client.java

计算价格的例子

package com.client;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.rmi.RemoteException;
import java.util.Properties;
import javax.ejb.CreateException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException; 
import com.interfaces.CalculatorHome;
import com.interfaces.Calculator;

public class Client {
	public static void main(String[] args)
	{
		Properties properties=new Properties();
		properties.setProperty(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
		properties.setProperty(Context.PROVIDER_URL,"t3://localhost:7001");
		Context context;
		try {
			context = new InitialContext(properties);
			CalculatorHome ch=(CalculatorHome)context.lookup("ejb/Calculator");
			Calculator cal=ch.create();
			InputStreamReader inputReader = new InputStreamReader(System.in);
			BufferedReader reader = new BufferedReader(inputReader);
			System.out.print("输入商品总价：	");
			double totalPrice = Double.parseDouble(reader.readLine());
			double s=cal.calculator(totalPrice);
			System.out.print("付款金额：	");
			System.out.println(s);
		} catch (NamingException e) {
			e.printStackTrace();
		} catch (RemoteException e) {
			e.printStackTrace();
		} catch (CreateException e) {
			e.printStackTrace();
		} catch (NumberFormatException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		} catch (IOException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}
	}
}