jya-oa-api/application/index/controller/Approval.php

<?php
namespace app\index\controller;

use app\index\validate\UserSalary;
use think\Db;

class Approval extends Base
{

    public function add(){
        $max_day= input('max_day/d',0);
        $id = input('id/d',0);

        $data = [
            'update_time' => date('Y-m-d H:i:s'),
            'max_day' => $max_day
        ];
        $ret = Db::name('approval')->where('id',$id)->update($data);

        if($ret){
            ajax_return_ok();
        }else{
            ajax_return_error('保存失败');
        }
    }

    public function info(){
        $id = input('id/d',0);
        $info = Db::name('approval')->where('id',$id)->field('max_day')->find();
        if(!$info){
            ajax_return_error('数据不存在');
        }
        ajax_return_ok(['max_day'=>$info['max_day']]);
    }

}