chinese

date

web/App_Code/publicFun.cs

@@ -8,6 +8,9 @@ using System.Drawing.Imaging;
 using System.Drawing;
 using System.IO;
 using System.Web;
+using tyme.solar;
+using tyme.lunar;
+using tyme.sixtycycle;
 
 /// <summary>
 /// publicFun 的摘要描述
@@ -86,27 +89,35 @@ public class publicFun
     public static string chagenDate(DateTime? date)//因為欄位值是nullable, 所以把null的處理拉進函數做
     { //可改公用
       //農曆年
-        ChineseLunisolarCalendar chineseDate = new ChineseLunisolarCalendar();
+        if (date == null) return null;
+        
+        DateTime d = date.Value;
+        
+        // 使用 tyme4net 方法
         try
         {
-            if (date != null)
+            var solarDay = SolarDay.FromYmd(d.Year, d.Month, d.Day);
+            var lunarDay = solarDay.GetLunarDay();
+            
+            int minYear = lunarDay.Year - 1911;
+            return $"民{minYear}年/{lunarDay.ToString().Substring(2)}";
+        }
+        catch (Exception ex)
+        {
+            // 如果 tyme4net 完全失敗，回退到原本的方法
+            try
             {
-                DateTime d = date ?? DateTime.Now;
+                ChineseLunisolarCalendar chineseDate = new ChineseLunisolarCalendar();
                 int yy = chineseDate.GetYear(d) - 1911;
                 int mm = chineseDate.GetMonth(d);
                 int dd = chineseDate.GetDayOfMonth(d);
-                string dstr = $"民{yy}年{mm:00}月{dd:00}日";
-                return dstr;
+                return $"民{yy}年{mm:00}月{dd:00}日";
+            }
+            catch
+            {
+                return $"農曆轉換錯誤: {ex.Message}";
             }
         }
-        catch
-        { //try catch可能會很慢, 已知條件先判斷
-          //return null;
-        }
-        return null;
-        //民國年
-        //System.Globalization.TaiwanCalendar tc = new System.Globalization.TaiwanCalendar();
-        // tc.GetYear(d), tc.GetMonth(d), tc.GetDayOfMonth(d)
     }
 
     #region 刪除檔案 for api