C51语言“公历转农历及星期”

现在发一份C51的公历转农历及星期源代码，来源于网上下载，作者不详。经过本人对函数的优化修改，编译后代码比原来少了近300字节。

1. /****************************************************/
   
2. /* 获取当前日期的农历及星期 */
   
3. /****************************************************/
   
4. 
   
5. /*==================================================*/
   
6. /*公历年对应的农历数据,每年三字节, 格式: */
   
7. /*第一字节BIT7-4 位表示闰月月份,值为0 为无闰月, */
   
8. /*BIT3-0 对应农历第1-4 月的大小 */
   
9. /*第二字节BIT7-0 对应农历第5-12 月大小, */
   
10. /*第三字节BIT7 表示农历第13个月大小月份对应的位 */
    
11. /*为1表示本农历月大(30 天),为0 表示小(29 天) */
    
12. /*第三字节BIT6-5 表示春节的公历月份,BIT4-0 表示春节的公历日期 */
    
13. /*类型:Byte:unsigned char Word:unsigned int */
    
14. /*本代码中Tim[0]/Tim[1]/Tim[2]分别为当前年月日数据 */
    
15. /*其中Tim[0]Bit7表示世纪,1为20世纪19xx,0为21世纪20xx*/
    
16. /*Tim[10]为周数据/Tim[7]/Tim[8]/Tim[9]为农历数据,根据需要自行更换*/
    
17. /*==================================================*/
    
18. 
    
19. #include <intrins.h>
    
20. 
    
