How to generate batch operation buttons for the GridView of Yii2

When yii2 is used to generate a management list, there is a CheckboxColumns: className () which can generate a check box, but where is the "batch submit" button? I want to put the batch delete button in the & amp; lt; table & amp; gt; & amp; lt; tfooter & amp; gt; & amp; lt; tfooter & amp; gt; & amp; lt; t... use yii2 to generate a management list CheckboxColumns::className()This can generate check boxes, but where is the "batch submit" button? I want to put the batch delete button in GridViewGenerated But cannot be controlled, unless modified /vendor/The class, the GridView ( D:\website\yii2\basic\vendor\yiisoft\yii2\grid\GridView.php) Method renderTableFooter, How to generate .

# File D: \ website \ yii2 \ basic \ vendor \ yiisoft \ yii2 \ grid \ GridView. php/*** Renders the table footer. * @ return string the rendering result. */public function renderTableFooter () {$ cells = []; foreach ($ this-> columns as $ column) {/* @ var $ column Column */$ cells [] = $ column-> renderFooterCell ();} $ content = Html: tag ('tr ', implode ('', $ cells), $ this-> footerRowOptions); if ($ this-> filterPosition = self: FILTER_POS_FOOTER) {$ content. = $ this-> renderFilters ();} return"\ N ". $ content." \ n";}

In foreach, colunms cannot be controlled and cannot be generated. How does yii2 use the batch function?

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Use yii2 to generate a management listCheckboxColumns::className()This can generate check boxes, but where is the "batch submit" button? I want to put the batch delete button inGridViewGenerated

But cannot be controlled, unless modified /vendor/The class, the GridView ( D:\website\yii2\basic\vendor\yiisoft\yii2\grid\GridView.php) Method renderTableFooter, How to generate .

# File D: \ website \ yii2 \ basic \ vendor \ yiisoft \ yii2 \ grid \ GridView. php/*** Renders the table footer. * @ return string the rendering result. */public function renderTableFooter () {$ cells = []; foreach ($ this-> columns as $ column) {/* @ var $ column Column */$ cells [] = $ column-> renderFooterCell ();} $ content = Html: tag ('tr ', implode ('', $ cells), $ this-> footerRowOptions); if ($ this-> filterPosition = self: FILTER_POS_FOOTER) {$ content. = $ this-> renderFilters ();} return"\ N ". $ content." \ n";}

In foreach, colunms cannot be controlled and cannot be generated. How does yii2 use the batch function?

'Showfooter '=> true, and then 'footer' => 'batch delete '.