None不能循环
变量和属性在模板内不能以下划线开头
admin_class.model._meta.model_name
网页：djangoproject.com
from diango.core.paginator import Paginator
p=Paginator(objects,2)：
p.count 总个数
p.num_pages 总页数
p.page_range 页码范围
p1=p.page(1) 第一页
p1.has_next() 是否有下一页
p1.object_list 显示这一页的数据
contact_list=Contacts.objects.all() 是一个生成器
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 column_name in 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 ele += td_ele else: td_ele = "<td>%s</td>" % 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 ''
{% extends 'kingadmin/index.html' %} {% load kingadmin_tags %} {% block right-content-container %} <h2 class="page-header">app</h2> <div> {{ querysets }} <form> <input type="search" placeholder="{% for s in admin_class.search_fields %}{{ s }},{% endfor %}" name="_q" value="{{ admin_class.search_key }}"> <input type="submit" value="Search"> {% for k,v in admin_class.filter_condtions.items %} <input type="hidden" name="{{ k }}" value="{{ v }}"> {% endfor %} </form> <div class="row"> {% if admin_class.list_filter %} <form > {% for filter_column in admin_class.list_filter %} {% build_filter_ele filter_column admin_class %} {% endfor %} <input type="hidden" name="_o" value="{% get_current_sorted_column_index sorted_column %}"> <input class="btn btn-success" type="submit" value="过滤"> </form> {% endif %} </div> <table class="table table-striped"> <thead> <tr> {% if admin_class.list_display %} {% for column in admin_class.list_display %} <th><a href="?_o={% get_sorted_column column sorted_column forloop.counter0 %}{% render_filtered_args admin_class%}"> {{ column }} {% render_sorted_arrow column sorted_column %} </a></th> {% endfor %} {% else %} <th>{% get_model_name admin_class %}</th> {% endif %} </tr> </thead> <tbody> {% for obj in querysets %} <tr>{% build_table_row obj admin_class %}</tr> {% endfor %} </tbody> </table> <div class="pagination"> {% render_paginator querysets admin_class sorted_column %} </div> </div> {% endblock %}
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 crm import models 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() 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}) 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/")
