<?php
namespace app\common\model;

use think\Db;
use think\Exception;
use think\Model;

class Base extends Model
{
    // 不需要存入时间的可以直接调用
    protected function updateInfo($data,$valiname,$scene=''){
        $result = validate($valiname)->check($data,[],$scene);
        if(true !== $result){
            $this->error = validate($valiname)->getError();
            return false;
        }
        $id = $data['id'];
        unset($data['id']);
        if($id > 0){
            $ret = $this->allowField(true)->save($data,['id'=>$id]);
        }else{
            $ret = $this->allowField(true)->save($data);
        }
        if(!$ret){
            $this->error = '操作失败';
            return false;
        }

        return true;
    }

    public function getTableField($table,$where,$field){

        $val = Db::name($table)
            ->where($where)
            ->value($field);
        return $val?$val:"";
    }

}