yii2实现分页，带搜索的分页功能示例

<?php//...other code//关联public function getCate(){    return $this->hasOne(ArticleCate::className(),['id' => 'cid']);  }?>

<?phpnamespace common/models/search;use Yii;use yii/base/Model;use yii/data/ActiveDataProvider;use common/models/Article;class ArticleSearch extends Article{  //public $cname;//文章类别名    /**   * @inheritdoc   */  public function rules()  {    return [      [['cid','created_at', 'updated_at'], 'integer'],      [['id', 'desc','title','cover','content'], 'safe'],    ];  }  /**   * @inheritdoc   */  public function scenarios()  {    // bypass scenarios() implementation in the parent class    return Model::scenarios();  }  //搜索  public function search($params)  {    $query = Article::find();    // $query->joinWith(['cate']);//关联文章类别表    // $query->joinWith(['author' => function($query) { $query->from(['author' => 'users']); }]);    $dataProvider = new ActiveDataProvider([      'query' => $query,      'pagination' => [        'pageSize' => 2,      ],    ]);    // 从参数的数据中加载过滤条件，并验证    $this->load($params);    if (!$this->validate()) {      // uncomment the following line if you do not want to any records when validation fails      // $query->where('0=1');      return $dataProvider;    }    // 增加过滤条件来调整查询对象    $query->andFilterWhere([      // 'cname' => $this->cate.cname,      'title' => $this->title,    ]);    $query->andFilterWhere(['like', 'title', $this->title]);    //$query->andFilterWhere(['like', 'cate.cname', $this->cname]) ;    return $dataProvider;  }}

<?php//other codeuse yii/data/Pagination;public function actionArticlelist()  {    //分页读取类别数据    $model = Article::find()->with('cate');    $pagination = new Pagination([      'defaultPageSize' => 3,      'totalCount' => $model->count(),    ]);    $model = $model->orderBy('id ASC')      ->offset($pagination->offset)      ->limit($pagination->limit)      ->all();    return $this->render('index', [      'model' => $model,      'pagination' => $pagination,    ]);  }?>

<?phpuse yii/widgets/LinkPager;use yii/helpers/Html;use yii/helpers/Url;//other codeforeach ($models as $model) {  // 在这里显示 $model}// 显示分页echo LinkPager::widget([  'pagination' => $pagination,  'firstPageLabel'=>"First",  'prevPageLabel'=>'Prev',  'nextPageLabel'=>'Next',  'lastPageLabel'=>'Last',]);?>

<?php    $query = Article::find()->with('cate');    $provider = new ActiveDataProvider([      'query' => $query,      'pagination' => [        'pageSize' => 3,      ],      'sort' => [        'defaultOrder' => [          //'created_at' => SORT_DESC,          //'title' => SORT_ASC,        ]      ],    ]);    return $this->render('index', [      'model' => $query,      'dataProvider' => $provider    ]);?>

<?phpuse yii/grid/GridView;echo GridView::widget([  'dataProvider' => $dataProvider,  //每列都有搜索框 控制器传过来$searchModel = new ArticleSearch();   //'filterModel' => $searchModel,  'layout'=> '{items}<div class="text-right tooltip-demo">{pager}</div>',   'pager'=>[        //'options'=>['class'=>'hidden']//关闭自带分页        'firstPageLabel'=>"First",        'prevPageLabel'=>'Prev',        'nextPageLabel'=>'Next',         'lastPageLabel'=>'Last',   ],  'columns' => [    //['class' => 'yii/grid/SerialColumn'],//序列号从1开始    // 数据提供者中所含数据所定义的简单的列    // 使用的是模型的列的数据    'id',    'username',    ['label'=>'文章类别', /*'attribute' => 'cid',产生一个a标签,点击可排序*/ 'value' => 'cate.cname' ],    ['label'=>'发布日期','format' => ['date', 'php:Y-m-d'],'value' => 'created_at'],    // 更复杂的列数据    ['label'=>'封面图','format'=>'raw','value'=>function($m){     return Html::img($m->cover,['class' => 'img-circle','width' => 30]);    }],    [      'class' => 'yii/grid/DataColumn', //由于是默认类型，可以省略       'value' => function ($data) {        return $data->name;         // 如果是数组数据则为 $data['name'] ，例如，使用 SqlDataProvider 的情形。      },    ],    [     'class' => 'yii/grid/ActionColumn',     'header' => '操作',      'template' => '{delete} {update}',//只需要展示删除和更新     /*'headerOptions' => ['width' => '80'],*/     'buttons' => [       'delete' => function($url, $model, $key){           return Html::a('<i class="glyphicon glyphicon-trash"></i> 删除',               ['artdel', 'id' => $key],                ['class' => 'btn btn-default btn-xs',               'data' => ['confirm' => '你确定要删除文章吗？',]               ]);       },      'update' => function($url, $model, $key){           return Html::a('<i class="fa fa-file"></i> 更新',              ['artedit', 'id' => $key],               ['class' => 'btn btn-default btn-xs']);       },      ],     ],  ],]);?>

<?phppublic function actionIndex(){ $searchModel = new ArticleSearch(); $dataProvider = $searchModel->search(Yii::$app->request->queryParams);  return $this->render('index', [    'searchModel' => $searchModel,    'dataProvider' => $dataProvider,  ]); }?>

<?php $form = ActiveForm::begin([  'action' => ['index'],   'method' => 'get',   'id' => 'cateadd-form',   'options' => ['class' => 'form-horizontal'],]); ?>          <?= $form->field($searchModel, 'title',[   'options'=>['class'=>''],   'inputOptions' => ['placeholder' => '文章搜索','class' => 'input-sm form-control'],])->label(false) ?>  <?= Html::submitButton('Go!', ['class' => 'btn btn-sm btn-primary']) ?><?php ActiveForm::end(); ?><?= GridView::widget([          'dataProvider' => $dataProvider,          'layout'=> '{items}<div class="text-right tooltip-demo">{pager}</div>',          'pager'=>[            //'options'=>['class'=>'hidden']//关闭自带分页            'firstPageLabel'=>"First",            'prevPageLabel'=>'Prev',            'nextPageLabel'=>'Next',            'lastPageLabel'=>'Last',          ],       //这部分和上面的分页是一样的