From e9bfa1396ff47d171b3052a606e0931e6f93cc9c Mon Sep 17 00:00:00 2001
From: houzhongjian <houzhongyi@126.com>
Date: 星期四, 10 四月 2025 12:05:23 +0800
Subject: [PATCH] 还原framework代码
---
iailab-framework/iailab-common-web/src/main/java/com/iailab/framework/jackson/core/databind/NumberSerializer.java | 37 +++++++++++++++++++++++++++++++++++++
1 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/iailab-framework/iailab-common-web/src/main/java/com/iailab/framework/jackson/core/databind/NumberSerializer.java b/iailab-framework/iailab-common-web/src/main/java/com/iailab/framework/jackson/core/databind/NumberSerializer.java
new file mode 100644
index 0000000..53a6a75
--- /dev/null
+++ b/iailab-framework/iailab-common-web/src/main/java/com/iailab/framework/jackson/core/databind/NumberSerializer.java
@@ -0,0 +1,37 @@
+package com.iailab.framework.jackson.core.databind;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
+
+import java.io.IOException;
+
+/**
+ * Long 序列化规则
+ *
+ * 会将超长 long 值转换为 string，解决前端 JavaScript 最大安全整数是 2^53-1 的问题
+ *
+ * @author 星语
+ */
+@JacksonStdImpl
+public class NumberSerializer extends com.fasterxml.jackson.databind.ser.std.NumberSerializer {
+
+ private static final long MAX_SAFE_INTEGER = 9007199254740991L;
+ private static final long MIN_SAFE_INTEGER = -9007199254740991L;
+
+ public static final NumberSerializer INSTANCE = new NumberSerializer(Number.class);
+
+ public NumberSerializer(Class<? extends Number> rawType) {
+ super(rawType);
+ }
+
+ @Override
+ public void serialize(Number value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+ // 超出范围 序列化位字符串
+ if (value.longValue() > MIN_SAFE_INTEGER && value.longValue() < MAX_SAFE_INTEGER) {
+ super.serialize(value, gen, serializers);
+ } else {
+ gen.writeString(value.toString());
+ }
+ }
+}
--
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