optionalattribute.tag

来自「spring+hibernate+struts开发的校务oa系统」· TAG 代码 · 共 13 行

<%@ tag body-content="empty" %>
<%@ attribute name="name"  required="true" %>
<%@ attribute name="value" required="true" %>
<%@ attribute name="defaultValue" required="false" %>
<%
if (value == null && defaultValue != null) {
  value = defaultValue;
}

if (value != null) {
  out.println(name + "=\"" + value + "\"");
}
%>