Groovy中Mixin注入

class Helper {	def work() {		PRintln "$name is working"	}}@Mixin(Helper)class AGroovyClass {	def getName() { "AGroovyClass" }}new AGroovyClass().work() // AGroovyClass is working2、调用类的Mixin方法。
class Helper {	def work() {		println "$name is working"	}}class AGroovyClass {	def getName() { "AGroovyClass" }}AGroovyClass.mixin Helpernew AGroovyClass().work() // AGroovyClass is working3、在类的metaClass中调用mixin方法。
class Helper {	def work() {		println "$name is working"	}}class AGroovyClass {	def getName() { "AGroovyClass" }}AGroovyClass.metaClass.mixin Helpernew AGroovyClass().work() // AGroovyClass is working4、多个类mixin。
class Helper {    def work() {        println "$name is working"    }}class Num {    def add(val1, val2) {        println val1 + val2    }}class AGroovyClass {    def getName() { "AGroovyClass" }}AGroovyClass.mixin HelperAGroovyClass.mixin Num// AGroovyClass.metaClass.mixin Helper// AGroovyClass.metaClass.mixin Numnew AGroovyClass().work() // AGroovyClass is workingnew AGroovyClass().add(11, 12) // 23