查看“Widget:TimeSinceLastEdit”的源代码

<noinclude>仅供{{tl|TimeSinceLastEdit}}使用</noinclude><includeonly><!--{if !isset($wgTimeSinceLastEdit) || !$wgTimeSinceLastEdit}--><!--{assign var="wgTimeSinceLastEdit" value=true scope="global"}--><script>
window.RLQ = window.RLQ || [];
window.RLQ.push(function(){
    mw.loader.implement("widgetTimeSinceLastEdit",function($, jQuery){
        window.setInterval(function() {
            $('.lastEditTime').each(function() {
                var lastEditTime = Math.floor(new Date().getTime() / 1000) - +this.dataset.lastEditTime + 8 * 60 * 60; //mw返回的是UTC……
                var year = Math.floor(lastEditTime / 365 / 24 / 60 / 60); //这里js有个奇怪的bug：parseInt(1 / 365 / 24 / 60 / 60) === 3;所以我选择Math.floor
                lastEditTime %= 365 * 24 * 60 * 60;
                var month = Math.floor(lastEditTime / 30 / 24 / 60 / 60);
                lastEditTime %= 30 * 24 * 60 * 60;
                var day = Math.floor(lastEditTime / 24 / 60 / 60);
                lastEditTime %= 24 * 60 * 60;
                var hour = Math.floor(lastEditTime / 60 / 60);
                lastEditTime %= 60 * 60;
                var minute = Math.floor(lastEditTime / 60);
                var second = lastEditTime % 60;
                var html = '';
                /* jshint ignore:start *///不给我hack一下……
                switch (true) {
                    case !!year:
                        html += complement(year) + '年';
                    case !!month:
                        html += complement(month) + '月';
                    case !!day:
                        html += complement(day) + '日';
                    case !!hour:
                        html += complement(hour) + '时';
                    case !!minute:
                        html += complement(minute) + '分';
                    case !!second:
                        html += complement(second) + '秒';
                }
                /* jshint ignore:end */
                if (!html) html = '0秒'; 
                $(this).html(html);
            });
        }, 1000);
        //辅助函数
        function complement(n, l) {
    	    if(!l) l = 2;
            n += '';
            if (n.length >= l) return n;
            var b = '<span style="speak:none;visibility:hidden;color:transparent;">',
                c = '';
            while (l > (n + c).length) c += '0';
            return b + c + '</span>' + n;
        }
    });
});</script><!--{/if}--></includeonly>