thymeleaf的for:each用法

<table>
        <thead>
            <tr>
                <th>序号</th>
                <th>用户名</th>
                <th>密码</th>
                <th>用户昵称</th>
            </tr>
            <tr th:each="user:${userlist}">
                <td th:text="${user.id}"></td>
                <td th:text="${user.username}"></td>
                <td th:text="${user.password}"></td>
                <td th:text="${user.petname}"></td>
            </tr>
        </thead>
    


</table>