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Assets/Scripts/UI/Home/HomePanel.cs

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+// 本脚本只在不存在时会生成一次。已存在不会再次生成覆盖
+
+using System.Collections.Generic;
+using FairyGUI;
+using UnityEngine;
+using NBC;
+using UIPanel = NBC.UIPanel;
+
+namespace NBF
+{
+    public partial class HomePanel : UIPanel
+    {
+        private string[] PageNames = new[] { "HomeMainPage", "HomeActivityPage", "HomeRankPage" };
+
+        private List<HomePageBase> _pages = new List<HomePageBase>();
+
+        private HomePageBase _currentPage;
+
+        private List<TabItemData> tabList = new List<TabItemData>();
+
+        protected override void OnInit()
+        {
+            base.OnInit();
+            foreach (var group in PageNames)
+            {
+                var tab = new TabItemData
+                {
+                    // Name = group
+                };
+                tabList.Add(tab);
+            }
+
+
+            Menu.OnTabChange += ChangeTab;
+        }
+
+        protected override void OnShow()
+        {
+            InputManager.Instance.On(this);
+            Menu.SetTabs(tabList);
+            ChangeTab(0);
+        }
+
+        #region UI事件
+
+        [InputInvoke(InputDef.UI.Back, UIInputButtonShowMode.BottomRight)]
+        private void OnBack()
+        {
+            Hide();
+        }
+
+        #endregion
+
+        #region Tab切换
+
+        private void ChangeTab(int index)
+        {
+            if (index < 0) return;
+            Log.Info($"Change tab index={index}");
+            foreach (var page in _pages)
+            {
+                page.Hide();
+            }
+
+            var nowPage = GetPage(index);
+            if (nowPage != null)
+            {
+                nowPage.Show(this);
+                _currentPage = nowPage;
+            }
+        }
+
+        private HomePageBase GetPage(int index)
+        {
+            var page = _pages.Find(t => t.Page == index);
+            if (page == null)
+            {
+                var pageName = PageNames[index];
+                var pageObject = UIPackage.CreateObject(UIPackName, pageName);
+                if (pageObject is HomePageBase homePage)
+                {
+                    Pages.AddChild(homePage);
+                    _pages.Add(homePage);
+                    return homePage;
+                }
+
+                return null;
+            }
+
+            return page;
+        }
+
+        #endregion
+
+
+        protected override void OnHide()
+        {
+            InputManager.Instance.Off(this);
+        }
+
+        protected override void OnDestroy()
+        {
+            base.OnDestroy();
+        }
+    }
+}