21. Byte code year_code[597]={
    
22. 0x04,0xAe,0x53,0x0A,0x57,0x48,0x55,0x26,0xBd, // 1901-1903
    
23. 0x0d,0x26,0x50,0x0d,0x95,0x44,0x46,0xAA,0xB9, // 1904-1906
    
24. 0x05,0x6A,0x4d,0x09,0xAd,0x42,0x24,0xAe,0xB6, // 1907-1909
    
25. 0x04,0xAe,0x4A,0x6A,0x4d,0xBe,0x0A,0x4d,0x52, // 1910-1912
    
26. 0x0d,0x25,0x46,0x5d,0x52,0xBA,0x0B,0x54,0x4e, // 1913-1915
    
27. 0x0d,0x6A,0x43,0x29,0x6d,0x37,0x09,0x5B,0x4B, // 1916-1918
    
28. 0x74,0x9B,0xC1,0x04,0x97,0x54,0x0A,0x4B,0x48, // 1919-1921
    
29. 0x5B,0x25,0xBC,0x06,0xA5,0x50,0x06,0xd4,0x45, // 1922-1924
    
30. 0x4A,0xdA,0xB8,0x02,0xB6,0x4d,0x09,0x57,0x42, // 1925-1927
    
31. 0x24,0x97,0xB7,0x04,0x97,0x4A,0x66,0x4B,0x3e, // 1928-1930
    
32. 0x0d,0x4A,0x51,0x0e,0xA5,0x46,0x56,0xd4,0xBA, // 1931-1933
    
33. 0x05,0xAd,0x4e,0x02,0xB6,0x44,0x39,0x37,0x38, // 1934-1936
    
34. 0x09,0x2e,0x4B,0x7C,0x96,0xBf,0x0C,0x95,0x53, // 1937-1939
    
35. 0x0d,0x4A,0x48,0x6d,0xA5,0x3B,0x0B,0x55,0x4f, // 1940-1942
    
36. 0x05,0x6A,0x45,0x4A,0xAd,0xB9,0x02,0x5d,0x4d, // 1943-1945
    
37. 0x09,0x2d,0x42,0x2C,0x95,0xB6,0x0A,0x95,0x4A, // 1946-1948
    
38. 0x7B,0x4A,0xBd,0x06,0xCA,0x51,0x0B,0x55,0x46, // 1949-1951
    
39. 0x55,0x5A,0xBB,0x04,0xdA,0x4e,0x0A,0x5B,0x43, // 1952-1954
    
40. 0x35,0x2B,0xB8,0x05,0x2B,0x4C,0x8A,0x95,0x3f, // 1955-1957
    
41. 0x0e,0x95,0x52,0x06,0xAA,0x48,0x7A,0xd5,0x3C, // 1958-1960
    
42. 0x0A,0xB5,0x4f,0x04,0xB6,0x45,0x4A,0x57,0x39, // 1961-1963
    
43. 0x0A,0x57,0x4d,0x05,0x26,0x42,0x3e,0x93,0x35, // 1964-1966
    
44. 0x0d,0x95,0x49,0x75,0xAA,0xBe,0x05,0x6A,0x51, // 1967-1969
    
45. 0x09,0x6d,0x46,0x54,0xAe,0xBB,0x04,0xAd,0x4f, // 1970-1972
    
46. 0x0A,0x4d,0x43,0x4d,0x26,0xB7,0x0d,0x25,0x4B, // 1973-1975
    
47. 0x8d,0x52,0xBf,0x0B,0x54,0x52,0x0B,0x6A,0x47, // 1976-1978
    
48. 0x69,0x6d,0x3C,0x09,0x5B,0x50,0x04,0x9B,0x45, // 1979-1981
    
49. 0x4A,0x4B,0xB9,0x0A,0x4B,0x4d,0xAB,0x25,0xC2, // 1982-1984
    
50. 0x06,0xA5,0x54,0x06,0xd4,0x49,0x6A,0xdA,0x3d, // 1985-1987
    
51. 0x0A,0xB6,0x51,0x09,0x37,0x46,0x54,0x97,0xBB, // 1988-1990
    
52. 0x04,0x97,0x4f,0x06,0x4B,0x44,0x36,0xA5,0x37, // 1991-1993
    
53. 0x0e,0xA5,0x4A,0x86,0xB2,0xBf,0x05,0xAC,0x53, // 1994-1996
    
54. 0x0A,0xB6,0x47,0x59,0x36,0xBC,0x09,0x2e,0x50, // 1997-1999
    
55. 0x0C,0x96,0x45,0x4d,0x4A,0xB8,0x0d,0x4A,0x4C, // 2000-2002
    
56. 0x0d,0xA5,0x41,0x25,0xAA,0xB6,0x05,0x6A,0x49, // 2003-2005
    
57. 0x7A,0xAd,0xBd,0x02,0x5d,0x52,0x09,0x2d,0x47, // 2006-2008
    
58. 0x5C,0x95,0xBA,0x0A,0x95,0x4e,0x0B,0x4A,0x43, // 2009-2011
    
59. 0x4B,0x55,0x37,0x0A,0xd5,0x4A,0x95,0x5A,0xBf, // 2012-2014
    
60. 0x04,0xBA,0x53,0x0A,0x5B,0x48,0x65,0x2B,0xBC, // 2015-2017
    
61. 0x05,0x2B,0x50,0x0A,0x93,0x45,0x47,0x4A,0xB9, // 2018-2020
    
62. 0x06,0xAA,0x4C,0x0A,0xd5,0x41,0x24,0xdA,0xB6, // 2021-2023
    
63. 0x04,0xB6,0x4A,0x69,0x57,0x3d,0x0A,0x4e,0x51, // 2024-2026
    
