解析如何使用反射調用類型成員 方法,欄位,屬性

如下所示： 複製代碼 代碼如下: class Program
{
static void Main(string[] args)
{
Type t = typeof(Test);
object result;
Test tc =new Test();
Console.WriteLine("Invoke a static method");
t.InvokeMember("Sayhello",BindingFlags.InvokeMethod | BindingFlags.Static | BindingFlags.Public, null, null, new object[] { });
Console.WriteLine("------------------------");
Console.WriteLine("Invoke a generic method");
List<string> list = new List<string>();
list.Add("GuoHu");
list.Add("LeiHu");
//We should assign the parameter type to generic method By using MakeGenericMethod
MethodInfo mi = t.GetMethod("Print").MakeGenericMethod(typeof(string));
mi.Invoke(null, new object[] { list });
Console.WriteLine("------------------------");
Console.WriteLine("Invoke a instance method");
MethodInfo m = t.GetMethod("Swap");
object[] obj = new object[2];
obj[0] = 123;
obj[1] = 230;
m.Invoke(new Test(), obj);
Console.WriteLine("{0},{1}", obj[0], obj[1]);
Console.WriteLine("------------------------");
Console.WriteLine("output field name");
FieldInfo[] fi = t.GetFields();
foreach (FieldInfo name in fi)
{
Console.WriteLine("{0}",name);
}
Console.WriteLine("------------------------");
Console.WriteLine("Invoke a method with named parameters");
object[] argValues = new object[] { "Guo", "Hu" };
String[] argNames = new String[] { "lastName", "firstName" };
t.InvokeMember("PrintName", BindingFlags.InvokeMethod, null, null, argValues, null, null, argNames);
Console.WriteLine("------------------------");
Console.WriteLine("Get a field value");
result = t.InvokeMember("Name", BindingFlags.GetField | BindingFlags.GetProperty, null, tc, new object[] { });
Console.WriteLine("Name == {0}", result);
Console.WriteLine("------------------------");
Console.WriteLine("Set a field value");
t.InvokeMember("Name", BindingFlags.SetField, null, tc, new object[] { "New value" });
result = t.InvokeMember("Name", BindingFlags.GetField | BindingFlags.GetProperty, null, tc, new object[] { });
Console.WriteLine("Name == {0}",result);
}
}
class Test
{
public string Name;
public Test()
{
Name = "Initilize Name";
}
public static void Sayhello()
{
Console.WriteLine("Sayhello");
}
public static void Print<T>(IEnumerable<T> item)
{
foreach (T t in item)
{
Console.WriteLine("{0}", t);
}
}
public static void PrintName(String firstName, String lastName)
{
Console.WriteLine("{0},{1}", lastName, firstName);
}
public void Swap(ref int a, ref int b)
{
int x = a;
a = b;
b = x;
}
}