project/app/cxinv/controller/Purchease.php

<?php


namespace app\cxinv\controller;


use app\cxinv\model\CgdInfo;
use think\App;
class Purchease extends Base{
    public function __construct(App $app) {
        parent::__construct($app);
        $this->model=new CgdInfo();
    }
    public function status(){
      $param= $this->request->param(['id'=>'','status'=>''],'post','trim');
      $valid= $this->validate($param,[
          'id|订单编号'=>'require|number',
          'status|订单状态'=>'require|number|in:0,1,2,3'
      ]);
      if($valid!==true) return error($valid);
      $model= $this->model->findOrEmpty($param['id']);
      if($model->isEmpty())return error('订单不存在');
      if($model->status==$param['status']) return error('订单状态已更新');
      $model->status=$param['status'];
      $save = $model->save();
      if($save===false)return error('更新失败');
      return success('更新成功');
    }
}