Unity3D基础UI框架

之前学了刘国柱老师的UI框架加上我自己的理解做了一个UI框架正好可以使用

http://www.cnblogs.com/LiuGuozhu/ 受益颇深

基本UI框架的类图就是这样了

大体是根据MVC加上我的魔改而成的框架，至少我自己暂时觉得还是思路挺清晰的

Panel的切换是使用的Canvas Group的更改透明度，在加上使用

此方法来更改显示顺序和显隐的

其中的界面反向切换是使用的栈后入先出的特性

反向切换是指一个窗口弹出小窗口后，父窗口的Raycast需要取消，下面贴上核心代码

using System.Collections; using System; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI;  public class UIManager :MonoBehaviour {      /// <summary>     /// 单例模式：     /// 1.定义一个静态的对象 在外界访问 内部构造     /// 2.构造方法私有化     /// </summary>     #region 单例模式      private static UIManager _instance;      public static UIManager Instance     {         get         {             if (_instance == null)             {                 UIManager[] instances = FindObjectsOfType<UIManager>();                 if (instances != null)                 {                     _instance = instances[0];                     for (var i = 1; i < instances.Length; i++)                     {                         Destroy(instances[i].gameObject);                     }                 }             }             return _instance;         }     }      #endregion       private Transform _canvas;     public Transform Canvas     {         get         {             if (_canvas == null)                 _canvas = GameObject.Find("Canvas").transform;             return _canvas;         }     }     //存储所有面板prefab的地址     private Dictionary<UIPanelType, string> _DicPanelPath;     //存储所有实例化的面板身上的BasePanel组件     private Dictionary<UIPanelType, BasePanel> _DicPanel;     //存储所有显示的面板上的BasePanel组件     private Dictionary<UIPanelType, BasePanel> _DicShowPanel;     //表示显示面板的栈     private Stack<BasePanel> _StackPanel;     //全屏显示的节点     private Transform _TraFullScreen = null;     //固定显示的节点     private Transform _TraFixed = null;     //弹出节点     private Transform _TraPopUp = null;     ////脚本节点     //private Transform _TraScript = null;       private void Awake()     {         ParseUIPanelPathJson();         _StackPanel = new Stack<BasePanel>();         _DicPanel = new Dictionary<UIPanelType, BasePanel>();         _DicShowPanel = new Dictionary<UIPanelType, BasePanel>();         _TraFullScreen = Canvas.Find("FullScreen");         _TraFixed = Canvas.Find("Fixed");         _TraPopUp = Canvas.Find("PopUp");         DontDestroyOnLoad(Canvas.gameObject);         //_TraScript = Canvas.Find("Script");     }        /// <summary>     /// 把类型为反向切换的窗体入栈     /// </summary>     /// <param name="type"></param>     private void PushPanel(UIPanelType type)     {         BasePanel basePanel = GetPanel(type);         if (_StackPanel.Count >= 1)         {             BasePanel topPanel = _StackPanel.Peek();             topPanel.OnPause();         }         _StackPanel.Push(basePanel);         basePanel.OnEnter();     }      /// <summary>     /// 把类型为反向切换的窗体出栈     /// </summary>     /// <param name="type"></param>     private void PopPanel(UIPanelType type)     {         //如果栈里面为空，则返回         if (_StackPanel.Count <= 0) return;         BasePanel basePanel = GetPanel(type);         BasePanel topPanel = _StackPanel.Peek();         //如果当前要出栈的界面跟栈顶界面相同时 才会出栈         if(basePanel.gameObject == topPanel.gameObject)         {             _StackPanel.Pop();             topPanel.OnExit();             //如果出栈后栈里面还有界面则恢复             if(_StackPanel.Count >= 1)             {                 _StackPanel.Peek().OnResume();             }         }         else         {             Debug.LogError("栈顶界面不是此界面，请检查进出栈！！");         }              }      /// <summary>     /// 显示界面     /// </summary>     /// <param name="type"></param>     public void ShowUIForms(UIPanelType type)     {         BasePanel basePanel = GetPanel(type);         switch (basePanel.uiType.uiFormShowMode)         {             case UIFormShowMode.Normal:                 EnterUIFormsCache(type);                 break;             //如果是反切换类型则入栈             case UIFormShowMode.ReverseChange:                 PushPanel(type);                 break;             //如果是隐藏其他的类型，清空显示的界面             case UIFormShowMode.HideOther:                 HideOtherPanel(type);                 break;         }     }      /// <summary>     /// 隐藏界面 如果显示界面字典里面存在此界面     /// </summary>     /// <param name="type"></param>     public void HideUIForms(UIPanelType