请求做个封装JAVA教程，按照上次那个教程，还是不会呀。

zqiz · 发表于 2020-4-14 11:53:29

源码不长，网址为
Java-获取年月日对应的天干地支：https://www.cnblogs.com/doubleWin/p/10690127.html

源码：
public class MyDate {
/**
   * 对于年月日的天干地支
   */
private int year_ganZhi;
private int month_ganZhi;
private int day_ganZhi;
/**
   * 关于阴历的相关信息
   */
private static int[] lunar_info = {0x04bd8, 0x04ae0, 0x0a570, 0x054d5,
         0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2, 0x04ae0,
         0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2,
         0x095b0, 0x14977, 0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40,
         0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970, 0x06566, 0x0d4a0,
         0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7,
         0x0c950, 0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0,
         0x092d0, 0x0d2b2, 0x0a950, 0x0b557, 0x06ca0, 0x0b550, 0x15355,
         0x04da0, 0x0a5d0, 0x14573, 0x052d0, 0x0a9a8, 0x0e950, 0x06aa0,
         0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263,
         0x0d950, 0x05b57, 0x056a0, 0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0,
         0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b5a0, 0x195a6, 0x095b0,
         0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46,
         0x0ab60, 0x09570, 0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50,
         0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0, 0x0c960, 0x0d954,
         0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0,
         0x0cab5, 0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0,
         0x0a5b0, 0x15176, 0x052b0, 0x0a930, 0x07954, 0x06aa0, 0x0ad50,
         0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530,
         0x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6,
         0x0d250, 0x0d520, 0x0dd45, 0x0b5a0, 0x056d0, 0x055b2, 0x049b0,
         0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0};
/**
   * 记录天干的信息
   */
private String[] gan_info = {"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛",
         "壬", "癸"};
private String[] zhi_info = {"子", "丑", "寅", "卯", "辰", "巳", "午", "未",
         "申", "酉", "戌", "亥"};
/**
   * 单例模式
   */
private static volatile MyDate instance = null;
private MyDate() {
}

public static MyDate getInstance() {
      if (instance == null) {
         synchronized (MyDate.class) {
            if (instance == null) {
                  instance = new MyDate();
            }
         }
      }
      return instance;
}

/**
   * 获取农历某年的总天数
   *
   * @param year
   * @return
   */
private int daysOfYear(int year) {
      int sum = 348;
      for (int i = 0x8000; i > 0x8; i >>= 1) {
         sum += (lunar_info[year - 1900] & i) == 0 ? 0 : 1;
      }
      //获取闰月的天数
      int daysOfLeapMonth;
      if ((lunar_info[year - 1900] & 0xf) != 0) {
         daysOfLeapMonth = (lunar_info[year - 1900] & 0x10000) == 0 ? 29 : 30;
      } else {
         daysOfLeapMonth = 0;
      }
      return sum + daysOfLeapMonth;
}

/**
   * 初始化年月日对应的天干地支
   * @param year
   * @param month
   * @param day
   */
public void initGanZhi(int year, int month, int day) {
      //获取现在的时间
      Calendar calendar_now = Calendar.getInstance();
      calendar_now.set(year, month - 1, day);
      long date_now = calendar_now.getTime().getTime();
      //获取1900-01-31的时间
      Calendar calendar_ago = Calendar.getInstance();
      calendar_ago.set(1900, 0 ,31);
      long date_ago = calendar_ago.getTime().getTime();
      //86400000 = 24 * 60 * 60 * 1000
      long days_distance = (date_now - date_ago) / 86400000L;
      float remainder = (date_now - date_ago) % 86400000L;
      //余数大于0算一天
      if (remainder > 0) {
         days_distance += 1;
      }
      //都是从甲子开始算起以1900-01-31为起点
      //1899-12-21是农历1899年腊月甲子日  40：相差1900-01-31有40天
      day_ganZhi = (int)days_distance + 40;
      //1898-10-01是农历甲子月  14：相差1900-01-31有14个月
      month_ganZhi = 14;
      int daysOfYear = 0;
      int i;
      for (i = 1900; i < 2050 && days_distance > 0; i++) {
         daysOfYear = daysOfYear(i);
         days_distance -= daysOfYear;
         month_ganZhi += 12;
      }
      if (days_distance < 0) {
         days_distance += daysOfYear;
         i--;
         month_ganZhi -= 12;
      }
      //农历年份
      int myYear = i;
      //1864年是甲子年
      year_ganZhi = myYear - 1864;
      //哪个月是闰月
      int leap = lunar_info[myYear - 1900] & 0xf;
      boolean isLeap = false;
      int daysOfLeapMonth = 0;
      for (i = 1; i < 13 && days_distance > 0; i++) {
         //闰月
         if (leap > 0 && i == (leap + 1) && !isLeap) {
            isLeap = true;
            if ((lunar_info[myYear - 1900] & 0xf) != 0) {
                  daysOfLeapMonth = (lunar_info[myYear - 1900] & 0x10000) == 0 ? 29 : 30;
            } else {
                  daysOfLeapMonth = 0;
            }
            --i;
         } else {
            daysOfLeapMonth = (lunar_info[myYear - 1900] & (0x10000 >> i)) == 0 ? 29 : 30;
         }
         //设置非闰月
         if (isLeap && i == (leap + 1)) {
            isLeap = false;
         }
         days_distance -= daysOfLeapMonth;
         if (!isLeap) {
            month_ganZhi++;
         }
      }
      if (days_distance == 0 && leap > 0 && i == leap + 1 && !isLeap) {
         --month_ganZhi;
      }
      if (days_distance < 0) {
         --month_ganZhi;
      }
}

/**
   * 将年月日转化为天干地支的显示方法
   * @param index
   * @return
   */
private String ganZhi(int index) {
      return gan_info[index % 10] + zhi_info[index % 12];
}

/**
   * 获取天干地支
   * @return
   */
public String getGanZhi() {
      return "农历" + ganZhi(year_ganZhi) + "年 " + ganZhi(month_ganZhi) + "月 " + ganZhi(day_ganZhi) + "日";
}
}

创世魂 · 发表于 2020-4-16 17:36:46

本帖结贴，如有其他疑问，请重新发帖提问。

创世魂 · 发表于 2020-4-16 17:36:20

1、下载附件文件“a_ctrl_calendarview.v”

a_ctrl_calendarview.v (316.84 KB, 下载次数: 19)
下载文件后，替换到火山安装路径中，下面的路径中。
plugins\vprj_android\classlib\sys\android\ctrl_calendar

2、

天干地支例子.v (6.21 KB, 下载次数: 17)

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