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<%@ page import="converter.ejb.Converter, java.math.*, javax.naming.*"%> <%! private Converter converter = null; public void jspInit() { try { InitialContext ic = new InitialContext(); converter = (Converter) ic.lookup(Converter.class.getName()); } catch (Exception ex) { System.out.println("Couldn't create converter bean."+ ex.getMessage()); } } public void jspDestroy() { converter = null; }%><html> <head> <title>Converter</title> </head> <body bgcolor="white"> <h1>Converter</h1> <hr> <p>Enter an amount to convert:</p> <form method="get"> <input type="text" name="amount" size="25"> <br> <p> <input type="submit" value="Submit"> <input type="reset" value="Reset"> </form> <% String amount = request.getParameter("amount"); if ( amount != null && amount.length() > 0 ) { BigDecimal d = new BigDecimal(amount); BigDecimal yenAmount = converter.dollarToYen(d); %> <p> <%= amount %> dollars are <%= yenAmount %> Yen. <p> <% BigDecimal euroAmount = converter.yenToEuro(yenAmount); %> <%= yenAmount %> Yen are <%= euroAmount %> Euro. <% } %> </body></html>?? 快捷鍵說明
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