📄 action.jsp
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<%@ page language="java" contentType="text/html; charset=gb2312"%>
<%@ page info="a JSP example" %>
<%@ page import="java.io.IOException,java.util.*,javax.naming.*,javax.servlet.*,
javax.servlet.http.*,java.rmi.*,javax.rmi.PortableRemoteObject,javax.ejb.*,com.j2ee14.ch16.*"%>
<%
try
{
DigitalStore store=(DigitalStore)session.getAttribute("store");
double amount=Double.parseDouble((String)request.getParameter("amount"));
if(store==null)
{
out.println("没有用户");
out.flush();
}
else if(amount<=0)
{
out.println("输入的金额不正确");
out.flush();
}
String action=(String)request.getParameter("action");
if(action.equals("add")) store.addEGold(amount);
else if(action.equals("withdraw")) store.withdrawEGold(amount);
response.sendRedirect("index.jsp");
}
catch(Exception e)
{
out.println(e);
}
%>
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