flask+pymongo的留言板

 1 class Leave:
 2     db = MongoClient().Doo.Leave
 3 
 4     def __init__(self, name, words):
 5         self.name = name
 6         self.words = words
 7 
 8     def new_word(self):
 9         collection = {
10             'name': self.name,
11             'words': self.words,
12             'words_since': datetime.utcnow()
13         }
14         self.db.insert_one(collection)

1 class LeaveForm(Form):
2     name = StringField('留言人')
3     words = TextAreaField('留言', validators=[DataRequired()])
4     submit = SubmitField('确定')

1 @main.route('/leave', methods=['GET', 'POST'])
2 def leave():
3     leave_word = MongoClient().Doo.Leave.find().sort('words_since', DESCENDING)
4     form = LeaveForm()
5     if form.validate_on_submit():
6         Leave(name=form.name.data,
7               words=form.words.data).new_word()
8         return redirect(url_for('.leave'))
9     return render_template('leave.html', leave=leave_word, form=form)

 1 {% extends "base.html" %}
 2 {% block head %}
 3     <link rel="stylesheet" href="{{ url_for('static', filename='css/leave.css') }}" type="text/css">
 4 {% endblock %}
 5 {% block body %}
 6 <div class="col-lg-12 lala">
 7 <h3>新留言h3>
 8 <form method="POST">
 9     {{ form.hidden_tag() }}
10     <div class="form-group">
11         {{ form.name.label }}
12         {{ form.name(class_='form-control') }}
13     div>
14     <div class="form-group">
15         {{ form.words.label }}
16         {{ form.words(class_='form-control') }}
17     div>
18     {{ form.submit(class="btn btn-primary") }}
19 form>
20 {% for lea in leave %}
21 <div class="content">
22     <div class="info">
23         <h4 class="user">By {{ lea.get('name') }}h4>
24         <h4 class="time">{{ lea.get('words_since').strftime('%Y-%m-%d %H:%M:%S') }}h4>
25     div>
26 
27     <div class="con">{{ lea.get('words') }}div>
28 div>
29 {% endfor %}
30 div>
31 
32 {% endblock %}