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JS实现带阴历的日历功能详解
本文实例讲述了JS实现带阴历的日历功能。分享给大家供大家参考，具体如下：
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工作中要写一个带阴历的日历，自己调研了怎么做日历。
一.表格行数问题
既然要显示日期表格的话，首先得知道这个表格有多少行多少列，列数是已经确定的，从星期天（日历上第1列是星期天）到星期六一共7列。要解决行数问题之前，还得先知道这个月的第1天是星期几，因为每个月的1号并不都是从日历上的星期天开始排的，可能1号是星期五，星期六也说不定，所以1号的左边部分，就得用空表格代替了。那么用多少个空表格代替呢，这里就得用到getDay()方法了，该方法返回数组[0-6]中的一个数字，0代表星期天，1代表星期一，2代表星期二，以此类推。所以如果一个月的1号是星期五的话，那么刚好左边需要5个空表格代替。然后，假如一个月有31天，最后求出的表格行数就是：
var tr_nums = Math.ceil((5 + 31)/7);
当然，并不是每个月都是31天，所以我们得创建一个包含12个月份的数组，每个元素代表每个月份所包含的天数。但是2月份比较特殊，闰年的2月份有29天，平年的2月份只有28天。所以，在创建数组之前，得自己创建一个判断闰年的函数:
//如果当前年份能被4整除但是不能被100整除或者能被400整除，即可确定为闰年，返回1，否则返回0
function isLeap(year) {
return year % 4 == 0 ? (year % 100 != 0 ? 1 : (year % 400 == 0 ? 1 : 0)) : 0;
}
然后我们创建一个月份数组:
var days_per_month = new Array(31, 28 + isLeap(year), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
这样就能保证无论是平年还是闰年都会取出正确的天数，下面的代码用于获取今天的相关信息:
var today = new Date(), //获取当前日期 y = today.getFullYear(), //获取日期中的年份 m = today.getMonth(), //获取日期中的月份(需要注意的是：月份是从0开始计算，获取的值比正常月份的值少1) d = today.getDate(), //获取日期中的日(方便在建立日期表格时高亮显示当天) firstday = new Date(y, m, 1), //获取当月的第一天 dayOfWeek = firstday.getDay(), //判断第一天是星期几(返回[0-6]中的一个，0代表星期天，1代表星期一，以此类推) days_per_month = new Array(31, 28 + isLeap(y), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31), //创建月份数
所以最后就可以获取当月所需表格的行数:
var str_nums = Math.ceil((dayOfWeek + days_per_month[m]) / 7); //确定日期表格所需的行数
完整的js代码：
二、阴历的问题
从小就没搞懂了阴历和阳历中的换算问题，幸运的是从其他牛人那里找到了阴阳历的转换js代码，
/**
* @1900-2100区间内的公历、农历互转
* @charset UTF-8
* @Author Jea杨(JJonline@JJonline.Cn)
* @Time 2014-7-21
* @Time 2016-8-13 Fixed 2033hex、Attribution Annals
* @Time 2016-9-25 Fixed lunar LeapMonth Param Bug
* @Version 1.0.2
* @公历转农历：calendar.solar2lunar(1987,11,01); //[you can ignore params of prefix 0]
* @农历转公历：calendar.lunar2solar(1987,09,10); //[you can ignore params of prefix 0]
*/
var calendar = {
/**
* 农历1900-2100的润大小信息表
* @Array Of Property
* @return Hex
*/
lunarInfo:[0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,//1900-1909
0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,//1910-1919
0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,//1920-1929
0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,//1930-1939
0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,//1940-1949
0x06ca0,0x0b550,0x15355,0x04da0,0x0a5b0,0x14573,0x052b0,0x0a9a8,0x0e950,0x06aa0,//1950-1959
0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,//1960-1969
0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b6a0,0x195a6,//1970-1979
0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,//1980-1989
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,//1990-1999
0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,//2000-2009
0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,//2010-2019
0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,//2020-2029
0x05aa0,0x076a3,0x096d0,0x04afb,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,//2030-2039
