[英]SQLAlchemy with Flask does not commit
當我從網頁提交表單時,我無法提交。 我需要閃爍的數據,我看到它們在那里並且正確,但在提交時出現了問題。 我確信我在某個地方犯了一個錯誤,因為大多數提交工作除了兩個。 這是兩個不起作用的一個。
楷模:
class Feedback(db.Model):
__tablename__ = 'feedback'
id = db.Column(db.Integer, primary_key = True)
rate = db.Column(db.Integer)
comment = db.Column(db.Text())
sender_id = db.Column(db.Integer)
receiver_id = db.Column(db.Integer)
形式:
class LeaveFeedbackForm(Form):
rate = IntegerField('Rate', validators = [DataRequired(),
NumberRange(min = 1, max = 5, message = 'Rates admitted are only 1,2,3,4,5')])
comment = TextAreaField('Comment', validators = [DataRequired()])
submit = SubmitField('Submit')
瀏覽次數:
@app.route('/leave_feedback/<sender>/<receiver>', methods = ['GET', 'POST'])
def leave_feedback(receiver, sender):
form = LeaveFeedbackForm()
rec = int(receiver)
sen = int(sender)
if form.validate_on_submit():
feedback = Feedback( rate = form.rate.data,
comment = form.comment.data,
receiver_id = rec,
sender_id = sen
)
db.session.add(feedback)
db.session.commit()
flash('Feedback Left Correctly.')
return redirect(url_for('index'))
flash(form.rate.data)
flash(form.comment.data)
flash(rec)
flash(sen)
return render_template('leave_feedback.html', receiver_id = receiver, sender_id = sender, form = form)
HTML:
{% block content %}
<div class="row">
<div class="large-6 columns">
<h1>Leave Feedback</h1>
</div>
</div>
<form action="" method="post" name="leavefeedback">
<div class="row">
<div class="large-6 columns">
<label>Rate
{{ form.rate }}
</label>
</div>
</div>
<div class="row">
<div class="large-6 columns">
<label>Comment
{{ form.comment }}
</label>
</div>
</div>
<div class="row">
<div class="large-6 columns">
<input class="button radius" type="submit" value="Leave Feedback">
</div>
</div>
</form>
{% endblock %}
你應該添加一個else
語句:
if form.validate_on_submit():
...
else:
for error in form.errors.itervalues():
flash(error[0])
然后,您將從表單中收到錯誤消息。
我弄清楚了我的錯誤,我只是忘記了我的形式:
{{ form.hidden_tag() }}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.