springboot2 +thymeleaf

springboot 1.5. 9+ thymeleaf  

<!--sidebar-->
<nav class="col-md-2 d-none d-md-block bg-light sidebar" th:fragment="sidebar">
    <div class="sidebar-sticky">
        <ul class="nav flex-column">

            <li class="nav-item">

                <a class="nav-link active"
                    th:class="${activeUri=='main'?'nav-link active':'nav-link'}"
                    href="#" th:href="@{/main}">
                    <span data-feather="home"></span>
                    Dashboard <span class="sr-only">(current)</span>
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="file"></span>
                    Orders
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="shopping-cart"></span>
                    Products
                </a>
            </li>

            <li class="nav-item">

                <a class="nav-link active" href="#" th:href="@{/emps}"
                   th:class="${activeUri=='emps'?'nav-link active':'nav-link'}">
                    <span data-feather="users"></span>
                    员工管理
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="bar-chart-2"></span>
                    Reports
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="layers"></span>
                    Integrations
                </a>
            </li>
        </ul>

        <h6 class="sidebar-heading d-flex justify-content-between align-items-center px-3 mt-4 mb-1 text-muted">
            <span>Saved reports</span>
            <a class="d-flex align-items-center text-muted" href="#">
                <span data-feather="plus-circle"></span>
            </a>
        </h6>
        <ul class="nav flex-column mb-2">
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="file-text"></span>
                    Current month
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="file-text"></span>
                    Last quarter
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="file-text"></span>
                    Social engagement
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">
                    <span data-feather="file-text"></span>
                    Year-end sale
                </a>
            </li>
        </ul>
    </div>
</nav>

在另一个页面引用的时候，传递参数

    <div th:replace="commons/bar::#sidebar(activeUri='emps')"></div>

在springboot 2+ thymeleaf 的时候引用就要使用

 <div th:replace="commons/bar :: sidebar('activeUri'='emps')"></div>

在参数上也要加上引号，踩坑