添加根据经纬度获取城市

添加后台统计看板

application/api/server/CityService.php

@@ -8,6 +8,9 @@ use think\facade\Config;
 
 class CityService
 {
+    // 腾讯地图API Key
+    private $tencentMapKey = 'EVOBZ-VX7YU-QKJVR-BVESA-AVFT3-7JBWG';
+    
     public function list()
     {
         $cacheKey = 'city_cache_keys';
@@ -25,4 +28,163 @@ class CityService
         }
         return $data;
     }
+
+    /**
+     * 根据经纬度获取所在城市
+     * @param float $lat 纬度
+     * @param float $lng 经度
+     * @return array
+     */
+    public function getCityByLocation($lat, $lng)
+    {
+        // 参数验证
+        if (empty($lat) || empty($lng)) {
+            return [
+                'success' => false,
+                'msg' => '经纬度参数不能为空',
+                'data' => null
+            ];
+        }
+
+        // 验证经纬度范围
+        if (!is_numeric($lat) || !is_numeric($lng)) {
+            return [
+                'success' => false,
+                'msg' => '经纬度格式错误',
+                'data' => null
+            ];
+        }
+
+        $lat = floatval($lat);
+        $lng = floatval($lng);
+
+        if ($lat < -90 || $lat > 90 || $lng < -180 || $lng > 180) {
+            return [
+                'success' => false,
+                'msg' => '经纬度范围错误',
+                'data' => null
+            ];
+        }
+
+        // 生成缓存key
+        $cacheKey = 'city_location_' . md5($lat . '_' . $lng);
+        
+        // 尝试从缓存获取
+        if (Cache::store('redis')->has($cacheKey)) {
+            $cachedData = Cache::store('redis')->get($cacheKey);
+            return [
+                'success' => true,
+                'msg' => '获取成功',
+                'data' => $cachedData
+            ];
+        }
+
+        // 调用腾讯地图逆地理编码API
+        $apiUrl = 'https://apis.map.qq.com/ws/geocoder/v1/';
+        $params = [
+            'location' => $lat . ',' . $lng,
+            'key' => $this->tencentMapKey,
+            'get_poi' => 0
+        ];
+
+        $url = $apiUrl . '?' . http_build_query($params);
+
+        // 使用curl请求
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
+        
+        $response = curl_exec($ch);
+        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        $error = curl_error($ch);
+        curl_close($ch);
+
+        if ($error) {
+            return [
+                'success' => false,
+                'msg' => '请求失败：' . $error,
+                'data' => null
+            ];
+        }
+
+        if ($httpCode !== 200) {
+            return [
+                'success' => false,
+                'msg' => 'API请求失败，HTTP状态码：' . $httpCode,
+                'data' => null
+            ];
+        }
+
+        $result = json_decode($response, true);
+
+        if (empty($result) || $result['status'] !== 0) {
+            return [
+                'success' => false,
+                'msg' => isset($result['message']) ? $result['message'] : '获取城市信息失败',
+                'data' => null
+            ];
+        }
+
+        // 解析返回数据
+        $addressComponent = $result['result']['address_component'] ?? [];
+        $cityName = $addressComponent['city'] ?? '';
+        $provinceName = $addressComponent['province'] ?? '';
+        $districtName = $addressComponent['district'] ?? '';
+        $adcode = $addressComponent['adcode'] ?? '';
+
+        // 如果城市名称为空，尝试使用区县名称
+        if (empty($cityName) && !empty($districtName)) {
+            $cityName = $districtName;
+        }
+
+        // 查询数据库中的城市ID
+        $cityId = null;
+        $cityInfo = null;
+        
+        if (!empty($cityName)) {
+            // 先尝试精确匹配
+            $cityInfo = Db::name('dev_region')
+                ->where('name', $cityName)
+                ->where('level', 2) // 市级
+                ->find();
+            
+            // 如果精确匹配失败，尝试模糊匹配
+            if (empty($cityInfo)) {
+                $cityInfo = Db::name('dev_region')
+                    ->where('name', 'like', '%' . $cityName . '%')
+                    ->where('level', 2)
+                    ->find();
+            }
+            
+            if ($cityInfo) {
+                $cityId = $cityInfo['id'];
+            }
+        }
+
+        $data = [
+            'city_name' => $cityName,
+            'province_name' => $provinceName,
+            'district_name' => $districtName,
+            'adcode' => $adcode,
+            'city_id' => $cityId,
+            'city_info' => $cityInfo,
+            'formatted_address' => $result['result']['formatted_addresses']['recommend'] ?? '',
+            'location' => [
+                'lat' => $lat,
+                'lng' => $lng
+            ]
+        ];
+
+        // 缓存结果（缓存1小时）
+        Cache::store('redis')->set($cacheKey, $data, 3600);
+
+        return [
+            'success' => true,
+            'msg' => '获取成功',
+            'data' => $data
+        ];
+    }
 }