JavaBean 进行数据验证(1)

request.getParameter("discountCode");

discountCode =

Double.parseDouble(discountString);

} catch(NumberFormatException nfe) {}

%>

<jsp:setProperty

name="entry"

property="discountCode"

value="<%= discountCode %>" />

<BR>

<TABLE BORDER=1>

<TR CLASS="COLORED">

<TH>Item ID<TH>Unit Price<TH>Number Ordered<TH>Total Price

<TR ALIGN="RIGHT">

<TD><jsp:getProperty name="entry" property="itemID" />

<TD>$<jsp:getProperty name="entry" property="itemCost" />

<TD><jsp:getProperty name="entry" property="numItems" />