Android获取当前时间与星期几

public class DataString {
    private static String mYear;
    private static String mMonth;
    private static String mDay;
    private static String mWay;

    public static String StringData(){
        final Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
        mYear = String.valueOf(c.get(Calendar.YEAR)); // 获取当前年份
        mMonth = String.valueOf(c.get(Calendar.MONTH) + );// 获取当前月份
        mDay = String.valueOf(c.get(Calendar.DAY_OF_MONTH));// 获取当前月份的日期号码
        mWay = String.valueOf(c.get(Calendar.DAY_OF_WEEK));
        if("".equals(mWay)){
            mWay ="天";
        }else if("".equals(mWay)){
            mWay ="一";
        }else if("".equals(mWay)){
            mWay ="二";
        }else if("".equals(mWay)){
            mWay ="三";
        }else if("".equals(mWay)){
            mWay ="四";
        }else if("".equals(mWay)){
            mWay ="五";
        }else if("".equals(mWay)){
            mWay ="六";
        }
        return mYear + "年" + mMonth + "月" + mDay+"日"+"/星期"+mWay;
    }

}