$(function() {
    getYmd();
    function getYmd() {
        var today = new Date();
        var year = today.getFullYear();  //年
        var month = today.getMonth() + 1;  //月需要+1
        var date = today.getDate(); //日
        var week = today.getDay(); //周
        var weekDay = ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
        var dateStr = "今天是" + year + "年" + month + "月" + date + "日" + "  " + weekDay[week];
        $("#date").empty().html(dateStr);
    }
});