1 /** 2  * Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved. 3  * 4  * You may not modify, use, reproduce, or distribute this software except in 5  * compliance with  the terms of the License at: 6  * https://github.com/javaee/tutorial-examples/LICENSE.txt 7  */ 8 package javaeetutorial.hello1; 9 10 11 import javax.enterprise.context.RequestScoped;/*使用请求scope来标识Hello类为管理bean类*/12 import javax.inject.Named;13 14 @Named /*默认bean的类名，可使用@Model来代替*/15 @RequestScoped /*请求scope在web应用程序中的单个HTTP请求期间任然存在*/16 public class Hello {17 18     private String name;/*只有在该类中才能访问name*/19 20     public Hello() {21     }22 23     public String getName() {24         return name;25     }26 27     public void setName(String user_name) {28         this.name = user_name;29     }30 }

 

参考：http://www.cnblogs.com/zgq0/p/8685612.html