yii2分页扩展之跳转到具体某页之分页类

浅浅的花香味﹌ 2021-11-01 16:14 235阅读 0赞

<?php
    namespace backend\components;
    use yii\widgets\LinkPager;
    use yii\helpers\Html;
    class GoLinkPager extends LinkPager
    {
        // 是否包含跳转功能跳转 默认false
        public $go = false;
        protected function renderPageButtons()
        {
            $pageCount = $this->pagination->getPageCount();
            if ($pageCount < 2 && $this->hideOnSinglePage) {
                return '';
            }
            $buttons = [];
            $currentPage = $this->pagination->getPage();
            // first page
            $firstPageLabel = $this->firstPageLabel === true ? '1' : $this->firstPageLabel;
            if ($firstPageLabel !== false) {
                $buttons[] = $this->renderPageButton($firstPageLabel, 0, $this->firstPageCssClass, $currentPage <= 0, false);
            }
            // prev page
            if ($this->prevPageLabel !== false) {
                if (($page = $currentPage - 1) < 0) {
                    $page = 0;
                }
                $buttons[] = $this->renderPageButton($this->prevPageLabel, $page, $this->prevPageCssClass, $currentPage <= 0, false);
            }
            // internal pages
            list($beginPage, $endPage) = $this->getPageRange();
            for ($i = $beginPage; $i <= $endPage; ++$i) {
                $buttons[] = $this->renderPageButton($i + 1, $i, null, false, $i == $currentPage);
            }
            // next page
            if ($this->nextPageLabel !== false) {
                if (($page = $currentPage + 1) >= $pageCount - 1) {
                    $page = $pageCount - 1;
                }
                $buttons[] = $this->renderPageButton($this->nextPageLabel, $page, $this->nextPageCssClass, $currentPage >= $pageCount - 1, false);
            }
            // last page
            $lastPageLabel = $this->lastPageLabel === true ? $pageCount : $this->lastPageLabel;
            if ($lastPageLabel !== false) {
                $buttons[] = $this->renderPageButton($lastPageLabel, $pageCount - 1, $this->lastPageCssClass, $currentPage >= $pageCount - 1, false);
            }
            // go
            if ($this->go) {
                $goPage = $currentPage + 1;
                $goHtml = <<<goHtml
                    <div class="form" style="float: left; color: #777; margin-left: 10px; font-size: 14px;">
                        <span class="text">共 {$pageCount} 页</span>
                        <span class="text"> 到 </span>
                        <input class="input" type="number" value="{$goPage}" min="1" max="{$pageCount}" aria-label="页码输入框" style="text-align: center; height: 25px; line-height: 20px; margin-top: 5px; width: 70px;">
                        <span class="text"> 页 </span>
                        <span class="btn go-page" role="button" tabindex="0" style="border: solid 1px #ccc; padding: 0px; height: 25px; width: 50px; line-height: 25px;"> 确定 </span>
                    </div>  
    goHtml;
                $buttons[] = $goHtml;
                $pageLink = $this->pagination->createUrl(false);
                $goJs = <<<goJs
            $(document).on('click', '.go-page', function () {
                        var _this = $(this),
                            _pageInput = _this.siblings("input"),
                            goPage = _pageInput.val(),
                            pageLink = "{$pageLink}";
                            pageLink = pageLink.replace("page=1", "page="+goPage);
                        if (goPage >= 1 && goPage <= {$pageCount}) {
                            window.location.href=pageLink;
                        } else {
                            _pageInput.focus();
                        }
                    });
    goJs;
                $this->view->registerJs($goJs);
            }
            return Html::tag('ul', implode("\n", $buttons), $this->options);
        }
    }
    ?>