標籤:c# 屬性綁定
C#的反射明顯的比AS3的反射要強很多啊。可以從外部存取到類的私人成員。舉個例子:
Type _class = this.GetType(); FieldInfo _field = _class.GetField(@fieldName, BindingFlags.Instance | BindingFlags.NonPublic);
枚舉 : BindingFlags.NonPublic ->非公用成員將包括在內進行搜尋,意思就是private成員也可以搜尋到。
在model中註冊鬚髮的主題(User)
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using BindLib.com;namespace BindDemo.com.model{ public sealed class User : BaseDataModel { private int _hp = 1000; public int Hp { get { return _hp; } //綁定hp(血量) set { this.ChangeValue<int>("Hp","_hp",value); } } private bool _isLive = false; public bool IsLive { get { return _isLive; } set { this.ChangeValue<bool>("IsLive", "_isLive", value); } } }}
這的注意的是欄位_hp和欄位_isLive都是private(私用的): 這個和AS3綁定(見 AS3 屬性綁定/上一篇)有很大的不同,這得益於C#可以從外部存取private
view中需要綁定(註冊偵聽)(UserView)
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using BindLib;namespace BindDemo.com.model{ public sealed class UserView { public User user; private int _hp; public int Hp { set { this._hp = value ; Console.WriteLine("血量 {0}", value); } get { return this._hp; } } public UserView() { user = new User(); BindTools.BindProperty<int>(this, "Hp", user, "Hp", true); BindTools.BindSetter<bool>(this.UpdateIsLive, user, "IsLive",true); } private void UpdateIsLive(bool @isLive) { Console.WriteLine(@isLive ? "活著" : "戰死"); } }}
好了 , 具體參數意思可以參考(《AS3 屬性綁定》篇,上篇)
測試:
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using BindDemo.com.model;namespace BindDemo{ class Program { static void Main(string[] args) { UserView _uM = new UserView(); Console.WriteLine("獲得hp : {0}" , _uM.Hp); User uR = _uM.user; uR.Hp = 89; Console.WriteLine("改變獲得hp : {0}", _uM.Hp); Console.WriteLine("-------------------------------------------------"); uR.IsLive = true; Console.WriteLine("#################################################"); uR.IsLive = false; Console.ReadLine(); } }}
結果:
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本文出自 “Better_Power_Wisdom” 部落格,請務必保留此出處http://aonaufly.blog.51cto.com/3554853/1947974
C# 屬性綁定