laravel模型

ergverhbrt

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use DB;
class Bjwzsd_cpModel extends Model
{
protected $table="bjwzsd_cp";
static function xz($xz){
//$aa=DB::table('bjwzsd_cp')->where('xz',$xz)->get();

$aa = DB::table('bjwzsd_cp')->where('xz',$xz)->where('zk','>',69)->get();

return $aa;
}

}