feat:第一次提交

2025-10-17 18:33:29 +08:00
commit 79780d8b3a
26 changed files with 1372 additions and 0 deletions
@@ -0,0 +1,73 @@
+namespace NapCatRobotClient.Core
+{
+    public class Utils
+    {
+        /// <summary>
+        /// 格式化数字为中文单位
+        /// </summary>
+        /// <param name="number"></param>
+        /// <returns></returns>
+        public static string FormatNumberToChineseUnit(decimal number)
+        {
+            if (number >= 100000000) // 亿
+            {
+                decimal value = number / 100000000.0M;
+                return $"{value:0.#}亿";
+            }
+            else if (number >= 10000) // 万
+            {
+                decimal value = number / 10000.0M;
+                return $"{value:0.#}万";
+            }
+            else
+            {
+                return number.ToString();
+            }
+        }
+
+        /// <summary>
+        /// 解析中文数字
+        /// </summary>
+        /// <param name="chineseNumber"></param>
+        /// <returns></returns>
+        public static decimal ParseChineseNumber(string chineseNumber)
+        {
+            if (string.IsNullOrWhiteSpace(chineseNumber)) return 0;
+
+            chineseNumber = chineseNumber.Trim();
+
+            decimal multiplier = 1;
+            if (chineseNumber.Contains("亿"))
+                multiplier = 100000000;
+            else if (chineseNumber.Contains("万"))
+                multiplier = 10000;
+            var numberPart = chineseNumber.Replace("亿", "").Replace("万", "");
+            if (!decimal.TryParse(numberPart, out decimal value)) return 0;
+
+            return value * multiplier;
+        }
+
+        /// <summary>
+        /// 计算手续费
+        /// </summary>
+        /// <param name="amount"></param>
+        /// <returns></returns>
+        public static decimal CalculateFee(decimal amount)
+        {
+            decimal rate = 0;
+
+            if (amount < 500_0000)           // 0 ~ 499w
+                rate = 0.05m;                // 5%
+            else if (amount < 1000_0000)     // 500 ~ 999w
+                rate = 0.10m;                // 10%
+            else if (amount < 1500_0000)     // 1000 ~ 1499w
+                rate = 0.15m;                // 15%
+            else if (amount < 2000_0000)     // 1500 ~ 1999w
+                rate = 0.20m;                // 20%
+            else                             // 2000w以上
+                rate = 0.30m;                // 30%
+
+            return amount * rate;
+        }
+    }
+}