64. 0x0d,0x26,0x46,0x5e,0x93,0x3A,0x0d,0x53,0x4d, // 2027-2029
    
65. 0x05,0xAA,0x43,0x36,0xB5,0x37,0x09,0x6d,0x4B, // 2030-2032
    
66. 0xB4,0xAe,0xBf,0x04,0xAd,0x53,0x0A,0x4d,0x48, // 2033-2035
    
67. 0x6d,0x25,0xBC,0x0d,0x25,0x4f,0x0d,0x52,0x44, // 2036-2038
    
68. 0x5d,0xAA,0x38,0x0B,0x5A,0x4C,0x05,0x6d,0x41, // 2039-2041
    
69. 0x24,0xAd,0xB6,0x04,0x9B,0x4A,0x7A,0x4B,0xBe, // 2042-2044
    
70. 0x0A,0x4B,0x51,0x0A,0xA5,0x46,0x5B,0x52,0xBA, // 2045-2047
    
71. 0x06,0xd2,0x4e,0x0A,0xdA,0x42,0x35,0x5B,0x37, // 2048-2050
    
72. 0x09,0x37,0x4B,0x84,0x97,0xC1,0x04,0x97,0x53, // 2051-2053
    
73. 0x06,0x4B,0x48,0x66,0xA5,0x3C,0x0e,0xA5,0x4f, // 2054-2056
    
74. 0x06,0xB2,0x44,0x4A,0xB6,0x38,0x0A,0xAe,0x4C, // 2057-2059
    
75. 0x09,0x2e,0x42,0x3C,0x97,0x35,0x0C,0x96,0x49, // 2060-2062
    
76. 0x7d,0x4A,0xBd,0x0d,0x4A,0x51,0x0d,0xA5,0x45, // 2063-2065
    
77. 0x55,0xAA,0xBA,0x05,0x6A,0x4e,0x0A,0x6d,0x43, // 2066-2068
    
78. 0x45,0x2e,0xB7,0x05,0x2d,0x4B,0x8A,0x95,0xBf, // 2069-2071
    
79. 0x0A,0x95,0x53,0x0B,0x4A,0x47,0x6B,0x55,0x3B, // 2072-2074
    
80. 0x0A,0xd5,0x4f,0x05,0x5A,0x45,0x4A,0x5d,0x38, // 2075-2077
    
81. 0x0A,0x5B,0x4C,0x05,0x2B,0x42,0x3A,0x93,0xB6, // 2078-2080
    
82. 0x06,0x93,0x49,0x77,0x29,0xBd,0x06,0xAA,0x51, // 2081-2083
    
83. 0x0A,0xd5,0x46,0x54,0xdA,0xBA,0x04,0xB6,0x4e, // 2084-2086
    
84. 0x0A,0x57,0x43,0x45,0x27,0x38,0x0d,0x26,0x4A, // 2087-2089
    
85. 0x8e,0x93,0x3e,0x0d,0x52,0x52,0x0d,0xAA,0x47, // 2090-2092
    
86. 0x66,0xB5,0x3B,0x05,0x6d,0x4f,0x04,0xAe,0x45, // 2093-2095
    
87. 0x4A,0x4e,0xB9,0x0A,0x4d,0x4C,0x0d,0x15,0x41, // 2096-2098
    
88. 0x2d,0x92,0xB5, // 2099
    
89. };
    
90. //月份天数数据表
    
91. Byte code day_code1[9]={0x0,0x1f,0x3b,0x5a,0x78,0x97,0xb5,0xd4,0xf3};
    
92. Word code day_code2[3]={0x111,0x130,0x14e};
    
93. //月修正数据表
    
94. Byte code week_code[12]={0,3,3,6,1,4,6,2,5,0,3,5};
    
95. 
    
96. void Conver_week(void)
    
97. /*=======获取当前日期的星期====================================*/
    
98. {
    
99. Byte temp1,temp2,year,month,day;
    
100. 
     
101. year =Tim[0]&0x7f; //加载年月日数据,如为BCD则需转为十进制
     
102. month=Tim[1];
     
103. day =Tim[2];
     
104. 
     
105. if(Tim[0]>>7==0){year+=0x64;} //如果为21世纪,年份数加100
     
106. temp1=year/0x4; //所过闰年数只算1900年之后的
     
107. temp2=(year+temp1)%0x7; //为节省资源,先进行一次取余,避免数大于0xff
     
108. temp2=temp2+day+week_code[month-1];
     
109. if(year%0x4==0&&month<3)temp2-=1; //如果是闰年但不到3月则减一天
     
110. Tim[10]=temp2%0x7; //将星期数据写到指定星期变量Tim[9]
     
111. }
     
112. 
     
113. bit get_moon_day(Byte month_p,Word code_addr)
     
114. /*读取数据表中农历月的大月或小月,如果该月大返回1,小返回0*/
     
115. {
     
116. Byte temp,temp1;
     
117. temp1=(month_p+3)/8;
     
118. temp=0x80>>((month_p+3)%8);
     
119. temp=year_code[code_addr+temp1]&temp;
     
120. if(temp==0){return(0);}else{return(1);}
     
121. }
     
122. 
     
