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281 lines
8.7 KiB
281 lines
8.7 KiB
<?php
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// +----------------------------------------------------------------------
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// +----------------------------------------------------------------------
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// | Author: 萤火科技 <admin@yiovo.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace app\common\model;
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use cores\BaseModel;
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use think\facade\Cache;
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use app\common\library\helper;
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/**
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* 地区模型
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* Class Region
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* @package app\common\model
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*/
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class Region extends BaseModel
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{
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// 定义表名
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protected $name = 'region';
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// 定义主键
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protected $pk = 'id';
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protected $createTime = false;
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protected $updateTime = false;
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/**
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* 类型自动转换
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* @var array
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*/
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protected $type = [
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'id' => 'integer',
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'pid' => 'integer',
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'level' => 'integer',
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];
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// 当前数据版本号
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private static string $version = '1.0.3';
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/**
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* 根据ID获取地区名称
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* @param int $id
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* @return mixed|string
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public static function getNameById(int $id = 0)
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{
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if ($id == 0) {
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return '其他';
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}
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$data = self::getCacheAll();
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return isset($data[$id]) ? $data[$id]['name'] : '其他';
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}
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/**
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* 根据名称获取地区ID
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* @param string $name
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* @param int $level
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* @param int $pid
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* @return int|mixed
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public static function getIdByName(string $name, int $level = 0, int $pid = 0)
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{
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$data = self::getCacheAll();
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foreach ($data as $item) {
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if ($item['name'] == $name && $item['level'] == $level && $item['pid'] == $pid) {
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return $item['id'];
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}
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}
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return 0;
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}
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/**
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* 获取所有地区(树状结构)
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public static function getCacheTree(): array
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{
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return static::getCacheData('tree');
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}
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/**
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* 获取所有地区列表
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public static function getCacheAll(): array
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{
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return static::getCacheData('all');
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}
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/**
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* 获取所有地区的总数
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public static function getCacheCounts(): array
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{
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return static::getCacheData('counts');
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}
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/**
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* 获取缓存中的数据(存入静态变量)
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* @param null $item
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* @return array|mixed
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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private static function getCacheData($item = null)
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{
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static $cacheData = [];
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if (empty($cacheData)) {
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$static = new static;
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$cacheData = $static->regionCache();
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}
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if (is_null($item)) {
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return $cacheData;
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}
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return $cacheData[$item];
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}
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public function getNewTreeList(){
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$treeList = Cache::get('region2');
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if ($treeList) {
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return $treeList;
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}
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$allList = self::withoutGlobalScope()
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->field('id, pid, name, level')
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->select()
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->toArray();
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$treeList = [];
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$i = 0;
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foreach ($allList as $pKey => $province) {
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if ($province['level'] == 1) { // 省份
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$treeList[$i] = $province;
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unset($allList[$pKey]);
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$j = 0;
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foreach ($allList as $cKey => $city) {
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if ($city['level'] == 2 && $city['pid'] == $province['id']) { // 城市
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$treeList[$i]['children'][$j] = $city;
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unset($allList[$cKey]);
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$m = 0;
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foreach ($allList as $rKey => $region) {
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if ($region['level'] == 3 && $region['pid'] == $city['id']) { // 地区
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$treeList[$i]['children'][$j]['children'][$m] = $region;
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unset($allList[$rKey]);
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$m++;
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}
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}
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$j++;
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}
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}
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$i++;
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}
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}
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Cache::tag('cache')->set('region2', $treeList);
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return $treeList;
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}
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/**
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* 获取地区缓存
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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private function regionCache(): array
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{
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// 缓存的数据
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$complete = Cache::get('region');
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// 如果存在缓存则返回缓存的数据，否则从数据库中查询
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// 条件1: 获取缓存数据
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// 条件2: 数据版本号要与当前一致
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if (
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!empty($complete)
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&& isset($complete['version'])
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&& $complete['version'] == self::$version
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) {
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return $complete;
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}
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// 所有地区
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$allList = $tempList = $this->getAllList();
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// 已完成的数据
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$complete = [
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'all' => $allList,
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'tree' => $this->getTreeList($allList),
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'counts' => $this->getCount($allList),
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'version' => self::$version,
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];
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// 写入缓存
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Cache::tag('cache')->set('region', $complete);
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return $complete;
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}
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/**
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* 地区总数
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* @param $allList
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* @return array
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*/
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private static function getCount($allList): array
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{
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$counts = [
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'total' => count($allList),
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'province' => 0,
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'city' => 0,
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'region' => 0,
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];
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$level = [1 => 'province', 2 => 'city', 3 => 'region'];
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foreach ($allList as $item) {
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$counts[$level[$item['level']]]++;
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}
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return $counts;
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}
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/**
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* 格式化为树状格式
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* @param $allList
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* @return array
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*/
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private function getTreeList($allList): array
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{
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$treeList = [];
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foreach ($allList as $pKey => $province) {
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if ($province['level'] == 1) { // 省份
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$treeList[$province['id']] = $province;
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unset($allList[$pKey]);
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foreach ($allList as $cKey => $city) {
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if ($city['level'] == 2 && $city['pid'] == $province['id']) { // 城市
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$treeList[$province['id']]['city'][$city['id']] = $city;
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unset($allList[$cKey]);
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foreach ($allList as $rKey => $region) {
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if ($region['level'] == 3 && $region['pid'] == $city['id']) { // 地区
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$treeList[$province['id']]['city'][$city['id']]['region'][$region['id']] = $region;
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unset($allList[$rKey]);
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}
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}
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}
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}
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}
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}
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return $treeList;
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}
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/**
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* 从数据库中获取所有地区
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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private function getAllList(): array
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{
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$list = self::withoutGlobalScope()
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->field('id, pid, name, level')
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->select()
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->toArray();
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return helper::arrayColumn2Key($list, 'id');
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}
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}
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