84. twig function is_granted(ROLE_USER)

templates/base.html.twig

@@ -20,32 +20,7 @@
 
 <!-- Navigation -->
 {% block nav %}
-<nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
-    <div class="container">
-        <a class="navbar-brand" href="#">Start Bootstrap</a>
-        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-        </button>
-        <div class="collapse navbar-collapse" id="navbarResponsive">
-            <ul class="navbar-nav ml-auto">
-                <li class="nav-item active">
-                    <a class="nav-link" href="#">Home
-                        <span class="sr-only">(current)</span>
-                    </a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="#">About</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="#">Services</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="#">Contact</a>
-                </li>
-            </ul>
-        </div>
-    </div>
-</nav>
+    {% include 'nav.html.twig' %}
 {% endblock %}
 
 <!-- Page Content -->
@@ -132,12 +107,7 @@
 
 <!-- Footer -->
 {% block footer %}
-<footer class="py-5 bg-dark">
-    <div class="container">
-        <p class="m-0 text-center text-white">Copyright &copy; Your Website 2020</p>
-    </div>
-    <!-- /.container -->
-</footer>
+    {% include 'footer.html.twig' %}
 {% endblock %}
 
 {% block javascripts %}

templates/footer.html.twig

+<footer class="py-5 bg-dark">
+    <div class="container">
+        <p class="m-0 text-center text-white">Copyright &copy; Your Website 2020</p>
+    </div>
+    <!-- /.container -->
+</footer>
\ No newline at end of file

templates/nav.html.twig

+<nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
+    <div class="container">
+        <a class="navbar-brand" href="{{ path('post_index') }}">Teebblog</a>
+        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarResponsive">
+            <ul class="navbar-nav ml-auto">
+                <li class="nav-item active">
+                    <a class="nav-link" href="{{ path('post_index') }}">Home
+                        <span class="sr-only">(current)</span>
+                    </a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="#">About</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="#">Services</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="#">Contact</a>
+                </li>
+                {% if app.user %}
+                    <div class="dropdown">
+                        <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+                            {{ app.user.userIdentifier }}
+                        </button>
+                        <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
+                            <a class="dropdown-item" href="{{ path('app_logout') }}">退出</a>
+                        </div>
+                    </div>
+                {% endif %}
+            </ul>
+        </div>
+    </div>
+</nav>
\ No newline at end of file

templates/post/show.html.twig

@@ -39,6 +39,8 @@
     <hr>
 
     <!-- Comments Form -->
+{#    {% if app.user %}#}
+    {% if is_granted('ROLE_USER') %}
     <div class="card my-4">
         <h5 class="card-header">Leave a Comment:</h5>
         <div class="card-body">
@@ -55,6 +57,9 @@
             {{ form_end(comment_form) }}
         </div>
     </div>
+    {% else %}
+        您需要<a href="{{ path('app_login') }}">登录</a>后，才可以提交评论。
+    {% endif %}
 
     <!-- Single Comment -->
     {% for comment in pagination %}