From f608d7de247bac0cf04c4bd9ea1966e9588cf405 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=99=A8=E6=99=A8?= <2050365570a@gmail.com>
Date: Sun, 4 Feb 2024 09:11:13 +0000
Subject: [PATCH] =?UTF-8?q?MapUtil=E6=B7=BB=E5=8A=A0=E6=8C=89=E5=9B=BA?=
 =?UTF-8?q?=E5=AE=9A=E5=A4=A7=E5=B0=8F=E5=88=92=E5=88=86Map=E7=9A=84?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95?=
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Signed-off-by: 晨晨 <2050365570a@gmail.com>
---
 .../main/java/cn/hutool/core/map/MapUtil.java | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java b/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java
index 62aa933ee..f6c9b7e64 100755
--- a/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java
@@ -1519,4 +1519,30 @@ public class MapUtil {
 		}
 		return value;
 	}
+
+	/**
+     * 将一个Map按照固定大小拆分成多个子Map
+     *
+     * @param map  Map
+     * @param size 子Map的大小
+     * @return 子Map列表
+     */
+	public static <K, V> List<Map<K, V>> partition(Map<K, V> map, int size) {
+        if (map == null) {
+            throw new NullPointerException("Map must not be null");
+        } else if (size <= 0) {
+            throw new IllegalArgumentException("Size must be greater than 0");
+        }
+        List<Map<K, V>> list = new ArrayList<>();
+        Iterator<Map.Entry<K, V>> iterator = map.entrySet().iterator();
+        while (iterator.hasNext()) {
+            Map<K, V> subMap = new HashMap<>(size);
+            for (int i = 0; i < size && iterator.hasNext(); i++) {
+                Map.Entry<K, V> entry = iterator.next();
+                subMap.put(entry.getKey(), entry.getValue());
+            }
+            list.add(subMap);
+        }
+        return list;
+    }
 }