stark - 数据列表

Posted 2020-11-19 alice-bj

一、效果图

二、数据列表

 知识点：

 

app01/stark.py

# -*- coding:utf-8 -*-
from stark.service import stark
from .models import *


class BookConfig(stark.ModelStark):

    list_display = [‘title‘, ‘price‘,‘publishDate‘]
    list_display_links = [‘title‘]


stark.site.register(Book, BookConfig)
stark.site.register(Publish)
stark.site.register(Author)
stark.site.register(AuthorDetail)

 

stark/service/stark.py

from django.conf.urls import url
from django.shortcuts import HttpResponse, reverse, redirect, render
from django.utils.safestring import mark_safe
from django.urls import reverse


class ModelStark(object):
    list_display = ["__str__"]
    list_display_links = []

    def __init__(self, model, site):
        self.model = model
        self.site = site

    def edit(self, obj=None, header=False):
        if header:
            return "操作"

        _url = self.get_change_url(obj)
        return mark_safe("<a href=‘%s‘>编辑</a>" % _url)

    def deletes(self, obj=None, header=False):
        if header:
            return ‘操作‘

        _url = self.get_delete_url(obj)
        return mark_safe("<a href=‘%s‘>删除</a>" % _url)

    def checkbox(self, obj=None, header = False):
        if header:
            return mark_safe("<input id=‘choice‘ type=‘checkbox‘>")
        return mark_safe("<input class=‘choice_item‘ type=‘checkbox‘>")

    def add_view(self, request):
        return HttpResponse(‘add_view‘)

    def delete_view(self, request, delete_id):
        return HttpResponse(‘delete_view‘)

    def change_view(self, request, change_id):
        return HttpResponse(‘change_view‘)

    def new_list_play(self):
        temp = []
        temp.append(ModelStark.checkbox)
        temp.extend(self.list_display)
        temp.append(ModelStark.edit)
        temp.append(ModelStark.deletes)

        return temp

    def get_change_url(self, obj):
        model_name = self.model._meta.model_name
        app_lable = self.model._meta.app_label

        _url = reverse("%s_%s_change" % (app_lable, model_name), args=(obj.pk,))

        return _url

    def get_delete_url(self, obj):
        model_name = self.model._meta.model_name
        app_label = self.model._meta.app_label

        _url = reverse("%s_%s_delete" % (app_label, model_name), args=(obj.pk,))

        return _url

    def get_add_url(self):
        model_name = self.model._meta.model_name
        app_label = self.model._meta.app_label

        _url = reverse("%s_%s_add" % (app_label, model_name))

        return _url

    def get_list_url(self):
        model_name = self.model._meta.model_name
        app_label = self.model._meta.app_label

        _url = reverse("%s_%s_list" % (app_label, model_name))

        return _url

    def list_view(self, request):
        data_list = self.model.objects.all()

        # 构建表头
        header_list = []
        # header_list = [‘选择‘，‘pk‘,...‘操作‘,‘操作‘]
        for field in self.new_list_play():
            if callable(field):
                val = field(self, header = True)
            else:
                if field == "__str__":
                    val = self.model._meta.model_name.upper()
                else:  # 根据str 拿字段对象 取中文
                    val = self.model._meta.get_field(field).verbose_name

            header_list.append(val)

        # 构建表单
        new_data_list = []
        for data in data_list:
            temp = []
            for field in self.new_list_play():  # [‘title‘,‘price‘] 字符串找对象得属性 反射
                print(‘field:‘, field)
                if callable(field):
                    val = field(self, data)
                else:
                    val = getattr(data, field)

                    if field in self.list_display_links:
                        _url = self.get_change_url(data)
                        val = mark_safe("<a href=‘%s‘>%s</a>" % (_url, val))

                temp.append(val)

            new_data_list.append(temp)   # [[‘yuan‘, 12], [‘alex‘, 18], [‘egon‘, 22]]

        return render(request, ‘list_view.html‘,locals())

    def get_urls2(self):
        temp = []

        model_name = self.model._meta.model_name
        app_label = self.model._meta.app_label

        temp.append(url(r‘add/‘, self.add_view, name="%s_%s_add" % (app_label, model_name)))
        temp.append(url(r‘(d+)/delete/‘, self.delete_view, name="%s_%s_delete" % (app_label, model_name)))
        temp.append(url(r‘(d+)/change/‘, self.change_view, name="%s_%s_change" % (app_label, model_name)))
        temp.append(url(r‘^$‘, self.list_view, name="%s_%s_list" % (app_label, model_name)))

        return temp

    @property
    def urls2(self):

        return self.get_urls2(), None, None


class StarkSite(object):
    def __init__(self):
        self._registry = {}

    def register(self, model, stark_class=None):
        if not stark_class:
            stark_class = ModelStark

        self._registry[model] = stark_class(model,self)


    def get_urls(self):
        temp = []
        
        # 模型表，配置类对象
        for model, stark_class_obj in self._registry.items():
            model_name = model._meta.model_name
            app_label = model._meta.app_label

            # 分发增删改查
            temp.append(url(r‘%s/%s/‘%(app_label,model_name), stark_class_obj.urls2))

        return temp

    @property
    def urls(self):

        return self.get_urls(), None, None


site = StarkSite()

 

 list_view.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="/static/bootstrap/css/bootstrap.css">
    <script src="/static/js/jquery-1.12.4.min.js"></script>
    <style type="text/css">
        
    </style>
</head>
<body>

<h4>数据列表</h4>

<div class="container">
    <div class="row">
        <div class="col-md-9">
            <table class="table table-bordered table-striped">
                <thead>
                    <tr>
                        {% for item in header_list %}
                            <th>{{ item }}</th>
                        {% endfor %}

                    </tr>

                </thead>
                <tbody>
                    {% for data in new_data_list %}
                        <tr>
                            {% for item in data %}
                                <td>{{ item }}</td>
                            {% endfor %}

                        </tr>
                    {% endfor %}

                </tbody>
            </table>
        </div>
    </div>
</div>

<script type="text/javascript">
    $(‘#choice‘).click(function () {
        if($(this).prop(‘checked‘)){
            $(‘.choice_item‘).prop(‘checked‘,true)
        }else{
            $(‘.choice_item‘).prop(‘checked‘,false)
        }
    })


</script>

</body>
</html>