我对 django 中的表单相当陌生。
我的问题是我有一些非常大的模型，我必须将它们分解成一系列较小的表单以供用户填写。
所以我一直在尝试使用脆皮表单，昨天在 YouTube 上观看 Mike Hibberts 教程（Python Django 教程 19 - 使用表单向导）后，我想看看是否可以使用脆皮表单来完成这项工作。
一切似乎对我来说都很好，但是当我按下提交时，表单似乎已经过验证，但没有继续执行步骤 2。
我这样做完全错误吗？
感谢您的任何帮助或建议！
forms.py
from django import forms
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Submit, Layout, ButtonHolder
from crispy_forms.bootstrap import StrictButton
from models import ProcessSheet
class EnterData(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(EnterData, self).__init__(*args, **kwargs)
# If you pass FormHelper constructor a form instance
# It builds a default layout with all its fields
self.helper = FormHelper(self)
self.helper.form_class = 'form-horizontal'
self.helper.label_class = 'text-center col-lg-4'
self.helper.field_class = 'col-lg-8'
self.helper.layout.append(Submit('save', 'save'))
"""
self.helper.layout = Layout(
'sheet_id',
'sheet_title',
'part_name',
ButtonHolder('save', css_class='btn-warning'),
)
# You can dynamically adjust your layout
"""
class Meta:
model = ProcessSheet
fields = "__all__"
class Sheet1(forms.ModelForm):
def __init__(self, *args, **kwargs):
print "sheet 1 init!!!!!!!!!!!!!!!"
super(Sheet1, self).__init__(*args, **kwargs)
# If you pass FormHelper constructor a form instance
# It builds a default layout with all its fields
self.helper = FormHelper(self)
self.helper.form_tag = False
self.helper.form_class = 'form-horizontal'
self.helper.label_class = 'text-center col-lg-4'
self.helper.field_class = 'col-lg-8'
self.helper.layout = Layout(
'sheet_id',
'sheet_title',
'part_name',
)
class Meta:
model = ProcessSheet
fields = "__all__"
class Sheet2(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(Sheet2, self).__init__(*args, **kwargs)
# If you pass FormHelper constructor a form instance
# It builds a default layout with all its fields
self.helper = FormHelper(self)
self.helper.form_tag = False
self.helper.form_class = 'form-horizontal'
self.helper.label_class = 'text-center col-lg-4'
self.helper.field_class = 'col-lg-8'
self.helper.layout = Layout(
'cooling',
'nozzle',
'zone_5',
)
class Meta:
model = ProcessSheet
fields = "__all__"
views.py
from django.shortcuts import render_to_response, RequestContext
from process_forms.models import ProcessSheet
from django.contrib.formtools.wizard.views import SessionWizardView
import logging
logr = logging.getLogger(__name__)
from forms import EnterData
# Create your views here.
def SheetSelect(request):
logr.debug( "IM IN SELECT!!!!!!!!!!!!" )
print "IM IN SELECT!!!!!!!!!!!!"
form = EnterData(request.POST or None)
log_data_message = "Please Enter Some Data"
if form.is_valid():
data = form.cleaned_data
if not ProcessSheet.objects.filter(sheet_id=data['sheet_id']):
save_it = form.save(commit=False)
save_it.save()
form = EnterData()
log_data_message = "Data Entered Ok!"
else:
log_data_message = "Sheet ID already exists!"
sheets = ProcessSheet.objects.all()
return render_to_response('PS14.html',
locals(),
context_instance=RequestContext(request))
def SheetFocus(request, sheet_id=0):
sheet = ProcessSheet.objects.get(id=sheet_id)
return render_to_response('PS24.html',
locals(),
context_instance=RequestContext(request))
class SheetWizard(SessionWizardView ):
logr.debug( "IM IN WIZARD!!!!!!!!!!!!" )
template_name = "sheet_form.html"
def done(self, form_list, **kwargs):
logr.debug( "IM IN DONE!!!!!!!!!!!!" )
form_data = process_form_data(form_list)
return render_to_response('done.html', {'form_data': form_data})
def process_form_data(form_list):
form_data = [form.cleaned_data for form in form_list]
logr.debug( "DONE PROCESS FORM DATA!!!!!!!!!!!!" )
return form_data
urls.py
from django.conf.urls import patterns, include, url
from process_forms.forms import Sheet1, Sheet2
from process_forms.views import SheetWizard
urlpatterns = patterns('',
url(r'^all/', 'process_forms.views.SheetSelect'),
url(r'^get/(?P<sheet_id>\d+)/', 'process_forms.views.SheetFocus'),
url(r'^entry/', SheetWizard.as_view([Sheet1,Sheet2])),
)
