js 阳历阴历互转

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 10 * @公历转农历:calendar.solar2lunar(1987,11,01); //[you can ignore params of prefix 0]
 11 * @农历转公历:calendar.lunar2solar(1987,09,10); //[you can ignore params of prefix 0]
 12 */
 13 var calendar = {
 14  
 15     /**
 16       * 农历1900-2100的润大小信息表
 17       * @Array Of Property
 18       * @return Hex 
 19       */
 20     lunarInfo:[0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,//1900-1909
 21             0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,//1910-1919
 22             0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,//1920-1929
 23             0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,//1930-1939
 24             0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,//1940-1949
 25             0x06ca0,0x0b550,0x15355,0x04da0,0x0a5b0,0x14573,0x052b0,0x0a9a8,0x0e950,0x06aa0,//1950-1959
 26             0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,//1960-1969
 27             0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b6a0,0x195a6,//1970-1979
 28             0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,//1980-1989
 29             0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,//1990-1999
 30             0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,//2000-2009
 31             0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,//2010-2019
 32             0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,//2020-2029
 33             0x05aa0,0x076a3,0x096d0,0x04afb,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,//2030-2039
 34             0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0,//2040-2049
 35             /**Add By JJonline@JJonline.Cn**/
 36             0x14b63,0x09370,0x049f8,0x04970,0x064b0,0x168a6,0x0ea50, 0x06b20,0x1a6c4,0x0aae0,//2050-2059
 37             0x0a2e0,0x0d2e3,0x0c960,0x0d557,0x0d4a0,0x0da50,0x05d55,0x056a0,0x0a6d0,0x055d4,//2060-2069
 38             0x052d0,0x0a9b8,0x0a950,0x0b4a0,0x0b6a6,0x0ad50,0x055a0,0x0aba4,0x0a5b0,0x052b0,//2070-2079
 39             0x0b273,0x06930,0x07337,0x06aa0,0x0ad50,0x14b55,0x04b60,0x0a570,0x054e4,0x0d160,//2080-2089
 40             0x0e968,0x0d520,0x0daa0,0x16aa6,0x056d0,0x04ae0,0x0a9d4,0x0a2d0,0x0d150,0x0f252,//2090-2099
 41             0x0d520],//2100
 42  
 43     /**
 44       * 公历每个月份的天数普通表
 45       * @Array Of Property
 46       * @return Number 
 47       */
 48     solarMonth:[31,28,31,30,31,30,31,31,30,31,30,31],
 49  
 50     /**
 51       * 天干地支之天干速查表
 52       * @Array Of Property trans["甲","乙","丙","丁","戊","己","庚","辛","壬","癸"]
 53       * @return Cn string 
 54       */
 55     Gan:["u7532","u4e59","u4e19","u4e01","u620a","u5df1","u5e9a","u8f9b","u58ec","u7678"],
 56  
 57     /**
 58       * 天干地支之地支速查表
 59       * @Array Of Property 
 60       * @trans["子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"]
 61       * @return Cn string 
 62       */
 63     Zhi:["u5b50","u4e11","u5bc5","u536f","u8fb0","u5df3","u5348","u672a","u7533","u9149","u620c","u4ea5"],
 64  
 65     /**
 66       * 天干地支之地支速查表<=>生肖
 67       * @Array Of Property 
 68       * @trans["鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"]
 69       * @return Cn string 
 70       */
