kartik\grid\GridView 合计，多选，导出excel，header修改 等方法集合!

先上完整demo

具体的以后再说

<?php

//use yii\web\View;
use kartik\grid\GridView;
use yii\bootstrap\Html;
use backend\helps\ArrayHelper;
use yii\helpers\Url;
use kartik\grid\SerialColumn;
echo GridView::widget([
            'dataProvider' => $dataProvider,
            'filterModel' => $searchModel,
            'pjax'=>true, // 使用pjax
            'striped' => false,
            'hover' => true,
            'showPageSummary' => true,
            'panel' => [
                'heading'=>false,//不要了
                'before'=>'<div style="margin-top:8px">{summary}</div>',//放在before中，前面的div主要是想让它好看
            ],
            'toolbar'=> [
            ['content'=>
                Html::a('批量下一步', "javascript:void(0)", ['data-pjax'=>0, 'class'=>'btn btn-success selectColumn', 'title'=>"批量下一步"]).
                Html::a('<i class="glyphicon glyphicon-repeat"></i>', "javascript:layer.load(1);location.reload();", ['data-pjax'=>0, 'class'=>'btn btn-default', 'title'=>"重置"])
            ],
            '{export}',
            '{toggleData}',
            ],
            'exportConfig'=>[
                GridView::EXCEL=>[
                'filename' => "excel",
                'showPageSummary' => true,
            ],
            ],

    'columns' => [
        ['class' => 'kartik\grid\SerialColumn'],
        ['class' => 'kartik\grid\CheckboxColumn'], //需要配合自定义的gridview

        /**
        [
            'class' => '\kartik\grid\FormulaColumn',
            "label" =>"共收费",
            "format"=>"text",
            'value' => function ($model, $key, $index, $widget) {
              //  $p = compact('model', 'key', 'index');
                //在下面写下你的公式
                return $model->price + $model->exprice;
            },
             'pageSummary' => true
        ],

         */
        'patent_id',
        'company',

        [
            "label" => "处理部门",
            'attribute' => 'department_id',
            'value' => function ($data) {
                $arr = ArrayHelper::get_correspond_list('get_department_list', 'id', 'name');
                return @$arr[$data["patent"]->department_id];
            },
            'filter' => ArrayHelper::get_correspond_list('get_department_list', 'id', 'name')
        ],        [
            'attribute' => 'price',
            'format' => 'text',
            'value' => function ($data) {
                return $data->price;
            },
            'pageSummary' => true     //需要合计 添加该值
        ],
        [
            'attribute' => 'status',
            'format' => 'html',
            'value' => function ($data) {
                ArrayHelper::get_patent_child_status();
                return ArrayHelper::dropDown('get_patent_child_status_label', $data->status); // 如果是数组数据则为 $data['name'] ，例如，使用 SqlDataProvider 的情形。
            },
            'filter' => ArrayHelper::dropDown('get_patent_child_status')
        ],
        [
            'attribute' => 'edit_time',
            'value' => function ($data) {
                return ArrayHelper::get_date_time($data->edit_time);
            },
        ],
        [
            'class' => 'kartik\grid\ActionColumn',//必须
            "header" => "操作",
            'template' => '{update} {delete}',
            "buttons" => [

                "update" => function ($url, $model, $key) {
                    return Html::a('<span class="glyphicon glyphicon-pencil"></span>', Url::to(['patentpay/update', 'id' => $model->id]), ['title' => '修改', 'class' => 'ahref']);
                },
                "delete" => function ($url, $model, $key) {
                    return Html::a('<span class="glyphicon glyphicon-trash"></span>', Url::to(['patentpay/delete', 'id' => $model->id]), ['title' => '删除', 'class' => 'actionDoing']);
                },
            ],

        ],

    ]
]);

?>