java方法参数注解

package cn.ljz.annotation;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)   
@Documented  
@Inherited  

public @interface Test {
	public int id();
	public String name() default "lidong";
	public int age();
	public Test2 test2() default Test2.FILE;
}

package cn.ljz.annotation;

public enum Test2 {
	JSON,
	FMJSON,
	FMLOADJSON,
	FJSON,
	TEXT,
	FILE
}

package cn.ljz.annotation;

import java.lang.annotation.Annotation;
import java.lang.reflect.Method;

public class Main {
	
	public void test1(@Test(id = 0, age = 0) String a){
		
	}
	
	
	public void test2(@Test(id = 0, age = 0,name="yyl") String b){
		
	}
	
	
	public void test3(@Test(id = 10, age = 10,name="yyl") int c){
		
	}
	
	public static void main(String[] args) {
		Method[] m = Main.class.getDeclaredMethods();
		Annotation[][] an = null;
		for(Method method:m){
				 an =  method.getParameterAnnotations();
				 System.out.println(method.getParameterTypes()  );
				if(an.length>0){
					for(int i=0;i<an.length;i++){
						for(int j=0;j<an[i].length;j++){
							Test t = (Test) an[i][j];
							System.out.println(method.getName()+","+t.age()+","+t.id()+","+t.name()+","+t.test2());
						}
					}
				}
				
		}
	}
}