From 7f6933b05a00bf1ebcbd967e6d448607b37d8bbc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A7=A6=E9=B8=BF=E5=B1=95?= <18031053041@163.com>
Date: Mon, 16 Mar 2026 12:44:38 +0800
Subject: [PATCH] =?UTF-8?q?PDA=E6=94=B6=E8=B4=A7=E6=9F=A5=E8=AF=A2?=
 =?UTF-8?q?=E4=BF=AE=E6=94=B91111?=
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---
 .../LongFromStringDeserializer.java           | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 mhd_wms/src/main/java/com/mhd/wms/interfaces/dto/receiptMaterialDetail/LongFromStringDeserializer.java

diff --git a/mhd_wms/src/main/java/com/mhd/wms/interfaces/dto/receiptMaterialDetail/LongFromStringDeserializer.java b/mhd_wms/src/main/java/com/mhd/wms/interfaces/dto/receiptMaterialDetail/LongFromStringDeserializer.java
new file mode 100644
index 000000000..ca7ef7a5e
--- /dev/null
+++ b/mhd_wms/src/main/java/com/mhd/wms/interfaces/dto/receiptMaterialDetail/LongFromStringDeserializer.java
@@ -0,0 +1,31 @@
+package com.mhd.wms.interfaces.dto.receiptMaterialDetail;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+
+import java.io.IOException;
+
+/**
+ * Long 反序列化器：支持从字符串或数字解析，避免 JavaScript 大整数精度丢失。
+ * 前端应始终以字符串形式传递 uniqueId、parentUniqueId、inUniqueId 等大 Long 字段。
+ */
+public class LongFromStringDeserializer extends JsonDeserializer<Long> {
+
+    @Override
+    public Long deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+        JsonNode node = p.readValueAsTree();
+        if (node == null || node.isNull()) {
+            return null;
+        }
+        if (node.isTextual()) {
+            String s = node.asText();
+            return s == null || s.isEmpty() ? null : Long.parseLong(s.trim());
+        }
+        if (node.isNumber()) {
+            return node.asLong();
+        }
+        return null;
+    }
+}