java 反射取得方法入参类型的泛形

package TestReflectClass;

import java.util.List;

/**
 * Created by wangyang on 2016/12/16.
 */
public class Person {
    public void get(List<A> list){
        
    }
}
class A{}

package TestReflectClass;

import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;

/**
 * Created by wangyang on 2016/12/16.
 */
public class TestReflect {
    public static void main(String[] args) throws ClassNotFoundException, NoSuchMethodException {
        Class<?> aClass = Class.forName("TestReflectClass.Person");
        Method method = aClass.getMethod("get", List.class);
        Type[] genericParameterTypes = method.getGenericParameterTypes();
        for(Type genericParameterType : genericParameterTypes){
            if(genericParameterType instanceof ParameterizedType){
                ParameterizedType aType = (ParameterizedType) genericParameterType;
                Type[] parameterArgTypes = aType.getActualTypeArguments();
                for(Type parameterArgType : parameterArgTypes){
                    Class parameterArgClass = (Class) parameterArgType;
                    System.out.println("parameterArgClass = " + parameterArgClass);
                }
            }
        }
    }
}