 71     Animals:["u9f20","u725b","u864e","u5154","u9f99","u86c7","u9a6c","u7f8a","u7334","u9e21","u72d7","u732a"],
 72  
 73     /**
 74       * 24节气速查表
 75       * @Array Of Property 
 76       * @trans["小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨","立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至"]
 77       * @return Cn string 
 78       */
 79     solarTerm:["u5c0fu5bd2","u5927u5bd2","u7acbu6625","u96e8u6c34","u60cau86f0","u6625u5206","u6e05u660e","u8c37u96e8","u7acbu590f","u5c0fu6ee1","u8292u79cd","u590fu81f3","u5c0fu6691","u5927u6691","u7acbu79cb","u5904u6691","u767du9732","u79cbu5206","u5bd2u9732","u971cu964d","u7acbu51ac","u5c0fu96ea","u5927u96ea","u51acu81f3"],
 80  
 81     /**
 82       * 1900-2100各年的24节气日期速查表
 83       * @Array Of Property 
 84       * @return 0x string For splice
 85       */
 86     sTermInfo:[‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,‘97bcf97c3598082c95f8c965cc920f‘,
 87               ‘97bd0b06bdb0722c965ce1cfcc920f‘,‘b027097bd097c36b0b6fc9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,
 88               ‘97bcf97c359801ec95f8c965cc920f‘,‘97bd0b06bdb0722c965ce1cfcc920f‘,‘b027097bd097c36b0b6fc9274c91aa‘,
 89               ‘97b6b97bd19801ec9210c965cc920e‘,‘97bcf97c359801ec95f8c965cc920f‘,‘97bd0b06bdb0722c965ce1cfcc920f‘,
 90               ‘b027097bd097c36b0b6fc9274c91aa‘,‘9778397bd19801ec9210c965cc920e‘,‘97b6b97bd19801ec95f8c965cc920f‘,
 91               ‘97bd09801d98082c95f8e1cfcc920f‘,‘97bd097bd097c36b0b6fc9210c8dc2‘,‘9778397bd197c36c9210c9274c91aa‘,
 92               ‘97b6b97bd19801ec95f8c965cc920e‘,‘97bd09801d98082c95f8e1cfcc920f‘,‘97bd097bd097c36b0b6fc9210c8dc2‘,
 93               ‘9778397bd097c36c9210c9274c91aa‘,‘97b6b97bd19801ec95f8c965cc920e‘,‘97bcf97c3598082c95f8e1cfcc920f‘,
 94               ‘97bd097bd097c36b0b6fc9210c8dc2‘,‘9778397bd097c36c9210c9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,
 95               ‘97bcf97c3598082c95f8c965cc920f‘,‘97bd097bd097c35b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,
 96               ‘97b6b97bd19801ec9210c965cc920e‘,‘97bcf97c3598082c95f8c965cc920f‘,‘97bd097bd097c35b0b6fc920fb0722‘,
 97               ‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,‘97bcf97c359801ec95f8c965cc920f‘,
 98               ‘97bd097bd097c35b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,
 99               ‘97bcf97c359801ec95f8c965cc920f‘,‘97bd097bd097c35b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,
100               ‘97b6b97bd19801ec9210c965cc920e‘,‘97bcf97c359801ec95f8c965cc920f‘,‘97bd097bd07f595b0b6fc920fb0722‘,
101               ‘9778397bd097c36b0b6fc9210c8dc2‘,‘9778397bd19801ec9210c9274c920e‘,‘97b6b97bd19801ec95f8c965cc920f‘,
102               ‘97bd07f5307f595b0b0bc920fb0722‘,‘7f0e397bd097c36b0b6fc9210c8dc2‘,‘9778397bd097c36c9210c9274c920e‘,
103               ‘97b6b97bd19801ec95f8c965cc920f‘,‘97bd07f5307f595b0b0bc920fb0722‘,‘7f0e397bd097c36b0b6fc9210c8dc2‘,
104               ‘9778397bd097c36c9210c9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,‘97bd07f1487f595b0b0bc920fb0722‘,
105               ‘7f0e397bd097c36b0b6fc9210c8dc2‘,‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,
106               ‘97bcf7f1487f595b0b0bb0b6fb0722‘,‘7f0e397bd097c35b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,
