themeleaf

<p th:text="'Hello！, ' + ${name} + '!'">3333</p>

<div th:object="${session.user}">
    <p>Name: <span th:text="*{firstName}">Sebastian</span>.</p>
    <p>Surname: <span th:text="*{lastName}">Pepper</span>.</p> 
    <p>Nationality: <span th:text={nationality}">Saturn</span>.</p>
</div> 
等价于
<div>
    <p>Name: <span th:text="${session.user.firstName}">Sebastian</span>.</p> 
    <p>Surname: <span th:text="${session.user.lastName}">Pepper</span>.</p> 
    <p>Nationality: <span th:text="${session.user.nationality}">Saturn</span>.</p>
</div>

<!-- Will produce 'http://localhost:8080/gtvg/order/details?orderId=3' (plus rewriting) --> 

<a href="details.html" th:href="@{http://localhost:8080/gtvg/order/details(orderId=${o.id})}">view</a> <!-- Will produce '/gtvg/order/details?orderId=3' (plus rewriting) -->

<a href="details.html" th:href="@{/order/details(orderId=${o.id})}">view</a>

<a href="details.html" th:href="@{order/{orderId}/details(orderId=${o.id})}">Content路径,默认访问static下的order文件夹</a>


<span th:text="'Welcome to our application, ' + ${user.name} + '!'">
<!--或者下面的表达方式：（只能包含表达式变量，而不能有条件判断等！）-->
<span th:text="|Welcome to our application, ${user.name}!|">


'User is of type ' + (${user.isAdmin()} ? 'Administrator' : (${user.type} ?: 'Unknown'))

<a th:href="@{/login}" th:unless=${session.user != null}>Login</a>

<div th:switch="${user.role}">
  <p th:case="'admin'">User is an administrator</p>
  <p th:case="#{roles.manager}">User is a manager</p>
  <p th:case="*">User is some other thing</p>
</div>


    <p th:text="'Hello ' + (${name}?:'admin')">3333</p>
    <table>
        <tr>
            <th>ID</th>
            <th>NAME</th>
            <th>AGE</th>
        </tr>
        <tr th:each="emp : ${empList}">
            <td th:text="${emp.id}">1</td>
            <td th:text="${emp.name}">海</td>
            <td th:text="${emp.age}">18</td>
        </tr>
    </table>

https://www.cnblogs.com/jiangbei/p/8462294.html