0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0,//2040-2049
/**Add By JJonline@JJonline.Cn**/
0x14b63,0x09370,0x049f8,0x04970,0x064b0,0x168a6,0x0ea50, 0x06b20,0x1a6c4,0x0aae0,//2050-2059
0x0a2e0,0x0d2e3,0x0c960,0x0d557,0x0d4a0,0x0da50,0x05d55,0x056a0,0x0a6d0,0x055d4,//2060-2069
0x052d0,0x0a9b8,0x0a950,0x0b4a0,0x0b6a6,0x0ad50,0x055a0,0x0aba4,0x0a5b0,0x052b0,//2070-2079
0x0b273,0x06930,0x07337,0x06aa0,0x0ad50,0x14b55,0x04b60,0x0a570,0x054e4,0x0d160,//2080-2089
0x0e968,0x0d520,0x0daa0,0x16aa6,0x056d0,0x04ae0,0x0a9d4,0x0a2d0,0x0d150,0x0f252,//2090-2099
0x0d520],//2100
/**
* 公历每个月份的天数普通表
* @Array Of Property
* @return Number
*/
solarMonth:[31,28,31,30,31,30,31,31,30,31,30,31],
/**
* 天干地支之天干速查表
* @Array Of Property trans["甲","乙","丙","丁","戊","己","庚","辛","壬","癸"]
* @return Cn string
*/
Gan:["\u7532","\u4e59","\u4e19","\u4e01","\u620a","\u5df1","\u5e9a","\u8f9b","\u58ec","\u7678"],
/**
* 天干地支之地支速查表
* @Array Of Property
* @trans["子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"]
* @return Cn string
*/
Zhi:["\u5b50","\u4e11","\u5bc5","\u536f","\u8fb0","\u5df3","\u5348","\u672a","\u7533","\u9149","\u620c","\u4ea5"],
/**
* 天干地支之地支速查表<=>生肖
* @Array Of Property
* @trans["鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"]
* @return Cn string
*/
Animals:["\u9f20","\u725b","\u864e","\u5154","\u9f99","\u86c7","\u9a6c","\u7f8a","\u7334","\u9e21","\u72d7","\u732a"],
/**
* 24节气速查表
* @Array Of Property
* @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"]
* @return Cn string
*/
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"],
/**
* 1900-2100各年的24节气日期速查表
* @Array Of Property
* @return 0x string For splice
*/
sTermInfo:['9778397bd097c36b0b6fc9274c91aa','97b6b97bd19801ec9210c965cc920e','97bcf97c3598082c95f8c965cc920f',
'97bd0b06bdb0722c965ce1cfcc920f','b027097bd097c36b0b6fc9274c91aa','97b6b97bd19801ec9210c965cc920e',
'97bcf97c359801ec95f8c965cc920f','97bd0b06bdb0722c965ce1cfcc920f','b027097bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e','97bcf97c359801ec95f8c965cc920f','97bd0b06bdb0722c965ce1cfcc920f',
'b027097bd097c36b0b6fc9274c91aa','9778397bd19801ec9210c965cc920e','97b6b97bd19801ec95f8c965cc920f',
'97bd09801d98082c95f8e1cfcc920f','97bd097bd097c36b0b6fc9210c8dc2','9778397bd197c36c9210c9274c91aa',
'97b6b97bd19801ec95f8c965cc920e','97bd09801d98082c95f8e1cfcc920f','97bd097bd097c36b0b6fc9210c8dc2',
'9778397bd097c36c9210c9274c91aa','97b6b97bd19801ec95f8c965cc920e','97bcf97c3598082c95f8e1cfcc920f',
'97bd097bd097c36b0b6fc9210c8dc2','9778397bd097c36c9210c9274c91aa','97b6b97bd19801ec9210c965cc920e',
'97bcf97c3598082c95f8c965cc920f','97bd097bd097c35b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e','97bcf97c3598082c95f8c965cc920f','97bd097bd097c35b0b6fc920fb0722',
'9778397bd097c36b0b6fc9274c91aa','97b6b97bd19801ec9210c965cc920e','97bcf97c359801ec95f8c965cc920f',
'97bd097bd097c35b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa','97b6b97bd19801ec9210c965cc920e',
