优化邮件解析正则表达式，增强交易信息提取能力；调整界面样式，增加删除功能

Service/EmailParseServices/EmailParseForm95555.cs

@@ -35,13 +35,16 @@ public class EmailParseForm95555(
         DateTime? occurredAt
     )[]> ParseEmailContentAsync(string emailContent)
     {
+        // 示例1：您账户8826于12月31日09:34在财付通-微信支付-这有电快捷支付1.00元，余额30.21
+        // 示例2: 您账户8826于12月31日10:47入账款项，人民币1000.00，余额人民币1030.21。
         var pattern =
-            "您账户(?<card>\\d+)" +                        
-            "于.*?" +                                    // 时间等信息统统吞掉
-            "(?:(?<type>收入|支出|消费|转入|转出).*?)?" +   // 可选 type
-            "(?:在(?<reason>.*?))?" +                    // 可选 reason（“财付通-微信支付-这有电快捷支付”）
-            "(?<amount>\\d+\\.\\d{1,2})元，余额" +         
-            "(?<balance>\\d+\\.\\d{1,2})";
+            "您账户(?<card>\\d+)" +                                   // 卡号
+            "于(?<time>\\d{1,2}月\\d{1,2}日\\d{1,2}:\\d{2})" +        // 交易时间
+            "(?:(?<type>收入|支出|消费|转入|转出|入账款项))?" +          // 交易类型（可选）
+            "(?:在(?<reason>[^\\d，。]*?))?" +                        // 交易原因（可选）
+            "，?(?:人民币)?(?<amount>\\d+\\.\\d{1,2})(?:元)?" +        // 金额，“元” 可有可无
+            "，余额(?:人民币)?(?<balance>\\d+\\.\\d{1,2})" +           // 余额
+            "。?";                                                   // 句号可有可无
 
         var matches = Regex.Matches(emailContent, pattern);
 
@@ -63,10 +66,14 @@ public class EmailParseForm95555(
         foreach (Match match in matches)
         {
             var card = match.Groups["card"].Value;
-            var reason = match.Groups["reason"].Value;
             var amountStr = match.Groups["amount"].Value;
             var balanceStr = match.Groups["balance"].Value;
             var typeStr = match.Groups["type"].Value;
+            var reason = match.Groups["reason"].Value;
+            if(string.IsNullOrEmpty(reason))
+            {
+                reason = typeStr;
+            }
 
             if (!string.IsNullOrEmpty(card) &&
                 !string.IsNullOrEmpty(reason) &&
@@ -74,9 +81,27 @@ public class EmailParseForm95555(
                 decimal.TryParse(balanceStr, out var balance))
             {
                 var type = DetermineTransactionType(typeStr, reason, amount);
-                results.Add((card, reason, amount, balance, type, null));
+                var occurredAt = ParseOccurredAt(match.Groups["time"].Value);
+                results.Add((card, reason, amount, balance, type, occurredAt));
             }
         }
         return results.ToArray();
     }
+
+    private DateTime? ParseOccurredAt(string value)
+    {
+        // "12月31日09:34"
+        var now = DateTime.Now;
+        var dateTimeStr = $"{now.Year}年{value}";
+        if (DateTime.TryParse(dateTimeStr, out var occurredAt))
+        {
+            // 如果解析结果在未来，说明是上一年的交易
+            if (occurredAt > now)
+            {
+                occurredAt = occurredAt.AddYears(-1);
+            }
+            return occurredAt;
+        }
+        return null;
+    }
 }