settings.py
INSTALLED_APPS = [
‘django.contrib.admin‘,
‘django.contrib.auth‘,
‘django.contrib.contenttypes‘,
‘django.contrib.sessions‘,
‘django.contrib.messages‘,
‘django.contrib.staticfiles‘,
‘app01.apps.App01Config‘,
‘app02.apps.App02Config‘,
‘stark.apps.StarkConfig‘,
]
urls.py
from stark.sites import site
urlpatterns = [
url(r‘^admin/‘, admin.site.urls),
url(r‘^stark/‘, site.urls),
]
stark/apps.py
from django.utils.module_loading import autodiscover_modules
class StarkConfig(AppConfig):
name = ‘stark‘
def ready(self):
autodiscover_modules(‘stark‘)
stark/sites.py
from django.utils.safestring import mark_safe
from django.shortcuts import HttpResponse,render,redirect
from django.core.urlresolvers import reverse
from django.forms import ModelForm
class DataList:
def __init__(self,config,obj_list):
self.config=config
self.obj_list=obj_list
def get_header_list(self):
header_list = []
for i in self.config.new_list_display():
if isinstance(i, str):
if i == "__str__":
val = self.config.model._meta.model_name.upper()
else:
filed_obj = self.config.model._meta.get_field(i)
val = filed_obj.verbose_name
else:
val = i(is_header=True)
header_list.append(val)
return header_list
def get_body_list(self):
new_data_list = []
for obj in self.obj_list:
tmp = []
for filed in self.config.new_list_display():
if isinstance(filed, str):
try:
from django.db.models.fields.related import ManyToManyField
filed_obj = self.config.model._meta.get_field(filed)
if isinstance(filed_obj, ManyToManyField):
li = []
for i in getattr(obj, filed).all():
li.append(str(i))
val = ",".join(li)
else:
val = getattr(obj, filed)
except Exception as e:
val = getattr(obj, filed)
else:
val = filed(obj=obj)
tmp.append(val)
new_data_list.append(tmp)
return new_data_list
class ModelStark:
list_display = (‘__str__‘,)
search_fields=[]
actions=[]
def __init__(self,model,site):
self.model=model
self.site=site
def edit(self,is_header=False,obj=None):
if is_header:
return "操作"
info = self.model._meta.app_label, self.model._meta.model_name
return mark_safe(‘<a class="btn btn-warning" href="%s">编辑</a>‘%reverse(‘%s_%s_change‘%info,args=(obj.pk,)))
def delete(self,is_header=False,obj=None):
if is_header:
return "操作"
info = self.model._meta.app_label, self.model._meta.model_name
return mark_safe(‘<a class="btn btn-danger" href="%s">删除</a>‘%reverse(‘%s_%s_delete‘%info,args=(obj.pk,)))
def checkbox(self, obj=None, is_header=False):
if is_header:
return "选择"
return mark_safe("<input type=‘checkbox‘ name=checked_data value=%s>" % obj.pk)
def new_list_display(self):
tmp=[]
tmp.append(self.checkbox)
tmp.extend(self.list_display)
tmp.append(self.edit)
tmp.append(self.delete)
return tmp
def get_search_condition(self,request):
from django.db.models import Q
search_condition=Q()
search_condition.connector="or"
val=request.GET.get("q")
if val:
for field in self.search_fields:
search_condition.children.append((field+"__contains",val))
return search_condition
def get_actions_list(self):
li=[]
for func in self.actions:
dic={}
dic["name"]=func.__name__
dic["desc"]=func.desc
li.append(dic)
return li
def get_list_url(self):
info = self.model._meta.app_label, self.model._meta.model_name
return reverse(‘%s_%s_list‘%info)
def list_view(self,request):
if request.method=="POST":
print(request.POST)
action=request.POST.get("action")
checked_data=request.POST.getlist("checked_data")
action=getattr(self,action)
action(checked_data)
search_condition=self.get_search_condition(request)
from django.db.models import Q
filter_condition = Q()
for key, value in request.GET.items():
filter_condition.children.append((key, value))
obj_list = self.model.objects.all().filter(search_condition).filter(filter_condition)
data_list=DataList(self,obj_list)
return render(request, "list.html", locals())
def get_modelform(self):
from django.forms import ModelForm
class StarkModelForm(ModelForm):
class Meta:
model=self.model
fields="__all__"
return StarkModelForm
def add_view(self,request):
if request.method=="POST":
form= self.get_modelform()(request.POST)
if form.is_valid():
form.save()
return redirect(self.get_list_url())
else:
return render(request, "add.html", locals())
form=self.get_modelform()()
return render(request, "add.html", locals())
def delete_view(self,request,nid):
if request.method == "POST":
self.model.objects.get(pk=nid).delete()
return redirect(self.get_list_url())
url = self.get_list_url()
return render(request, "delete.html", locals())
def extra_url(self):
return []
def change_view(self,request,nid):
obj = self.model.objects.filter(pk=nid).first()
if request.method == "POST":
form = self.get_modelform()(request.POST, instance=obj)
if form.is_valid():
form.save()
return redirect(self.get_list_url())
form = self.get_modelform()(instance=obj)
return render(request, "change.html", locals())
@property
def get_url2(self):
from django.conf.urls import url
info = self.model._meta.app_label, self.model._meta.model_name
urlpatterns = [
url(r‘^$‘, self.list_view, name=‘%s_%s_list‘ % info),
url(r‘^add/$‘, self.add_view, name=‘%s_%s_add‘ % info),
url(r‘^(\d+)/delete/$‘, self.delete_view, name=‘%s_%s_delete‘ % info),
url(r‘^(\d+)/change/$‘, self.change_view, name=‘%s_%s_change‘ % info),
]
return urlpatterns
class StarkSite(object):
def __init__(self, name=‘stark‘):
self._registry = {} # model_class class -> admin_class instance
self.name = name
def register(self, model, admin_class=None, **options):
if not admin_class:
admin_class = ModelStark
self._registry[model] = admin_class(model, self)
def get_url(self):
from django.conf.urls import url
urlpatterns=[]
for model,model_stark in self._registry.items():
urlpatterns+=[
url(r‘^%s/%s/‘%(model._meta.app_label, model._meta.model_name),(model_stark.get_url2,None,None)),
]
return urlpatterns
@property
def urls(self):
return self.get_url(),None,None
site = StarkSite()
