C#反射（取得方法、屬性、變數）

程式結構：

學生字典類（S0001）：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;

namespace Dictionary.Class.S0001
{
    /// <summary>
    /// 學生小字典
    /// </summary>
    public class StudentDict
    {
        /// <summary>
        /// 教師名
        /// </summary>
        private string Teacher = "張老師";
        /// <summary>
        /// 類名稱
        /// </summary>
        public string ClassName = "高三（1）班";
        /// <summary>
        /// 簡單字典類型
        /// </summary>
        public Dictionary<string, string> AttributeDict = new Dictionary<string, string>();

        /// <summary>
        /// 教師名稱
        /// </summary>
        public string TeacherName 
        {
            get { return Teacher; }
            set { Teacher = value; }
        }
        /// <summary>
        /// 建構函式
        /// </summary>
        public StudentDict()
        {
            AttributeDict.Add("01", "張三");
            AttributeDict.Add("02", "李四");
            AttributeDict.Add("03", "王五");
        }
        /// <summary>
        /// 根據序號查詢姓名
        /// </summary>
        /// <param name="strCode"></param>
        /// <returns></returns>
        public string GetStuNameByCode(string strCode)
        {
            return AttributeDict[strCode];
        }
    }
}

學生字典類：（S0002）

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;

namespace Dictionary.Class.S0002
{
    /// <summary>
    /// 學生小字典
    /// </summary>
    public class StudentDict
    {
        /// <summary>
        /// 教師名
        /// </summary>
        private string Teacher = "曹老師";
        /// <summary>
        /// 類名稱
        /// </summary>
        public string ClassName = "高三（2）班";
        /// <summary>
        /// 簡單字典類型
        /// </summary>
        public Dictionary<string, string> AttributeDict = new Dictionary<string, string>();

        /// <summary>
        /// 教師名稱
        /// </summary>
        public string TeacherName
        {
            get { return Teacher; }
            set { Teacher = value; }
        }
        /// <summary>
        /// 建構函式
        /// </summary>
        public StudentDict()
        {
            AttributeDict.Add("01", "趙六");
            AttributeDict.Add("02", "錢七");
            AttributeDict.Add("03", "周八");
        }
        /// <summary>
        /// 根據序號查詢姓名
        /// </summary>
        /// <param name="strCode"></param>
        /// <returns></returns>
        public string GetStuNameByCode(string strCode)
        {
            return AttributeDict[strCode];
        }
    }
} 

Programe主類：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
using System.Reflection;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
            Type type = assembly.GetType("Dictionary.Class.S0002.StudentDict");     //命名空間名 + 類名
            object obj = Activator.CreateInstance(type, true);

            try
            {
                FieldInfo classField = type.GetField("ClassName");
                Console.WriteLine("班級名稱：" + classField.GetValue(obj).ToString());
            }
            catch (Exception ex)
            {
                Console.WriteLine("\t班級名稱擷取失敗：" + ex.Message);
            }

            try
            {
                PropertyInfo TeaNameProperty = type.GetProperty("TeacherName");
                Console.WriteLine("\t教師姓名：" + TeaNameProperty.GetValue(obj, null).ToString());
            }
            catch (Exception ex)
            {
                Console.WriteLine("\t教師姓名擷取失敗：" + ex.Message);
            }

            foreach (FieldInfo field in type.GetFields())
            {
                try
                {
                    if (field.Name == "AttributeDict")
                    {
                        Dictionary<string, string> dict = field.GetValue(obj) as Dictionary<string, string>;

                        foreach (string key in dict.Keys)
                        {
                            Console.WriteLine("\t\t學號：{0} -> 姓名：{1}", key, dict[key]);
                        }
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message.ToString());
                }
            }

            MethodInfo method = type.GetMethod("GetStuNameByCode");
            string strStuName = (string)method.Invoke(obj, new string[] { "02" });
            Console.WriteLine("\t\t學號【{0}】 的學生姓名為：{1}","02",strStuName);

            Console.ReadLine();
        }
    }
}

 

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