src/Leevel/Page/BootstrapSimple.php
protected function getPrevRender(): string
    {
        if ($this->page->canPrevRender()) {
            return sprintf(
                '<li class="%s"><a aria-label="Previous" href="%s">'.
                    '<span aria-hidden="true">%s</span></a></li>',
                'justify' === $this->option['align'] ? 'previous' : '',
                $this->replace(
                    $this->page->parsePrevRenderPrev()
                ),
                __('上一页')
            );
        }

        return sprintf(
            '<li class="disabled%s"><a aria-label="Previous">'.
                '<span aria-hidden="true">%s</span></a></li>',
            'justify' === $this->option['align'] ? ' previous' : '',
            __('上一页')
        );
    }
protected function getPrevRender(): string
    {
        if ($this->page->canPrevRender()) {
            return sprintf(
                '<li class="%s"><a aria-label="Previous" href="%s">'.
                    '<span aria-hidden="true">%s</span></a></li>',
                'justify' === $this->option['align'] ? 'previous' : '',
                $this->replace(
                    $this->page->parsePrevRenderPrev()
                ),
                __('上一页')
            );
        }

        return sprintf(
            '<li class="disabled%s"><a aria-label="Previous">'.
                '<span aria-hidden="true">%s</span></a></li>',
            'justify' === $this->option['align'] ? ' previous' : '',
            __('上一页')
        );
    }
返回渲染 prev.

@return string