123. void Conversion(void)
     
124. /*==转换当前农历信息====================================*/
     
125. {
     
126. Byte year,month,day;
     
127. Byte temp1,temp2,temp3,month_p;
     
128. Word temp4,code_addr;
     
129. bit flag2,flag_y;
     
130. 
     
131. year =Tim[0]&0x7f; //加载年月日数据,如为BCD则需转为十进制
     
132. month=Tim[1];
     
133. day =Tim[2];
     
134. 
     
135. code_addr=year-1; //定位数据表地址
     
136. if(Tim[0]>>7==0)code_addr+=0x64;
     
137. code_addr*=3;
     
138. 
     
139. temp1=year_code[code_addr+2]&0x60; //取当年春节所在的公历月份
     
140. temp1=_cror_(temp1,5);
     
141. 
     
142. temp2=year_code[code_addr+2]&0x1f; //取当年春节所在的公历日
     
143. 
     
144. temp3=temp2-1; //计算当年春节离当年元旦的天数,春节只会在公历1月或2月
     
145. if(temp1!=1)temp3+=0x1f;
     
146. if(month<10){temp4=day_code1[month-1]+day;}
     
147. else{temp4=day_code2[month-10]+day;}
     
148. if((month<2)||(year%0x04!=0))temp4-=1; //如果公历月小于2月或者该年的2月非闰月,天数减1
     
149. 
     
150. if (temp4>=temp3) //判断公历日在春节前还是春节后
     
151. {
     
152. //公历日在春节后或就是春节当日使用下面代码进行运算
     
153. temp4 -=temp3;
     
154. month = 1;
     
155. flag_y = 0;
     
156. month_p= 1; //month_p为月份指向,公历日在春节前或就是春节当日month_p指向首月
     
157. 
     
158. flag2=get_moon_day(month_p,code_addr); //检查该农历月为大小还是小月,大月返回1,小月返回0
     
159. if(flag2==0){temp1=29;}else{temp1=30;} //小月29天、大月30天
     
160. 
     
161. temp2=year_code[code_addr]&0xf0;
     
162. temp2=_cror_(temp2,4); //从数据表中取该年的闰月月份,如为0则该年无闰月
     
163. while(temp4>=temp1)
     
164. {
     
165. temp4-=temp1;
     
166. month_p+=1;
     
167. if(month==temp2)
     
168. {
     
169. flag_y=~flag_y;
     
170. if(flag_y==0)month+=1;
     
171. }
     
172. else month+=1;
     
173. flag2=get_moon_day(month_p,code_addr);
     
174. if(flag2==0)temp1=0x1d;
     
175. else temp1=0x1e;
     
176. }
     
177. day=temp4+1;
     
178. }
     
179. else
     
180. {
     
181. //公历日在春节前使用下面代码进行运算
     
182. temp3-=temp4;
     
183. if(year==0){year=0xe3;}else{year-=1;}
     
184. code_addr-=3;
     
185. month = 0xc;
     
186. temp2 = year_code[code_addr]&0xf0;
     
187. temp2 = _cror_(temp2,4);
     
188. flag_y = 0;
     
189. if(temp2==0){month_p=12;}else{month_p=13;} //如果当年有闰月,一年有十三个月,月指向13,无闰月指向12
     
190. 
     
191. flag2=get_moon_day(month_p,code_addr);
     
192. if(flag2==0){temp1=29;}else{temp1=30;}
     
193. 
     
194. while(temp3>temp1)
     
195. {
     
196. temp3-=temp1;
     
197. month_p-=1;
     
198. if(flag_y==0)month-=1;
     
199. if(month==temp2)flag_y=~flag_y;
     
200. flag2=get_moon_day(month_p,code_addr);
     
201. if(flag2==0){temp1=0x1d;}else{temp1=0x1e;}
     
202. }
     
203. day=temp1-temp3+1;
     
204. }
     
205. Tim[7] = year|(Tim[0]&0x80);; //将农历信息写进指定变量
     
206. Tim[8] = month;
     
207. Tim[9] = day;
     
208. Conver_week(); //最后进行星期转换(根据需要自行选用)
     
209. }
     
210. 
     

