:100%; max-height:100%;"
                                     th:src="${book.picUrl}">

                                <br>
                                <span th:text="${#strings.length(book.bookName) > 5}? (${#strings.substring(book.bookName,0,5)}+'...'): ${book.bookName}  "></span>

                            </div>
                        </a>
                   </span>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <blockquote class="layui-elem-quote" style=