粘性导航心得

        $(function () {
            $("body").scroll(function () {
                $("#nav thead>tr>th").each(function () {
                    $(this).width($(this).width());
                });
                $("#nav tbody > tr:nth(0)>td").each(function () {
                    $(this).width($(this).width());
                });
                var bodyTop = $("body").scrollTop();
                var navTop = $("#nav")[0].offsetTop;
                //console.log(bodyTop);
                //console.log(navTop);
                if ( (35 +bodyTop) >= navTop) {
                    $("#nav > thead").addClass("fixed");
                } else {
                    $("#nav > thead").removeClass("fixed");
                }
            })
        })

1.

2.获取前一周的周五方法

    var date = new Date();
    var day = date.getDay();
    var newDate = new Date();
    if (date.getDate() <= 7) {
        newDate = new Date(date.getFullYear(), date.getMonth(), 1);
        newDate.setDate(newDate.getDate() - 1);
    } else {
        day = day || 7;
        newDate = new Date(date.getFullYear(), date.getMonth(), date.getDate() + 1 - day);
        newDate.setDate(newDate.getDate() - 3);
    }
    $('#mydatepicker').val(newDate.Format('yyyy-MM-dd'));
    getOperaSavePipelineData();