在线考试系统代码

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QuizResponses.java

answer.jsp

<%-- Include directive --%>

<%@ include file="header.html" %>

<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0">

<TR>

<TD VALIGN="TOP">

<DIV ALIGN="RIGHT">

<A HREF="/developer/Quizzes/index.html">Quizzes

Index</A></DIV>

<H2 ALIGN="RIGHT">JSP Professional, Chapter 12 Quiz

Answers</H2>

<H4 ALIGN="RIGHT">by Dan Malks</H4>

 

<TABLE BORDER="0" CELLSPACING="8" CELLPADDING="2" <TR><TD>



<%-- Page directive that applies to entire page. --%>

<%@ page language="java" %>

<%-- Identifies bean as "worker" and tells the page where to locate the bean. --%>

<jsp:useBean id="worker" class="jdc.quiz.QuizResponses" scope="request" />

<%-- Set bean properties with a wildcard. --%>

<jsp:setProperty name="worker" property="*" />

<%-- Scoring --%>

<%-- Variable declaration in code scriptlet -->

<% int score = 0; %>





<TR><TD VALIGN="TOP">1.</TD>

<%-- The method getOne() was set up in the bean with the id "worker" --%>

<%-- All Java code is enclosed in <% %>, leaving HTML to be easily --%>

<%-- changed or updated. --%>

<% if((worker.getOne() != null) && ((worker.getOne()).equals("D"))) { score ++; %>

<TD VALIGN="TOP"> D

is correct!</TD>

<% } else if (worker.getOne() != null) { %>

<TD VALIGN="TOP"><jsp:getProperty name="worker" property="one" />

is incorrect!</TD>

<% } else { %>

<TD VALIGN="TOP">Blank X</TD>

<% } %>

<TD VALIGN="TOP">

Every JavaServer PagesTM

(JSP)TMsource page is compiled into

a servlet before it is executed at runtime.</A> </TD></TR>



<TR><TD VALIGN="TOP">2.</TD>

<% if ((worker.getTwo() != null) && ((worker.getTwo()).equals("B"))) { score ++; %>

<TD VALIGN="TOP"> B

is correct! </TD>

<% } else if (worker.getTwo() != null) { %>

<TD VALIGN="TOP">

<jsp:getProperty name="worker" property="two" /> is

incorrect</TD>

<% } else { %>

<TD VALIGN="TOP">

Blank

X</TD>

<% } %>

<TD VALIGN="TOP"><FONT FACE="Verdana,

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