From c786118d6bf68aa0346074c36fa5e607b6021266 Mon Sep 17 00:00:00 2001
From: _Fighter <lylovejava@yeah.net>
Date: Mon, 13 Dec 2021 00:15:58 +0800
Subject: [PATCH] =?UTF-8?q?2021=E5=B9=B412=E6=9C=8811=E6=97=A5?=
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---
 tree/MenuNode.go | 74 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 tree/MenuNode.go

diff --git a/tree/MenuNode.go b/tree/MenuNode.go
new file mode 100644
index 0000000..1042c71
--- /dev/null
+++ b/tree/MenuNode.go
@@ -0,0 +1,74 @@
+package main
+
+import "fmt"
+
+type treeMenuNode struct {
+	name          string
+	perent, child *treeMenuNode
+}
+
+/*
+为结构体定义方法
+
+
+*/
+// 值接收者
+func (node treeMenuNode) print() {
+	fmt.Println(node.name)
+}
+
+//指针接收者
+func (node *treeMenuNode) setName(name string) {
+	if node == nil {
+		fmt.Println(" Setting value to nil node. Ignorde.")
+		return
+	}
+	node.name = name
+}
+
+// 遍历
+func (node *treeMenuNode) traverse() {
+	if node == nil {
+		return
+	}
+	node.perent.traverse()
+	node.print()
+	node.child.traverse()
+}
+
+func main() {
+
+	var menu treeMenuNode
+
+	menu = treeMenuNode{name: "角色管理"}
+	menu.perent = &treeMenuNode{}
+	menu.child = &treeMenuNode{"增加用户", nil, nil}
+	menu.child.child = new(treeMenuNode)
+
+	org := treeMenuNode{name: "xx研发中心"}
+	org.child = &treeMenuNode{"A组", nil, nil}
+
+	nodes := []treeMenuNode{
+		{name: "xxx系统"},
+		{name: "测试"},
+		{"系统管理", &menu, &org},
+	}
+	fmt.Println(nodes)
+
+	fmt.Println("调用自定义方法： ")
+
+	menu.print()
+	menu.child.child.setName("自定义名称")
+	menu.child.child.print()
+
+	var xMenu *treeMenuNode
+	xMenu.setName("测试参数")
+	xMenu = &org
+	xMenu.setName("测试参数2")
+	xMenu.print()
+
+	fmt.Println("  遍历菜单树")
+	menu.traverse()
+	org.traverse()
+
+}
-- 
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