107               ‘97b6b97bd19801ec9210c965cc920e‘,‘97bcf7f1487f595b0b0bb0b6fb0722‘,‘7f0e397bd097c35b0b6fc920fb0722‘,
108               ‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,‘97bcf7f1487f531b0b0bb0b6fb0722‘,
109               ‘7f0e397bd097c35b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b97bd19801ec9210c965cc920e‘,
110               ‘97bcf7f1487f531b0b0bb0b6fb0722‘,‘7f0e397bd07f595b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,
111               ‘97b6b97bd19801ec9210c9274c920e‘,‘97bcf7f0e47f531b0b0bb0b6fb0722‘,‘7f0e397bd07f595b0b0bc920fb0722‘,
112               ‘9778397bd097c36b0b6fc9210c91aa‘,‘97b6b97bd197c36c9210c9274c920e‘,‘97bcf7f0e47f531b0b0bb0b6fb0722‘,
113               ‘7f0e397bd07f595b0b0bc920fb0722‘,‘9778397bd097c36b0b6fc9210c8dc2‘,‘9778397bd097c36c9210c9274c920e‘,
114               ‘97b6b7f0e47f531b0723b0b6fb0722‘,‘7f0e37f5307f595b0b0bc920fb0722‘,‘7f0e397bd097c36b0b6fc9210c8dc2‘,
115               ‘9778397bd097c36b0b70c9274c91aa‘,‘97b6b7f0e47f531b0723b0b6fb0721‘,‘7f0e37f1487f595b0b0bb0b6fb0722‘,
116               ‘7f0e397bd097c35b0b6fc9210c8dc2‘,‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b7f0e47f531b0723b0b6fb0721‘,
117               ‘7f0e27f1487f595b0b0bb0b6fb0722‘,‘7f0e397bd097c35b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,
118               ‘97b6b7f0e47f531b0723b0b6fb0721‘,‘7f0e27f1487f531b0b0bb0b6fb0722‘,‘7f0e397bd097c35b0b6fc920fb0722‘,
119               ‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b7f0e47f531b0723b0b6fb0721‘,‘7f0e27f1487f531b0b0bb0b6fb0722‘,
120               ‘7f0e397bd097c35b0b6fc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,‘97b6b7f0e47f531b0723b0b6fb0721‘,
121               ‘7f0e27f1487f531b0b0bb0b6fb0722‘,‘7f0e397bd07f595b0b0bc920fb0722‘,‘9778397bd097c36b0b6fc9274c91aa‘,
122               ‘97b6b7f0e47f531b0723b0787b0721‘,‘7f0e27f0e47f531b0b0bb0b6fb0722‘,‘7f0e397bd07f595b0b0bc920fb0722‘,
123               ‘9778397bd097c36b0b6fc9210c91aa‘,‘97b6b7f0e47f149b0723b0787b0721‘,‘7f0e27f0e47f531b0723b0b6fb0722‘,
124               ‘7f0e397bd07f595b0b0bc920fb0722‘,‘9778397bd097c36b0b6fc9210c8dc2‘,‘977837f0e37f149b0723b0787b0721‘,
125               ‘7f07e7f0e47f531b0723b0b6fb0722‘,‘7f0e37f5307f595b0b0bc920fb0722‘,‘7f0e397bd097c35b0b6fc9210c8dc2‘,
126               ‘977837f0e37f14998082b0787b0721‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,‘7f0e37f1487f595b0b0bb0b6fb0722‘,
127               ‘7f0e397bd097c35b0b6fc9210c8dc2‘,‘977837f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,
128               ‘7f0e27f1487f531b0b0bb0b6fb0722‘,‘7f0e397bd097c35b0b6fc920fb0722‘,‘977837f0e37f14998082b0787b06bd‘,
129               ‘7f07e7f0e47f531b0723b0b6fb0721‘,‘7f0e27f1487f531b0b0bb0b6fb0722‘,‘7f0e397bd097c35b0b6fc920fb0722‘,
130               ‘977837f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,‘7f0e27f1487f531b0b0bb0b6fb0722‘,
131               ‘7f0e397bd07f595b0b0bc920fb0722‘,‘977837f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,
132               ‘7f0e27f1487f531b0b0bb0b6fb0722‘,‘7f0e397bd07f595b0b0bc920fb0722‘,‘977837f0e37f14998082b0787b06bd‘,
133               ‘7f07e7f0e47f149b0723b0787b0721‘,‘7f0e27f0e47f531b0b0bb0b6fb0722‘,‘7f0e397bd07f595b0b0bc920fb0722‘,
