From f49bced8b531e90f28d49535a7d520ba2a1d812b Mon Sep 17 00:00:00 2001
From: duandazhi <ab601026460@163.com>
Date: Sat, 20 Aug 2022 20:41:10 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=EF=BC=9A=E5=AF=B9null?=
 =?UTF-8?q?=E5=8F=8B=E5=A5=BD=E7=9A=84=EF=BC=8C=E6=B3=A8=E9=87=8A?=
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---
 .../main/java/cn/hutool/core/comparator/CompareUtil.java  | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java b/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java
index 878baa6a9..268e9b7f0 100644
--- a/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java
@@ -96,6 +96,14 @@ public class CompareUtil {
 	/**
 	 * 获取自然排序器，即默认排序器
 	 *
+	 * <ul>
+	 *     <li>如需对null友好操作如下</li>
+	 *     <li><code>Comparator.nullsFirst(Comparator.naturalOrder())</code></li>
+	 *     <li><code>Comparator.nullsLast(Comparator.naturalOrder())</code></li>
+	 *     <li><code>Comparator.nullsLast(CompareUtil.naturalComparator())</code></li>
+	 *     <li><code>Comparator.nullsFirst(CompareUtil.naturalComparator())</code></li>
+	 * </ul>
+	 *
 	 * @param <E> 排序节点类型
 	 * @return 默认排序器
 	 * @since 5.7.21