'97bcf97c359801ec95f8c965cc920f','97bd097bd097c35b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e','97bcf97c359801ec95f8c965cc920f','97bd097bd07f595b0b6fc920fb0722',
'9778397bd097c36b0b6fc9210c8dc2','9778397bd19801ec9210c9274c920e','97b6b97bd19801ec95f8c965cc920f',
'97bd07f5307f595b0b0bc920fb0722','7f0e397bd097c36b0b6fc9210c8dc2','9778397bd097c36c9210c9274c920e',
'97b6b97bd19801ec95f8c965cc920f','97bd07f5307f595b0b0bc920fb0722','7f0e397bd097c36b0b6fc9210c8dc2',
'9778397bd097c36c9210c9274c91aa','97b6b97bd19801ec9210c965cc920e','97bd07f1487f595b0b0bc920fb0722',
'7f0e397bd097c36b0b6fc9210c8dc2','9778397bd097c36b0b6fc9274c91aa','97b6b97bd19801ec9210c965cc920e',
'97bcf7f1487f595b0b0bb0b6fb0722','7f0e397bd097c35b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e','97bcf7f1487f595b0b0bb0b6fb0722','7f0e397bd097c35b0b6fc920fb0722',
'9778397bd097c36b0b6fc9274c91aa','97b6b97bd19801ec9210c965cc920e','97bcf7f1487f531b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa','97b6b97bd19801ec9210c965cc920e',
'97bcf7f1487f531b0b0bb0b6fb0722','7f0e397bd07f595b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c9274c920e','97bcf7f0e47f531b0b0bb0b6fb0722','7f0e397bd07f595b0b0bc920fb0722',
'9778397bd097c36b0b6fc9210c91aa','97b6b97bd197c36c9210c9274c920e','97bcf7f0e47f531b0b0bb0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722','9778397bd097c36b0b6fc9210c8dc2','9778397bd097c36c9210c9274c920e',
'97b6b7f0e47f531b0723b0b6fb0722','7f0e37f5307f595b0b0bc920fb0722','7f0e397bd097c36b0b6fc9210c8dc2',
'9778397bd097c36b0b70c9274c91aa','97b6b7f0e47f531b0723b0b6fb0721','7f0e37f1487f595b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc9210c8dc2','9778397bd097c36b0b6fc9274c91aa','97b6b7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f595b0b0bb0b6fb0722','7f0e397bd097c35b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa',
'97b6b7f0e47f531b0723b0b6fb0721','7f0e27f1487f531b0b0bb0b6fb0722','7f0e397bd097c35b0b6fc920fb0722',
'9778397bd097c36b0b6fc9274c91aa','97b6b7f0e47f531b0723b0b6fb0721','7f0e27f1487f531b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc920fb0722','9778397bd097c36b0b6fc9274c91aa','97b6b7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f531b0b0bb0b6fb0722','7f0e397bd07f595b0b0bc920fb0722','9778397bd097c36b0b6fc9274c91aa',
'97b6b7f0e47f531b0723b0787b0721','7f0e27f0e47f531b0b0bb0b6fb0722','7f0e397bd07f595b0b0bc920fb0722',
'9778397bd097c36b0b6fc9210c91aa','97b6b7f0e47f149b0723b0787b0721','7f0e27f0e47f531b0723b0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722','9778397bd097c36b0b6fc9210c8dc2','977837f0e37f149b0723b0787b0721',
'7f07e7f0e47f531b0723b0b6fb0722','7f0e37f5307f595b0b0bc920fb0722','7f0e397bd097c35b0b6fc9210c8dc2',
'977837f0e37f14998082b0787b0721','7f07e7f0e47f531b0723b0b6fb0721','7f0e37f1487f595b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc9210c8dc2','977837f0e37f14998082b0787b06bd','7f07e7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f531b0b0bb0b6fb0722','7f0e397bd097c35b0b6fc920fb0722','977837f0e37f14998082b0787b06bd',
