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app/api/controller/Region.php

@@ -44,7 +44,9 @@ class Region extends Controller
      */
     public function tree(): Json
     {
-        $list = RegionModel::getCacheTree();
+        $model = new RegionModel();
+        $list = $model->getNewTreeList();
+        //$list = array_values($list);
         return $this->renderSuccess(compact('list'));
     }
 }

app/common/model/Region.php

@@ -139,7 +139,46 @@ class Region extends BaseModel
         }
         return $cacheData[$item];
     }
+    public function getNewTreeList(){
+        $treeList = Cache::get('region2');
+        if ($treeList) {
+            return $treeList;
+        }
+        $allList = self::withoutGlobalScope()
+            ->field('id, pid, name, level')
+            ->select()
+            ->toArray();
        
+        $treeList = [];
+        $i = 0;
+        foreach ($allList as $pKey => $province) {
+            if ($province['level'] == 1) {    // 省份
+                $treeList[$i] = $province;
+                unset($allList[$pKey]);
+                $j = 0;
+                foreach ($allList as $cKey => $city) {
+                    
+                    if ($city['level'] == 2 && $city['pid'] == $province['id']) {    // 城市
+                        $treeList[$i]['children'][$j] = $city;
+                        unset($allList[$cKey]);
+                        $m = 0;
+                        foreach ($allList as $rKey => $region) {
+                            if ($region['level'] == 3 && $region['pid'] == $city['id']) {    // 地区
+                                $treeList[$i]['children'][$j]['children'][$m] = $region;
+                                unset($allList[$rKey]);
+                                $m++;
+                            }
+                        }
+                        $j++;
+                    }
+                }
+                $i++;
+            }
+        }
+        Cache::tag('cache')->set('region2', $treeList);
+        return $treeList;
+        
+    }
     /**
      * 获取地区缓存
      * @return array