tp5判断是否登录 2020-04-03 技术分享,PHP学习资料 4 条评论 801 次阅读 tp5是什么？全民为**ThinkPHP** ThinkPHP是一个免费开源的，快速、简单的面向对象的轻量级PHP开发框架，是为了敏捷WEB应用开发和简化企业应用开发而诞生的。ThinkPHP从诞生以来一直秉承简洁实用的设计原则，在保持出色的性能和至简的代码的同时，也注重易用性。遵循Apache2开源许可协议发布，意味着你可以免费使用ThinkPHP，甚至允许把你基于ThinkPHP开发的应用开源或商业产品发布/销售。 <!--more-->  在Controller控制器下新建`Common.php` ```php <?php namespace app\admin\controller; use think\Controller; use think\Request; use think\Db; class Common extends Controller { //检查是否登录 public function _initialize() { if(!session('uname')){ $this->error('请先登录！',url('/admin/login/index')); } } } ``` 在需要判断登录的类中继承该类： `Index.php` ```php <?php namespace app\admin\controller; /** * Created by PhpStorm. * User: gao * Date: 2019/6/11 * Time: 15:39 */ use think\Controller; use think\Db; class Index extends Common { //框架应用 public function Index(){ return view("index"); } /** * 文章内容显示 */ public function AList(){ $sou = request()->param(); $name = input('tid') ? input('title') : ($sou['title'] = ''); //判断是不是第一栏目 $t_fid = input('t_fid') ? input('t_fid') : 0; $Z_tid = 2; if(isset($_POST['sousuo'])){ $tid = input("tid"); $title = input("title"); $data = array(); if(!empty($tid)){ $data['a.tid'] = $tid; } if(!empty($title)){ $data['title'] = ['like','%'.$title.'%']; } $arr=Db::table('article') ->alias('a') ->join('type t','a.tid=t.tid') ->field('a.*,t.tname')//查询指定字段 ->where('a.tid','neq',$Z_tid) ->where($data) ->group('a.id')//分组 ->paginate(5, false, ['query' => request()->param()]);//分页 $page=$arr->render(); $tid = Db::name('type')->select(); return view("list",['arr'=>$arr,'tid'=>$tid,'page'=>$page,'title'=>$title]); }else{ $arr=Db::table('article') ->alias('a') ->join('type t','a.tid=t.tid') ->field('a.*,t.tname')//查询指定字段 ->where('a.tid','neq',$Z_tid) ->order("id desc") ->group('a.id')//分组 ->paginate(5, false, ['query' => request()->param()]);//分页 $page=$arr->render(); $tid = Db::name('type') ->where('tid','neq',$Z_tid)->select(); return view("list",['arr'=>$arr,'tid'=>$tid,'page'=>$page,'title'=>""]); } } /** * 文章类型删除 */ public function type_delete(){ $id=$_GET['id']; $rs=Db::table('type')->where('tid',$id)->delete(); if($rs) { $this->success('删除成功','admin/Index/typeContent');} else { $this->error('删除失败','admin/Index/typeContent');} } /** * 文章类型修改 */ public function type_update() { $id = input('tid'); if (isset($_POST['sub'])) { $tname = input("tname"); $xiugai = Db::name('type') ->where('tid', $id) ->update(['tname' => $tname]); if ($xiugai) $this->success('修改成功', 'admin/Index/typeContent'); else $this->error('修改失败', 'admin/Index/typeContent'); }else{ $id = input('id'); $array = Db::name('type')->where('tid',$id)->find(); return view("type_update",['arr'=>$array]); } } } ``` 在不需要判断是否登录的类中不继承该类，继承Controller就行： `Login.php` ```php <?php namespace app\admin\controller; use think\Controller; use think\Db; use think\Session; class Login extends Controller{ public function index(){ if(null!=input('submit')) { $name=input('name'); $pwd=input('pass'); $user=Db::table('admin') ->where('uname',$name) ->where('upwd',$pwd) ->find(); if($user) { Session::set('uname',$name); $this->success('登陆成功','admin/Index/index'); } else { $this->error('用户名或密码错误','index'); } }else{ return view('login'); } } function dieLogin() { Session(null); return view('login'); } } ``` 打赏: 微信, 支付宝 标签: tp5判断是否登录 本作品采用 知识共享署名-相同方式共享 4.0 国际许可协议 进行许可。
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