模糊抓取车型

This commit is contained in:
2025-10-28 16:19:37 +08:00
parent 6184689e81
commit 77dad7daed
4 changed files with 129 additions and 58 deletions
+91 -54
View File
@@ -168,50 +168,8 @@ class BrandSeriesService
throw new \Exception('抓取失败,未找到该系列车型');
}
$client = new Client([
'verify' => false, // 禁用 SSL 验证
'timeout' => 10
]);
try {
$response = $client->get('https://www.dongchedi.com/motor/pc/car/series/car_list', [
'query' => ['series_id' => $seriesId],
'headers' => [
'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
]
]);
$data = json_decode($response->getBody()->getContents(), true);
if($data['status'] != 0 || (!isset($data['data']) && !isset($data['data']['tab_list']))){
Log::error('抓取车型数据失败' . $data['message'], $data);
throw new \Exception('抓取车型数据失败' . $data['message']);
}
$models = [];
foreach ($data['data']['tab_list'] as $item) {
if($item['tab_text'] == '在售' || $item['tab_text'] == '停售'){
unset($item['data'][0]);
$models = array_merge($models, $item['data']);
}
}
foreach ($models as $key => $model) {
if(!isset($model["info"]['car_name']) || $model['type'] != "1115"){
unset($models[$key]);
continue;
}
$official_price = 0;
if(!isset($model["info"]['official_price'])){
$official_price = (int)(str_replace("万", "", $model["info"]['official_price_str']) * 10000) ?? 0;
}else{
$official_price = $model["info"]['official_price'] * 10000;
}
$models[$key] = [
'title' => $model["info"]['year'] . '款 ' .$model["info"]['car_name'],
'brand_name' => $model["info"]['brand_name'],
'series_name' => $model["info"]['series_name'],
'year' => $model["info"]['year'],
'msrp' => $official_price,
'car_id' => $model["info"]['id'],
];
}
return array_values($models);
return $this->crawlSeriesModel($seriesId);
} catch (\Exception $e) {
throw new \Exception($e->getMessage());
}
@@ -356,22 +314,101 @@ class BrandSeriesService
/**
* 从车型名中提取年份
* @param string $carModel 车型名称
* @return string|null 提取到的年份或null
* 抓取车型数据(通过接口)
* @param Request $request
* @return array
* @throws \Exception
*/
function extractYearFromCarModel($carModel)
public function crawlKeyword(Request $request): array
{
// 匹配4位数字 + "款" 的模式
if (preg_match('/(\d{4})款/', $carModel, $matches)) {
return $matches[1];
$keyword = $request->get('keyword');
// 执行抓取
$crawlService = new CrawlService();
//懂车帝模糊搜索返回车系地址
$href = $crawlService->modelSearch($keyword);
$seriesId = $this->extractSeriesId($href);
if (empty($seriesId)) {
throw new \Exception('抓取失败,未找到该系列车型');
}
// 匹配4位数字 + 空格或结尾的模式
if (preg_match('/^(\d{4})(?=\s|$)/', $carModel, $matches)) {
return $matches[1];
//抓取品牌与系列
$brandSeries = $crawlService->crawlBrandSeries($seriesId);
// 验证品牌是否存在
$brand = Brand::where('brand_name', $brandSeries['brand'])->first();
// 获取品牌信息
$series = BrandSeries::where('series_name', $brandSeries['series'])->first();
$result['brand'] = ['brand_name' => $brandSeries['brand'], 'exists' => $brand?1:0];
$result['series'] = ['series_name' => $brandSeries['series'], 'exists' => $series?1:0];
try {
//获取车型数据
$result['model'] = $this->crawlSeriesModel($seriesId);
return $result;
} catch (\Exception $e) {
throw new \Exception($e->getMessage());
}
}
return null;
/**
* 获取车系下车型数据
* @return array
* @throws \GuzzleHttp\Exception\GuzzleException
*/
public function crawlSeriesModel($seriesId)
{
$client = new Client([
'verify' => false, // 禁用 SSL 验证
'timeout' => 10
]);
try {
