獅子內心的OS

   1: using System;

   2: using System.Collections.Generic;

   3: using System.Linq;

   4: using System.Text;

   5:  

   6: namespace ReflectionPractice_EntityClass

   7: {

   8:     public class Calcuator

   9:     {

  10:         public Calcuator() { }

  11:         private double _number;

  12:         public double Number { get { return _number; } set { _number = value; } }

  13:         public void Clear() { DoClear(); }

  14:         private void DoClear() { Console.WriteLine("Clear!"); }

  15:         public double Add(double number) { return Number += number; }

  16:         public static double Pi { get { return 3.1415926d; } }

  17:         public static double GetPi() { return Pi; }

  18:     }

  19: }

   1: using System;

   2: using System.Collections.Generic;

   3: using System.Linq;

   4: using System.Text;

   5: using System.Reflection;

   6: using RefelctionPractice_Interface;

   7: using System.Data;

   8:  

   9: namespace ReflectionPractice_CS

  10: {

  11:   class Program

  12:   {

  13:     static void Main(string[] args)

  14:     {

  15:       LoadCalcuator();

  16:       Console.ReadLine();

  17:     }

  18: public static void LoadCalcuator()

  19: {

  20:   //取得程式執行位置

  21:   Console.WriteLine(System.IO.Path.GetFullPath("./"));

  22:   //載入dll

  23:   Assembly testAssembly = Assembly.LoadFile(@System.IO.Path.GetFullPath("./") + "ReflectionPractice_EntityClass.dll");

  24:   //映射型別

  25:   Type calcType = testAssembly.GetType("ReflectionPractice_EntityClass.Calcuator");

  26:   //建立實體

  27:   object calcInstance = Activator.CreateInstance(calcType);

  28:  

  29:   //取得屬性

  30:   PropertyInfo numberPropertyInfo = calcType.GetProperty("Number");

  31:   double value = (double)numberPropertyInfo.GetValue(calcInstance, null);

  32:   Console.WriteLine(value);

  33:   //設定屬性

  34:   numberPropertyInfo.SetValue(calcInstance, 10.0, null);

  35:   Console.WriteLine((double)numberPropertyInfo.GetValue(calcInstance, null));

  36:  

  37:   //調用public方法

  38:   calcType.InvokeMember("Clear", BindingFlags.InvokeMethod | BindingFlags.Instance | BindingFlags.Public, null, calcInstance, null);

  39:   //調用private方法

  40:   calcType.InvokeMember("DoClear", BindingFlags.InvokeMethod | BindingFlags.Instance | BindingFlags.NonPublic, null, calcInstance, null);

  41:   //調用方法帶參數

  42:   double addvalue = (double)calcType.InvokeMember("Add", BindingFlags.InvokeMethod | BindingFlags.Instance | BindingFlags.Public,

  43:       null, calcInstance, new object[] { 20.0 });

  44:   Console.WriteLine(addvalue);

  45:  

  46:   //取得靜態唯讀屬性

  47:   PropertyInfo piPropertyInfo = calcType.GetProperty("Pi");

  48:   Console.WriteLine(piPropertyInfo.GetValue(calcInstance, null));

  49:   //調用靜態方法

  50:   double piValue = (double)calcType.InvokeMember("GetPi", BindingFlags.InvokeMethod | BindingFlags.Static | BindingFlags.Public, null, null, null);

  51:   Console.WriteLine(piValue);

  52:  

  53:   //取得private field

  54:   double number = (double)calcType.InvokeMember("_number", BindingFlags.GetField | BindingFlags.Instance | BindingFlags.NonPublic,

  55:       null, calcInstance, null);

  56:   Console.WriteLine(number);

  57: }

  58:  

  59: }