From e9cf0ed8b469ed5886bec57a65ef17c4d19ab2ee Mon Sep 17 00:00:00 2001
From: 0v <630880801@qq.com>
Date: Tue, 28 Oct 2025 10:40:33 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E9=95=BF=E6=95=B4=E5=9E=8B?=
 =?UTF-8?q?=E6=95=B0=E5=80=BC=E5=89=8D=E7=AB=AF=E8=8E=B7=E5=8F=96=E7=B2=BE?=
 =?UTF-8?q?=E5=BA=A6=E4=B8=A2=E5=A4=B1=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../xiaonuo/core/config/JacksonConfigure.java | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/snowy-web-app/src/main/java/vip/xiaonuo/core/config/JacksonConfigure.java b/snowy-web-app/src/main/java/vip/xiaonuo/core/config/JacksonConfigure.java
index 14b4a29b..e66dd167 100644
--- a/snowy-web-app/src/main/java/vip/xiaonuo/core/config/JacksonConfigure.java
+++ b/snowy-web-app/src/main/java/vip/xiaonuo/core/config/JacksonConfigure.java
@@ -5,6 +5,7 @@ import com.fasterxml.jackson.core.JsonStreamContext;
 import com.fasterxml.jackson.databind.JsonSerializer;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
@@ -37,7 +38,7 @@ public class JacksonConfigure {
     public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
         ObjectMapper objectMapper = builder.createXmlMapper(false).build();
 
-        objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
+        objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<>() {
             @Override
             public void serialize(Object value, JsonGenerator gen, SerializerProvider provider) throws IOException {
                 // 若是APP端请求，则处理响应结果字段默认值
@@ -129,6 +130,22 @@ public class JacksonConfigure {
             }
         });
 
+        JsonSerializer<Long> longSerializer = new JsonSerializer<>() {
+            @Override
+            public void serialize(Long value, JsonGenerator gen, SerializerProvider provider) throws IOException {
+                //Long类型值过大到前端造成精度丢失，需转换成String
+                if (Math.abs(value) > 9007199254740991L) {
+                    gen.writeString(value.toString());
+                } else {
+                    gen.writeNumber(value);
+                }
+            }
+        };
+        objectMapper.registerModule(new SimpleModule() {{
+            addSerializer(Long.class, longSerializer);
+            addSerializer(Long.TYPE, longSerializer);
+        }});
+
         return objectMapper;
     }