查看“︁MediaWiki:Gadget-RightToolbar.js”︁的源代码

mw.loader.using(['mediawiki.util'], function () {
    function updateClock() {
        var now = new Date();
        var dateString = now.getFullYear() + "年" +
                         (now.getMonth() + 1).toString().padStart(2, '0') + "月" +
                         now.getDate().toString().padStart(2, '0') + "日";

        var timeString = now.toLocaleTimeString();

        $('#current-date').text(dateString);
        $('#current-time').text(timeString);
    }

    $(function () {
        var isMobile = window.innerWidth <= 768; // 判断是否为移动端

        // 右下角按钮容器
        var $container = $('<div id="mw-custom-tools"></div>').css({
            position: 'fixed',
            bottom: '120px', // 避免与其他工具重叠
            right: '40px',
            display: 'flex',
            flexDirection: 'column',
            alignItems: 'flex-end',
            gap: '5px',
            zIndex: 9999
        });

        // 统一按钮样式
        function createButton(id, text, tooltip, clickHandler) {
            return $('<div></div>', { id: id, title: tooltip, text: text }).css({
                padding: '5px 10px',
                fontSize: '12px',
                background: '#f1f1f1',
                border: '1px solid #aaa',
                borderRadius: '4px',
                boxShadow: '0 1px 3px rgba(0,0,0,0.2)',
                color: '#333',
                cursor: 'pointer',
                textAlign: 'center',
                opacity: 0.7,
                transition: 'background 0.3s, opacity 0.3s'
            }).hover(function () {
                $(this).css({ background: '#ddd', opacity: 1 });
            }, function () {
                $(this).css({ background: '#f1f1f1', opacity: 0.7 });
            }).click(clickHandler);
        }

        // 创建回到顶部按钮
        var $topButton = createButton('mw-scroll-top', '▲', '回到顶部', function () {
            $('html, body').animate({ scrollTop: 0 }, 500);
        });

        // 创建回到底部按钮
        var $bottomButton = createButton('mw-scroll-bottom', '▼', '回到底部', function () {
            $('html, body').animate({ scrollTop: $(document).height() }, 500);
        });

        // 创建时间显示区域（仅桌面端）
        if (!isMobile) {
            var $clockDiv = $('<div id="current-clock"></div>').css({
                padding: '6px 12px',
                fontSize: '12px',
                background: '#f1f1f1',
                border: '1px solid #aaa',
                borderRadius: '4px',
                boxShadow: '0 1px 3px rgba(0,0,0,0.2)',
                color: '#333',
                textAlign: 'center',
                lineHeight: '1.4'
            }).append(
                $('<div id="current-date">加载中...</div>'),
                $('<div id="current-time"></div>')
            );
            $container.append($clockDiv);
        }

        // 组装按钮
        $container.append($topButton, $bottomButton);
        $('body').append($container);

        // 启动时钟更新（仅桌面端）
        if (!isMobile) {
            updateClock();
            setInterval(updateClock, 1000);
        }
    });
});