doufire_php/app/admin/controller/user/Useragent.php

<?php

namespace app\admin\controller\user;

use app\admin\model\User;
use app\common\controller\AdminController;
use app\admin\model\UserAgent as UserAgentModel;
use think\App;
use think\exception\ValidateException;

class Useragent extends AdminController
{
    public function __construct(App $app)
    {
        parent::__construct($app);
        $this->model = new UserAgentModel();
    }

    protected function indexWhere(&$where)
    {
        if ($where) {
            foreach ($where as $key => $w) {
                if ($w[0] == 'username') {
                    $uid = User::where('nick_name', $w[1], $w[2])->column('uid');
                    $where[$key] = ['uid', 'in', $uid ?: [0]];
                }
            }
        }
    }

    public function index()
    {
        if ($this->request->isAjax()) {
            if (input('selectFields')) {
                return $this->selectList();
            }
            list($page, $limit, $where) = $this->buildTableParames();
            $this->indexWhere($where);
            $count = $this->model
                ->where($where)
                ->count();
            $list  = $this->model
                ->withoutField('update_time, delete_time')
                ->where($where)
                ->page($page, $limit)
                ->order('id desc')
                ->select()
                ->each(function ($item) {
                    $item['username'] = User::getUserValue($item['uid']);
                    $item['avatar'] =  User::getUserValue($item['uid'], 'avatar');
                });
            $data  = [
                'code'  => 0,
                'msg'   => '',
                'count' => $count,
                'data'  => $list
            ];
            return json($data);
        }
        return $this->fetch();
    }

    /**
     * @NodeAnotation(title="添加")
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $post = $this->request->post();
            try {
                $rule = ['uid|用户' => 'require|number', 'status|状态' => 'require|in:0,1'];
                validate()->rule($rule)->check($post);
                $query = $this->model->where('uid', $post['uid'])->find();
                if ($query) throw new ValidateException('代理已存在');
                $save = $this->model->save($post);
            } catch (ValidateException $e) {
                $this->error($e->getMessage());
            } catch (\Exception $e) {
                $this->error('保存失败');
            }
            $save ? $this->success('保存成功') : $this->error('保存失败');
        }
        return $this->fetch();
    }

    /**
     * @NodeAnotation(title="删除")
     */
    public function delete($id)
    {
        $this->checkPostRequest();
        $row = $this->model->whereIn('id', $id)->select();
        $row->isEmpty() && $this->error('数据不存在');
        try {
            $save = false;
            foreach ($row as $value) {
                $save = $this->model->where('id', $value['id'])->useSoftDelete('delete_time', time())->delete();
            }
        } catch (\Exception $e) {
            $this->error('删除失败');
        }
        $save ? $this->success('删除成功') : $this->error('删除失败');
    }

    /**
     * @NodeAnotation(title="属性修改")
     */
    public function modify()
    {
        $this->checkPostRequest();
        $post = $this->request->post();
        $rule = [
            'id|ID'    => 'require',
            'field|字段' => 'require',
            'value|值'  => 'require',
        ];
        $this->validate($post, $rule);
        if (!in_array($post['field'], $this->allowModifyFields)) {
            $this->error('该字段不允许修改：' . $post['field']);
        }
        $row = $this->model->find($post['id']);
        empty($row) && $this->error('数据不存在');
        try {
            $row->save([
                $post['field'] => $post['value'],
            ]);
        } catch (\Exception $e) {
            $this->error($e->getMessage());
        }
        $this->success('保存成功');
    }
}