134               ‘977837f0e37f14998082b0723b06bd‘,‘7f07e7f0e37f149b0723b0787b0721‘,‘7f0e27f0e47f531b0723b0b6fb0722‘,
135               ‘7f0e397bd07f595b0b0bc920fb0722‘,‘977837f0e37f14898082b0723b02d5‘,‘7ec967f0e37f14998082b0787b0721‘,
136               ‘7f07e7f0e47f531b0723b0b6fb0722‘,‘7f0e37f1487f595b0b0bb0b6fb0722‘,‘7f0e37f0e37f14898082b0723b02d5‘,
137               ‘7ec967f0e37f14998082b0787b0721‘,‘7f07e7f0e47f531b0723b0b6fb0722‘,‘7f0e37f1487f531b0b0bb0b6fb0722‘,
138               ‘7f0e37f0e37f14898082b0723b02d5‘,‘7ec967f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,
139               ‘7f0e37f1487f531b0b0bb0b6fb0722‘,‘7f0e37f0e37f14898082b072297c35‘,‘7ec967f0e37f14998082b0787b06bd‘,
140               ‘7f07e7f0e47f531b0723b0b6fb0721‘,‘7f0e27f1487f531b0b0bb0b6fb0722‘,‘7f0e37f0e37f14898082b072297c35‘,
141               ‘7ec967f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,‘7f0e27f1487f531b0b0bb0b6fb0722‘,
142               ‘7f0e37f0e366aa89801eb072297c35‘,‘7ec967f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f149b0723b0787b0721‘,
143               ‘7f0e27f1487f531b0b0bb0b6fb0722‘,‘7f0e37f0e366aa89801eb072297c35‘,‘7ec967f0e37f14998082b0723b06bd‘,
144               ‘7f07e7f0e47f149b0723b0787b0721‘,‘7f0e27f0e47f531b0723b0b6fb0722‘,‘7f0e37f0e366aa89801eb072297c35‘,
145               ‘7ec967f0e37f14998082b0723b06bd‘,‘7f07e7f0e37f14998083b0787b0721‘,‘7f0e27f0e47f531b0723b0b6fb0722‘,
146               ‘7f0e37f0e366aa89801eb072297c35‘,‘7ec967f0e37f14898082b0723b02d5‘,‘7f07e7f0e37f14998082b0787b0721‘,
147               ‘7f07e7f0e47f531b0723b0b6fb0722‘,‘7f0e36665b66aa89801e9808297c35‘,‘665f67f0e37f14898082b0723b02d5‘,
148               ‘7ec967f0e37f14998082b0787b0721‘,‘7f07e7f0e47f531b0723b0b6fb0722‘,‘7f0e36665b66a449801e9808297c35‘,
149               ‘665f67f0e37f14898082b0723b02d5‘,‘7ec967f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,
150               ‘7f0e36665b66a449801e9808297c35‘,‘665f67f0e37f14898082b072297c35‘,‘7ec967f0e37f14998082b0787b06bd‘,
151               ‘7f07e7f0e47f531b0723b0b6fb0721‘,‘7f0e26665b66a449801e9808297c35‘,‘665f67f0e37f1489801eb072297c35‘,
152               ‘7ec967f0e37f14998082b0787b06bd‘,‘7f07e7f0e47f531b0723b0b6fb0721‘,‘7f0e27f1487f531b0b0bb0b6fb0722‘],
153  
154     /**
155       * 数字转中文速查表
156       * @Array Of Property 
157       * @trans [‘日‘,‘一‘,‘二‘,‘三‘,‘四‘,‘五‘,‘六‘,‘七‘,‘八‘,‘九‘,‘十‘]
158       * @return Cn string 
159       */
160     nStr1:["u65e5","u4e00","u4e8c","u4e09","u56db","u4e94","u516d","u4e03","u516b","u4e5d","u5341"],
161  
162     /**
163       * 日期转农历称呼速查表
164       * @Array Of Property 
165       * @trans [‘初‘,‘十‘,‘廿‘,‘卅‘]
166       * @return Cn string 
167       */
168     nStr2:["u521d","u5341","u5eff","u5345"],
169  
170     /**
171       * 月份转农历称呼速查表
172       * @Array Of Property 
173       * @trans [‘正‘,‘一‘,‘二‘,‘三‘,‘四‘,‘五‘,‘六‘,‘七‘,‘八‘,‘九‘,‘十‘,‘冬‘,‘腊‘]
174       * @return Cn string 
175       */
176     nStr3:["u6b63","u4e8c","u4e09","u56db","u4e94","u516d","u4e03","u516b","u4e5d","u5341","u51ac","u814a"],
177  
178     /**
179       * 返回农历y年一整年的总天数
180       * @param lunar Year
181       * @return Number
182       * @evar .lYearDays(1987) ;//count=387
183       */
184     lYearDays:function(y) {
