为base.html下的logout添加url，同时为RegisterForm用户名验证添加redirect

tongxindao · tongxindao · commit fc9e9344b267 · 2018-01-01T19:37:39.000+08:00
diff --git a/23-optimize-login-and-register/simpledu/simpledu/handlers/front.py b/23-optimize-login-and-register/simpledu/simpledu/handlers/front.py
@@ -36,6 +36,7 @@ def register():
     if form.validate_on_submit():
         if not form.username.data.isalnum():
             flash('用户名只能由字母和数字组成')
+            return redirect(url_for('.register'))
         form.create_user()
         flash('register success', 'success')
         return redirect(url_for('.login'))
diff --git a/23-optimize-login-and-register/simpledu/simpledu/templates/base.html b/23-optimize-login-and-register/simpledu/simpledu/templates/base.html
@@ -35,7 +35,7 @@
 	  <ul class="dropdown-menu">
 		<li><a href="#">Profile</a></li>
 		<li role="separator" class="divider"></li>
-		<li><a href="#">Logout</a></li>
+		<li><a href="{{ url_for('front.logout') }}">Logout</a></li>
     </ul>
 	</li>
   {% endif %}