app01/models.py
from django.db import models
# Create your models here.
class Author(models.Model):
nid = models.AutoField(primary_key=True)
name = models.CharField(max_length=32,verbose_name="姓名")
age = models.IntegerField(verbose_name="年龄")
# 与AuthorDetail建立一对一的关系
authorDetail = models.OneToOneField(to="AuthorDetail")
def __str__(self):
return self.name
class AuthorDetail(models.Model):
nid = models.AutoField(primary_key=True)
birthday = models.DateField()
telephone = models.BigIntegerField()
addr = models.CharField(max_length=64)
def __str__(self):
return self.addr
class Publish(models.Model):
nid = models.AutoField(primary_key=True)
name = models.CharField(max_length=32)
city = models.CharField(max_length=32)
email = models.EmailField()
def __str__(self):
return self.name
class Book(models.Model):
nid = models.AutoField(primary_key=True)
title = models.CharField(max_length=32,verbose_name="书名")
publishDate = models.DateField(verbose_name="发行日期")
price = models.DecimalField(max_digits=5, decimal_places=2,verbose_name="价格")
keepNum = models.IntegerField()
commentNum = models.IntegerField()
# 与Publish建立一对多的关系,外键字段建立在多的一方
publish = models.ForeignKey(to="Publish", to_field="nid",verbose_name="出版社")
# 与Author表建立多对多的关系,ManyToManyField可以建在两个模型中的任意一个，自动创建第三张表
authors = models.ManyToManyField(to=‘Author‘,verbose_name="作者")
def __str__(self):
return self.title
app01/stark.py
from stark.sites import site,ModelStark
from .models import *
# Register your models here.
class BookStark(ModelStark):
list_display = ("title","publishDate","price","publish","authors")
search_fields = ["title"]
def patch_delete(self,selected_pk):
self.model.objects.filter(pk__in=selected_pk).delete()
patch_delete.desc="批量删除"
actions=[patch_delete]
site.register(Author)
site.register(AuthorDetail)
site.register(Publish)
site.register(Book,BookStark)
templates/list.html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Title</title>
<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
</head>
<body>
<h3>查看数据</h3>
<div class="container">
<div class="row">
<div class="col-md-8">
{% if self.search_fields %}
<form class="form-inline pull-right" method="get" action="" style="margin-bottom: 10px">
{% else %}
<form class="form-inline pull-right hidden" method="get" action="" style="margin-bottom: 10px">
{% endif %}
{% csrf_token %}
<div class="form-group">
<input type="text" class="form-control" name="q">
</div>
<button type="submit" class="btn btn-default">搜索</button>
</form>
<form action="" method="post">
{% csrf_token %}
<select class="form-control pull-left" name="action" style="width: auto">
{% for action in self.get_actions_list %}
<option value="{{ action.name }}">{{ action.desc }}</option>
{% endfor %}
</select>
<input type="submit" class="btn btn-default" value="执行">
<table class="table table-bordered table-hover table-striped">
<thead>
<tr>
{% for foo in data_list.get_header_list %}
<th>{{ foo }}</th>
{% endfor %}
</tr>
</thead>
<tbody>
{% for new_data in data_list.get_body_list %}
<tr>
{% for foo in new_data %}
<td>{{ foo }}</td>
{% endfor %}
</tr>
{% endfor %}
</tbody>
</table>
</form>
</div>
</div>
</div>
</body>
</html>
templates/add.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<style>
input[id], select {
display: block;
width: 100%;
height: 34px;
padding: 6px 12px;
font-size: 14px;
line-height: 1.42857143;
color: #555;
background-color: #fff;
background-image: none;
border: 1px solid #ccc;
border-radius: 4px;
-webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
-webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
-o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}
</style>
</head>
<body>
<h3>添加页面</h3>
{% include ‘form.html‘ %}
</body>
</html>
templates/change.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<style>
input[id], select {
display: block;
width: 100%;
height: 34px;
padding: 6px 12px;
font-size: 14px;
line-height: 1.42857143;
color: #555;
background-color: #fff;
background-image: none;
border: 1px solid #ccc;
border-radius: 4px;
-webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
-webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
-o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}
</style>
</head>
<body>
<h3>编辑页面</h3>
{% include ‘form.html‘ %}
</body>
</html>
templates/form.html
<div class="container">
<div class="row">
<div class="col-md-8 col-md-offset-1">
<form action="" method="post" novalidate>
{% csrf_token %}
{% for field in form %}
<div class="form-group">
<label for="">{{ field.label }}</label>
{{ field }} <span class="pull-right" style="color: red">{{ field.errors.0 }}</span>
</div>
{% endfor %}
<input type="submit" class="btn btn-default">
</form>
</div>
</div>
</div>
templates/delete.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
</head>
<body>
<h3>删除页面</h3>
<form action="" method="post">
{% csrf_token %}
<input type="submit" value="确认删除">
<a href="{{ url }}">取消</a>
</form>
</body>
</html>
原文地址：https://www.cnblogs.com/guoyunlong666/p/9241563.html
时间： 2024-08-29 17:11:31