'7f07e7f0e47f531b0723b0b6fb0721','7f0e27f1487f531b0b0bb0b6fb0722','7f0e397bd097c35b0b6fc920fb0722',
'977837f0e37f14998082b0787b06bd','7f07e7f0e47f531b0723b0b6fb0721','7f0e27f1487f531b0b0bb0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722','977837f0e37f14998082b0787b06bd','7f07e7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f531b0b0bb0b6fb0722','7f0e397bd07f595b0b0bc920fb0722','977837f0e37f14998082b0787b06bd',
'7f07e7f0e47f149b0723b0787b0721','7f0e27f0e47f531b0b0bb0b6fb0722','7f0e397bd07f595b0b0bc920fb0722',
'977837f0e37f14998082b0723b06bd','7f07e7f0e37f149b0723b0787b0721','7f0e27f0e47f531b0723b0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722','977837f0e37f14898082b0723b02d5','7ec967f0e37f14998082b0787b0721',
'7f07e7f0e47f531b0723b0b6fb0722','7f0e37f1487f595b0b0bb0b6fb0722','7f0e37f0e37f14898082b0723b02d5',
'7ec967f0e37f14998082b0787b0721','7f07e7f0e47f531b0723b0b6fb0722','7f0e37f1487f531b0b0bb0b6fb0722',
'7f0e37f0e37f14898082b0723b02d5','7ec967f0e37f14998082b0787b06bd','7f07e7f0e47f531b0723b0b6fb0721',
'7f0e37f1487f531b0b0bb0b6fb0722','7f0e37f0e37f14898082b072297c35','7ec967f0e37f14998082b0787b06bd',
'7f07e7f0e47f531b0723b0b6fb0721','7f0e27f1487f531b0b0bb0b6fb0722','7f0e37f0e37f14898082b072297c35',
'7ec967f0e37f14998082b0787b06bd','7f07e7f0e47f531b0723b0b6fb0721','7f0e27f1487f531b0b0bb0b6fb0722',
'7f0e37f0e366aa89801eb072297c35','7ec967f0e37f14998082b0787b06bd','7f07e7f0e47f149b0723b0787b0721',
'7f0e27f1487f531b0b0bb0b6fb0722','7f0e37f0e366aa89801eb072297c35','7ec967f0e37f14998082b0723b06bd',
'7f07e7f0e47f149b0723b0787b0721','7f0e27f0e47f531b0723b0b6fb0722','7f0e37f0e366aa89801eb072297c35',
'7ec967f0e37f14998082b0723b06bd','7f07e7f0e37f14998083b0787b0721','7f0e27f0e47f531b0723b0b6fb0722',
'7f0e37f0e366aa89801eb072297c35','7ec967f0e37f14898082b0723b02d5','7f07e7f0e37f14998082b0787b0721',
'7f07e7f0e47f531b0723b0b6fb0722','7f0e36665b66aa89801e9808297c35','665f67f0e37f14898082b0723b02d5',
'7ec967f0e37f14998082b0787b0721','7f07e7f0e47f531b0723b0b6fb0722','7f0e36665b66a449801e9808297c35',
'665f67f0e37f14898082b0723b02d5','7ec967f0e37f14998082b0787b06bd','7f07e7f0e47f531b0723b0b6fb0721',
'7f0e36665b66a449801e9808297c35','665f67f0e37f14898082b072297c35','7ec967f0e37f14998082b0787b06bd',
'7f07e7f0e47f531b0723b0b6fb0721','7f0e26665b66a449801e9808297c35','665f67f0e37f1489801eb072297c35',
'7ec967f0e37f14998082b0787b06bd','7f07e7f0e47f531b0723b0b6fb0721','7f0e27f1487f531b0b0bb0b6fb0722'],
/**
* 数字转中文速查表
* @Array Of Property
* @trans ['日','一','二','三','四','五','六','七','八','九','十']
* @return Cn string
*/
nStr1:["\u65e5","\u4e00","\u4e8c","\u4e09","\u56db","\u4e94","\u516d","\u4e03","\u516b","\u4e5d","\u5341"],
/**
* 日期转农历称呼速查表
* @Array Of Property
* @trans ['初','十','廿','卅']
* @return Cn string
*/
nStr2:["\u521d","\u5341","\u5eff","\u5345"],
/**
* 月份转农历称呼速查表
* @Array Of Property
* @trans ['正','一','二','三','四','五','六','七','八','九','十','冬','腊']
* @return Cn string
*/
nStr3:["\u6b63","\u4e8c","\u4e09","\u56db","\u4e94","\u516d","\u4e03","\u516b","\u4e5d","\u5341","\u51ac","\u814a"],
