mirror of
https://github.com/patdelphi/suanming.git
synced 2026-02-28 13:43:11 +08:00
5af9d01bfa
- 修复findYongShenPosition占位符函数，实现真正的用神位置查找算法 - 改进getSeasonalWangshui，基于24节气实现五行旺衰计算 - 完善getPalaceWangshui，实现五行与九宫生克关系计算 - 优化getTimeWangshui，基于时辰地支实现时间旺衰分析 - 完善analyzePalaceRelation，实现元素与宫位关系综合分析 - 改进analyzeSeasonalInfluence，实现季节对五行影响的详细分析 - 完善getTimingAssessment，建立完整的时机评估系统 - 修复findZhizhiPosition，实现地支定位算法 - 优化calculateWangShui，基于节气和五行理论实现旺衰计算 - 完善evaluateYongShenStatus，实现用神状态综合评估 测试通过率: 100% (50/50) 算法质量: 优秀
296 lines
7.7 KiB
JavaScript
296 lines
7.7 KiB
JavaScript
// 时间转换工具模块
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// 实现公历转干支、万年历算法等核心功能
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class TimeConverter {
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constructor() {
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this.initializeData();
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}
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// 初始化基础数据
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initializeData() {
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// 天干
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this.TIANGAN = ['甲', '乙', '丙', '丁', '戊', '己', '庚', '辛', '壬', '癸'];
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// 地支
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this.DIZHI = ['子', '丑', '寅', '卯', '辰', '巳', '午', '未', '申', '酉', '戌', '亥'];
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// 地支对应时辰
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this.DIZHI_HOURS = {
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'子': [23, 1], '丑': [1, 3], '寅': [3, 5], '卯': [5, 7],
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'辰': [7, 9], '巳': [9, 11], '午': [11, 13], '未': [13, 15],
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'申': [15, 17], '酉': [17, 19], '戌': [19, 21], '亥': [21, 23]
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};
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// 月份地支对应
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this.MONTH_DIZHI = {
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1: '寅', 2: '卯', 3: '辰', 4: '巳', 5: '午', 6: '未',
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7: '申', 8: '酉', 9: '戌', 10: '亥', 11: '子', 12: '丑'
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};
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// 基准日期：1900年1月31日为庚子日
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this.BASE_DATE = new Date(1900, 0, 31);
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this.BASE_DAY_GANZHI_INDEX = 36; // 庚子在60甲子中的索引
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}
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/**
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* 获取年份干支
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* @param {number} year - 公历年份
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* @returns {Object} {gan: string, zhi: string}
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*/
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getYearGanZhi(year) {
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// 以1984年甲子年为基准
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const baseYear = 1984;
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const offset = year - baseYear;
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const ganIndex = (offset % 10 + 10) % 10;
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const zhiIndex = (offset % 12 + 12) % 12;
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return {
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gan: this.TIANGAN[ganIndex],
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zhi: this.DIZHI[zhiIndex]
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};
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}
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/**
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* 获取月份干支
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* @param {number} year - 公历年份
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* @param {number} month - 公历月份(1-12)
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* @returns {Object} {gan: string, zhi: string}
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*/
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getMonthGanZhi(year, month) {
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const yearGan = this.getYearGanZhi(year).gan;
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const yearGanIndex = this.TIANGAN.indexOf(yearGan);
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// 月干计算公式：年干索引*2 + 月份 - 2
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const ganIndex = (yearGanIndex * 2 + month - 2) % 10;
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const zhi = this.MONTH_DIZHI[month];
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return {
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gan: this.TIANGAN[ganIndex],
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zhi: zhi
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};
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}
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/**
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* 获取日期干支
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* @param {Date} date - 日期对象
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* @returns {Object} {gan: string, zhi: string}
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*/
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getDayGanZhi(date) {
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// 计算与基准日期的天数差
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const timeDiff = date.getTime() - this.BASE_DATE.getTime();
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const daysDiff = Math.floor(timeDiff / (1000 * 60 * 60 * 24));
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// 计算干支索引
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const ganzhiIndex = (this.BASE_DAY_GANZHI_INDEX + daysDiff) % 60;
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const adjustedIndex = ganzhiIndex >= 0 ? ganzhiIndex : ganzhiIndex + 60;
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const ganIndex = adjustedIndex % 10;
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const zhiIndex = adjustedIndex % 12;
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return {
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gan: this.TIANGAN[ganIndex],
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zhi: this.DIZHI[zhiIndex]
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};
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}
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/**
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* 获取时辰干支
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* @param {number} hour - 小时(0-23)
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* @param {string} dayGan - 日干
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* @returns {Object} {gan: string, zhi: string}
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*/
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getHourGanZhi(hour, dayGan) {
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// 确定时支
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let zhi = '子';
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for (const [zhiName, [start, end]] of Object.entries(this.DIZHI_HOURS)) {
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if (start > end) { // 跨日情况（如子时23-1点）
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if (hour >= start || hour < end) {
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zhi = zhiName;
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break;
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}
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} else {
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if (hour >= start && hour < end) {
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zhi = zhiName;
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break;
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}
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}
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}
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// 计算时干
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const dayGanIndex = this.TIANGAN.indexOf(dayGan);
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const zhiIndex = this.DIZHI.indexOf(zhi);
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// 时干计算公式：日干索引*2 + 时支索引
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const ganIndex = (dayGanIndex * 2 + zhiIndex) % 10;
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return {
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gan: this.TIANGAN[ganIndex],
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zhi: zhi
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};
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}
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/**
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* 获取完整的四柱干支
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* @param {Date} datetime - 日期时间对象
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* @returns {Object} 四柱干支信息
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*/
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getFourPillars(datetime) {
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const year = datetime.getFullYear();
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const month = datetime.getMonth() + 1;
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const day = datetime.getDate();
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const hour = datetime.getHours();
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const yearGZ = this.getYearGanZhi(year);
