JavaScript阳历转阴历源代码

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        var l = ["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"];
        var h = ["甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"];
        var d = ["子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"];
        var p = ["鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪"];
        var k = ["初", "十", "廿", "三十"];
        var g = ["", "一", "二", "三", "四", "五", "六", "七", "八", "九"];
        var n = ["正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "腊"];
        var m = {
            yearDataCache: {},
            getDate: function (u) {
                var x = Math.ceil((u - new Date(1899, 1, 10)) / 86400000);
                var w = 1899;
                var s;
                var r;
                var q;
                var t;
                var v;
                for (; w < 2100 && x > 0; w++) {
                    s = this.getYearDays(w);
                    x -= s
                }
                x < 0 && (x += s, w--);
                q = w;
                r = this.getLeapMonth(q) || false;
                for (w = 1; w <= 12; w++) {
                    s = this.getMonthDays(q, w);
                    if (r === true) {
                        r = false;
                        w--;
                        s = this.getLeapDays(q);
                        if (x < s) {
                            t = true
                        }
                    }
                    if (r === w) {
                        r = true
                    }
                    if (x < s) {
                        v = s === 30;
                        break
                    }
                    x -= s
                }
                return {
                    lunarYear: q,
                    lunarMonth: w,
                    lunarDay: x + 1,
                    isLeap: t,
                    isBigMonth: v
                }
            },
            getYearDays: function (q) {
                var r;
                var t = this.yearDataCache;
                if (t[q]) {
                    return t[q]
                }
                var s = 348;
                var u = j[q - 1899];
                for (r = 32768; r > 8; r >>= 1) {
                    s += r & u ? 1 : 0
                }
                s += this.getLeapDays(q);
                t[q] = s;
                return s
            },
            getLeapDays: function (q) {
                return this.getLeapMonth(q) ? (j[q - 1899 + 1] & 15 === 15 ? 30 : 29) : 0
            },
            getLeapMonth: function (r) {
                var q = j[r - 1899] & 15;
                return q == 15 ? 0 : q
            },
            getMonthDays: function (r, q) {
                return (j[r - 1899] & (65536 >> q)) ? 30 : 29
            }
        };
        var b = function (u, r) {
            var v = o[u - 1900];
            var t = [];
            var s = 0;
            var q;
            for (; s < 30; s += 5) {
                q = (+("0x" + v.substr(s, 5))).toString();
                t.push(q.substr(0, 1));
                t.push(q.substr(1, 2));
                t.push(q.substr(3, 1));
                t.push(q.substr(4, 2))
            }
            return new Date(u, parseInt(r / 2, 10), t[r])
        };
        var c = {
            calculate: function (q) {
                return h[q % 10] + d[q % 12]
            },
            getGzYear: function (r, s, q) {
                return this.calculate(s - 1900 + 36 - (q === s ? 0 : 1))
            },
            getGzMonth: function (q, r, s) {
                var t = b(r, q.getMonth() * 2);
                return this.calculate((r - 1900) * 12 + s + 12 - (q < t ? 1 : 0))
            },
            getGzDay: function (q) {
                return this.calculate(Math.ceil(q / 86400000 + 25567 + 10))
            }
        };
        var i = {
            t0101: "t,春节 ",
            t0115: "t,元宵节",
            t0202: "t,龙头节",
            t0505: "t,端午节",
            t0707: "t,七夕节",
            t0715: "t,中元节",
            t0815: "t,中秋节",
            t0909: "t,重阳节",
            t1001: "t,寒衣节",
            t1015: "t,下元节",