复制代码

再次优化，编译后代码又少了近50字节。同时修改一个Bug：原先计算天数在闰年并且月份大于2月（>2）时天数加1。反向条件后应该是非闰年或者月份小于等于2月（<=2）。结果少了等于（只<2）。这样造成闰年时且当前月为2月时农历会比较实际的多出一天，在此修正。

1. /****************************************************/
   
2. /* 获取当前日期的农历及星期 */
   
3. /****************************************************/
   
4. 
   
5. /*==================================================*/
   
6. /*公历年对应的农历数据,每年三字节, 格式: */
   
7. /*第一字节BIT7-4 位表示闰月月份,值为0 为无闰月, */
   
8. /*BIT3-0 对应农历第1-4 月的大小 */
   
9. /*第二字节BIT7-0 对应农历第5-12 月大小, */
   
10. /*第三字节BIT7 表示农历第13个月大小月份对应的位 */
    
11. /*为1表示本农历月大(30 天),为0 表示小(29 天) */
    
12. /*第三字节BIT6-5 表示春节的公历月份,BIT4-0 表示春节的公历日期 */
    
13. /*类型:Byte:unsigned char Word:unsigned int */
    
14. /*本代码中Tim[0]/Tim[1]/Tim[2]分别为当前年月日数据 */
    
15. /*其中Tim[0]Bit7表示世纪,1为20世纪19xx,0为21世纪20xx*/
    
16. /*Tim[10]为周数据/Tim[7]/Tim[8]/Tim[9]为农历数据,根据需要自行更换*/
    
17. /*==================================================*/
    
18. 
    