185         var i, sum = 348;
186         for(i=0x8000; i>0x8; i>>=1) { sum += (calendar.lunarInfo[y-1900] & i)? 1: 0; }
187         return(sum+calendar.leapDays(y));
188     },
189  
190     /**
191       * 返回农历y年闰月是哪个月;若y年没有闰月 则返回0
192       * @param lunar Year
193       * @return Number (0-12)
194       * @eg:var leapMonth = calendar.leapMonth(1987) ;//leapMonth=6
195       */
196     leapMonth:function(y) { //闰字编码 u95f0
197         return(calendar.lunarInfo[y-1900] & 0xf);
198     },
199  
200     /**
201       * 返回农历y年闰月的天数 若该年没有闰月则返回0
202       * @param lunar Year
203       * @return Number (0、29、30)
204       * @eg:var leapMonthDay = calendar.leapDays(1987) ;//leapMonthDay=29
205       */
206     leapDays:function(y) {
207         if(calendar.leapMonth(y))  { 
208             return((calendar.lunarInfo[y-1900] & 0x10000)? 30: 29); 
209         }
210         return(0);
211     },
212  
213     /**
214       * 返回农历y年m月(非闰月)的总天数,计算m为闰月时的天数请使用leapDays方法
215       * @param lunar Year
216       * @return Number (-1、29、30)
217       * @eg:var MonthDay = calendar.monthDays(1987,9) ;//MonthDay=29
218       */
219     monthDays:function(y,m) {
220         if(m>12 || m<1) {return -1}//月份参数从1至12,参数错误返回-1
221         return( (calendar.lunarInfo[y-1900] & (0x10000>>m))? 30: 29 );
222     },
223  
224     /**
225       * 返回公历(!)y年m月的天数
226       * @param solar Year
227       * @return Number (-1、28、29、30、31)
228       * @eg:var solarMonthDay = calendar.leapDays(1987) ;//solarMonthDay=30
229       */
230     solarDays:function(y,m) {
231         if(m>12 || m<1) {return -1} //若参数错误 返回-1
232         var ms = m-1;
233         if(ms==1) { //2月份的闰平规律测算后确认返回28或29
234             return(((y%4 == 0) && (y%100 != 0) || (y%400 == 0))? 29: 28);
235         }else {
236             return(calendar.solarMonth[ms]);
237         }
238     },
239  
240     /**
241      * 农历年份转换为干支纪年
242      * @param  lYear 农历年的年份数
243      * @return Cn string
244      */
245     toGanZhiYear:function(lYear) {
246         var ganKey = (lYear - 3) % 10;
247         var zhiKey = (lYear - 3) % 12;
248         if(ganKey == 0) ganKey = 10;//如果余数为0则为最后一个天干
249         if(zhiKey == 0) zhiKey = 12;//如果余数为0则为最后一个地支
250         return calendar.Gan[ganKey-1] + calendar.Zhi[zhiKey-1];
251         
252     },
253  
254     /**
255      * 公历月、日判断所属星座
256      * @param  cMonth [description]
257      * @param  cDay [description]
258      * @return Cn string
259      */
260     toAstro:function(cMonth,cDay) {
261         var s   = "u9b54u7fafu6c34u74f6u53ccu9c7cu767du7f8au91d1u725bu53ccu5b50u5de8u87f9u72eeu5b50u5904u5973u5929u79e4u5929u874eu5c04u624bu9b54u7faf";
262         var arr = [20,19,21,21,21,22,23,23,23,23,22,22];
263         return s.substr(cMonth*2 - (cDay < arr[cMonth-1] ? 2 : 0),2) + "u5ea7";//
264     },
265  
266     /**
267       * 传入offset偏移量返回干支
268       * @param offset 相对甲子的偏移量
269       * @return Cn string
270       */
271     toGanZhi:function(offset) {
272         return calendar.Gan[offset%10] + calendar.Zhi[offset%12];
273     },
274  
275     /**
276       * 传入公历(!)y年获得该年第n个节气的公历日期
277       * @param y公历年(1900-2100);n二十四节气中的第几个节气(1~24);从n=1(小寒)算起 
278       * @return day Number
279       * @eg:var _24 = calendar.getTerm(1987,3) ;//_24=4;意即1987年2月4日立春
