我有一个表格来编辑 1:many 数据集。我将 FieldList 用于相关记录的行。表单显示正确（还不是很漂亮），我可以编辑。提交时，我可以访问父记录 form.name.data 但我无法弄清楚如何访问 form.dqs （字段列表）中的子数据以将它们保存回数据库。
在 validate_on_submit 中，我可以看到 form.name.data，但看不到 form.dqs（字段列表）中的数据。
我已经尝试了一切......我查看了调试器中的所有对象，但在任何地方都看不到实际数据。
这是我的第一个这样的形式.. 我试图留在 Flask/WTF 宇宙中，但对我正在尝试做的任何事情的最佳解决方案持开放态度。谢谢！
class DemoReport(db.Model):
__tablename__ = 'demoreports'
id = db.Column(db.Integer, primary_key=True)
org_id = db.Column(db.Integer)
name = db.Column(db.String(80))
demotypes = db.relationship('DemoType', backref='demoreport', lazy='dynamic') # many:1 Demoreport:demotype
demorptqs = db.relationship('DemoRptQ', backref='demoreport', lazy='dynamic') # 1:many Demoreport:demorptq
def __repr__(self):
return '<DemoReport %r>' % self.id
class DemoRptQ(db.Model):
__tablename__ = 'demorptqs'
id = db.Column(db.Integer, primary_key=True)
org_id = db.Column(db.Integer)
# many DemoRptQ's: 1 demoreport
demoreport_id = db.Column(db.Integer, db.ForeignKey('demoreports.id'))
# many demoreptQs: 1 question
question_id = db.Column(db.Integer, db.ForeignKey('questions.id'))
qorder = db.Column(db.Integer)
def __repr__(self):
return '<DemoRptQ %r>' % self.id
class DemoRptQForm(Form):
qorder = IntegerField('Order')
class DemoReportForm(FlaskForm):
name = StringField('Demo Report Name', validators=[Length(0, 80), DataRequired()])
dqs = FieldList(FormField(DemoRptQForm), min_entries=10)
submit = SubmitField('Submit')
@main.route('/demoreport/<int:id>', methods=['GET', 'POST'])
@login_required
def edit_demoreport(id):
if id==0:
demoreport = DemoReport()
demoreport.org_id = current_user.org_id
else:
demoreport = DemoReport.query.get_or_404(id)
if demoreport.org_id != current_user.org_id:
flash('That Demo Report is not in your Org.')
return redirect(url_for('.demoreports_list'))
demorptqs = DemoRptQ.query.filter_by(demoreport_id=demoreport.id).order_by(DemoRptQ.qorder).all()
form = DemoReportForm()
if form.validate_on_submit():
demoreport.name = form.name.data
for dq in form.dqs:
db.session.add(dq)
db.session.add(demoreport)
db.session.commit()
return redirect(url_for('.demoreports_list'))
form.name.data = demoreport.name
form.dqs = demorptqs
return render_template('demoreport.html', form=form, demoreport=demoreport, demorptqs=demorptqs)
<form action method="post" class="form" role="form">
{{ form.hidden_tag() }}
<div class="container">
<div class="row">
<div class="col-md-6">
{{ wtf.form_field(form.name, class='form-control', placeholder='Demo Template Name') }}
</div>
</div>
<input class="btn btn-default" id="submit" name="submit" type="submit" value="Submit">
{% for dq in form.dqs %}
<div class="row">
<input class="form-control" style="width: 10%" id="dq.qorder" name="dq.qorder" placeholder="Order" type="text" value="{{ dq.qorder }}">
<div class="col-md-2>">{{ dq.question.qbody }}</div>
</div>
{% endfor %}
<div class="col-md-6">
</div>
</div>
</form>