/**
* 返回农历y年一整年的总天数
* @param lunar Year
* @return Number
* @eg:var count = calendar.lYearDays(1987) ;//count=387
*/
lYearDays:function(y) {
var i, sum = 348;
for(i=0x8000; i>0x8; i>>=1) { sum += (calendar.lunarInfo[y-1900] & i)? 1: 0; }
return(sum+calendar.leapDays(y));
},
/**
* 返回农历y年闰月是哪个月；若y年没有闰月 则返回0
* @param lunar Year
* @return Number (0-12)
* @eg:var leapMonth = calendar.leapMonth(1987) ;//leapMonth=6
*/
leapMonth:function(y) { //闰字编码 \u95f0
return(calendar.lunarInfo[y-1900] & 0xf);
},
/**
* 返回农历y年闰月的天数 若该年没有闰月则返回0
* @param lunar Year
* @return Number (0、29、30)
* @eg:var leapMonthDay = calendar.leapDays(1987) ;//leapMonthDay=29
*/
leapDays:function(y) {
if(calendar.leapMonth(y)) {
return((calendar.lunarInfo[y-1900] & 0x10000)? 30: 29);
}
return(0);
},
/**
* 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
* @param lunar Year
* @return Number (-1、29、30)
* @eg:var MonthDay = calendar.monthDays(1987,9) ;//MonthDay=29
*/
monthDays:function(y,m) {
if(m>12 || m<1) {return -1}//月份参数从1至12，参数错误返回-1
return( (calendar.lunarInfo[y-1900] & (0x10000>>m))? 30: 29 );
},
/**
* 返回公历(!)y年m月的天数
* @param solar Year
* @return Number (-1、28、29、30、31)
* @eg:var solarMonthDay = calendar.leapDays(1987) ;//solarMonthDay=30
*/
solarDays:function(y,m) {
if(m>12 || m<1) {return -1} //若参数错误 返回-1
var ms = m-1;
if(ms==1) { //2月份的闰平规律测算后确认返回28或29
return(((y%4 == 0) && (y%100 != 0) || (y%400 == 0))? 29: 28);
}else {
return(calendar.solarMonth[ms]);
}
},
/**
* 农历年份转换为干支纪年
* @param lYear 农历年的年份数
* @return Cn string
*/
toGanZhiYear:function(lYear) {
var ganKey = (lYear - 3) % 10;
var zhiKey = (lYear - 3) % 12;
if(ganKey == 0) ganKey = 10;//如果余数为0则为最后一个天干
if(zhiKey == 0) zhiKey = 12;//如果余数为0则为最后一个地支
return calendar.Gan[ganKey-1] + calendar.Zhi[zhiKey-1];
},
/**
* 公历月、日判断所属星座
* @param cMonth [description]
* @param cDay [description]
* @return Cn string
*/
toAstro:function(cMonth,cDay) {
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";
var arr = [20,19,21,21,21,22,23,23,23,23,22,22];
return s.substr(cMonth*2 - (cDay < arr[cMonth-1] ? 2 : 0),2) + "\u5ea7";//座
},
/**
* 传入offset偏移量返回干支
* @param offset 相对甲子的偏移量
* @return Cn string
*/
toGanZhi:function(offset) {
return calendar.Gan[offset%10] + calendar.Zhi[offset%12];
},
/**
* 传入公历(!)y年获得该年第n个节气的公历日期
* @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
* @return day Number
* @eg:var _24 = calendar.getTerm(1987,3) ;//_24=4;意即1987年2月4日立春
*/
getTerm:function(y,n) {
if(y<1900 || y>2100) {return -1;}
if(n<1 || n>24) {return -1;}
var _table = calendar.sTermInfo[y-1900];
var _info = [
parseInt('0x'+_table.substr(0,5)).toString() ,
parseInt('0x'+_table.substr(5,5)).toString(),
parseInt('0x'+_table.substr(10,5)).toString(),
parseInt('0x'+_table.substr(15,5)).toString(),
parseInt('0x'+_table.substr(20,5)).toString(),
parseInt('0x'+_table.substr(25,5)).toString()
];
var _calday = [
_info[0].substr(0,1),
_info[0].substr(1,2),
_info[0].substr(3,1),
_info[0].substr(4,2),
_info[1].substr(0,1),
_info[1].substr(1,2),