type)     {         BasePanel basePanel = GetPanel(type);          switch (basePanel.uiType.uiFormShowMode)         {             case UIFormShowMode.Normal:                 HideUIFormsCache(type);                 break;             //如果是反切换类型则出栈             case UIFormShowMode.ReverseChange:                 PopPanel(type);                 break;             case UIFormShowMode.HideOther:                 HideUIFormsCache(type);                 break;         }     }      /// <summary>     /// 隐藏除此之外的Panel，如果不赋值则清空所有     /// </summary>     /// <param name="type"></param>     public void HideOtherPanel(UIPanelType type = UIPanelType.Null)     {         foreach (KeyValuePair<UIPanelType,BasePanel> item in _DicShowPanel)         {             item.Value.OnExit();         }         _DicShowPanel.Clear();         if (type != UIPanelType.Null)         {             BasePanel basePanel = GetPanel(type);             basePanel.OnEnter();             _DicShowPanel.Add(type, GetPanel(type));         }                  }      /// <summary>     /// 将UI加入到已显示面板的字典中     /// </summary>     /// <param name="type"></param>     private void EnterUIFormsCache(UIPanelType type)     {         //如果显示面板字典里面有当前面板则返回         if (_DicShowPanel.ContainsKey(type)) return;         BasePanel basePanel = GetPanel(type);         _DicShowPanel.Add(type, basePanel);         basePanel.OnEnter();     }      /// <summary>     /// 将UI隐藏     /// </summary>     /// <param name="type"></param>     private void HideUIFormsCache(UIPanelType type)     {         //如果显示面板字典里面没有当前面板则返回         if (!_DicShowPanel.ContainsKey(type)) return;         BasePanel basePanel = GetPanel(type);         _DicShowPanel.Remove(type);         basePanel.OnExit();     }      /// <summary>     /// 根据面板类型得到实例化的面板     /// </summary>     /// <param name="type"></param>     /// <returns></returns>     private BasePanel GetPanel(UIPanelType type)     {         if (_DicPanel.ContainsKey(type))         {             return _DicPanel[type];         }         else         {             //如果找不到就找这个面板的prefab的路径，然后根据prefab去实例化面板             BasePanel panel;             string panelPath = _DicPanelPath.GetValue(type);             GameObject insGo = GameObject.Instantiate(Resources.Load(panelPath),Canvas) as GameObject;             insGo.name = type.ToString();             panel = insGo.GetComponent<BasePanel>();             switch (panel.uiType.uIFormParentType)             {                 case UIFormParentType.FUllScreen:                     insGo.transform.SetParent(_TraFullScreen);                     break;                 case UIFormParentType.Fixed:                     insGo.transform.SetParent(_TraFixed);                     break;                 case UIFormParentType.PopUp:                     insGo.transform.SetParent(_TraPopUp);                     break;             }             _DicPanel.Add(type, panel);             return panel;         }     }      #region 解析地址json 并存储到字典中          private void ParseUIPanelPathJson()     {         TextAsset text = Resources.Load<TextAsset>("UIPanelType");         JSONObject jSONObject = new JSONObject(text.text);         if (_DicPanelPath == null)             _DicPanelPath = new Dictionary<UIPanelType, string>();         foreach (JSONObject item in jSONObject.list)         {             string panelTypeString = item["panelTypeString"].str;             string path = item["path"].str;             UIPanelType uIPanelType = (UIPanelType)System.Enum.Parse(typeof(UIPanelType), panelTypeString);             _DicPanelPath.Add(uIPanelType, path);         }     }      #endregion  } 

using System.Collections; using System; using System.Collections.Generic; using UnityEngine;  public class UIType  {      /// <summary>     /// panel类别     /// </summary>     public UIPanelType uiPanelType;     /// <summary>     /// Panel的显示方式，有正常显示，隐藏其他和反向切换     /// </summary>     public UIFormShowMode uiFormShowMode = UIFormShowMode.Normal;     /// <summary>     /// 这个透明度暂时没用     /// </summary>     public UIFormLucencyType uIFormLucencyType = UIFormLucencyType.Lucency;     /// <summary>     /// Panel的父物体类型     /// </summary>     public UIFormParentType uIFormParentType = UIFormParentType.PopUp; 

代码比较多，不过都有贴心的注释

文章来源: Unity3D基础UI框架