            t1208: "t,腊八节",
            t1223: "t,小年",
            "0202": "i,湿地日,1996",
            "0308": "i,妇女节,1975",
            "0315": "i,消费者权益日,1983",
            "0401": "i,愚人节,1564",
            "0422": "i,地球日,1990",
            "0501": "i,劳动节,1889",
            "0512": "i,护士节,1912",
            "0518": "i,博物馆日,1977",
            "0605": "i,环境日,1972",
            "0623": "i,奥林匹克日,1948",
            "1020": "i,骨质疏松日,1998",
            "1117": "i,学生日,1942",
            "1201": "i,艾滋病日,1988",
            "0101": "h,元旦",
            "0312": "h,植树节,1979",
            "0504": "h,五四青年节,1939",
            "0601": "h,儿童节,1950",
            "0701": "h,建党节,1941",
            "0801": "h,建军节,1933",
            "0903": "h,抗战胜利日,1945",
            "0910": "h,教师节,1985",
            "1001": "h,国庆节,1949",
            "1224": "c,平安夜",
            "1225": "c,圣诞节",
            "0214": "a,情人节",
            w: {
                "0520": "i,母亲节,1913",
                "0630": "a,父亲节",
                "1144": "a,感恩节"
            }
        };
        var e = function (q) {
            return q < 10 ? "0" + q : q
        };
        var a = function (r, C) {
            var y = r.getFullYear();
            var w = r.getMonth() + 1;
            var B = r.getDate();
            var q = r.getDay();
            var s = Math.ceil(B / 7);
            var z = e(w) + s + q;
            var v = "t" + e(C.lunarMonth) + e(C.lunarDay);
            var t = e(w) + e(B);
            var x = [];
            var D;
            if (C.lunarMonth === 12 && C.lunarDay === (C.isBigMonth ? 30 : 29)) {
                x.push("t,除夕")
            }
            x = x.concat([i.w[z], i[t], i[v]]);
            var u = 0;
            for (; u < x.length; u++) {
                if (x[u]) {
                    D = x[u].split(",");
                    if (D[2] && y < D[2]) {
                        x[u] = null;
                        continue
                    }
                    x[u] = {
                        type: D[0],
                        desc: D[1],
                        value: D[1]
                    }
                }
            }
            x.sort(function (F, E) {
                if (F && E) {
                    return F.type.charCodeAt(0) - E.type.charCodeAt(0)
                }
                return !F ? 1 : -1
            });
            return $.map(x,
            function (E) {
                return E
            })
        };
        var f = function (r) {
            var w = r.getFullYear();
            var u = r.getMonth() + 1;
            var y = r.getDate();
            var v = (u - 1) * 2;
            var s = b(w, v);
            var q;
            var t = "";
            if (y != s.getDate()) {
                q = b(w, v + 1);
                if (y == q.getDate()) {
                    t = l[v + 1]
                }
            } else {
                t = l[v]
            }
            var x = m.getDate(r);
            return {
                animal: p[(x.lunarYear - 4) % 12],//生肖
                gzDate: c.getGzDay(r),//阴历日期
                gzMonth: c.getGzMonth(r, w, u),//阴历月份
                gzYear: c.getGzYear(r, w, x.lunarYear),//阴历年份
                lunarYear: x.lunarYear,//阴历数字年份
                lunarMonth: x.lunarMonth,//阴历数字月份
                lunarDate: x.lunarDay,//阴历数字日期
                lunar: new Date(x.lunarYear,x.lunarMonth-1,x.lunarDay),//新增的对应的阴历日期对象
                lMonth: (x.isLeap ? "闰" : "") + n[x.lunarMonth - 1],//阴历月份数字对应汉字月份
                lDate: x.lunarDay % 10 == 0 ? ["初十", "二十", "三十"][x.lunarDay / 10 - 1] : k[parseInt(x.lunarDay / 10, 10)] + g[parseInt(x.lunarDay % 10, 10)],//阴历日期数字对应汉字日期
                term: t,
                festival: function () {//获取公历对应的节假日
                    return a(r, x)
                },
                isBigMonth: x.isBigMonth,
                oDate: r,//公历日期对象
                cnDay: "日一二三四五六七".charAt(r.getDay())//公历星期几
            }
        };
        window.LunarCal = function (q) {
            var q = new Date(q);
            return f(q)
        }

    })();
    //使用
    var o = LunarCal('2016/1/8');
    document.write(o.lunar.toLocaleString() + '　'+o.lMonth+'月'+o.lDate)
</script>