前端 jsp頁面縮短提示信息 fn:substring

                                <td style="max-width: 140px;" title="${itme.examineDesc}">
                                    <c:if test="${fn:length(itme.examineDesc) > 20 }">
                                        ${fn:substring(itme.examineDesc, 0, 20)}...
                                    </c:if>
                                    <c:if test="${fn:length(itme.examineDesc)<= 20 }">
                                        ${itme.examineDesc}
                                    </c:if>
                                </td>