$response = $client->get('https://www.dongchedi.com/motor/pc/car/series/car_list', [
'query' => ['series_id' => $seriesId],
'headers' => [
'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
]
]);
$data = json_decode($response->getBody()->getContents(), true);
if($data['status'] != 0 || (!isset($data['data']) && !isset($data['data']['tab_list']))){
Log::error('抓取车型数据失败' . $data['message'], $data);
throw new \Exception('抓取车型数据失败' . $data['message']);
}
$models = [];
foreach ($data['data']['tab_list'] as $item) {
if($item['tab_text'] == '在售' || $item['tab_text'] == '停售'){
unset($item['data'][0]);
$models = array_merge($models, $item['data']);
}
}
foreach ($models as $key => $model) {
if(!isset($model["info"]['car_name']) || $model['type'] != "1115"){
unset($models[$key]);
continue;
}
$official_price = 0;
if(!isset($model["info"]['official_price'])){
$official_price = (int)(str_replace("万", "", $model["info"]['official_price_str']) * 10000) ?? 0;
}else{
$official_price = $model["info"]['official_price'] * 10000;
}
$models[$key] = [
'title' => $model["info"]['year'] . '款 ' .$model["info"]['car_name'],
'brand_name' => $model["info"]['brand_name'],
'series_name' => $model["info"]['series_name'],
'year' => $model["info"]['year'],
'msrp' => $official_price,
'car_id' => $model["info"]['id'],
];
}
return array_values($models);
} catch (\Exception $e) {
throw new \Exception($e->getMessage());
}
}
}
@@ -48,7 +48,7 @@ class BrandSeriesController extends BaseController
}
/**
* 异步抓取系列车型
* 抓取系列车型
* @param Request $request
* @return \support\Response
*/
@@ -58,7 +58,7 @@ class BrandSeriesController extends BaseController
if($result){
return $this->success($result,'抓取成功');
}else{
return $this->error('抓取任务提交失败');
return $this->error('抓取任务失败');
}
} catch (\Exception $e) {
return $this->error($e->getMessage());
@@ -66,7 +66,7 @@ class BrandSeriesController extends BaseController
}
/**
* 异步抓取系列车型
* 保存抓取的系列车型
* @param Request $request
* @return \support\Response
*/
@@ -82,4 +82,23 @@ class BrandSeriesController extends BaseController
return $this->error($e->getMessage());
}
}
/**
* 关键词抓取品牌、车系、车型
* @param Request $request
* @return \support\Response
*/
public function crawlKeyword(Request $request){
try {
$result = $this->service->crawlKeyword($request);
if($result){
return $this->success($result,'抓取成功');
}else{
return $this->error('抓取任务失败');
}
} catch (\Exception $e) {
return $this->error($e->getMessage());
}
}
}
+14
View File
@@ -73,4 +73,18 @@ class CrawlService
});
return $href;
}
/**
* 关键词搜索的更多页面,通过面包屑抓取品牌与系列
* @param $series
* @return mixed|string
*/
public function crawlBrandSeries($series)
{
$url = "https://www.dongchedi.com/auto/series/" . $series . "?anchorId=carModels";
$ql = QueryList::get($url);
$result = $ql->find('div.breadcrumb_wrap__2GLeU span')->texts()->all();
return ['brand' => $result[2], 'series' => $result[3]];
}
}
+1
View File
@@ -109,6 +109,7 @@ Route::group('/common', function () {
Route::any('/destroy', [app\common\controller\BrandSeriesController::class, 'destroy']);
Route::any('/crawlModels', [app\common\controller\BrandSeriesController::class, 'crawlModels']);
Route::any('/crawlModelCreate', [app\common\controller\BrandSeriesController::class, 'crawlModelCreate']);
Route::any('/crawlKeyword', [app\common\controller\BrandSeriesController::class, 'crawlKeyword']);
});
});