19. Byte code year_code[597]={
    
20. 0x04,0xAe,0x53,0x0A,0x57,0x48,0x55,0x26,0xBd, // 1901-1903 0
    
21. 0x0d,0x26,0x50,0x0d,0x95,0x44,0x46,0xAA,0xB9, // 1904-1906 9
    
22. 0x05,0x6A,0x4d,0x09,0xAd,0x42,0x24,0xAe,0xB6, // 1907-1909 18
    
23. 0x04,0xAe,0x4A,0x6A,0x4d,0xBe,0x0A,0x4d,0x52, // 1910-1912 27
    
24. 0x0d,0x25,0x46,0x5d,0x52,0xBA,0x0B,0x54,0x4e, // 1913-1915 36
    
25. 0x0d,0x6A,0x43,0x29,0x6d,0x37,0x09,0x5B,0x4B, // 1916-1918 45
    
26. 0x74,0x9B,0xC1,0x04,0x97,0x54,0x0A,0x4B,0x48, // 1919-1921 54
    
27. 0x5B,0x25,0xBC,0x06,0xA5,0x50,0x06,0xd4,0x45, // 1922-1924 63
    
28. 0x4A,0xdA,0xB8,0x02,0xB6,0x4d,0x09,0x57,0x42, // 1925-1927 72
    
29. 0x24,0x97,0xB7,0x04,0x97,0x4A,0x66,0x4B,0x3e, // 1928-1930 81
    
30. 0x0d,0x4A,0x51,0x0e,0xA5,0x46,0x56,0xd4,0xBA, // 1931-1933 90
    
31. 0x05,0xAd,0x4e,0x02,0xB6,0x44,0x39,0x37,0x38, // 1934-1936 99
    
32. 0x09,0x2e,0x4B,0x7C,0x96,0xBf,0x0C,0x95,0x53, // 1937-1939 108
    
33. 0x0d,0x4A,0x48,0x6d,0xA5,0x3B,0x0B,0x55,0x4f, // 1940-1942 117
    
34. 0x05,0x6A,0x45,0x4A,0xAd,0xB9,0x02,0x5d,0x4d, // 1943-1945 126
    
35. 0x09,0x2d,0x42,0x2C,0x95,0xB6,0x0A,0x95,0x4A, // 1946-1948 135
    
36. 0x7B,0x4A,0xBd,0x06,0xCA,0x51,0x0B,0x55,0x46, // 1949-1951 144
    
37. 0x55,0x5A,0xBB,0x04,0xdA,0x4e,0x0A,0x5B,0x43, // 1952-1954 153
    
38. 0x35,0x2B,0xB8,0x05,0x2B,0x4C,0x8A,0x95,0x3f, // 1955-1957 162
    
39. 0x0e,0x95,0x52,0x06,0xAA,0x48,0x7A,0xd5,0x3C, // 1958-1960 171
    
40. 0x0A,0xB5,0x4f,0x04,0xB6,0x45,0x4A,0x57,0x39, // 1961-1963 180
    
41. 0x0A,0x57,0x4d,0x05,0x26,0x42,0x3e,0x93,0x35, // 1964-1966 189
    
42. 0x0d,0x95,0x49,0x75,0xAA,0xBe,0x05,0x6A,0x51, // 1967-1969 195
    
43. 0x09,0x6d,0x46,0x54,0xAe,0xBB,0x04,0xAd,0x4f, // 1970-1972 207
    
44. 0x0A,0x4d,0x43,0x4d,0x26,0xB7,0x0d,0x25,0x4B, // 1973-1975 216
    
45. 0x8d,0x52,0xBf,0x0B,0x54,0x52,0x0B,0x6A,0x47, // 1976-1978 225
    
46. 0x69,0x6d,0x3C,0x09,0x5B,0x50,0x04,0x9B,0x45, // 1979-1981 234
    
47. 0x4A,0x4B,0xB9,0x0A,0x4B,0x4d,0xAB,0x25,0xC2, // 1982-1984 243
    
48. 0x06,0xA5,0x54,0x06,0xd4,0x49,0x6A,0xdA,0x3d, // 1985-1987 252
    
49. 0x0A,0xB6,0x51,0x09,0x37,0x46,0x54,0x97,0xBB, // 1988-1990 261
    
50. 0x04,0x97,0x4f,0x06,0x4B,0x44,0x36,0xA5,0x37, // 1991-1993 270
    
51. 0x0e,0xA5,0x4A,0x86,0xB2,0xBf,0x05,0xAC,0x53, // 1994-1996 279
    
52. 0x0A,0xB6,0x47,0x59,0x36,0xBC,0x09,0x2e,0x50, // 1997-1999 288
    
53. 0x0C,0x96,0x45,0x4d,0x4A,0xB8,0x0d,0x4A,0x4C, // 2000-2002 297
    
54. 0x0d,0xA5,0x41,0x25,0xAA,0xB6,0x05,0x6A,0x49, // 2003-2005 306
    
55. 0x7A,0xAd,0xBd,0x02,0x5d,0x52,0x09,0x2d,0x47, // 2006-2008 315
    
56. 0x5C,0x95,0xBA,0x0A,0x95,0x4e,0x0B,0x4A,0x43, // 2009-2011 324
    
57. 0x4B,0x55,0x37,0x0A,0xd5,0x4A,0x95,0x5A,0xBf, // 2012-2014 333
    
58. 0x04,0xBA,0x53,0x0A,0x5B,0x48,0x65,0x2B,0xBC, // 2015-2017 342
    
