<c:forEach items="${reallyChooseSubjectList}" var="reallyChooseSubject">
<tr>
<td width="20px;">(<%=i %>) </td><td>${reallyChooseSubject.name}</td>
<td>
<input type="hidden" name="subjectId<%=i %>" id="subjectId<%=i %>" value="${reallyChooseSubject.id }">
</td>
</tr>
<tr>
<td width="20px;"><td><input type="radio" name="answer<%=i %>" value="A" />A.${reallyChooseSubject.answer_A}</td><td></td>
</tr>
<tr>
<td width="20px;"><td><input type="radio" name="answer<%=i %>" value="B" />B.${reallyChooseSubject.answer_B}</td><td></td>
</tr>
<tr>
<td width="20px;"><td>
<c:if test="${reallyChooseSubject.answer_C != ''}" scope="page">
<input type="radio" name="answer<%=i %>" value="C" />C.${reallyChooseSubject.answer_C}
</c:if>
</td><td></td>
</tr>
<tr>
<td width="20px;"><td>
<c:if test="${reallyChooseSubject.answer_D != ''}" scope="page">
<input type="radio" name="answer<%=i %>" value="D" />D.${reallyChooseSubject.answer_D}
</c:if>
</td><td></td>
</tr>
<tr><%i++; %></tr>
</c:forEach>
在循环中变量自增:
<%@ page contentType="text/html;charset=gbk" %>
<%@taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" %>
<html>
<head>
<title>x</title>
<meta http-equiv="Content-Type" content="text/html;charset=gbk">
</head>
<body>
<c:set var="index" value="0" />
<c:forEach var="x" begin="1" end="9" step="1">
<c:set var="index" value="${index+1}" />
index:${index}
x:${x }
<br>
</c:forEach>
<br>
</body>
</html>