xtu_mall/app/common/controller/BaseController.php

<?php
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// | 控制器基础类
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declare (strict_types = 1);

namespace app\common\controller;

use app\common\library\traits\Jump;
use app\common\middleware\ActionBegin;
use think\App;
use think\exception\ValidateException;
use think\facade\View;
use think\Validate;

abstract class BaseController
{
    use Jump;
    /**
     * Request实例
     * @var \think\Request
     */
    protected $request;

    /**
     * 应用实例
     * @var \think\App
     */
    protected $app;

    /**
     * 视图实例
     * @var \think\View
     */
    protected $view;

    /**
     * @var bool 验证失败是否抛出异常
     */
    protected $failException = true;

    /**
     * 是否批量验证
     * @var bool
     */
    protected $batchValidate = false;

    /**
     * 控制器中间件
     * @var array
     */
    protected $middleware = [ActionBegin::class];

    /**
     * 构造方法
     * @access public
     * @param  App  $app  应用对象
     */
    public function __construct(App $app)
    {
        $this->app     = $app;
        $this->request = $this->app->request;
        $this->view    = $this->app->view;

        // 控制器初始化
        $this->initialize();
    }

    // 初始化
    protected function initialize()
    {}

    protected function fetch(string $template = '', array $vars = [])
    {
        return View::fetch($template, $vars);
    }

    protected function assign(...$vars)
    {
        View::assign(...$vars);
    }

    /**
     * 设置验证失败后是否抛出异常
     * @access protected
     * @param bool $fail 是否抛出异常
     * @return $this
     */
    protected function validateFailException($fail = true)
    {
        $this->failException = $fail;

        return $this;
    }

    /**
     * 验证数据
     * @access protected
     * @param  array        $data     数据
     * @param  string|array $validate 验证器名或者验证规则数组
     * @param  array        $message  提示信息
     * @param  bool         $batch    是否批量验证
     * @return array|string|true
     * @throws ValidateException
     */
    protected function validate(array $data, string | array $validate, array $message = [], bool $batch = false)
    {
        if (is_array($validate)) {
            $v = new Validate();
            $v->rule($validate);
        } else {
            if (strpos($validate, '.')) {
                // 支持场景
                [$validate, $scene] = explode('.', $validate);
            }
            $class = false !== strpos($validate, '\\') ? $validate : $this->app->parseClass('validate', $validate);
            $v     = new $class();
            if (!empty($scene)) {
                $v->scene($scene);
            }
        }

        $v->message($message);

        // 是否批量验证
        if ($batch || $this->batchValidate) {
            $v->batch(true);
        }

        return $v->failException($this->failException)->check($data);
    }

}