初始化 字典 包

common/src/main/java/net/rzdata/demo/trait/TreeNode.java

@@ -0,0 +1,18 @@
+package net.rzdata.demo.trait;
+
+import java.util.List;
+
+public interface TreeNode<T extends TreeNode<T, ID>, ID> {
+
+    ID getId();
+
+    ID getParentId();
+
+    List<T> getChildren();
+
+    void setChildren(List<T> children);
+
+    default boolean isLeaf() {
+        return getChildren() == null;
+    }
+}