59. 0x05,0x2B,0x50,0x0A,0x93,0x45,0x47,0x4A,0xB9, // 2018-2020 351
    
60. 0x06,0xAA,0x4C,0x0A,0xd5,0x41,0x24,0xdA,0xB6, // 2021-2023 360
    
61. 0x04,0xB6,0x4A,0x69,0x57,0x3d,0x0A,0x4e,0x51, // 2024-2026 369
    
62. 0x0d,0x26,0x46,0x5e,0x93,0x3A,0x0d,0x53,0x4d, // 2027-2029 378
    
63. 0x05,0xAA,0x43,0x36,0xB5,0x37,0x09,0x6d,0x4B, // 2030-2032 387
    
64. 0xB4,0xAe,0xBf,0x04,0xAd,0x53,0x0A,0x4d,0x48, // 2033-2035 396
    
65. 0x6d,0x25,0xBC,0x0d,0x25,0x4f,0x0d,0x52,0x44, // 2036-2038 405
    
66. 0x5d,0xAA,0x38,0x0B,0x5A,0x4C,0x05,0x6d,0x41, // 2039-2041 414
    
67. 0x24,0xAd,0xB6,0x04,0x9B,0x4A,0x7A,0x4B,0xBe, // 2042-2044 423
    
68. 0x0A,0x4B,0x51,0x0A,0xA5,0x46,0x5B,0x52,0xBA, // 2045-2047 432
    
69. 0x06,0xd2,0x4e,0x0A,0xdA,0x42,0x35,0x5B,0x37, // 2048-2050 441
    
70. 0x09,0x37,0x4B,0x84,0x97,0xC1,0x04,0x97,0x53, // 2051-2053 450
    
71. 0x06,0x4B,0x48,0x66,0xA5,0x3C,0x0e,0xA5,0x4f, // 2054-2056 459
    
72. 0x06,0xB2,0x44,0x4A,0xB6,0x38,0x0A,0xAe,0x4C, // 2057-2059 468
    
73. 0x09,0x2e,0x42,0x3C,0x97,0x35,0x0C,0x96,0x49, // 2060-2062 477
    
74. 0x7d,0x4A,0xBd,0x0d,0x4A,0x51,0x0d,0xA5,0x45, // 2063-2065 486
    
75. 0x55,0xAA,0xBA,0x05,0x6A,0x4e,0x0A,0x6d,0x43, // 2066-2068 495
    
76. 0x45,0x2e,0xB7,0x05,0x2d,0x4B,0x8A,0x95,0xBf, // 2069-2071 504
    
77. 0x0A,0x95,0x53,0x0B,0x4A,0x47,0x6B,0x55,0x3B, // 2072-2074 513
    
78. 0x0A,0xd5,0x4f,0x05,0x5A,0x45,0x4A,0x5d,0x38, // 2075-2077 522
    
79. 0x0A,0x5B,0x4C,0x05,0x2B,0x42,0x3A,0x93,0xB6, // 2078-2080 531
    
80. 0x06,0x93,0x49,0x77,0x29,0xBd,0x06,0xAA,0x51, // 2081-2083 540
    
81. 0x0A,0xd5,0x46,0x54,0xdA,0xBA,0x04,0xB6,0x4e, // 2084-2086 549
    
82. 0x0A,0x57,0x43,0x45,0x27,0x38,0x0d,0x26,0x4A, // 2087-2089 558
    
83. 0x8e,0x93,0x3e,0x0d,0x52,0x52,0x0d,0xAA,0x47, // 2090-2092 567
    
84. 0x66,0xB5,0x3B,0x05,0x6d,0x4f,0x04,0xAe,0x45, // 2093-2095 576
    
85. 0x4A,0x4e,0xB9,0x0A,0x4d,0x4C,0x0d,0x15,0x41, // 2096-2098 585
    
86. 0x2d,0x92,0xB5, // 2099 594
    
87. };
    
88. //月份天数数据表
    
89. Byte code day_code1[9]={0x0,0x1f,0x3b,0x5a,0x78,0x97,0xb5,0xd4,0xf3};
    
90. Word code day_code2[3]={0x111,0x130,0x14e};
    
91. //月修正数据表
    
92. Byte code week_code[12]={0,3,3,6,1,4,6,2,5,0,3,5};
    
93. 
    
94. void Conver_week(void)
    
95. /*=======获取当前日期的星期====================================*/
    
96. {
    
97. Byte temp1,temp2,year,month,day;
    
98. 
    
99. year =Tim[0]&0x7f; //加载年月日数据,如为BCD则需转为十进制
    
100. month=Tim[1];
     
101. day =Tim[2];
     
102. 
     
103. if(Tim[0]>>7==0){year+=0x64;} //如果为21世纪,年份数加100
     
104. temp1=year/0x4; //所过闰年数只算1900年之后的
     
105. temp2=(year+temp1)%0x7; //为节省资源,先进行一次取余,避免数大于0xff
     
106. temp2=temp2+day+week_code[month-1];
     
107. if(year%0x4==0&&month<3)temp2-=1; //如果是闰年但不到3月则减一天
     
108. Tim[10]=temp2%0x7; //将星期数据写到指定星期变量Tim[9]
     
109. }
     
110. 
     
