<logic:iterate id="c" name="list" indexId="i">
                    <%
                                String style = i.intValue() % 2 == 0 ? "oddStyle"
                                : "evenStyle";
                    %>

                    <tr class="<%=style%>"></tr>

------解决方案--------------------
用js遍历tr渲染

------解决方案--------------------
探讨

HTML code                <logic:iterate id="c" name="list" indexId="i">
                    <%
                                String style = i.intValue() % 2 == 0 ? "oddStyle"
                                : "evenStyle";
                    %>

                    <tr class="<%=style%>"></tr>