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<TD>您現在的位置：<A
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<TD align=middle><FONT color=#339900
size=3><B>實例教程:J2EE編程起步</B></FONT><BR></TD>
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<P>出處：PConline<BR>責任編輯：pcedu</P></TD></TR>
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<TD width=96>[03-9-18 15:03] </TD>
<TD align=middle>作者：胡德平 </TD></TR></TBODY></TABLE>
<DIV align=center><SPAN id=zl_550>-</SPAN> </DIV><BR>調用商業方法
<BR><BR>完成上述任務后，調用商業方法就比較簡單了。你調用Converter對象的方法，
EJB容器將相應的調用運行在J2EE服務器中的ConverterEJB 例的方法。客戶端調用商業方法dollarToYen的代碼如下：
<BR>double amount = currencyConverter.dollarToYen(100.00);
<BR><BR>ConverterClient源碼<BR>下面是ConverterClient.java的完整源碼：
<BR>import javax.naming.Context; <BR>import
javax.naming.InitialContext; <BR>import
javax.rmi.PortableRemoteObject; <BR>import Converter; <BR>import
ConverterHome;<BR>public class ConverterClient { <BR>public static
void main(String[] args) { <BR>try { <BR>Context initial = new
InitialContext(); <BR>Object objref = initial.lookup("MyConverter");
<BR>ConverterHome home =
<BR>(ConverterHome)PortableRemoteObject.narrow(objref,
ConverterHome.class); <BR>Converter currencyConverter =
home.create(); <BR>double amount =
currencyConverter.dollarToYen(100.00);
<BR>System.out.println(String.valueOf(amount)); <BR>amount =
currencyConverter.yenToEuro(100.00);
<BR>System.out.println(String.valueOf(amount));
<BR>currencyConverter.remove();<BR>} catch (Exception ex) {
<BR>System.err.println("Caught an unexpected exception!");
<BR>ex.printStackTrace(); <BR>} <BR>} <BR>} <BR><BR>編譯客戶端代碼
<BR><BR>UNIX: <BR><BR>1. 在下面腳本compileClient.sh, 對根據J2EE實際安裝目錄作相應改動。
<BR>#!/bin/sh <BR>J2EE_HOME= <BR>CPATH=.:$J2EE_HOME/lib/j2ee.jar
<BR>javac -classpath "$CPATH" ConverterClient.java <BR><BR>2.
運行腳本文件compileClient.sh <BR><BR clear=all>
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