280       */
281     getTerm:function(y,n) {
282         if(y<1900 || y>2100) {return -1;}
283         if(n<1 || n>24) {return -1;}
284         var _table = calendar.sTermInfo[y-1900];
285         var _info = [
286             parseInt(‘0x‘+_table.substr(0,5)).toString() ,
287             parseInt(‘0x‘+_table.substr(5,5)).toString(),
288             parseInt(‘0x‘+_table.substr(10,5)).toString(),
289             parseInt(‘0x‘+_table.substr(15,5)).toString(),
290             parseInt(‘0x‘+_table.substr(20,5)).toString(),
291             parseInt(‘0x‘+_table.substr(25,5)).toString()
292         ];
293         var _calday = [
294             _info[0].substr(0,1),
295             _info[0].substr(1,2),
296             _info[0].substr(3,1),
297             _info[0].substr(4,2),
298             
299             _info[1].substr(0,1),
300             _info[1].substr(1,2),
301             _info[1].substr(3,1),
302             _info[1].substr(4,2),
303             
304             _info[2].substr(0,1),
305             _info[2].substr(1,2),
306             _info[2].substr(3,1),
307             _info[2].substr(4,2),
308             
309             _info[3].substr(0,1),
310             _info[3].substr(1,2),
311             _info[3].substr(3,1),
312             _info[3].substr(4,2),
313             
314             _info[4].substr(0,1),
315             _info[4].substr(1,2),
316             _info[4].substr(3,1),
317             _info[4].substr(4,2),
318             
319             _info[5].substr(0,1),
320             _info[5].substr(1,2),
321             _info[5].substr(3,1),
322             _info[5].substr(4,2),
323         ];
324         return parseInt(_calday[n-1]);
325     },
326  
327     /**
328       * 传入农历数字月份返回汉语通俗表示法
329       * @param lunar month
330       * @return Cn string
331       * @eg:var cnMonth = calendar.toChinaMonth(12) ;//cnMonth=‘腊月‘
332       */
333     toChinaMonth:function(m) { // 月 => u6708
334         if(m>12 || m<1) {return -1} //若参数错误 返回-1
335         var s = calendar.nStr3[m-1];
336         s+= "u6708";//加上月字
337         return s;
338     },
339  
340     /**
341       * 传入农历日期数字返回汉字表示法
342       * @param lunar day
343       * @return Cn string
344       * @eg:var cnDay = calendar.toChinaDay(21) ;//cnMonth=‘廿一‘
345       */
346     toChinaDay:function(d){ //日 => u65e5
347         var s;
348         switch (d) {
349             case 10:
350             s = ‘u521du5341‘; break;
351         case 20:
352             s = ‘u4e8cu5341‘; break;
353             break;
354         case 30:
355             s = ‘u4e09u5341‘; break;
356             break;
357         default :
358             s = calendar.nStr2[Math.floor(d/10)];
359             s += calendar.nStr1[d%10];
360         }
361         return(s);
362     },
363  
364     /**
365       * 年份转生肖[!仅能大致转换] => 精确划分生肖分界线是“立春”
366       * @param y year
367       * @return Cn string
368       * @eg:var animal = calendar.getAnimal(1987) ;//animal=‘兔‘
369       */
370     getAnimal: function(y) {
371         return calendar.Animals[(y - 4) % 12]
372     },
373  
374     /**
375       * 传入阳历年月日获得详细的公历、农历object信息 <=>JSON
376       * @param y  solar year
377       * @param m  solar month
378       * @param d  solar day
