EJB 有/无状态会话bean的创建和部署运行

1. 导入jboss-client中的所有jar包（jboss5，jboss7中只有一个jar包直接导入即可）
2. 创建接口

   package inter;
   
   public interface hello {
   
   	public void sayHello();
   }
   

3.  创建实现类

   package imple;
   
   import inter.hello;
   
   import javax.ejb.Remote;
   import javax.ejb.Stateless;
   @Stateless//无状态
   @Remote(value=hello.class)
   public class hellobea implements hello {
   
   	@Override
   	public void sayHello() {
   		// TODO Auto-generated method stub
   
   		System.out.println("hello");
   	}
   
   }
   

   package imple;
   
   import inter.hello;
   
   import javax.ejb.Remote;
   import javax.ejb.Stateful;
   
   @Stateful//有状态
   @Remote(value=hello.class)
   public class helloworld2 implements hello {
   
   	@Override
   	public void sayHello() {
   		// TODO Auto-generated method stub
   		System.out.println("hi");
   	}
   
   	
   }
   

4. 添加build.xml文件

    

   <?xml version="1.0" encoding="UTF-8"?>
   
   <project name="HelloWorld" default="ejbjar" basedir=".">
     
     <property name="src.dir" value="${basedir}\src" />
   	<property environment="env" />
   	<property name="jboss.home" value="${env.JBOSS_HOME}" />
   	<property name="jboss.server.config" value="default" />
   	<property name="build.dir" value="${basedir}\build" />
   
   	
   	<path id="build.classpath">
   		<fileset dir="${jboss.home}\client">
   			<include name="*.jar" />			
   		</fileset>
   		<pathelement location="${build.dir}" />
   	</path>
   
   	
   	<target name="prepare">
   		<delete dir="${build.dir}" />
   		<mkdir dir="${build.dir}" />
   	</target>
   
   	
   	<target name="compile" depends="prepare" description="编绎">
   		<javac srcdir="${src.dir}" destdir="${build.dir}" debug="on" encoding="UTF-8">
   			
   			<classpath refid="build.classpath" />
   		</javac>
   	</target>
   
   	<target name="ejbjar" depends="compile" description="创建EJB发布包">
   		<jar jarfile="${basedir}\${ant.project.name}.jar">
   			<fileset dir="${build.dir}">
   				<include name="**/*.class" />
   			</fileset>
   		</jar>
   	</target>
   
   	<target name="deploy" depends="ejbjar" description="发布EJB">
   		<copy file="${basedir}\${ant.project.name}.jar" todir="${jboss.home}\server\${jboss.server.config}\deploy" />
   	</target>
   
   	
   	<target name="undeploy" description="卸载EJB">
   		<delete file="${jboss.home}\server\${jboss.server.config}\deploy\${ant.project.name}.jar" />
   	</target>
   
   </project>
   

5. （myeclipse）点击项目，export（导出），导出文件类型为 jar，保存到 jboss/server/default/deploy （jboss5）目录下

6. 通过build-path 或者复制刚刚的 jar 文件将其导入到一个新项目中

7. 在新项目中编写测试类

   package client;
   
   import inter.hello;
   
   import javax.naming.Context;
   import javax.naming.InitialContext;
   import javax.naming.NamingException;
   
   public class test {
   
   	/**
   	 * @param args
   	 * @throws NamingException 
   	 */
   	public static void main(String[] args) throws NamingException {
   		// TODO Auto-generated method stub
   
   		Context ctx = new InitialContext();
   		hello h = (hello)ctx.lookup("hellobea/remote");
   		h.sayHello();
   		hello h2 = (hello)ctx.lookup("helloworld2/remote");
   		h2.sayHello();
   	}
   
   }
   

8. 启动 jboss 服务器然后执行程序就可以了