Flask表单 - Fieldlist例子

样例1

表单类

class FilterForm(wtf.Form):
    filter_value = wtf.TextField('Value', validators=[validators.Required()])
    filter_operator = wtf.SelectField('Operator', validators=[validators.Required()])
    filter_compare_value=wtf.TextField('Compare Value', validators=[validators.Required()])


class RedirectForm(wtf.Form):
    redirect_id = wtf.HiddenField('id')
    redirect_name = wtf.TextField('Name', validators=[validators.Required()])
    redirect_url = wtf.TextField('URL', validators=[validators.Required()])
    redirect_type = wtf.SelectField('Type', validators=[validators.Required()])
    redirect_method = wtf.SelectField('Method', validators=[validators.Required()])
    redirect_active = wtf.BooleanField('Is Active')
    redirect_filters_any = wtf.FieldList(wtf.FormField(FilterForm))
    redirect_filters_all = wtf.FieldList(wtf.FormField(FilterForm))

模板渲染

{% extends "base.html" %}
{% set active_page = "endpoints" %}
{% block tail_script %}

{% endblock %}
{% block content %}

    

        

              
Endpoints /
              
{{endpoint_name}} /
              {% if redirect_id != 'new' %}
              
{{ form.redirect_name.data }}
              {% else %}
              
New
              {% endif %}
        
        

            
General
            {{ form.hidden_tag() }}
            

                
{{ form.redirect_name.label }}
                

                    {{ form.redirect_name|safe }}
                    {% if form.redirect_name.errors %}
                    
                         

                            {% for error in form.redirect_name.errors %}
                            
{{ error }}
                            {% endfor %}
                        
                    
                   {% endif %}
                
            
            

                
{{ form.redirect_type.label }}
                

                    {{ form.redirect_type|safe }}
                    {% if form.redirect_type.errors %}
                    
                         

                            {% for error in form.redirect_type.errors %}
                            
{{ error }}
                            {% endfor %}
                        
                    
                   {% endif %}
                
            
            

                
{{ form.redirect_active.label }}
                

                    {{ form.redirect_active|safe }}
                    {% if form.redirect_active.errors %}
                    
                         

                            {% for error in form.redirect_active.errors %}
                            
{{ error }}
                            {% endfor %}
                        
                    
                   {% endif %}
                
            
            

                
{{ form.redirect_method.label }}
                

                    {{ form.redirect_method|safe }}
                    {% if form.redirect_method.errors %}
                    
                         

                            {% for error in form.redirect_method.errors %}
                            
{{ error }}
                            {% endfor %}
                        
                    
                   {% endif %}
                
            
            

                
{{ form.redirect_url.label }}
                

                    {{ form.redirect_url|safe }}
                    {% if form.redirect_url.errors %}
                    
                         

                            {% for error in form.redirect_url.errors %}
                            
{{ error }}
                            {% endfor %}
                        
                    
                   {% endif %}
                
            
            
Meet All Filters Add
            
            {% for f in form.redirect_filters_all %}
                
            {% endfor %}
                

                

                    
    
                        {{ f.filter_value }}
                        {% if f.filter_value.errors %}
                        

                        

                            
                                 

                                    {% for error in f.filter_value.errors %}
                                    
{{ error }}
                                    {% endfor %}
                                
                            
                        
                        {% endif %}
                    
                    
    
                        {{ f.filter_operator }}
                        {% if f.filter_operator.errors %}
                        

                        

                            
                                 

                                    {% for error in f.filter_operator.errors %}
                                    
{{ error }}
                                    {% endfor %}
                                
                            
                        
                        {% endif %}
                    
                    
    
                        {{ f.filter_compare_value }}
                        {% if f.filter_compare_value.errors %}
                        

                        

                            
                                 

                                    {% for error in f.filter_compare_value.errors %}
                                    
{{ error }}
                                    {% endfor %}
                                
                            
                        
                        {% endif %}
                    
                    
Remove
                
            
            
Meet Any Filters Add
            
            {% for f in form.redirect_filters_any %}
                
            {% endfor %}
                

                

                    
    
                        {{ f.filter_value }}
                        {% if f.filter_value.errors %}
                        

                        

                            
                                 

                                    {% for error in f.filter_value.errors %}
                                    
{{ error }}
                                    {% endfor %}
                                
                            
                        
                        {% endif %}
                    
                    
    
                        {{ f.filter_operator }}
                        {% if f.filter_operator.errors %}
                        

                        

                            
                                 

                                    {% for error in f.filter_operator.errors %}
                                    
{{ error }}
                                    {% endfor %}
                                
                            
                        
                        {% endif %}
                    
                    
    
                        {{ f.filter_compare_value }}
                        {% if f.filter_compare_value.errors %}
                        

                        

                            
                                 

                                    {% for error in f.filter_compare_value.errors %}
                                    
{{ error }}
                                    {% endfor %}
                                
                            
                        
                        {% endif %}
                    
                    
Remove
                
            
            {% if g.user.user_type == 'admin' %}
            

                

                    
                    Cancel
                
            
            {% endif %}
        
    

{% endblock %}

样例2

forms.py

class WarehouseTicketItemForm(Form):
      description = StringField(u'Description', validators=[Required()])
      quantity = IntegerField(u'Quantity', validators=[Required()])

class WarehouseTicketForm(Form):
      spot_id = SelectField(u'Spot', coerce=int)
      items = FieldList(FormField(WarehouseTicketItemForm), min_entries = 3)

warehouse_ticket_form.html

  {{ form.hidden_tag() }}
  {{ form.spot_id }} 

  {% for item in form.items %}
    {{ item }}
  {% endfor %}
 Save it

warehouse_tickets.py

@coordinator.route('/warehouses/tickets/update', methods=['GET', 'POST'])
def update_warehouses_tickets():
    page = dict(title="Warehouse Ticket")
    form = WarehouseTicketForm()
    form.spot_id.choices = [(s.id, s.name) for s in Spot.query.filter_by(status=True)]
    if form.validate_on_submit():
        print form.data
    return render_template('coordinators/warehouses/warehouse_ticket_form.html',
                        page=page, form=form)