From d29a7adc9a0cb5dde13abe16985bb66f6e375c00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=96=AF=E7=8B=82=E7=9A=84=E7=8B=AE=E5=AD=90li?=
 <15040126243@163.com>
Date: Thu, 29 Jul 2021 14:28:08 +0800
Subject: [PATCH] =?UTF-8?q?update=20=E6=9B=B4=E6=96=B0=20BigNumberSerializ?=
 =?UTF-8?q?er=20=E6=B3=A8=E9=87=8A?=
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---
 .../jackson/BigNumberSerializer.java          | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/jackson/BigNumberSerializer.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/jackson/BigNumberSerializer.java
index 792da8b3..94c63afa 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/jackson/BigNumberSerializer.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/jackson/BigNumberSerializer.java
@@ -7,11 +7,23 @@ import com.fasterxml.jackson.databind.ser.std.NumberSerializer;
 
 import java.io.IOException;
 
+/**
+ * 超出 JS 最大最小值 处理
+ *
+ * @author Lion Li
+ */
 @JacksonStdImpl
 public class BigNumberSerializer extends NumberSerializer {
 
-	private static final long JS_NUM_MAX = 9007199254740992L;
-	private static final long JS_NUM_MIN = -9007199254740992L;
+	/**
+	 * 根据 JS Number.MAX_SAFE_INTEGER 与 Number.MIN_SAFE_INTEGER 得来
+	 */
+	private static final long MAX_SAFE_INTEGER = 9007199254740991L;
+	private static final long MIN_SAFE_INTEGER = -9007199254740991L;
+
+	/**
+	 * 提供实例
+	 */
 	public static final BigNumberSerializer INSTANCE = new BigNumberSerializer(Number.class);
 
 	public BigNumberSerializer(Class<? extends Number> rawType) {
@@ -20,7 +32,8 @@ public class BigNumberSerializer extends NumberSerializer {
 
 	@Override
 	public void serialize(Number value, JsonGenerator gen, SerializerProvider provider) throws IOException {
-		if (value.longValue() >= JS_NUM_MIN && value.longValue() <= JS_NUM_MAX) {
+		// 超出范围 序列化位字符串
+		if (value.longValue() > MAX_SAFE_INTEGER && value.longValue() < MIN_SAFE_INTEGER) {
 			super.serialize(value, gen, provider);
 		} else {
 			gen.writeString(value.toString());