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我試圖切換from wtforms.ext.sqlalchemy.orm import model_form
使用wtforms_alchemy的ModelForm:有沒有屬性validate_on_submit:如何使用wtforms,鍊金術的的ModelForm燒瓶處理器/視圖
from wtforms_alchemy import ModelForm
我失敗的很慘......我已經不成功尋找一個使用wtforms_alchemy的工作示例,它顯示了處理程序和模型。
使用model_form工作對我來說:這是一個使用模型的形式我的工作代碼:
模型腳本(蟒蛇):
from app import db
class Test(db.Model):
id = db.Column(db.Integer, primary_key=True)
test1 = db.Column(db.String())
test2 = db.Column(db.String())
處理程序腳本(蟒蛇,燒瓶,model_form):
from flask.ext.wtf import Form
from wtforms.ext.sqlalchemy.orm import model_form
from wtforms import validators
from app import app
from app import db
from app.models import *
@app.route('/', methods=['GET', 'POST'])
@login_required
def index():
TestForm = model_form(Test, base_class = Form, db_session=db.session, field_args = {
'test1' : {
'validators' : [validators.Length(max=1)]
}
})
form = TestForm()
if form.validate_on_submit():
flash("success")
new_test = Test()
form.populate_obj(new_test)
db.session.add(new_test)
db.session.commit()
return redirect(url_for("index"))
return render_template("main.html", form=form)
模板(使用鯖):
<form class="form" action="/" method="POST">
% for f in form:
%if f.widget.input_type != 'hidden':
<dt>${ f.label }</dt>
% endif
<dd>
${f}
% if f.errors:
<div class="flashes alert alert-danger">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
% for e in f.errors:
<p>${e}</p>
% endfor
</div>
% endif
</dd>
% endfor
<input type="submit" value="go">
</form>
當我嘗試過改變我的處理程序腳本頁使用的ModelForm與此代碼(見下文),我收到了「TESTFORM」對象有沒有屬性「validate_on_submit」錯誤
處理程序腳本(蟒蛇,瓶,的ModelForm):
from flask.ext.wtf import Form
from wtforms_alchemy import ModelForm
from wtforms import validators
from app import app
from app import db
from app.models import *
class TestForm(ModelForm):
class Meta:
model = Test
@app.route('/', methods=['GET', 'POST'])
@login_required
def index():
form = TestForm()
if form.validate_on_submit():
flash("success")
new_test = Test()
form.populate_obj(new_test)
db.session.add(new_test)
db.session.commit()
return redirect(url_for("index"))
return render_template("main.html", form=form)
我缺少什麼?