CRM项目实战-动态modelform的实现
作者：互联网
生成类 f=type("Foo" , (object,) , {'func': })
{% extends 'kingadmin/index.html' %}
{% load kingadmin_tags %}
{% block right-content-container %}
<h2 class="page-header">{% get_model_name admin_class %}</h2>
<h4 class="page-header">修改{{ form_obj.instance }}</h4>
<div>
change
{% include 'kingadmin/table_obj_change_component.html' %}
</div>
{% endblock %}
{% load kingadmin_tags %}
<form class="form-horizontal" method="post" onsubmit="VerificationBeforeFormSubmit()"> {% csrf_token %}
{{ form_obj.errors }}
{% for field in form_obj %}
<div class="form-group">
<label class="col-sm-2 control-label">{{ field.label }}</label>
<div class="col-sm-10">
{% if field.name in admin_class.filter_horizontal %}
< class="col-lg-5">
<select id="id_{{ field.name }}_from" multiple class="form-control">
{% get_available_m2m_data field.name form_obj admin_class as available_m2m_data %}
{% for obj in available_m2m_data %}
<option ondblclick=MoveSelectedOption(this,'id_{{ field.name }}_to') value="{{ obj.id }}">{{ obj }}</option>
{% endfor %}
</select>
</div>
<div class="col-lg-5">
<select tag="selected_m2m" id="id_{{ field.name }}_to" multiple class="form-control" name="{{ field.name }}">
{% get_selected_m2m_data field.name form_obj admin_class as selected_m2m_data %}
{% for obj in selected_m2m_data %}
<option value="{{ obj.id }}" ondblclick=MoveSelectedOption(this,'id_{{ field.name }}_from')>{{ obj }}</option>
{% endfor %}
</select>
</div>
{% else %}
{{ field }}
{% endif %}
<span style="color: red">{{ field.errors.0 }} </span>
</div>
</div>
{% endfor %}
{% if not admin_class.form_add %} <!--如果这是修改表单-->
{% for field in admin_class.readonly_fields %}
<div class="form-group">
<label class="col-sm-2 control-label">{{ field }}</label>
<div class="col-sm-10">
<p>{% get_obj_field_val form_obj field %}</p>
</div>
</div>
{% endfor %}
{% endif %}
<div class="form-group">
<div class="col-sm-offset-11 col-sm-2">
<button type="submit" class="btn btn-info">Save</button>
</div>
</div>
</form>
<script>
function MoveSelectedOption(ele,target_id) {
var new_target_id = $(ele).parent().attr('id');
var option = "<option value='" + $(ele).val() +"'ondblclick=MoveSelectedOption(this,'"+ new_target_id +"') >" + $(ele).text() +"</option>";
$("#"+ target_id).append(option);
$(ele).remove();
}
function VerificationBeforeFormSubmit() {
$("select[tag] option").prop('selected',true);
}
</script>
table_change_list.html
from django.template import Library
from django.utils.safestring import mark_safe
import datetime ,time
register = Library()
@register.simple_tag
def build_filter_ele(filter_column,admin_class):
column_obj = admin_class.model._meta.get_field(filter_column)
print("column obj:",column_obj)
try:
#filter_column_name = "<span>%s</span>" % filter_column
filter_ele = "<div class='col-md-2'>%s<select class='form-control ' name='%s'>" % (filter_column,filter_column)
for choice in column_obj.get_choices():
selected = ''
if filter_column in admin_class.filter_condtions:#当前字段被过滤了
# print("filter_column", choice,
# type(admin_class.filter_condtions.get(filter_column)),
# admin_class.filter_condtions.get(filter_column))
if str(choice[0]) == admin_class.filter_condtions.get(filter_column):#当前值被选中了
selected = 'selected'
print('selected......')
