
// 格式化数据
$formattedList = $list->map(function ($item) {
return $this->formatListItem($item);
})->toArray();
return [
'list' => $formattedList,
'total' => $total,
'page' => $page,
'page_size' => $pageSize,
];
}
/**
* 获取二手车详情
*
* @param int $id 二手车ID
* @param int $userId 当前用户ID
* @return array
* @throws \Exception
*/
public function getDetail(int $id, int $userId): array
{
$car = UsedCar::with(['pdfLogs', 'user'])->findOrFail($id);
// 格式化数据
return $this->formatDetailItem($car);
}
/**
* 创建二手车记录
*
* @param array $data
* @param int $userId
* @return UsedCar
* @throws \Exception
*/
public function create(array $data, int $userId): UsedCar
{
// 验证数据
$this->validateCarData($data);
return Db::connection()->transaction(function () use ($data, $userId) {
// 获取用户信息
$user = User::findOrFail($userId);
// 生成唯一编号
$code = $this->generateCode($userId, $user->name ?? '');
// 处理图片
$images = $data['images'] ?? [];
if (!is_array($images)) {
$images = explode(',', $images);
}
$images = array_filter($images);
// 处理附件
$attachment = $data['attachment'] ?? null;
if (is_array($attachment)) {
$attachment = json_encode($attachment, JSON_UNESCAPED_UNICODE);
}
// 检查source_url是否已存在
if (!empty($data['source_url'])) {
$exists = UsedCar::where('source_url', $data['source_url'])
->where('user_id', $userId)
->exists();
if ($exists) {
throw new \Exception('该车源已收录');
}
}
// 创建记录
$car = UsedCar::create([
'code' => $code,
'user_id' => $userId,
'role' => $user->role ?? 1,
'product_name' => $data['product_name'],
'vin' => $data['vin'] ?? null,
'price' => $this->parsePrice($data['price'] ?? 0),
'source_place' => $data['source_place'] ?? null,
'plate_place' => $data['plate_place'] ?? null,
'plate_time' => $data['plate_time'] ?? null,
'displacement' => $data['displacement'] ?? null,
'mileage' => $this->parseMileage($data['mileage'] ?? 0),
'power' => $this->parsePower($data['power'] ?? ''),
'body_color' => $data['body_color'] ?? null,
'images' => implode(',', $images),
'condition_desc' => $data['condition_desc'] ?? null,
'attachment' => $attachment,
'source_url' => $data['source_url'] ?? null,
'crawl_title' => $data['crawl_title'] ?? null,
'crawl_brand' => $data['crawl_brand'] ?? null,
'crawl_brand_id' => $data['crawl_brand_id'] ?? 0,
'crawl_series' => $data['crawl_series'] ?? null,
'crawl_series_id' => $data['crawl_series_id'] ?? 0,
'crawl_year' => $data['crawl_year'] ?? null,
'crawl_msrp' => $this->parsePrice($data['crawl_msrp'] ?? 0),
'crawl_car_id' => $data['crawl_car_id'] ?? 0,
'status' => UsedCar::STATUS_NORMAL,
'sort' => $data['sort'] ?? 0,
]);
return $car;
});
}
/**
* 更新二手车记录
*
* @param int $id
* @param array $data
* @param int $userId
* @return UsedCar
* @throws \Exception
*/
public function update(int $id, array $data, int $userId): UsedCar
{
$car = UsedCar::findOrFail($id);
// 检查权限
if ($car->user_id !== $userId) {
throw new \Exception('无权编辑此记录');
}
// 验证数据
$this->validateCarData($data);
// 处理图片
if (isset($data['images'])) {
$images = is_array($data['images']) ? $data['images'] : explode(',', $data['images']);
$data['images'] = implode(',', array_filter($images));
}
// 处理附件
if (isset($data['attachment']) && is_array($data['attachment'])) {
$data['attachment'] = json_encode($data['attachment'], JSON_UNESCAPED_UNICODE);
}
// 处理价格和里程
