Tree add 类型校验

hutool-core/src/main/java/cn/hutool/core/lang/tree/TreeBuilder.java

@@ -171,6 +171,32 @@ public class TreeBuilder<E> implements Builder<Tree<E>> {
 		return append(map);
 	}
 
+	/**
+	 * 增加节点列表，增加的节点是不带子节点的
+	 *
+	 * @param list       Bean列表
+	 * @param <T>        Bean类型
+	 * @param nodeParser 节点转换器，用于定义一个Bean如何转换为Tree节点
+	 * @return this
+	 */
+	public <T> TreeBuilder<E> append(List<T> list, E rootId, NodeParser<T, E> nodeParser) {
+		checkBuilt();
+
+		final TreeNodeConfig config = this.root.getConfig();
+		final Map<E, Tree<E>> map = new LinkedHashMap<>(list.size(), 1);
+		Tree<E> node;
+		for (T t : list) {
+			node = new Tree<>(config);
+			nodeParser.parse(t, node);
+			if (!rootId.getClass().equals(node.getId().getClass())) {
+				throw new IllegalArgumentException("rootId type is node.getId().getClass()!");
+			}
+			map.put(node.getId(), node);
+		}
+		return append(map);
+	}
+
+
 
 	/**
 	 * 重置Builder，实现复用

hutool-core/src/main/java/cn/hutool/core/lang/tree/TreeUtil.java

@@ -123,7 +123,7 @@ public class TreeUtil {
 	 */
 	public static <T, E> Tree<E> buildSingle(List<T> list, E rootId, TreeNodeConfig treeNodeConfig, NodeParser<T, E> nodeParser) {
 		return TreeBuilder.of(rootId, treeNodeConfig)
-				.append(list, nodeParser).build();
+				.append(list, rootId, nodeParser).build();
 	}
 
 	/**

hutool-core/src/test/java/cn/hutool/core/lang/tree/Issues2538Test.java

@@ -0,0 +1,91 @@
+package cn.hutool.core.lang.tree;
+
+import org.junit.Assert;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Issues2538Test {
+
+	@org.junit.Test
+	public void issues2538Test() {
+		Test test1 = new Test();
+		test1.setId(1);
+		test1.setParentId(0);
+		test1.setName("1");
+		Test test2 = new Test();
+		test2.setId(2);
+		test2.setParentId(1);
+		test2.setName("1");
+
+		List<Test> list = new ArrayList<>();
+
+		list.add(test1);
+		list.add(test2);
+		// 配置
+		TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
+		// 自定义属性名 都要默认值的
+		treeNodeConfig.setIdKey("id");
+		treeNodeConfig.setDeep(Integer.MAX_VALUE);
+		treeNodeConfig.setParentIdKey("parentId");
+
+		// 转换器
+		List<Tree<Object>> treeNodes = TreeUtil.build(list, 0L,
+				treeNodeConfig,
+				(treeNode, tree) -> {
+					tree.setId(treeNode.getId());
+					tree.setParentId(treeNode.getParentId());
+					tree.setName(treeNode.getName());
+					tree.setWeight(null);
+				});
+
+		Assert.assertNotNull(treeNodes);
+
+		try {
+			// 转换器
+			treeNodes = TreeUtil.build(list, "0",
+					treeNodeConfig,
+					(treeNode, tree) -> {
+						tree.setId(treeNode.getId());
+						tree.setParentId(treeNode.getParentId());
+						tree.setName(treeNode.getName());
+						tree.setWeight(null);
+					});
+		}catch (Exception e) {
+			Assert.assertEquals(e.getClass(), IllegalArgumentException.class);
+		}
+	}
+
+	public static class Test {
+
+		private long id;
+
+		private long parentId;
+
+		private String name;
+
+		public long getId() {
+			return id;
+		}
+
+		public void setId(long id) {
+			this.id = id;
+		}
+
+		public long getParentId() {
+			return parentId;
+		}
+
+		public void setParentId(long parentId) {
+			this.parentId = parentId;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+	}
+}