【.Net码农】C#反射获取 所有字段 及 私有字段

using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
namespace ReflectionDemo
{
class Program
{
static void Main(string[] args)
{
Type t = typeof(ChangeValue);
Type[] types = new Type[0];//为构造函数准备参数类型
ConstructorInfo ci = t.GetConstructor(types); //获得构造函数
object[] objs = new object[0];//为构造函数准备参数值
object obj = ci.Invoke(objs);//调用构造函数创建对象
MethodInfo mi = t.GetMethod("WriteLine");//获得公有的writeline方法
mi.Invoke(obj, null);
FieldInfo fi = t.GetField("myValue", BindingFlags.NonPublic | BindingFlags.Instance);//获得私有字段
FieldInfo[] fis=t.GetFields(BindingFlags.NonPublic | BindingFlags.Instance|BindingFlags.Public);
Console.WriteLine(fis.Length);
foreach (var fieldInfo in fis)
{
Console.WriteLine( fieldInfo.FieldType+":"+ fieldInfo.Name + ":" + fieldInfo.GetValue(obj) );
}
fi.SetValue(obj, "new Value"); //改写私有字段
mi.Invoke(obj, null);
MethodInfo mi2 = t.GetMethod("Write", BindingFlags.NonPublic | BindingFlags.Instance);//获得私有的Write方法
mi2.Invoke(obj, null);
Console.ReadLine();
}
}
public class ChangeValue
{
private string myValue = "old Value";
public string firstValue = "values1";
public void WriteLine()
{
Console.WriteLine("MyValue is: " + myValue);
}
private void Write()
{
Console.WriteLine("MyValue is: " + myValue);
}
}
}