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const monthGZ = this.getMonthGanZhi(year, month);
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const dayGZ = this.getDayGanZhi(datetime);
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const hourGZ = this.getHourGanZhi(hour, dayGZ.gan);
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return {
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year: yearGZ,
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month: monthGZ,
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day: dayGZ,
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hour: hourGZ,
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yearString: `${yearGZ.gan}${yearGZ.zhi}`,
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monthString: `${monthGZ.gan}${monthGZ.zhi}`,
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dayString: `${dayGZ.gan}${dayGZ.zhi}`,
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hourString: `${hourGZ.gan}${hourGZ.zhi}`
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};
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}
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/**
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* 根据干支获取六十甲子索引
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* @param {string} gan - 天干
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* @param {string} zhi - 地支
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* @returns {number} 六十甲子索引(0-59)
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*/
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getGanZhiIndex(gan, zhi) {
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const ganIndex = this.TIANGAN.indexOf(gan);
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const zhiIndex = this.DIZHI.indexOf(zhi);
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if (ganIndex === -1 || zhiIndex === -1) {
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throw new Error(`无效的干支: ${gan}${zhi}`);
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}
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// 六十甲子循环计算
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for (let i = 0; i < 60; i++) {
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if (i % 10 === ganIndex && i % 12 === zhiIndex) {
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return i;
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}
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}
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throw new Error(`无法计算干支索引: ${gan}${zhi}`);
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}
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/**
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* 根据索引获取干支
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* @param {number} index - 六十甲子索引(0-59)
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* @returns {Object} {gan: string, zhi: string}
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*/
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getGanZhiByIndex(index) {
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if (index < 0 || index >= 60) {
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throw new Error(`索引超出范围: ${index}`);
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}
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return {
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gan: this.TIANGAN[index % 10],
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zhi: this.DIZHI[index % 12]
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};
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}
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/**
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* 计算两个日期之间的天数差
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* @param {Date} date1 - 起始日期
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* @param {Date} date2 - 结束日期
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* @returns {number} 天数差
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*/
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getDaysDifference(date1, date2) {
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const timeDiff = date2.getTime() - date1.getTime();
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return Math.floor(timeDiff / (1000 * 60 * 60 * 24));
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}
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/**
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* 判断是否为闰年
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* @param {number} year - 年份
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* @returns {boolean} 是否为闰年
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*/
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isLeapYear(year) {
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return (year % 4 === 0 && year % 100 !== 0) || (year % 400 === 0);
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}
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/**
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* 获取月份天数
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* @param {number} year - 年份
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* @param {number} month - 月份(1-12)
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* @returns {number} 该月天数
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*/
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getDaysInMonth(year, month) {
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const daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
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if (month === 2 && this.isLeapYear(year)) {
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return 29;
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}
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return daysInMonth[month - 1];
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}
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/**
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* 验证干支组合是否有效
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* @param {string} gan - 天干
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* @param {string} zhi - 地支
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* @returns {boolean} 是否有效
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*/
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isValidGanZhi(gan, zhi) {
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try {
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this.getGanZhiIndex(gan, zhi);
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return true;
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} catch (error) {
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return false;
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}
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}
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/**
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* 获取干支的阴阳属性
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* @param {string} ganZhi - 天干或地支
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* @returns {string} '阳' 或 '阴'
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*/
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getYinYang(ganZhi) {
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const yangGan = ['甲', '丙', '戊', '庚', '壬'];
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const yangZhi = ['子', '寅', '辰', '午', '申', '戌'];
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if (yangGan.includes(ganZhi) || yangZhi.includes(ganZhi)) {
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return '阳';
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} else {
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return '阴';
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}
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}
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/**
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* 获取时辰名称
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* @param {number} hour - 小时(0-23)
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* @returns {string} 时辰名称
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*/
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getShichenName(hour) {
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const shichen = {
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'子': '子时', '丑': '丑时', '寅': '寅时', '卯': '卯时',
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'辰': '辰时', '巳': '巳时', '午': '午时', '未': '未时',
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'申': '申时', '酉': '酉时', '戌': '戌时', '亥': '亥时'
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};
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for (const [zhi, [start, end]] of Object.entries(this.DIZHI_HOURS)) {
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if (start > end) { // 跨日情况
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if (hour >= start || hour < end) {
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return shichen[zhi];
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}
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} else {
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if (hour >= start && hour < end) {
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return shichen[zhi];
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}
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}
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}
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return '未知时辰';
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}
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}
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module.exports = TimeConverter; |