_info[1].substr(3,1),
_info[1].substr(4,2),
_info[2].substr(0,1),
_info[2].substr(1,2),
_info[2].substr(3,1),
_info[2].substr(4,2),
_info[3].substr(0,1),
_info[3].substr(1,2),
_info[3].substr(3,1),
_info[3].substr(4,2),
_info[4].substr(0,1),
_info[4].substr(1,2),
_info[4].substr(3,1),
_info[4].substr(4,2),
_info[5].substr(0,1),
_info[5].substr(1,2),
_info[5].substr(3,1),
_info[5].substr(4,2),
];
return parseInt(_calday[n-1]);
},
/**
* 传入农历数字月份返回汉语通俗表示法
* @param lunar month
* @return Cn string
* @eg:var cnMonth = calendar.toChinaMonth(12) ;//cnMonth='腊月'
*/
toChinaMonth:function(m) { // 月 => \u6708
if(m>12 || m<1) {return -1} //若参数错误 返回-1
var s = calendar.nStr3[m-1];
s+= "\u6708";//加上月字
return s;
},
/**
* 传入农历日期数字返回汉字表示法
* @param lunar day
* @return Cn string
* @eg:var cnDay = calendar.toChinaDay(21) ;//cnMonth='廿一'
*/
toChinaDay:function(d){ //日 => \u65e5
var s;
switch (d) {
case 10:
s = '\u521d\u5341'; break;
case 20:
s = '\u4e8c\u5341'; break;
break;
case 30:
s = '\u4e09\u5341'; break;
break;
default :
s = calendar.nStr2[Math.floor(d/10)];
s += calendar.nStr1[d%10];
}
return(s);
},
/**
* 年份转生肖[!仅能大致转换] => 精确划分生肖分界线是“立春”
* @param y year
* @return Cn string
* @eg:var animal = calendar.getAnimal(1987) ;//animal='兔'
*/
getAnimal: function(y) {
return calendar.Animals[(y - 4) % 12]
},
/**
* 传入阳历年月日获得详细的公历、农历object信息 <=>JSON
* @param y solar year
* @param m solar month
* @param d solar day
* @return JSON object
* @eg:console.log(calendar.solar2lunar(1987,11,01));
*/
solar2lunar:function (y,m,d) { //参数区间1900.1.31~2100.12.31
if(y<1900 || y>2100) {return -1;}//年份限定、上限
if(y==1900&&m==1&&d<31) {return -1;}//下限
if(!y) { //未传参 获得当天
var objDate = new Date();
}else {
var objDate = new Date(y,parseInt(m)-1,d)
}
var i, leap=0, temp=0;
//修正ymd参数
var y = objDate.getFullYear(),m = objDate.getMonth()+1,d = objDate.getDate();
var offset = (Date.UTC(objDate.getFullYear(),objDate.getMonth(),objDate.getDate()) - Date.UTC(1900,0,31))/86400000;
for(i=1900; i<2101 && offset>0; i++) { temp=calendar.lYearDays(i); offset-=temp; }
if(offset<0) { offset+=temp; i--; }
//是否今天
var isTodayObj = new Date(),isToday=false;
if(isTodayObj.getFullYear()==y && isTodayObj.getMonth()+1==m && isTodayObj.getDate()==d) {
isToday = true;
}
//星期几
var nWeek = objDate.getDay(),cWeek = calendar.nStr1[nWeek];
if(nWeek==0) {nWeek =7;}//数字表示周几顺应天朝周一开始的惯例
//农历年
var year = i;
var leap = calendar.leapMonth(i); //闰哪个月
var isLeap = false;
//效验闰月
for(i=1; i<13 && offset>0; i++) {
//闰月
if(leap>0 && i==(leap+1) && isLeap==false){
--i;
isLeap = true; temp = calendar.leapDays(year); //计算农历闰月天数
}
else{
temp = calendar.monthDays(year, i);//计算农历普通月天数
}
//解除闰月
if(isLeap==true && i==(leap+1)) { isLeap = false; }
offset -= temp;
}
if(offset==0 && leap>0 && i==leap+1)
if(isLeap){
isLeap = false;
}else{
isLeap = true; --i;
}
if(offset<0){ offset += temp; --i; }
//农历月
var month = i;
//农历日
var day = offset + 1;
//天干地支处理
var sm = m-1;
var gzY = calendar.toGanZhiYear(year);
//月柱 1900年1月小寒以前为 丙子月(60进制12)
