JavaScript转换农历类

    var LunarDate = {  
            madd: new Array(0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334),  
            HsString: '甲乙丙丁戊己庚辛壬癸',  
            EbString: '子丑寅卯辰巳午未申酉戌亥',  
            NumString: "一二三四五六七八九十",  
            MonString: "正二三四五六七八九十冬腊",  
            CalendarData: new Array(0xA4B, 0x5164B, 0x6A5, 0x6D4, 0x415B5, 0x2B6, 0x957, 0x2092F, 0x497, 0x60C96, 0xD4A, 0xEA5, 0x50DA9, 0x5AD, 0x2B6, 0x3126E, 0x92E, 0x7192D, 0xC95, 0xD4A, 0x61B4A, 0xB55, 0x56A, 0x4155B, 0x25D, 0x92D, 0x2192B, 0xA95, 0x71695, 0x6CA, 0xB55, 0x50AB5, 0x4DA, 0xA5B, 0x30A57, 0x52B, 0x8152A, 0xE95, 0x6AA, 0x615AA, 0xAB5, 0x4B6, 0x414AE, 0xA57, 0x526, 0x31D26, 0xD95, 0x70B55, 0x56A, 0x96D, 0x5095D, 0x4AD, 0xA4D, 0x41A4D, 0xD25, 0x81AA5, 0xB54, 0xB6A, 0x612DA, 0x95B, 0x49B, 0x41497, 0xA4B, 0xA164B, 0x6A5, 0x6D4, 0x615B4, 0xAB6, 0x957, 0x5092F, 0x497, 0x64B, 0x30D4A, 0xEA5, 0x80D65, 0x5AC, 0xAB6, 0x5126D, 0x92E, 0xC96, 0x41A95, 0xD4A, 0xDA5, 0x20B55, 0x56A, 0x7155B, 0x25D, 0x92D, 0x5192B, 0xA95, 0xB4A, 0x416AA, 0xAD5, 0x90AB5, 0x4BA, 0xA5B, 0x60A57, 0x52B, 0xA93, 0x40E95),  
            Year: null,  
            Month: null,  
            Day: null,  
            TheDate: null,  
            GetBit: function(m, n){  
                    return (m >> n) & 1;  
            },  
            e2c: function(){  
                    this.TheDate = (arguments.length != 3) ? new Date(): new Date(arguments[0], arguments[1], arguments[2]);  
                    var total, m, n, k;  
                    var isEnd = false;  
                    var tmp = this.TheDate.getFullYear();  
                    total = (tmp - 1921) * 365 + Math.floor((tmp - 1921) / 4) + this.madd[this.TheDate.getMonth()] + this.TheDate.getDate() - 38;  
                    if (this.TheDate.getYear() % 4 == 0 && this.TheDate.getMonth() > 1) {  
                            total++;  
                    }  
                    for (m = 0; ; m++) {  
                            k = (this.CalendarData[m] < 0xfff) ? 11: 12;  
                            for (n = k; n >= 0; n--) {  
                                    if (total <= 29 + this.GetBit(this.CalendarData[m], n)) {  
                                            isEnd = true;  
                                            break;  
                                    }  
                                    total = total - 29 - this.GetBit(this.CalendarData[m], n);  
                            }  
                            if (isEnd)  
                                    break;  
                    }  
                    this.Year = 1921 + m;  
                    this.Month = k - n + 1;  
                    this.Day = total;  
                    if (k == 12) {  
                            if (this.Month == Math.floor(this.CalendarData[m] / 0x10000) + 1) {  
                                    this.Month = 1 - this.Month;  
                            }  
                            if (this.Month > Math.floor(this.CalendarData[m] / 0x10000) + 1) {  
                                    this.Month--;  
                            }  
                    }  
            },  
            GetcDateString: function(){  
                    var tmp = "";  
                    tmp += this.HsString.charAt((this.Year - 4) % 10);  
                    tmp += this.EbString.charAt((this.Year - 4) % 12);  
                    tmp += "年 ";  
                    if (this.Month < 1) {  
                            tmp += "(闰)";  
                            tmp += this.MonString.charAt(-this.Month - 1);  
                    } else {  
                            tmp += this.MonString.charAt(this.Month - 1);  
                    }  
                    tmp += "月";  
                    tmp += (this.Day < 11) ? "初": ((this.Day < 20) ? "十": ((this.Day < 30) ? "廿": "三十"));  
                    if (this.Day % 10 != 0 || this.Day == 10) {  
                            tmp += this.NumString.charAt((this.Day - 1) % 10);  
                    }  
                    return tmp;  
            },  
            GetLunarDay: function(solarYear, solarMonth, solarDay) {  
                    if (solarYear < 1921 || solarYear > 2020) {  
                            return "";  
                    } else {  
                            solarMonth = (parseInt(solarMonth) > 0) ? (solarMonth - 1): 11;  
                            this.e2c(solarYear, solarMonth, solarDay);  
                            return this.GetcDateString();  
                    }  
            }  
    };  

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