var utiljs = {};
utiljs.weekComputedfn = {
    dates: [],
    formatDate: function (date) {
        var year = date.getFullYear() + '/';
        var month = (date.getMonth() + 1) + '/';
        var day = date.getDate();

        return year + month + day;
    },
    addDate: function (date, n) {
        date.setDate(date.getDate() + n);
        return
 
 date;
    },
    setDate: function (date) {
        dates = [];
        var week = date.getDay() - 1;
        date = this.addDate(date, week * -1);
        currentFirstDate = new Date(date);

        for (var i = 0; i < 7; i++) {
            dates.push(this.formatDate(i == 0 ? date : this.addDate(date, 1
 
)));
        }
        return dates;
    }
}
//使用方法
utiljs.weekComputedfn.setDate(new Date())