js 陽歷、陰歷互轉


 10 * @公歷轉農歷:calendar.solar2lunar(1987,11,01); //[you can ignore params of prefix 0]
 11 * @農歷轉公歷:calendar.lunar2solar(1987,09,10); //[you can ignore params of prefix 0]
 12 */
 13 var calendar = {
 14  
 15     /**
 16       * 農歷1900-2100的潤大小信息表
 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       * 公歷每個月份的天數普通表
 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","龍","蛇","馬","羊","猴","雞","狗","豬"]
 69       * @return Cn string 
 70       */
 71     Animals:["\u9f20","\u725b","\u864e","\u5154","\u9f99","\u86c7","\u9a6c","\u7f8a","\u7334","\u9e21","\u72d7","\u732a"],
 72  
 73     /**
 74       * 24節氣速查表
 75       * @Array Of Property 
 76       * @trans["小寒","大寒","立春","雨水","驚蟄","春分","清明","谷雨","立夏","小滿","芒種","夏至","小暑","大暑","立秋","處暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至"]
 77       * @return Cn string 
 78       */
 79     solarTerm:["\u5c0f\u5bd2","\u5927\u5bd2","\u7acb\u6625","\u96e8\u6c34","\u60ca\u86f0","\u6625\u5206","\u6e05\u660e","\u8c37\u96e8","\u7acb\u590f","\u5c0f\u6ee1","\u8292\u79cd","\u590f\u81f3","\u5c0f\u6691","\u5927\u6691","\u7acb\u79cb","\u5904\u6691","\u767d\u9732","\u79cb\u5206","\u5bd2\u9732","\u971c\u964d","\u7acb\u51ac","\u5c0f\u96ea","\u5927\u96ea","\u51ac\u81f3"],
 80  
 81     /**
 82       * 1900-2100各年的24節氣日期速查表
 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       * 數字轉中文速查表
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       * 日期轉農歷稱呼速查表
164       * @Array Of Property 
165       * @trans ['初','十','廿','卅']
166       * @return Cn string 
167       */
168     nStr2:["\u521d","\u5341","\u5eff","\u5345"],
169  
170     /**
171       * 月份轉農歷稱呼速查表
172       * @Array Of Property 
173       * @trans ['正','一','二','三','四','五','六','七','八','九','十','冬','臘']
174       * @return Cn string 
175       */
176     nStr3:["\u6b63","\u4e8c","\u4e09","\u56db","\u4e94","\u516d","\u4e03","\u516b","\u4e5d","\u5341","\u51ac","\u814a"],
177  
178     /**
179       * 返回農歷y年一整年的總天數
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       * 返回農歷y年閏月是哪個月;若y年沒有閏月 則返回0
192       * @param lunar Year
193       * @return Number (0-12)
194       * @eg:var leapMonth = calendar.leapMonth(1987) ;//leapMonth=6
195       */
196     leapMonth:function(y) { //閏字編碼 \u95f0
197         return(calendar.lunarInfo[y-1900] & 0xf);
198     },
199  
200     /**
201       * 返回農歷y年閏月的天數 若該年沒有閏月則返回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       * 返回農歷y年m月(非閏月)的總天數,計算m為閏月時的天數請使用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}//月份參數從1至12,參數錯誤返回-1
221         return( (calendar.lunarInfo[y-1900] & (0x10000>>m))? 30: 29 );
222     },
223  
224     /**
225       * 返回公歷(!)y年m月的天數
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} //若參數錯誤 返回-1
232         var ms = m-1;
233         if(ms==1) { //2月份的閏平規律測算后確認返回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      * 農歷年份轉換為干支紀年
242      * @param  lYear 農歷年的年份數
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;//如果余數為0則為最后一個天干
249         if(zhiKey == 0) zhiKey = 12;//如果余數為0則為最后一個地支
250         return calendar.Gan[ganKey-1] + calendar.Zhi[zhiKey-1];
251         
252     },
253  
254     /**
255      * 公歷月、日判斷所屬星座
256      * @param  cMonth [description]
257      * @param  cDay [description]
258      * @return Cn string
259      */
260     toAstro:function(cMonth,cDay) {
261         var s   = "\u9b54\u7faf\u6c34\u74f6\u53cc\u9c7c\u767d\u7f8a\u91d1\u725b\u53cc\u5b50\u5de8\u87f9\u72ee\u5b50\u5904\u5973\u5929\u79e4\u5929\u874e\u5c04\u624b\u9b54\u7faf";
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       * 傳入offset偏移量返回干支
268       * @param offset 相對甲子的偏移量
269       * @return Cn string
270       */
271     toGanZhi:function(offset) {
272         return calendar.Gan[offset%10] + calendar.Zhi[offset%12];
273     },
274  
275     /**
276       * 傳入公歷(!)y年獲得該年第n個節氣的公歷日期
277       * @param y公歷年(1900-2100);n二十四節氣中的第幾個節氣(1~24);從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       * 傳入農歷數字月份返回漢語通俗表示法
329       * @param lunar month
330       * @return Cn string
331       * @eg:var cnMonth = calendar.toChinaMonth(12) ;//cnMonth='臘月'
