feat新增集合分类工具类，对集合进行分页，并返回一个分页对象，该对象包含分页数据和分页信息。

hutool-core/src/main/java/cn/hutool/v7/core/collection/CollectionPager.java

@@ -0,0 +1,120 @@
+package cn.hutool.v7.core.collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Collection;
+
+/**
+ * 集合分页工具类
+ *
+ * <p>用于对内存中的集合进行分页，并返回分页信息和数据。</p>
+ *
+ * @author Nic
+ * @since 2025-11-30
+ */
+public class CollectionPager {
+
+	/**
+	 * 分页结果类
+	 *
+	 * @param <T> 数据类型
+	 */
+	public static class Page<T> {
+		private final int pageNum;     // 当前页码
+		private final int pageSize;    // 每页大小
+		private final int totalPage;   // 总页数
+		private final int totalCount;  // 总记录数
+		private final List<T> data;    // 当前页数据
+
+		public Page(int pageNum, int pageSize, int totalCount, List<T> data) {
+			this.pageNum = pageNum;
+			this.pageSize = pageSize;
+			this.totalCount = totalCount;
+			this.totalPage = (int) Math.ceil((double) totalCount / pageSize);
+			this.data = data;
+		}
+
+		// Getters
+		public int getPageNum() {
+			return pageNum;
+		}
+
+		public int getPageSize() {
+			return pageSize;
+		}
+
+		public int getTotalPage() {
+			return totalPage;
+		}
+
+		public int getTotalCount() {
+			return totalCount;
+		}
+
+		public List<T> getData() {
+			return data;
+		}
+
+		/**
+		 * 是否有上一页
+		 */
+		public boolean hasPrev() {
+			return pageNum > 1;
+		}
+
+		/**
+		 * 是否有下一页
+		 */
+		public boolean hasNext() {
+			return pageNum < totalPage;
+		}
+
+		/**
+		 * 获取上一页页码
+		 */
+		public int getPrevPage() {
+			return hasPrev() ? pageNum - 1 : pageNum;
+		}
+
+		/**
+		 * 获取下一页页码
+		 */
+		public int getNextPage() {
+			return hasNext() ? pageNum + 1 : pageNum;
+		}
+	}
+
+	/**
+	 * 对集合进行分页
+	 *
+	 * @param <T>        元素类型
+	 * @param collection 集合
+	 * @param pageNum    页码，从1开始
+	 * @param pageSize   每页大小
+	 * @return 分页结果对象
+	 */
+	public static <T> Page<T> paginate(Collection<T> collection, int pageNum, int pageSize) {
+		if (collection == null) {
+			collection = Collections.emptyList();
+		}
+
+		if (pageNum < 1) {
+			pageNum = 1;
+		}
+
+		if (pageSize < 1) {
+			pageSize = 10;
+		}
+
+		List<T> list = new ArrayList<>(collection);
+		int totalCount = list.size();
+		int fromIndex = (pageNum - 1) * pageSize;
+		if (fromIndex >= totalCount) {
+			return new Page<>(pageNum, pageSize, totalCount, Collections.emptyList());
+		}
+
+		int toIndex = Math.min(fromIndex + pageSize, totalCount);
+		List<T> pageData = list.subList(fromIndex, toIndex);
+		return new Page<>(pageNum, pageSize, totalCount, new ArrayList<>(pageData));
+	}
+}

hutool-core/src/test/java/cn/hutool/v7/core/collection/CollectionPagerTest.java

@@ -0,0 +1,20 @@
+package cn.hutool.v7.core.collection;
+
+import org.junit.jupiter.api.Test;
+import java.util.*;
+
+public class CollectionPagerTest {
+
+	@Test
+	public void testPage() {
+		List<String> list = Arrays.asList("a", "b", "c", "d", "e", "f", "g", "h", "i", "j");
+		CollectionPager.Page<String> page = CollectionPager.paginate(list, 2, 3);
+
+		// 获取第2页的数据，每页3条，那么应该返回：["d","e","f"]
+		System.out.println(page.getData()); // [d, e, f]
+		System.out.println(page.getPageNum()); // 2
+		System.out.println(page.getPageSize()); // 3
+		System.out.println(page.getTotalCount()); // 10
+		System.out.println(page.getTotalPage()); // 4
+	}
+}