fix(core): 修复LocalDateTime反序列化和微信支付参数验证问题

- 移除JacksonConfig中未使用的LocalDateTimeDeserializer导入
- 增强LocalDateTimeDeserializer支持时间戳格式解析，兼容前端发送的数字时间戳
- 添加构造函数支持自定义日期时间格式器
- 修复ShopDealerWithdrawController中微信支付批次号长度不足问题，使用零填充确保最小长度
- 添加微信支付服务中outBatchNo和outDetailNo参数长度验证规则
- 移除WxTransferService中的冗余代码行

src/main/java/com/gxwebsoft/common/core/config/JacksonConfig.java

@@ -4,7 +4,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
 import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;

src/main/java/com/gxwebsoft/common/core/config/LocalDateTimeDeserializer.java

@@ -1,11 +1,14 @@
 package com.gxwebsoft.common.core.config;
 
 import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonToken;
 import com.fasterxml.jackson.databind.DeserializationContext;
 import com.fasterxml.jackson.databind.JsonDeserializer;
 
 import java.io.IOException;
+import java.time.Instant;
 import java.time.LocalDateTime;
+import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 
 /**
@@ -16,14 +19,43 @@ import java.time.format.DateTimeFormatter;
  */
 public class LocalDateTimeDeserializer extends JsonDeserializer<LocalDateTime> {
 
-    private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+    private final DateTimeFormatter formatter;
+
+    public LocalDateTimeDeserializer() {
+        this(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+    }
+
+    public LocalDateTimeDeserializer(DateTimeFormatter formatter) {
+        this.formatter = formatter;
+    }
 
     @Override
     public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
-        String value = p.getValueAsString();
-        if (value != null && !value.isEmpty()) {
-            return LocalDateTime.parse(value, FORMATTER);
+        JsonToken t = p.currentToken();
+        ZoneId zoneId = ctxt.getTimeZone() != null ? ctxt.getTimeZone().toZoneId() : ZoneId.systemDefault();
+
+        // Accept epoch timestamps (seconds or millis) for compatibility with frontends that send numbers.
+        if (t == JsonToken.VALUE_NUMBER_INT) {
+            long ts = p.getLongValue();
+            // Heuristic: 10+ digits is seconds; 13+ digits is millis (most common in JS).
+            Instant instant = (String.valueOf(Math.abs(ts)).length() >= 13)
+                    ? Instant.ofEpochMilli(ts)
+                    : Instant.ofEpochSecond(ts);
+            return LocalDateTime.ofInstant(instant, zoneId);
         }
-        return null;
+
+        String value = p.getValueAsString();
+        if (value == null || value.isEmpty()) {
+            return null;
+        }
+
+        // Handle numeric timestamps passed as strings, e.g. "1769618486000"
+        if (value.chars().allMatch(Character::isDigit)) {
+            long ts = Long.parseLong(value);
+            Instant instant = (value.length() >= 13) ? Instant.ofEpochMilli(ts) : Instant.ofEpochSecond(ts);
+            return LocalDateTime.ofInstant(instant, zoneId);
+        }
+
+        return LocalDateTime.parse(value, formatter);
     }
 }

src/main/java/com/gxwebsoft/payment/service/WxTransferService.java

@@ -60,9 +60,16 @@ public class WxTransferService {
         if (StrUtil.isBlank(outBatchNo) || !outBatchNo.matches("^[0-9A-Za-z]+$")) {
             throw PaymentException.paramError("outBatchNo不合法（仅允许数字/大小写字母）");
         }
+        // 微信接口限制：商家批次单号长度需在区间内（当前实测最小 5）。
+        if (outBatchNo.length() < 5 || outBatchNo.length() > 32) {
+            throw PaymentException.paramError("outBatchNo长度不合法（要求 5-32）");
+        }
         if (StrUtil.isBlank(outDetailNo) || !outDetailNo.matches("^[0-9A-Za-z]+$")) {
             throw PaymentException.paramError("outDetailNo不合法（仅允许数字/大小写字母）");
         }
+        if (outDetailNo.length() > 32) {
+            throw PaymentException.paramError("outDetailNo长度不合法（最大 32）");
+        }
 
         // 微信要求金额单位为“分”，必须为整数
         long amountFen = amountYuan
@@ -133,4 +140,3 @@ public class WxTransferService {
         return s.substring(0, maxLen);
     }
 }
-

src/main/java/com/gxwebsoft/shop/controller/ShopDealerWithdrawController.java

@@ -138,8 +138,10 @@ public class ShopDealerWithdrawController extends BaseController {
                 return fail("用户openid为空，无法发起微信转账");
             }
 
-            String outBatchNo = "WD" + db.getId();
-            String outDetailNo = "WD" + db.getId() + "D1";
+            // 微信支付批量转账接口对 out_batch_no 有最小长度限制（当前为 >= 5）。
+            // 使用 0 填充，避免如 "WD59" 这种过短导致 PARAM_ERROR。
+            String outBatchNo = String.format("WD%03d", db.getId());
+            String outDetailNo = outBatchNo + "D1";
             String remark = "分销商提现";
             String userName = db.getRealName();