lunar.java

java写的一个万年历程序

        }
	
	//说明：函数get_solar_day_date(void)的输入变量：gc_solar_calendar_year和gc_solar_calendar_month
	//输出变量：start_day_of_week和temp_total_day
        void get_solar_day_date()
	{
		int temp01;/*------calculate what day is the day of the current month and year. Mon~Sun?---*/
                /*条件初始化二次，减少运算数据量. temp_total_day 是int型变量*/
		//start_day_of_week = 4;
		temp_total_day = 0;int calculate_temp = 1;
		if(gc_solar_calendar_year > 99)
		{//start_day_of_week = 6;
			calculate_temp = 100;}
		for(temp01 = calculate_temp; temp01<gc_solar_calendar_year; temp01++)
		{ if(temp01%4 == 0){start_day_of_week +=2;temp_total_day += 366; }
		else {start_day_of_week +=1;temp_total_day += 365;}}
		for(temp01 = 1;temp01<gc_solar_calendar_month;temp01++)
		{ switch(temp01)
		{case 1:case 3:case 5:case 7:case 8:case 10:case 12: 
		start_day_of_week +=3;temp_total_day +=31;break;
		case 2: if(((gc_solar_calendar_year%4) == 0)&&(gc_solar_calendar_year != 200))
		{start_day_of_week +=1; temp_total_day +=29;}
		else {start_day_of_week +=0;temp_total_day +=28;} break;
		case 4:case 6:case 9:case 11: start_day_of_week +=2; temp_total_day +=30; break;}}
		start_day_of_week %=7;
	}

	//根据输入变量gc_lunar_calendar_year和gc_lunar_calendar_month，
	//结合压缩数据表lunar_calendar_month_table计算出对应阴历月的总的天数。
	int calendar_calculate_lunar_month_total_day()
	{
		int mc_tpumenus_temp_01;
		int mc_tpumenus_temp_02;
		if(gc_lunar_calendar_month < 9)
		{
			mc_tpumenus_temp_01 = lunar_calendar_month_table[2*gc_lunar_calendar_year];
			mc_tpumenus_temp_02 = gc_lunar_calendar_month - 1;
		}
		else
		{
			mc_tpumenus_temp_01 = lunar_calendar_month_table[2*gc_lunar_calendar_year + 1];
			mc_tpumenus_temp_02 = gc_lunar_calendar_month - 9;
		}
		if(((mc_tpumenus_temp_01>> mc_tpumenus_temp_02)&0x01)==1)return 29;
		else return 30;
	}


	/*确定阳历日和阴历日的对应关系的算法：
	**对于其他任何一个阳历日和阴历日的对应关系，都可以通过以下算法求得结果。具体算法由如下函数get_lunar_day(void)实现：
	**说明：函数get_lunar_day(void)的输入变量：gc_solar_calendar_year和gc_solar_calendar_month
	**输出变量：gc_lunar_calendar_year、gc_lunar_calendar_month和gc_lunar_calendar_date
	**void get_lunar_day(void)/*计算出输入阳历年、阳历月，对应该阳历月第一天对应阴历时间，即阴历年、月、日
	*/
	void get_lunar_day()
	{
		int temp_leap_month=0;
		int temp_flag=1;
		int calculate_temp;
		int mc_tpumenus_temp_loop;
		int mc_tpumenus_temp_01;
		if(gc_solar_calendar_year > 99)
		{
			gc_lunar_calendar_year = 99;
			/*gc_lunar_calendar_month = 11;gc_lunar_calendar_date = 25;*/
			temp_total_day += gc_lunar_calendar_date;calculate_temp = 100;
		}
		else
		{
			gc_lunar_calendar_year = 0;//gc_lunar_calendar_month = 12;
			/*gc_lunar_calendar_date = 12;temp_total_day += 12;*/
			temp_total_day += gc_lunar_calendar_date;calculate_temp = 1;
		}
		if(gc_solar_calendar_year >calculate_temp||gc_solar_calendar_month>1)
		{ 
			for(mc_tpumenus_temp_loop = 1;mc_tpumenus_temp_loop>0;)
			{
        			temp_total_day -=calendar_calculate_lunar_month_total_day();
        			//temp_total_day -=30;
				//temp_leap_month = tpumenus_lunar_calendar_month_table[2*gc_lunar_calendar_year + 1];
				temp_leap_month = lunar_calendar_month_table[2*gc_lunar_calendar_year + 1];
				temp_leap_month = (temp_leap_month>>4)&0x0F;
				if(gc_lunar_calendar_month == temp_leap_month)
				{
					switch(gc_lunar_calendar_year)
					{
					case 6:case 14:case 19:case 25:case 33:case 36:case 38:case 41:case 44:case 52:case 55:case 79:case 117:case 136:case 147:case 150:case 155:case 158:case 185:case 193:
					if(temp_total_day<31){gc_lunar_calendar_date = temp_total_day;mc_tpumenus_temp_loop = 0;temp_flag = 0;}
					else temp_total_day -= 30;
					break; //current month:temp_leap_month
					default:
					if(temp_total_day < 30){gc_lunar_calendar_date = temp_total_day;mc_tpumenus_temp_loop = 0;temp_flag = 0;}
					else temp_total_day -= 29; 
					break;
					}
				} 
				if(temp_flag==1)
				{
					gc_lunar_calendar_month++;
					if(gc_lunar_calendar_month == 13){gc_lunar_calendar_month = 1;gc_lunar_calendar_year++;}
					if(temp_total_day < 61) //if temp_total_day>60,ignore compare 
					{
					mc_tpumenus_temp_01 = calendar_calculate_lunar_month_total_day();
					if(temp_total_day < (mc_tpumenus_temp_01 + 1)){mc_tpumenus_temp_loop = 0;gc_lunar_calendar_date = temp_total_day;} 
                			}
          			} 
          		} 
 		} 
	}//end of function void get_lunar_day()

	/*public static void main(String args[])//用于调试
	{Lunar lunar = new Lunar(104,6,28);lunar.get_solar_day_date();
	System.out.print("阳历"+lunar.gc_solar_calendar_month+"月份：");
	System.out.println("一号是星期"+lunar.start_day_of_week);
	lunar.get_lunar_day();
	System.out.println(lunar.calendar_calculate_lunar_month_total_day());//农历的天数
	System.out.println("阴历："+lunar.gc_lunar_calendar_month+"月"+lunar.gc_lunar_calendar_date);
	}*/
}