379       * @return JSON object
380       * @eg:console.log(calendar.solar2lunar(1987,11,01));
381       */
382     solar2lunar:function (y,m,d) { //参数区间1900.1.31~2100.12.31
383         //年份限定、上限
384         if(y<1900 || y>2100) {
385             return -1;// undefined转换为数字变为NaN
386         }
387         //公历传参最下限
388         if(y==1900&&m==1&&d<31) {
389             return -1;
390         }
391         //未传参  获得当天
392         if(!y) {
393             var objDate = new Date();
394         }else {
395             var objDate = new Date(y,parseInt(m)-1,d)
396         }
397         var i, leap=0, temp=0;
398         //修正ymd参数
399         var y = objDate.getFullYear(),
400             m = objDate.getMonth()+1,
401             d = objDate.getDate();
402         var offset = (Date.UTC(objDate.getFullYear(),objDate.getMonth(),objDate.getDate()) - Date.UTC(1900,0,31))/86400000;
403         for(i=1900; i<2101 && offset>0; i++) {
404             temp    = calendar.lYearDays(i);
405             offset -= temp;
406         }
407         if(offset<0) {
408             offset+=temp; i--;
409         }
410         
411         //是否今天
412         var isTodayObj = new Date(),
413             isToday    = false;
414         if(isTodayObj.getFullYear()==y && isTodayObj.getMonth()+1==m && isTodayObj.getDate()==d) {
415             isToday = true;
416         }
417         //星期几
418         var nWeek = objDate.getDay(),
419            cWeek  = calendar.nStr1[nWeek];
420         //数字表示周几顺应天朝周一开始的惯例
421         if(nWeek==0) {
422             nWeek = 7;
423         }
424         //农历年
425         var year   = i;
426         var leap   = calendar.leapMonth(i); //闰哪个月
427         var isLeap = false;
428         
429         //效验闰月
430         for(i=1; i<13 && offset>0; i++) {
431             //闰月
432             if(leap>0 && i==(leap+1) && isLeap==false){ 
433                 --i;
434                 isLeap = true; temp = calendar.leapDays(year); //计算农历闰月天数
435             }
436             else{
437                 temp = calendar.monthDays(year, i);//计算农历普通月天数
438             }
439             //解除闰月
440             if(isLeap==true && i==(leap+1)) { isLeap = false; }
441             offset -= temp;
442         }
443         // 闰月导致数组下标重叠取反
444         if(offset==0 && leap>0 && i==leap+1)
445         {
446             if(isLeap){
447                 isLeap = false;
448             }else{ 
449                 isLeap = true; --i;
450             }
451         }
452         if(offset<0)
453         {
454             offset += temp; --i;
455         }
456         //农历月
457         var month      = i;
458         //农历日
459         var day        = offset + 1;
460         //天干地支处理
461         var sm         = m-1;
462         var gzY        = calendar.toGanZhiYear(year);
463         
464         // 当月的两个节气
465         // bugfix-2017-7-24 11:03:38 use lunar Year Param `y` Not `year`
466         var firstNode  = calendar.getTerm(y,(m*2-1));//返回当月「节」为几日开始
467         var secondNode = calendar.getTerm(y,(m*2));//返回当月「节」为几日开始
468  
469         // 依据12节气修正干支月
470         var gzM        = calendar.toGanZhi((y-1900)*12+m+11);
471         if(d>=firstNode) {
472             gzM        = calendar.toGanZhi((y-1900)*12+m+12);
473         }
