01 <%@ page contentType="text/html; charset=Shift_JIS" %>
02 <%@ page import="trail.slsb.*, javax.naming.*, java.text.*"%>
03
04 <%!
05 private Calculator cal = null;
06 public void jspInit () {
07 try {
08 InitialContext ctx = new InitialContext();
09 cal = (Calculator) ctx.lookup(
10 "EJB3Trail/StatelessCalculator/local");
11 } catch (Exception e) {
12 e.printStackTrace ();
13 }
14 }
15 %>
16
17 <%
18 String result;
19 int start = 25;
20 int end = 65;
21 double growthrate = 0.08;
22 double saving = 300.0;
23 try {
24 start = Integer.parseInt(request.getParameter ("start"));
25 end = Integer.parseInt(request.getParameter ("end"));
26 growthrate = Double.parseDouble(request.getParameter ("growthrate"));
27 saving = Double.parseDouble(request.getParameter ("saving"));
28
29 NumberFormat nf = NumberFormat.getInstance();
30 nf.setMaximumFractionDigits(2);
31 result = nf.format(cal.calculate(start, end, growthrate, saving));
32 } catch (Exception e) {
33 // e.printStackTrace ();
34 result = "Not valid";
35 }
36 %>
37
38 <html>
39 <body>
40
41 <p>投資計算プログラム<br/>
42 <form action="calculator.jsp" method="POST">
43 開始年齢 = <input type="text" name="start" value="<%=start%>"><br/>
44 終了年齢 = <input type="text" name="end" value="<%=end%>"><br/>
45 年成長率 = <input type="text" name="growthrate" value="<%=growthrate%>"><br/>
46 月掛金額 = <input type="text" name="saving" value="<%=saving%>"><br/>
47 <input type="submit" value="計算">
48 <INPUT type="button" value="閉じる" onClick="window.close()">
49 </form>
50 </p>
51
52 <p>最新の計算結果:終了年齢での残高は、
53 <b><%=result%></b></p>
54
55 </body>
56 </html>
|