111. Byte get_moon_day(Byte month_p,Word code_addr)
     
112. /*读取数据表中农历月的大月或小月,如果该月大返回1,小返回0*/
     
113. {
     
114. Byte temp,temp5;
     
115. 
     
116. temp=0x80>>((month_p+3)%8);
     
117. temp5=(month_p+3)/8;
     
118. temp=year_code[code_addr+temp5]&temp;
     
119. if(temp==0){return(29);}else{return(30);}
     
120. }
     
121. 
     
122. void Conversion(void)
     
123. /*==转换当前农历信息====================================*/
     
124. { Byte year,month,day;
     
125. Byte temp1,temp2,temp3,month_p;
     
126. Word temp4,code_addr;
     
127. bit flag_y;
     
128. 
     
129. year =Tim[0]&0x7f; //加载年月日数据,如为BCD则需转为十进制
     
130. month=Tim[1];
     
131. day =Tim[2];
     
132. 
     
133. code_addr=year-1; //定位数据表地址
     
134. if(Tim[0]>>7==0)code_addr+=100;
     
135. code_addr*=3;
     
136. 
     
137. temp1=(year_code[code_addr+2]&0x60)>>5; //取当年春节所在的公历月份
     
138. temp2=year_code[code_addr+2]&0x1f; //取当年春节所在的公历日
     
139. temp3=temp2-1; //计算当年春节离当年元旦的天数,春节只会在公历1月或2月
     
140. 
     
141. if(temp1!=1)temp3+=31; //如果不在1月则天数加上31天(1月)
     
142. if(month<10){temp4=day_code1[month-1]+day;}
     
143. else{temp4=day_code2[month-10]+day;}
     
144. if((month<=2)||(year%0x04!=0))temp4-=1; //如果公历月小于等于2月或者该年的2月非闰月,天数减1
     
145. 
     
146. temp2=(year_code[code_addr]&0xf0)>>4; //从数据表中取该年的闰月月份,如为0则该年无闰月
     
147. 
     
148. if (temp4>=temp3) //判断公历日在春节前还是春节后
     
149. {
     
150. //公历日在春节后或就是春节当日使用下面代码进行运算
     
151. temp4 -=temp3;
     
152. month = 1;
     
153. flag_y = 0;
     
154. month_p= 1; //month_p为月份指向,公历日在春节前或就是春节当日month_p指向首月
     
155. temp1=get_moon_day(month_p,code_addr); //检查该农历月为大小还是小月,大月返回1,小月返回0
     
156. while(temp4>=temp1)
     
157. {
     
158. temp4-=temp1;
     
159. month_p+=1;
     
160. if(month==temp2)
     
161. {
     
162. flag_y=~flag_y;
     
163. if(flag_y==0)month+=1;
     
164. }else{month+=1;}
     
165. temp1=get_moon_day(month_p,code_addr);
     
166. }
     
167. day=temp4+1;
     
168. }
     
169. else
     
170. {
     
171. //公历日在春节前使用下面代码进行运算
     
172. temp3-=temp4;
     
173. if(year==0){year=0xe3;}else{year-=1;}
     
174. code_addr-=3;
     
175. month = 12;
     
176. flag_y = 0;
     
177. if(temp2==0){month_p=12;}else{month_p=13;} //如果当年有闰月,一年有十三个月,月指向13,无闰月指向12
     
178. temp1=get_moon_day(month_p,code_addr);
     
179. while(temp3>temp1)
     
180. {
     
181. temp3-=temp1;
     
182. month_p-=1;
     
183. if(flag_y==0)month-=1;
     
184. if(month==temp2)flag_y=~flag_y;
     
185. temp1=get_moon_day(month_p,code_addr);
     
186. }
     
187. day=temp1-temp3+1;
     
188. }
     
189. Tim[7] = year|(Tim[0]&0x80);; //将农历信息写进指定变量
     
190. Tim[8] = month;
     
191. Tim[9] = day;
     
192. Conver_week(); //最后进行星期转换(根据需要自行选用)
     
193. }
     
194. 
     
195. UID6380 帖子10 精华0 积分349 阅读权限50 在线时间0 小时 注册时间2005-9-23 最后登录2009-8-1 查看详细资料
     
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