option = "<option value='%s' %s>%s</option>" % (choice[0],selected,choice[1])
filter_ele += option
except AttributeError as e:
print("err",e)
filter_ele = "<div class='col-md-2'><select class='form-control' name='%s__gte'>" % filter_column
if column_obj.get_internal_type() in ('DateField','DateTimeField'):
time_obj = datetime.datetime.now()
time_list = [
['','------'],
[time_obj,'Today'],
[time_obj - datetime.timedelta(7),'七天内'],
[time_obj.replace(day=1),'本月'],
[time_obj - datetime.timedelta(90),'三个月内'],
[time_obj.replace(month=1,day=1),'YearToDay(YTD)'],
['','ALL'],
]
for i in time_list:
selected = ''
time_to_str = ''if not i[0] else "%s-%s-%s"%(i[0].year,i[0].month,i[0].day)
if "%s__gte"% filter_column in admin_class.filter_condtions: # 当前字段被过滤了
print('-------------gte')
if time_to_str == admin_class.filter_condtions.get("%s__gte"% filter_column): # 当前值被选中了
selected = 'selected'
option = "<option value='%s' %s>%s</option>" % \
(time_to_str ,selected,i[1])
filter_ele += option
filter_ele += "</select></div>"
return mark_safe(filter_ele)
@register.simple_tag
def build_table_row(obj,admin_class):
"""生成一条记录的html element"""
ele = ""
if admin_class.list_display:
for index,column_name in enumerate(admin_class.list_display):
column_obj = admin_class.model._meta.get_field(column_name)
if column_obj.choices: #get_xxx_display
column_data = getattr(obj,'get_%s_display'% column_name)()
else:
column_data = getattr(obj,column_name)
td_ele = "<td>%s</td>" % column_data
if index == 0:
td_ele = "<td><a href='%s/change/'>%s</a></td>"% (obj.id,column_data)
ele += td_ele
else:
td_ele = "<td><a href='%s/change/'>%s</a></td>" % (obj.id,obj)
ele += td_ele
return mark_safe(ele)
@register.simple_tag
def get_model_name(admin_class):
return admin_class.model._meta.model_name.upper()
@register.simple_tag
def get_sorted_column(column,sorted_column,forloop):
#sorted_column = {'name': '-0'}
if column in sorted_column:#这一列被排序了,
#你要判断上一次排序是什么顺序,本次取反
last_sort_index = sorted_column[column]
if last_sort_index.startswith('-'):
this_time_sort_index = last_sort_index.strip('-')
else:
this_time_sort_index = '-%s' % last_sort_index
return this_time_sort_index
else:
return forloop
@register.simple_tag
def render_filtered_args(admin_class,render_html=True):
'''拼接筛选的字段'''
if admin_class.filter_condtions:
ele = ''
for k,v in admin_class.filter_condtions.items():
ele += '&%s=%s' %(k,v)
if render_html:
return mark_safe(ele)
else:
return ele
else:
return ''
@register.simple_tag
def render_sorted_arrow(column,sorted_column):
if column in sorted_column: # 这一列被排序了,
last_sort_index = sorted_column[column]
if last_sort_index.startswith('-'):
arrow_direction = 'bottom'
else:
arrow_direction = 'top'
ele = '''<span class="glyphicon glyphicon-triangle-%s" aria-hidden="true"></span>''' % arrow_direction
return mark_safe(ele)
return ''
@register.simple_tag
def render_paginator(querysets,admin_class,sorted_column):
ele = '''
<ul class="pagination">
'''
for i in querysets.paginator.page_range:
if abs(querysets.number - i) < 2 :#display btn
active = ''
if querysets.number == i : #current page
active = 'active'
filter_ele = render_filtered_args(admin_class)
sorted_ele = ''
if sorted_column:
sorted_ele = '&_o=%s' % list(sorted_column.values())[0]
p_ele = '''<li class="%s"><a href="?_page=%s%s%s">%s</a></li>''' % (active,i,filter_ele,sorted_ele,i)
ele += p_ele
ele += "</ul>"
return mark_safe(ele)
@register.simple_tag
def get_current_sorted_column_index(sorted_column):
return list(sorted_column.values())[0] if sorted_column else ''
@register.simple_tag
def get_obj_field_val(form_obj,field):
'''返回model obj具体字段的值'''
return getattr(form_obj.instance,field)
@register.simple_tag
def get_available_m2m_data(field_name,form_obj,admin_class):
"""返回的是m2m字段关联表的所有数据"""
field_obj = admin_class.model._meta.get_field(field_name)
obj_list = set(field_obj.related_model.objects.all())
selected_data = set(getattr(form_obj.instance ,field_name).all())
return obj_list - selected_data
return obj_list
@register.simple_tag
def get_selected_m2m_data(field_name,form_obj,admin_class):
"""返回已选的m2m数据"""
selected_data = getattr(form_obj.instance ,field_name).all()
return selected_data
kingadmin_tags.py
from django.shortcuts import render,redirect
from django.contrib.auth import authenticate,login,logout
from django.contrib.auth.decorators import login_required
from django import conf
from django.db.models import Q
from django.core.paginator import Paginator,PageNotAnInteger,EmptyPage
from kingadmin import app_setup
from kingadmin import form_handle
app_setup.kingadmin_auto_discover()
from kingadmin.sites import site
print("sites.",site.enabled_admins)
