Flask - 消息闪现

 1 @app.route(‘/‘)
 2 def index():
 3     flash(‘33333‘)
 4     flash(‘44444‘)
 5     flash(‘55555‘)
 6     flash(‘66666‘)
 7     if ‘username‘ in session:
 8         return render_template(‘test.html‘)
 9 
10     return render_template(‘test.html‘)

// test.html
1 <body>
2 {% with messages = get_flashed_messages() %}
3 {% for message in messages %}
4 {{ message }}
5 {% endfor %}
6 {% endwith %}
7 </body>