update

app/Http/Controllers/Mobile/OtherController.php

@@ -140,20 +140,8 @@ class OtherController extends CommonController
         $sortName = $all['sort_name'] ?? 'distance';
         $sortType = $all['sort_type'] ?? 'asc';
 
-        // 使用简化的距离计算公式，避免精度问题
+        // 先构建基础查询，不使用SQL计算距离
-        $distanceFormula = "
-            (6371 * 2 * asin(
-                sqrt(
-                    pow(sin(radians((CAST(company_latitude AS DECIMAL(10,8)) - ?) / 2)), 2) +
-                    cos(radians(?)) * cos(radians(CAST(company_latitude AS DECIMAL(10,8)))) *
-                    pow(sin(radians((CAST(company_longitude AS DECIMAL(10,8)) - ?) / 2)), 2)
-                )
-            )) AS distance
-        ";
-
-        // 先构建基础查询
         $query = Company::select('*')
-            ->selectRaw($distanceFormula, [$latitude, $latitude, $longitude])
             ->where(function ($query) use ($all) {
                 if (isset($all['company_name'])) {
                     $query->where('company_name', 'like', '%' . $all['company_name'] . '%');
@@ -195,15 +183,38 @@ class OtherController extends CommonController
         ]);
 
         // 根据排序字段进行排序
-        if ($sortName === 'distance') {
+        if ($sortName !== 'distance') {
-            // 距离排序始终按升序（从近到远）
-            $query->orderBy('distance', 'asc');
-        } else {
             $query->orderBy($sortName, $sortType);
         }
 
         $result = $query->paginate($pageSize, ['*'], 'page', $page);
 
+        // 在PHP中计算距离
+        foreach ($result->items() as $company) {
+            $companyLat = floatval($company->company_latitude);
+            $companyLon = floatval($company->company_longitude);
+
+            // 使用Haversine公式计算距离
+            $distance = 6371 * acos(
+                cos(deg2rad($latitude)) * cos(deg2rad($companyLat)) *
+                cos(deg2rad($companyLon) - deg2rad($longitude)) +
+                sin(deg2rad($latitude)) * sin(deg2rad($companyLat))
+            );
+
+            $company->distance = $distance;
+        }
+
+        // 如果按距离排序，在PHP中排序
+        if ($sortName === 'distance') {
+            $items = $result->items();
+            usort($items, function ($a, $b) {
+                return $a->distance <=> $b->distance;
+            });
+
+            // 重新设置分页数据
+            $result->setCollection(collect($items));
+        }
+
         // 添加调试信息
         \Log::info('Distance calculation debug', [
             'input_lat' => $latitude,
@@ -212,8 +223,7 @@ class OtherController extends CommonController
             'target_lon' => '120.421618',
             'expected_distance' => 13.22,
             'actual_distance' => $result->first() ? $result->first()->distance : 'N/A',
-            'formula' => $distanceFormula,
+            'calculation_method' => 'PHP Haversine'
-            'parameters' => [$latitude, $latitude, $longitude]
         ]);
 
         return $this->success($result);