📄 teststatefulaccount.java

📁 J2EE 技术源码书籍源代码（j2ee编程技术）

💻 JAVA

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/*
 * Created on 2004-4-5
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package com.ejbstudy;

import java.io.IOException;
import java.io.PrintWriter;

import javax.naming.InitialContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;

/**
 * @author 郝玉龙
 *
 * To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
public class TestStatefulAccount extends HttpServlet {
	public void service(ServletRequest request, ServletResponse response)
	throws ServletException, IOException {
		//TODO Method stub generated by Lomboz
		response.setContentType("text/html");
		PrintWriter out =response.getWriter();
		out.println("<html><head><title>the Stateful EJB Test</title></head>");
		try{
		InitialContext ctx=new InitialContext();
		Object objRef = ctx.lookup("StatefulAccountBean");
//		主接口
		StatefulAccountHome
		home=(StatefulAccountHome)javax.rmi.PortableRemoteObject.narrow(
		objRef,StatefulAccountHome.class);
//		组件接口
		StatefulAccount account =home.create(500.00);
		out.println("the account balance:"+account.getBalance()+"<br>");
//		向基金帐户增加5000.25
		account.depoist(2389.25);
		out.println("method of depoist(2389.25) Result:"+account.getBalance()+"<br>");
//		从基金帐户调出1000.02
		account.withdraw(1000.02);
		out.println("method of withdraw(1000.02) Result:"+account.getBalance());
		out.println("<hr>");
		out.println("current account balance:"+account.getBalance());
		account=null;
		}catch(javax.naming.NamingException ne){
		out.println("Naming Exception caught:"+ne);
		ne.printStackTrace(out);
		}catch(javax.ejb.CreateException ce){
		out.println("Create Exception caught:"+ce);
		ce.printStackTrace(out);
		}catch(java.rmi.RemoteException re){
		out.println("Remote Exception caught:"+re);
		re.printStackTrace(out);
		}
		catch(Exception e){
			out.println("Remote Exception caught:"+e);
			e.printStackTrace(out);
		}
		out.println("</body></html>");
	}
}

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