choose.jsp

jsp app +strus harmnate jdbc 必要的学习资料

<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<c:if test="${!empty param.age}">
  <c:choose>
    <c:when test="${param.age < 18}">
      <c:set var="color" value="red" />
    </c:when>
    <c:when test="${param.age < 30}">
      <c:set var="color" value="blue" />
    </c:when>
    <c:when test="${param.age < 50}">
      <c:set var="color" value="yellow" />
    </c:when>
    <c:otherwise>
      <c:set var="color" value="green" />
    </c:otherwise>
  </c:choose>
  <font color="${color}">this is what you need.</font>
</c:if>