src/Leevel/Page/Bootstrap.php
protected function getPrevRender(): string
    {
        if ($this->page->canPrevRender()) {
            return sprintf(
                '<li><a aria-label="Previous" href="%s">'.
                    '<span aria-hidden="true">&laquo;</span></a></li>',
                $this->replace($this->page->parsePrevRenderPrev())
            );
        }

        return '<li class="disabled"><a aria-label="Previous">'.
            '<span aria-hidden="true">&laquo;</span></a></li>';
    }
protected function getPrevRender(): string
    {
        if ($this->page->canPrevRender()) {
            return sprintf(
                '<li><a aria-label="Previous" href="%s">'.
                    '<span aria-hidden="true">&laquo;</span></a></li>',
                $this->replace($this->page->parsePrevRenderPrev())
            );
        }

        return '<li class="disabled"><a aria-label="Previous">'.
            '<span aria-hidden="true">&laquo;</span></a></li>';
    }
返回渲染 prev.

@return string