var firstNode = calendar.getTerm(year,(m*2-1));//返回当月「节」为几日开始
var secondNode = calendar.getTerm(year,(m*2));//返回当月「节」为几日开始
//依据12节气修正干支月
var gzM = calendar.toGanZhi((y-1900)*12+m+11);
if(d>=firstNode) {
gzM = calendar.toGanZhi((y-1900)*12+m+12);
}
//传入的日期的节气与否
var isTerm = false;
var Term = null;
if(firstNode==d) {
isTerm = true;
Term = calendar.solarTerm[m*2-2];
}
if(secondNode==d) {
isTerm = true;
Term = calendar.solarTerm[m*2-1];
}
//日柱 当月一日与 1900/1/1 相差天数
var dayCyclical = Date.UTC(y,sm,1,0,0,0,0)/86400000+25567+10;
var gzD = calendar.toGanZhi(dayCyclical+d-1);
//该日期所属的星座
var astro = calendar.toAstro(m,d);
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};
},
/**
* 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
* @param y lunar year
* @param m lunar month
* @param d lunar day
* @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]
* @return JSON object
* @eg:console.log(calendar.lunar2solar(1987,9,10));
*/
lunar2solar:function(y,m,d,isLeapMonth) { //参数区间1900.1.31~2100.12.1
var isLeapMonth = !!isLeapMonth;
var leapOffset = 0;
var leapMonth = calendar.leapMonth(y);
var leapDay = calendar.leapDays(y);
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
if(y==2100&&m==12&&d>1 || y==1900&&m==1&&d<31) {return -1;}//超出了最大极限值
var day = calendar.monthDays(y,m);
var _day = day;
//bugFix 2016-9-25
//if month is leap, _day use leapDays method
if(isLeapMonth) {
_day = calendar.leapDays(y,m);
}
if(y < 1900 || y > 2100 || d > _day) {return -1;}//参数合法性效验
//计算农历的时间差
var offset = 0;
for(var i=1900;i0) {
offset+=calendar.leapDays(y);isAdd = true;
}
}
offset+=calendar.monthDays(y,i);
}
//转换闰月农历 需补充该年闰月的前一个月的时差
if(isLeapMonth) {offset+=day;}
//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)
var stmap = Date.UTC(1900,1,30,0,0,0);
var calObj = new Date((offset+d-31)*86400000+stmap);
var cY = calObj.getUTCFullYear();
var cM = calObj.getUTCMonth()+1;
var cD = calObj.getUTCDate();
return calendar.solar2lunar(cY,cM,cD);
}
};
使用的方法是：
/**公历年月日转农历数据 返回json**/
calendar.solar2lunar(1987,11,01);
/**农历年月日转公历年月日**/
calendar.lunar2solar(1987,9,10);
//调用以上方法后返回类似如下object（json）具体以上就不需要解释了吧！
//c开头的是公历各属性值 l开头的自然就是农历咯 gz开头的就是天干地支纪年的数据啦~
{
Animal: "兔",
IDayCn: "初十",
IMonthCn: "九月",
Term: null,
astro: "天蝎座",
cDay: 1,
cMonth: 11,
cYear: 1987,
gzDay: "甲寅",
gzMonth: "庚戌",
gzYear: "丁卯",
isLeap: false,
isTerm: false,
isToday: false,
lDay: 10,
lMonth: 9,
lYear: 1987,
nWeek: 7,
ncWeek: "星期日"
}
//该代码还有其他可以调用的方法，请自己查看代码中的详细注释
三、效果图
因为工作的源码不能泄露，所以日历的 实现代码就不贴出了。但效果图如下：
PS：这里再为大家推荐几款日历相关在线工具供大家参考：
网页万年历日历：
http://tools.jb51.net/bianmin/webwannianli
在线阴历/阳历转换工具：
http://tools.jb51.net/bianmin/yinli2yangli
在线万年历日历：
http://tools.jb51.net/bianmin/wannianli
在线万年历黄历flash版：
http://tools.jb51.net/bianmin/flashwnl
另外，本站历史上的今天也有相似的农历日期显示功能：
http://tools.jb51.net/bianmin/lishi
更多关于JavaScript相关内容感兴趣的读者可查看本站专题：《JavaScript时间与日期操作技巧总结》《JavaScript错误与调试技巧总结》、《JavaScript数据结构与算法技巧总结》、《JavaScript遍历算法与技巧总结》及《JavaScript数学运算用法总结》
希望本文所述对大家JavaScript程序设计有所帮助。
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