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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Reflection;namespace MethodInfoInvokeDemo {public class ReflectTest{public void MethodWithNoParaNoReturn(){Console.WriteLine("不带参数且不返回值的方法");}public string MethodWithNoPara(){Console.WriteLine("不带参数且有返回值的方法");return "MethodWithNoPara";}public string Method1(string str){Console.WriteLine("带参数且有返回值的方法");return str;}public string Method2(string str, int index){Console.WriteLine("带参数且有返回值的方法");return str + index.ToString();}public string Method3(string str, out string outStr){outStr = "bbbb";Console.WriteLine("带参数且有返回值的方法");return str;}public static string StaticMethod(){Console.WriteLine("静态方法");return "cccc";}}class Program{static void Main(string[] args){Type type = typeof(ReflectTest);object reflectTest = Activator.CreateInstance(type);//不带参数且不返回值的方法的调用MethodInfo methodInfo = type.GetMethod("MethodWithNoParaNoReturn");methodInfo.Invoke(reflectTest, null);Console.WriteLine();//不带参数且有返回值的方法的调用methodInfo = type.GetMethod("MethodWithNoPara");Console.WriteLine(methodInfo.Invoke(reflectTest, null).ToString());Console.WriteLine();//带参数且有返回值的方法的调用methodInfo = type.GetMethod("Method1", new Type[]{typeof(string)});Console.WriteLine(methodInfo.Invoke(reflectTest, new object[]{"测试"}).ToString());Console.WriteLine();//带多个参数且有返回值的方法的调用methodInfo = type.GetMethod("Method2", new Type[] { typeof(string), typeof(int) });Console.WriteLine(methodInfo.Invoke(reflectTest, new object[] { "测试", 100 }).ToString());//Console.WriteLine();//methodInfo = type.GetMethod("Method3", new Type[] { typeof(string), typeof(string) });//string outStr = "";//Console.WriteLine(methodInfo.Invoke(reflectTest, new object[] { "测试", outStr }).ToString());Console.WriteLine();//静态方法的调用methodInfo = type.GetMethod("StaticMethod"); Console.WriteLine(methodInfo.Invoke(null, null).ToString());Console.ReadKey();}} }
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