# for k,v in site.enabled_admins.items():
# for table_name,admin_class in v.items():
# print(table_name,id(admin_class))
# # Create your views here.
def app_index(request):
#enabled_admins =
return render(request,'kingadmin/app_index.html', {'site':site})
def get_filter_result(request,querysets):
filter_conditions = {}
for key,val in request.GET.items():
if key in ('_page','_o','_q'):continue
if val:
filter_conditions[key] = val
print("filter_conditions",filter_conditions)
return querysets.filter(**filter_conditions),filter_conditions
def get_orderby_result(request,querysets,admin_class):
"""排序"""
current_ordered_column = {}
orderby_index = request.GET.get('_o')
if orderby_index:
orderby_key = admin_class.list_display[ abs(int(orderby_index)) ]
current_ordered_column[orderby_key] = orderby_index #为了让前端知道当前排序的列
if orderby_index.startswith('-'):
orderby_key = '-'+ orderby_key
return querysets.order_by(orderby_key),current_ordered_column
else:
return querysets,current_ordered_column
def get_serached_result(request,querysets,admin_class):
search_key = request.GET.get('_q')
if search_key :
q = Q()
q.connector = 'OR'
for search_field in admin_class.search_fields:
q.children.append(("%s__contains"% search_field,search_key))
return querysets.filter(q)
return querysets
# @login_required
def table_obj_list(request,app_name,model_name):
"""取出指定model里的数据返回给前端"""
#print("app_name,model_name:",site.enabled_admins[app_name][model_name])
admin_class = site.enabled_admins[app_name][model_name]
querysets = admin_class.model.objects.all().order_by('-id')
querysets,filter_condtions = get_filter_result(request,querysets)
admin_class.filter_condtions = filter_condtions
#searched queryset result
querysets = get_serached_result(request,querysets,admin_class)
admin_class.search_key = request.GET.get('_q','')
#sorted querysets
querysets,sorted_column = get_orderby_result(request,querysets,admin_class)
paginator = Paginator(querysets, 2) # Show 25 contacts per page
page = request.GET.get('_page')
try:
querysets = paginator.page(page)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
querysets = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
querysets = paginator.page(paginator.num_pages)
print(request.GET)
#print("admin class",admin_class.model )
return render(request,'kingadmin/table_obj_list.html', {'querysets':querysets,
'admin_class':admin_class,
'sorted_column':sorted_column})
# @login_required
def table_obj_change(request,app_name,model_name,obj_id):
"""kingadmin 数据修改页"""
admin_class = site.enabled_admins[app_name][model_name]
model_form = form_handle.create_dynamic_model_form(admin_class)
obj = admin_class.model.objects.get(id=obj_id)
if request.method == "GET":
form_obj = model_form(instance=obj)
elif request.method == "POST":
form_obj = model_form(instance=obj,data=request.POST)
if form_obj.is_valid():
form_obj.save()
return redirect("/kingadmin/%s/%s/" %(app_name,model_name))
# from crm.forms import CustomerForm
#
# form_obj = CustomerForm()
return render(request,'kingadmin/table_obj_change.html',locals())
def table_obj_add(request,app_name,model_name):
admin_class = site.enabled_admins[app_name][model_name]
model_form = form_handle.create_dynamic_model_form(admin_class,form_add=True)
if request.method == "GET":
form_obj = model_form()
elif request.method == "POST":
form_obj = model_form(data=request.POST)
if form_obj.is_valid():
form_obj.save()
return redirect("/kingadmin/%s/%s/" % (app_name, model_name))
return render(request,'kingadmin/table_obj_add.html',locals())
def acc_login(request):
error_msg = ''
if request.method == "POST":
username = request.POST.get('username')
password = request.POST.get('password')
user = authenticate(username=username,password=password)
if user:
print("passed authencation",user)
login(request,user)
#request.user = user
return redirect( request.GET.get('next','/kingadmin/') )
else:
error_msg = "Wrong username or password!"
return render(request, 'kingadmin/login.html', {'error_msg':error_msg})
def acc_logout(request):
logout(request)
return redirect("/login/")
views
标签：实战,obj,name,column,filter,admin,modelform,class,CRM 来源： https://www.cnblogs.com/jintian/p/11324566.html