if (isset($data['price'])) {
$data['price'] = $this->parsePrice($data['price']);
}
if (isset($data['mileage'])) {
$data['mileage'] = $this->parseMileage($data['mileage']);
}
if (isset($data['power'])) {
$data['power'] = $this->parsePower($data['power']);
}
if (isset($data['crawl_msrp'])) {
$data['crawl_msrp'] = $this->parsePrice($data['crawl_msrp']);
}
// 只更新允许的字段
$fillable = [
'product_name', 'vin', 'price', 'source_place', 'plate_place',
'plate_time', 'displacement', 'mileage', 'power', 'body_color',
'images', 'condition_desc', 'attachment',
];
foreach ($fillable as $field) {
if (array_key_exists($field, $data)) {
$car->$field = $data[$field];
}
}
$car->save();
return $car;
}
/**
* 删除二手车记录（软删除）
*
* @param int $id
* @param int $userId
* @return bool
* @throws \Exception
*/
public function delete(int $id, int $userId): bool
{
$car = UsedCar::findOrFail($id);
// 检查权限
if ($car->user_id !== $userId) {
throw new \Exception('无权删除此记录');
}
$car->status = UsedCar::STATUS_DELETED;
return $car->save();
}
/**
* 更新状态
*
* @param int $id
* @param int $status
* @param int $userId
* @return bool
* @throws \Exception
*/
public function updateStatus(int $id, int $status, int $userId): bool
{
$car = UsedCar::findOrFail($id);
// 检查权限
if ($car->user_id !== $userId) {
throw new \Exception('无权修改此记录');
}
$car->status = $status;
return $car->save();
}
/**
* URL抓取车辆信息
*
* @param string $url
* @return array
* @throws \Exception
*/
public function crawlByUrl(string $url): array
{
$data = $this->crawlService->crawlByUrl($url);
// 下载图片到临时目录
$tempDir = runtime_path('tmp/usedcar_images/');
$images = $data['images'] ?? [];
return [
'product_name' => $data['title'] ?? '',
'price' => $this->parsePrice($data['price'] ?? 0),
'source_place' => $data['source_place'] ?? '',
'plate_time' => $data['plate_time'] ?? '',
'displacement' => $data['displacement'] ?? '',
'mileage' => $data['mileage'] ?? 0,
'power' => $data['power'] ?? '',
'body_color' => $data['body_color'] ?? '',
'images' => $images,
'condition_desc' => $data['condition_desc'] ?? '',
'source_url' => $data['source_url'] ?? $url,
'crawl_title' => $data['title'] ?? '',
'crawl_brand' => $data['brand_name'] ?? '',
'crawl_brand_id' => $data['brand_id'] ?? 0,
'crawl_series' => $data['series_name'] ?? '',
'crawl_series_id' => $data['series_id'] ?? 0,
'crawl_year' => $data['year'] ?? '',
'crawl_car_id' => $data['car_id'] ?? 0,
'used_car_id' => $data['used_car_id'] ?? 0,
];
}
/**
* 生成唯一编号
*
* @param int $userId
* @param string $userName
* @return string
*/
private function generateCode(int $userId, string $userName): string
{
// 获取用户名拼音首字母
$nameInitials = $this->getNameInitials($userName);
$userCode = str_pad($userId, 3, '0', STR_PAD_LEFT);
// 从Redis获取今日计数
$redisKey = 'used_car_count_' . $userId;
$todayStart = strtotime('today');
// 检查数据库中今日已创建的数量
$count = UsedCar::where('user_id', $userId)
->where('created_at', '>=', $todayStart)
->count();
// 从Redis获取缓存计数
$cachedCount = Redis::get($redisKey, 0);
$count = max($count, $cachedCount) + 1;
// 更新Redis缓存（24小时过期）
Redis::setex($redisKey, 86400, $count);
$countCode = str_pad($count, 3, '0', STR_PAD_LEFT);
return $nameInitials . $userCode . date('Ymd') . $countCode;
}
/**
* 获取中文名拼音首字母
*/
private function getNameInitials(string $name): string
{
