update

app/Http/Controllers/Mobile/OtherController.php

@@ -140,32 +140,19 @@ class OtherController extends CommonController
         $sortName = $all['sort_name'] ?? 'distance';
         $sortType = $all['sort_type'] ?? 'asc';
 
-        // 使用简单稳定的距离计算公式
+        // 使用简化的距离计算公式
         $distanceFormula = "
             (6371 * acos(
-                GREATEST(-1, LEAST(1, 
-                    cos(radians(?)) * 
-                    cos(radians(CAST(company_latitude AS DECIMAL(10,8)))) * 
-                    cos(radians(CAST(company_longitude AS DECIMAL(10,8))) - radians(?)) + 
-                    sin(radians(?)) * 
-                    sin(radians(CAST(company_latitude AS DECIMAL(10,8))))
-                ))
+                cos(radians(?)) * 
+                cos(radians(CAST(company_latitude AS DECIMAL(10,8)))) * 
+                cos(radians(CAST(company_longitude AS DECIMAL(10,8))) - radians(?)) + 
+                sin(radians(?)) * 
+                sin(radians(CAST(company_latitude AS DECIMAL(10,8))))
             )) AS distance
         ";
 
-        $query = Company::with([
-            'users' => function ($query) {
-                $query->with([
-                    'courseSigns' => function ($query) {
-                        $query->with('course')->orderBy('fee_status', 'desc');
-                    }
-                ]);
-            }
-        ])
-            ->whereHas('users', function ($query) {
-                $query->where('is_schoolmate', 1);
-            })
-            ->select('*')
+        // 先构建基础查询
+        $query = Company::select('*')
             ->selectRaw($distanceFormula, [$latitude, $longitude, $latitude])
             ->where(function ($query) use ($all) {
                 if (isset($all['company_name'])) {
@@ -179,7 +166,19 @@ class OtherController extends CommonController
             ->whereRaw('company_longitude REGEXP \'^-?[0-9]+\.?[0-9]*$\'')
             ->whereRaw('company_latitude REGEXP \'^-?[0-9]+\.?[0-9]*$\'')
             ->whereRaw('CAST(company_longitude AS DECIMAL(10,8)) BETWEEN -180 AND 180')
-            ->whereRaw('CAST(company_latitude AS DECIMAL(10,8)) BETWEEN -90 AND 90');
+            ->whereRaw('CAST(company_latitude AS DECIMAL(10,8)) BETWEEN -90 AND 90')
+            ->whereHas('users', function ($query) {
+                $query->where('is_schoolmate', 1);
+            })
+            ->with([
+                'users' => function ($query) {
+                    $query->with([
+                        'courseSigns' => function ($query) {
+                            $query->with('course')->orderBy('fee_status', 'desc');
+                        }
+                    ]);
+                }
+            ]);
 
         // 根据排序字段进行排序
         if ($sortName === 'distance') {
@@ -191,6 +190,16 @@ class OtherController extends CommonController
 
         $result = $query->paginate($pageSize, ['*'], 'page', $page);
 
+        // 添加调试信息
+        \Log::info('Distance calculation debug', [
+            'input_lat' => $latitude,
+            'input_lon' => $longitude,
+            'target_lat' => '31.326810',
+            'target_lon' => '120.421618',
+            'expected_distance' => 13.22,
+            'actual_distance' => $result->first() ? $result->first()->distance : 'N/A'
+        ]);
+
         return $this->success($result);
     }