332       */
333     toChinaMonth:function(m) { // 月 => \u6708
334         if(m>12 || m<1) {return -1} //若參數錯誤 返回-1
335         var s = calendar.nStr3[m-1];
336         s+= "\u6708";//加上月字
337         return s;
338     },
339  
340     /**
341       * 傳入農歷日期數字返回漢字表示法
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 = '\u521d\u5341'; break;
351         case 20:
352             s = '\u4e8c\u5341'; break;
353             break;
354         case 30:
355             s = '\u4e09\u5341'; 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       * 年份轉生肖[!僅能大致轉換] => 精確划分生肖分界線是“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       * 傳入陽歷年月日獲得詳細的公歷、農歷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) { //參數區間1900.1.31~2100.12.31
383         //年份限定、上限
384         if(y<1900 || y>2100) {
385             return -1;// undefined轉換為數字變為NaN
386         }
387         //公歷傳參最下限
388         if(y==1900&&m==1&&d<31) {
389             return -1;
390         }
391         //未傳參  獲得當天
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參數
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         //星期幾
418         var nWeek = objDate.getDay(),
419            cWeek  = calendar.nStr1[nWeek];
420         //數字表示周幾順應天朝周一開始的慣例
421         if(nWeek==0) {
422             nWeek = 7;
423         }
424         //農歷年
425         var year   = i;
426         var leap   = calendar.leapMonth(i); //閏哪個月
427         var isLeap = false;
428         
429         //效驗閏月
430         for(i=1; i<13 && offset>0; i++) {
431             //閏月
432             if(leap>0 && i==(leap+1) && isLeap==false){ 
433                 --i;
434                 isLeap = true; temp = calendar.leapDays(year); //計算農歷閏月天數
435             }
436             else{
437                 temp = calendar.monthDays(year, i);//計算農歷普通月天數
438             }
439             //解除閏月
440             if(isLeap==true && i==(leap+1)) { isLeap = false; }
441             offset -= temp;
442         }
443         // 閏月導致數組下標重疊取反
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         //農歷月
457         var month      = i;
458         //農歷日
459         var day        = offset + 1;
460         //天干地支處理
461         var sm         = m-1;
462         var gzY        = calendar.toGanZhiYear(year);
463         
464         // 當月的兩個節氣
465         // bugfix-2017-7-24 11:03:38 use lunar Year Param `y` Not `year`
466         var firstNode  = calendar.getTerm(y,(m*2-1));//返回當月「節」為幾日開始
467         var secondNode = calendar.getTerm(y,(m*2));//返回當月「節」為幾日開始
468  
469         // 依據12節氣修正干支月
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         //傳入的日期的節氣與否
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 當月一日與 1900/1/1 相差天數
487         var dayCyclical = Date.UTC(y,sm,1,0,0,0,0)/86400000+25567+10;
488         var gzD         = calendar.toGanZhi(dayCyclical+d-1);
489         //該日期所屬的星座
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':"\u661f\u671f"+cWeek,'isTerm':isTerm,'Term':Term,'astro':astro};
493     },
494  
495     /**
496       * 傳入農歷年月日以及傳入的月份是否閏月獲得詳細的公歷、農歷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.[如果是農歷閏月第四個參數賦值true即可]
501       * @return JSON object
502       * @eg:console.log(calendar.lunar2solar(1987,9,10));
503       */
504     lunar2solar:function(y,m,d,isLeapMonth) {   //參數區間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;}//傳參要求計算該閏月公歷 但該年得出的閏月與傳參的月份並不同
510         if(y==2100&&m==12&&d>1 || y==1900&&m==1&&d<31) {return -1;}//超出了最大極限值 
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;}//參數合法性效驗
519         
520         //計算農歷的時間差
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) {//處理閏月
529                 if(leap<=i && leap>0) {
530                     offset+=calendar.leapDays(y);isAdd = true;
531                 }
532             }
533             offset+=calendar.monthDays(y,i);
534         }
535         //轉換閏月農歷 需補充該年閏月的前一個月的時差
536         if(isLeapMonth) {offset+=day;}
537         //1900年農歷正月一日的公歷時間為1900年1月30日0時0分0秒(該時間也是本農歷的最開始起始點)
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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