$initials = '';
$len = mb_strlen($name);
for ($i = 0; $i < $len; $i++) {
$char = mb_substr($name, $i, 1);
$initials .= $this->getFirstChar($char);
}
return strtoupper($initials);
}
/**
* 获取单个汉字的首字母
*/
private function getFirstChar(string $char): string
{
// 英文字母直接返回
if (preg_match('/^[a-zA-Z]$/', $char)) {
return strtoupper($char);
}
// 转换为GB2312编码
$s = @iconv('UTF-8', 'GB2312//IGNORE', $char);
if ($s === false || strlen($s) < 2) {
return '';
}
$code = ord($s[0]) * 256 + ord($s[1]) - 65536;
$map = [
[-20319, -20284, 'A'], [-20283, -19776, 'B'], [-19775, -19219, 'C'],
[-19218, -18711, 'D'], [-18710, -18527, 'E'], [-18526, -18240, 'F'],
[-18239, -17923, 'G'], [-17922, -17418, 'H'], [-17417, -16475, 'J'],
[-16474, -16213, 'K'], [-16212, -15641, 'L'], [-15640, -15166, 'M'],
[-15165, -14923, 'N'], [-14922, -14915, 'O'], [-14914, -14631, 'P'],
[-14630, -14150, 'Q'], [-14149, -14091, 'R'], [-14090, -13319, 'S'],
[-13318, -12839, 'T'], [-12838, -12557, 'W'], [-12556, -11848, 'X'],
[-11847, -11056, 'Y'], [-11055, -10247, 'Z']
];
foreach ($map as [$start, $end, $letter]) {
if ($code >= $start && $code <= $end) {
return $letter;
}
}
return '';
}
/**
* 解析价格（单位统一转换为分）
*/
private function parsePrice($price): int
{
$price = floatval(str_replace(['万', ','], '', $price));
// 如果小于200，说明是以万为单位
if ($price < 200 && $price > 0) {
$price = $price * 10000;
}
return (int)($price * 100); // 转换为分
}
/**
* 解析里程（移除单位）
*/
private function parseMileage($mileage): int
{
$mileage = str_replace(['万', 'K', 'M', 'k', 'm', '公里'], '', $mileage);
return (int)floatval($mileage);
}
/**
* 解析马力（移除单位）
*/
private function parsePower($power): string
{
return str_replace(['P', 'S', 'p', 's', '马力', 'Ps', 'PS'], '', $power);
}
/**
* 验证车辆数据
*/
private function validateCarData(array $data): void
{
if (empty($data['product_name'])) {
throw new \Exception('产品名称不能为空');
}
}
/**
* 格式化列表项
*/
private function formatListItem(UsedCar $car): array
{
$data = $car->toArray();
// 格式化时间
if ($car->created_at) {
$data['created_at'] = $car->created_at->toDateTimeString();
}
if ($car->updated_at) {
$data['updated_at'] = $car->updated_at->toDateTimeString();
}
// 处理图片
$data['images_array'] = [];
if (!empty($car->images)) {
$data['images_array'] = explode(',', $car->images);
}
return $data;
}
/**
* 格式化详情项
*/
private function formatDetailItem(UsedCar $car): array
{
$data = $car->toArray();
// 格式化时间
if ($car->created_at) {
$data['created_at'] = $car->created_at->toDateTimeString();
}
if ($car->updated_at) {
$data['updated_at'] = $car->updated_at->toDateTimeString();
}
// 处理图片
$data['images_array'] = [];
if (!empty($car->images)) {
$data['images_array'] = explode(',', $car->images);
}
// 处理附件
$data['attachment_array'] = [];
if (!empty($car->attachment)) {
$attachment = json_decode($car->attachment, true);
if (is_array($attachment)) {
$data['attachment_array'] = $attachment;
}
}
// 添加用户信息
if ($car->user) {
$data['user'] = [
'id' => $car->user->id,
'name' => $car->user->name,
];
}
// PDF生成日志
if ($car->pdfLogs) {
$data['pdf_logs'] = $car->pdfLogs->map(function ($log) {
return [
'id' => $log->id,
'price_snapshot' => $log->price_snapshot,
'pdf_path' => $log->pdf_path,
'created_at' => $log->created_at ? $log->created_at->toDateTimeString() : null,
];
})->toArray();
}
return $data;
}
}