模型.py
from django.db import models
from django.core.validators import MaxValueValidator, MinValueValidator
# Create your models here.
class ProcessSheet(models.Model):
ejector_confirmation_on = models.BooleanField(default=True)
number_of_cavities = models.IntegerField(blank=True, null=True,validators=[
MaxValueValidator(100),
MinValueValidator(1)
])
date = models.IntegerField(blank=True, null=True)
shift = models.IntegerField(blank=True, null=True,validators=[
MaxValueValidator(4),
MinValueValidator(1)
])
sheet_desc = models.TextField(blank=True, null=True)
comment = models.TextField(blank=True, null=True)
sheet_id = models.CharField(max_length=16, blank=False,null=True)
sheet_title = models.CharField(max_length=24, blank=False,null=True)
part_number = models.CharField(max_length=16, blank=False,null=True)
part_name = models.CharField(max_length=16, blank=True, null=True)
machine_no = models.CharField(max_length=16, blank=True, null=True)
special_notes = models.CharField(max_length=256,blank=True, null=True)
end_of_arm_tool_number = models.CharField(max_length=16, blank=True, null=True)
program_picker_robot = models.CharField(max_length=16, blank=True, null=True)
nozzle_tip_size = models.CharField(max_length=16, blank=True, null=True)
k_cut = models.BooleanField(default=False)
hydraulic_unit_pressure = models.CharField(max_length=16, blank=True, null=True)
valve_gate = models.CharField(max_length=16, blank=True, null=True)
colorant = models.CharField(max_length=16, blank=True, null=True)
reasons_for_changes = models.CharField(max_length=16, blank=True, null=True)
finger_print = models.CharField(max_length=16, blank=True, null=True)
initial = models.CharField(max_length=16, blank=True, null=True)
V1 = models.FloatField(blank=True, null=True)
V2 = models.FloatField(blank=True, null=True)
V3 = models.FloatField(blank=True, null=True)
V4 = models.FloatField(blank=True, null=True)
V5 = models.FloatField(blank=True, null=True)
position_pressure = models.FloatField(blank=True, null=True)
pack_1 = models.FloatField(blank=True, null=True)
pack_2 = models.FloatField(blank=True, null=True)
pack1 = models.FloatField(blank=True, null=True)
pack2 = models.FloatField(blank=True, null=True)
shot_size = models.FloatField(blank=True, null=True)
back_1 = models.FloatField(blank=True, null=True)
screw_speed = models.FloatField(blank=True, null=True)
cushion_in_inches = models.FloatField(blank=True, null=True)
injection_time = models.FloatField(blank=True, null=True)
cycle_time = models.FloatField(blank=True, null=True)
cooling = models.FloatField(blank=True, null=True)
hot_sprue_1 = models.FloatField(blank=True, null=True)
nozzle = models.FloatField(blank=True, null=True)
zone_1_barrel = models.FloatField(blank=True, null=True)
zone_2_barrel = models.FloatField(blank=True, null=True)
zone_3_barrel = models.FloatField(blank=True, null=True)
mold = models.FloatField(blank=True, null=True)
dryer = models.FloatField(blank=True, null=True)
zone_1 = models.FloatField(blank=True, null=True)
zone_2 = models.FloatField(blank=True, null=True)
zone_3 = models.FloatField(blank=True, null=True)
zone_4 = models.FloatField(blank=True, null=True)
zone_5 = models.FloatField(blank=True, null=True)
zone_6 = models.FloatField(blank=True, null=True)
zone_7 = models.FloatField(blank=True, null=True)
zone_8 = models.FloatField(blank=True, null=True)
zone_9 = models.FloatField(blank=True, null=True)
zone_10 = models.FloatField(blank=True, null=True)
zone_11 = models.FloatField(blank=True, null=True)
zone_12 = models.FloatField(blank=True, null=True)
flowmeter_reading = models.FloatField(blank=True, null=True)
def Meta():
managed = True
sheet_form.html
{% extends "base.html" %}
{% block content %}
<H1> This is the entry form </H1>
<p>Step {{ wizard.steps.step1 }} of {{ wizard.steps.count }}</p>
<br>
{{log_data_message}}
<form action="/sheets/entry/" method="post">
{{ wizard.management_form }}
{% load crispy_forms_tags %}
{% crispy wizard.form %}
{% if wizard.steps.prev %}
<button name="wizard_goto_step" type="submit" value="{{ wizard.steps.first }}">"first step"</button>
<button name="wizard_goto_step" type="submit" value="{{ wizard.steps.prev }}">"prev step"</button>
{% endif %}
<input type="submit" value="Submit" />
</form>
{% endblock %}
{% block links %}
{% for sheet in sheets %}
<a HREF="/sheets/get/{{ sheet.id }}">{{sheet.sheet_title}}</a>
<br>
{% endfor %}
{% endblock %}
<br>
祝你有美好的一天！！！
