jquery日历控件实现方法分享(5)

//obtain what the first day of one month is in a week
        function getFirstWeek(year, month) {
            var date = new Date(year, month - 1, 1);
            return date.getDay();
        }

//obtain the year, month, day of today
        function getToday() {
            var date = new Date();
            return today = [date.getFullYear(), date.getMonth() + 1, date.getDate(), date.getDay()];
        }

//obtain the number of days for a month
        function getmaxDay(year, month) {
            var date = new Date(year, month, 0);
            return date.getDate();
        }

//obtain the number of days for last month
        function getMaxDayByLastMonth(year, month) {
            month = month - 1 <= 0 ? 12 : month - 1;
            year = month == 12 ? year - 1 : year;
            return getmaxDay(year, month);
        }

//obtain the number of days for next month
        function getMaxDayByNextMonth(year, month) {
            month = month + 1 > 12 ? 1 : month + 1;
            year = month == 1 ? year + 1 : year;
            return getmaxDay(year, month);
        }

//obtain the days list of a certain year and month, return array
        function getDayList(year, month) {
            var _list = [],
                maxday = getmaxDay(year, month),
                month = month - 1;
            for (var i = 1; i <= maxday; i++) {
                var d = new Date(year, month, i);
                _list[i - 1] = d.getDay();
            }
            return _list;
        }
    }
})(jQuery, window);

/*
<style type="text/css">
        *{margin:0;padding:0;font-size:12px;font-family: Inconsolata, Monaco, 'Andale Mono', Courier;}
        .cld_grid{width:300px;margin:auto;}
        .cld_week_box{background-color:#3883a3;width:100%;}
        .header-day{float: left;padding: 10px 0px;width: 14.2857%;text-align: center;color: white;font-family:'微软雅黑'}
        .clearfix:after{content: ".";display: block;clear: both;visibility: hidden;line-height: 0;height: 0;}
        .day{float: left;
            width: 14.2857%;
            height: 13px;
            padding: 10px 0;
            text-align: center;
            color: #4f4f4f;
            background-color: #ebebeb;
            border-bottom: 2px solid white;
            background-image: url('http://kylestetz.github.io/CLNDR/css/./triangle.svg');
            background-size: cover;
            background-position: center;
            cursor: pointer;
        }
        .days .last-month, .days .next-month {
            opacity: 0.3;
        }
        .days .today{
            background:#fff;
        }
        .cld_year_month{  
            padding: 10px;
            background-color: #71bbd2;
            text-align: center;
            color: white;
            letter-spacing: 1px;
            font-size:14px;
        }
        .cld_year_month div{cursor:pointer;}
    </style>
*/