amis地区数据

database/seeders/AmisRegionSeeder.php

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+<?php
+
+namespace Database\Seeders;
+
+// use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+use Illuminate\Support\Facades\Storage;
+
+class AmisRegionSeeder extends Seeder
+{
+    /**
+     * Seed the application's database.
+     */
+    public function run(): void
+    {
+        // Amis 省市区转换
+        // https://github.com/baidu/amis/blob/master/packages/amis-ui/src/components/CityDB.ts
+
+        // 省份
+        $province = [];
+        // 城市
+        $city = [];
+        // 地区
+        $district = [];
+
+        // 省市区数据
+        $region = file_get_contents(database_path('data/region.json'));
+
+        foreach (json_decode($region, true) as $code => $name) {
+            if ($code % 10000 === 0) {
+                $province[] = ['code' => $code, 'name' => $name];
+            } elseif ($code % 100 === 0) {
+                $provinceCode = $code - ($code % 10000);
+                $city[$provinceCode][] = ['code' => $code, 'name' => $name];
+            } else {
+                $provinceCode = $code - ($code % 10000);
+                $cityCode = $code - ($code % 100);
+                $district[$provinceCode][$cityCode][] = ['code' => $code, 'name' => $name];
+            }
+        }
+
+        $data = json_encode(compact('province', 'city', 'district'), JSON_UNESCAPED_UNICODE);
+
+        Storage::disk('public')->put('region.json', $data);
+    }
+}