viewhelper.jsp

来自「《J2EE企业级应用开发》一书的配套源代码」· JSP 代码 · 共 27 行

JSP
27
字号
<%@ page contentType="text/html;charset=gb2312"
 import="com.j2eeapp.ch14.*"%> 
<HTML><HEAD><TITLE>view helper</TITLE></HEAD><BODY><HR>
<P>计算存款利润</P>
<jsp:useBean id="calculate" scope="request" class="com.j2eeapp.ch14.viewhelper.ViewHelper"/>
<%String amount=(String)request.getParameter("amount");
String time=(String)request.getParameter("time");
if(time!=null&&amount!=null)
{
if(calculate.checkInput(amount,time))
{
out.println("你的存款利润是:");
com.j2eeapp.ch14.viewhelper.ValueObject vo=calculate.doHelper();
out.println(vo.getTotal()+"\n<br>");out.println("计算时间:"+vo.getDate());
}
else
{
out.println("输入正确数据");
}
}%>
<form action=viewhelper.jsp method=get>
<table><tr><td>输入存入数量:<input type=text name=amount></td></tr>
<tr><td>输入时间:<input type=text name=time></td></tr>
<tr><td><input type=submit value=提交></td></tr></table></form>	
<HR></BODY></HTML>

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