Township.php
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<?php
/**
+-----------------------------------------------------------------------------------------------------------------------
* 模型层：地区-乡镇 模型类
+-----------------------------------------------------------------------------------------------------------------------
*
* PHP version 7
*
* @category App\Models\Area
* @package App\Models\Area
* @author Richer <yangzi1028@163.com>
* @date 2021年11月3日17:04:04
* @copyright 2020-2022 Richer (http://www.Richer.com/)
* @license http://www.Richer.com/ License
* @link http://www.Richer.com/
*/
namespace App\Models\Area;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Facades\DB;
/**
* Class Township
*
* @category App\Models\Area
* @package App\Models\Area
* @author Richer <yangzi1028@163.com>
* @date 2021年11月3日17:04:04
* @copyright 2020-2022 Richer (http://www.Richer.com/)
* @license http://www.Richer.com/ License
* @link http://www.Richer.com/
*/
class Township extends Area
{
// 指定数据库表
const TABLE = 'area_townships';
protected $table = self::TABLE;
// 指定对象显示名称：方便系统统一查询和做其他处理
const OBJ_NAME = 'township';
const OBJ_NAME_ZH = '乡镇';
// 级别
const LEVEL = 4;
/**
* @return HasMany
*/
public function villages(): HasMany
{
return $this->hasMany(Village::class);
}
/**
* @return HasMany
*/
public function groups(): HasMany
{
return $this->hasMany(Group::class);
}
/**
* @return BelongsTo
*/
public function province(): BelongsTo
{
return $this->belongsTo(Province::class);
}
/**
* @return BelongsTo
*/
public function city(): BelongsTo
{
return $this->belongsTo(City::class);
}
/**
* @return BelongsTo
*/
public function county(): BelongsTo
{
return $this->belongsTo(County::class);
}
/**
* @return BelongsTo
*/
public function township(): BelongsTo
{
return $this->belongsTo(Township::class);
}
/**
* 根据区域的code获取区域的的代码集：主要为laravel-admin select组件使用
*
* @param int $pid
* @param string $operate
* @return array
*/
public static function getSelectOptions($pid = 0, $operate = '')
{
if (!$pid) {
return [];
}
if ($operate === 'link') {
return self::where('county_id', $pid)->orderBy('name')->get(['id', DB::raw('name as text')]);
}
if ($pid) {
$list = self::where('county_id', $pid)->get(['id','name']);
} else {
$list = self::all(['id','name']);
}
$options = [];
foreach ($list as $vo) {
$options[$vo->id] = $vo->name;
}
return $options;
}
}