compound.jsp

来自「JAVA Servlet2.3外文书籍源码」· JSP 代码 · 共 36 行

JSP

36 行

<%@ page errorPage="error.jsp" %>

<%!
  public double calculate(double amount, double interest, int period) {
    if(amount <= 0) {
      throw new IllegalArgumentException("Amount should be greater than 0: " + amount);
    }
    if(interest <= 0) {
      throw new IllegalArgumentException("Interest should be greater than 0: " + interest);
    }
    if(period <= 0) {
      throw new IllegalArgumentException("Period should be greater than 0: " + period);
    }
    return amount*Math.pow(1 + interest/100, period);
  }
%>

<html>
  <head>
    <title>Compound</title>
  </head>
  <body style="font-family:verdana;font-size:10pt;">
    <%@ include file="header.html" %>

    <%
      double amount = Double.parseDouble(request.getParameter("amount"));
      double interest = Double.parseDouble(request.getParameter("interest"));
      int period = Integer.parseInt(request.getParameter("period"));
    %>
   <b>Pincipal using compound interest:</b>

    <%= calculate(amount, interest, period) %>
    <br/><br/>
    <jsp:include page="footer.jsp"/>
  </body>
</html>

compound.jsp - 源码说明

本页面展示了「JAVA Servlet2.3外文书籍源码」中的 compound.jsp 源码文件，采用 JSP 编程语言编写，共 36 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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