baseXX/application/admin/controller/setting/SystemConfigContent.php

<?php
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
// +----------------------------------------------------------------------
// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------

namespace app\admin\controller\setting;

use app\admin\controller\AuthController;
use app\admin\model\system\SystemConfigContent as SystemConfigContentModel;
use service\JsonService;

/**
 * 配置文章
 * Class SystemConfigContent
 * @package app\admin\controller\setting
 */
class SystemConfigContent extends AuthController
{
    /**
     * 展示数据
     * @param int $id
     * @return mixed|void
     */
    public function index($id = 0)
    {
        if (!$id) {
            return $this->failed('缺少参数');
        }
        $this->assign([
            'id' => $id,
            'content' => SystemConfigContentModel::getValue($id, 'id'),
            'title' => SystemConfigContentModel::getValue($id, 'id', 'title'),
        ]);
        return $this->fetch();
    }

    /**
     * 保存数据
     * @param int $id
     * @throws \think\exception\DbException
     */
    public function save($id = 0)
    {
        if (!$id) {
            return $this->failed('缺少参数');
        }
        $content = $this->request->post('content', '');
        $info = SystemConfigContentModel::get($id);
        if (!$info) {
            return JsonService::fail('您保存的配置不存在');
        }
        if (!$content) {
            return JsonService::fail('内容不能为空');
        }
        $info->content = htmlspecialchars($content);
        if ($info->save()) {
            return JsonService::successful('保存成功');
        } else {
            return JsonService::fail('保存失败');
        }
    }
}