474         
475         //传入的日期的节气与否
476         var isTerm = false;
477         var Term   = null;
478         if(firstNode==d) {
479             isTerm  = true;
480             Term    = calendar.solarTerm[m*2-2];
481         }
482         if(secondNode==d) {
483             isTerm  = true;
484             Term    = calendar.solarTerm[m*2-1];
485         }
486         //日柱 当月一日与 1900/1/1 相差天数
487         var dayCyclical = Date.UTC(y,sm,1,0,0,0,0)/86400000+25567+10;
488         var gzD         = calendar.toGanZhi(dayCyclical+d-1);
489         //该日期所属的星座
490         var astro       = calendar.toAstro(m,d);
491         
492         return {‘lYear‘:year,‘lMonth‘:month,‘lDay‘:day,‘Animal‘:calendar.getAnimal(year),‘IMonthCn‘:(isLeap?"u95f0":‘‘)+calendar.toChinaMonth(month),‘IDayCn‘:calendar.toChinaDay(day),‘cYear‘:y,‘cMonth‘:m,‘cDay‘:d,‘gzYear‘:gzY,‘gzMonth‘:gzM,‘gzDay‘:gzD,‘isToday‘:isToday,‘isLeap‘:isLeap,‘nWeek‘:nWeek,‘ncWeek‘:"u661fu671f"+cWeek,‘isTerm‘:isTerm,‘Term‘:Term,‘astro‘:astro};
493     },
494  
495     /**
496       * 传入农历年月日以及传入的月份是否闰月获得详细的公历、农历object信息 <=>JSON
497       * @param y  lunar year
498       * @param m  lunar month
499       * @param d  lunar day
500       * @param isLeapMonth  lunar month is leap or not.[如果是农历闰月第四个参数赋值true即可]
501       * @return JSON object
502       * @eg:console.log(calendar.lunar2solar(1987,9,10));
503       */
504     lunar2solar:function(y,m,d,isLeapMonth) {   //参数区间1900.1.31~2100.12.1
505         var isLeapMonth = !!isLeapMonth;
506         var leapOffset  = 0;
507         var leapMonth   = calendar.leapMonth(y);
508         var leapDay     = calendar.leapDays(y);
509         if(isLeapMonth&&(leapMonth!=m)) {return -1;}//传参要求计算该闰月公历 但该年得出的闰月与传参的月份并不同
510         if(y==2100&&m==12&&d>1 || y==1900&&m==1&&d<31) {return -1;}//超出了最大极限值 
511         var day  = calendar.monthDays(y,m); 
512         var _day = day;
513         //bugFix 2016-9-25 
514         //if month is leap, _day use leapDays method 
515         if(isLeapMonth) {
516             _day = calendar.leapDays(y,m);
517         }
518         if(y < 1900 || y > 2100 || d > _day) {return -1;}//参数合法性效验
519         
520         //计算农历的时间差
521         var offset = 0;
522         for(var i=1900;i<y;i++) {
523             offset+=calendar.lYearDays(i);
524         }
525         var leap = 0,isAdd= false;
526         for(var i=1;i<m;i++) {
527             leap = calendar.leapMonth(y);
528             if(!isAdd) {//处理闰月
529                 if(leap<=i && leap>0) {
530                     offset+=calendar.leapDays(y);isAdd = true;
531                 }
532             }
533             offset+=calendar.monthDays(y,i);
534         }
535         //转换闰月农历 需补充该年闰月的前一个月的时差
536         if(isLeapMonth) {offset+=day;}
537         //1900年农历正月一日的公历时间为1900年1月30日0时0分0秒(该时间也是本农历的最开始起始点)
538         var stmap   =   Date.UTC(1900,1,30,0,0,0);
539         var calObj  =   new Date((offset+d-31)*86400000+stmap);
540         var cY      =   calObj.getUTCFullYear();
541         var cM      =   calObj.getUTCMonth()+1;
542         var cD      =   calObj.getUTCDate();
543  
544         return calendar.solar2lunar(cY,cM,cD);
545     }
546 };
547 export default calendar;

 

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