调用方法时通过反射参数是对象类型问题，怎么解决

给你个参考import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException; /**
* Created by IntelliJ IDEA.
* File: TestRef.java
* User: leizhimin
* Date: 2008-1-28 14:48:44
*/
public class TestRef { public static void main(String args[]) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
Foo foo = new Foo("这个橘碧一个Foo对象！");
Class clazz = foo.getClass();
Method m1 = clazz.getDeclaredMethod("outInfo");
Method m2 = clazz.getDeclaredMethod("setMsg", String.class);
Method m3 = clazz.getDeclaredMethod("getMsg");
m1.invoke(foo);
m2.invoke(foo, "重新轮团设置msg信息！");
String msg = (String) m3.invoke(foo);
System.out.println(msg);
}
} class Foo {
private String msg; public Foo(String msg) {
this.msg = msg;
} public void setMsg(String msg) {
this.msg = msg;
} public String getMsg() {
return msg;
} public void outInfo() {
System.out.println("这是腊伍橘测试Java反射的测试类");
}
}