判断当前日期是否在周范围之内

//strs 周集合，例如  一、二、三、四、五、六    

public static boolean isWeek(String strs){
        Calendar calendar = Calendar.getInstance();
        int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
        String week = "";
        Boolean is = false;
        switch (dayOfWeek) {
            case Calendar.MONDAY:
                week =  "一";
                break;
            case Calendar.TUESDAY:
                week =  "二";
                break;
            case Calendar.WEDNESDAY:
                week =  "三";
                break;
            case Calendar.THURSDAY:
                week =  "四";
                break;
            case Calendar.FRIDAY:
                week =  "五";
                break;
            case Calendar.SATURDAY:
                week =  "六";
                break;
            case Calendar.SUNDAY:
                week =  "日";
                break;
        }
        List<String> list =Arrays.asList(strs.split(","));
        for (int i = 0;i < list.size();i++){
            if(list.get(i).equals(week)){
                is = true;
            }
        }
       return is;
    }