Django 分类标签查找

from django.conf.urls import url
from django.contrib import admin
from blog.views import index,student,student1,video

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^index/', index),
    url(r'^student/',student),
    url(r'^student1/',student1),
    url(r'^video-(?P<direction_id>d+)-(?P<class_id>d+)-(?P<level_id>d+).html',video),
]

simpletag

#！/usr/bin/env python
# -*- coding:utf-8 -*-
from django import template
from django.utils.safestring import mark_safe

register = template.Library()


@register.simple_tag
def my_simple_time(v1, v2, v3):
    return v1 + v2 + v3

@register.simple_tag
def detail1(item,counter,allcount,remainder):
    temp = '''
    <div style=" 205px;">
            <img style=" 205px;height: 220px" src="/%s">
            <p>%s</p>
            <p>%s</p>
            <p>%s</p>
            <p>%s</p>
    </div>
    '''
    if counter%allcount ==remainder:
        temp = temp % (
            item['student__pic'],
            item['student__name'],
            item['student__salary'],
            item['student__company'],
            item['litter_thanks'],
        )
        return mark_safe(temp)
    else:
        return ''

@register.filter
def detail2(value,args):
    allcount,remainder = args.split(',')
    allcount = int(allcount)
    remainder = int(remainder)
    if value%allcount ==remainder:
        return True
    return False

@register.simple_tag
def action(current_url,item,index):
    url_list = current_url.split('-')
    if index ==3:
        if str(item['id']) ==url_list[index].split('.')[0]:
            temp = "<a href=%s class='active'>%s</a>"
        else:
            temp = '<a href=%s>%s</a>'
        url_list[index] = str(item['id'])+'.html'
    else:
        if str(item['id']) == url_list[index]:
            temp = "<a href=%s class='active'>%s</a>"
        else:
            temp = '<a href=%s>%s</a>'
        url_list[index] = str(item['id'])
    url_str = '-'.join(url_list)
    temp = temp%(url_str,item['name'])
    return mark_safe(temp)

@register.simple_tag
def action_all(current_url,index):
    url_list = current_url.split('-')
    if index ==3:
        if url_list[index]=='0.html':
            temp = "<a href=%s class='active'>全部</a>"
        else:
            temp = "<a href=%s >全部</a>"
        url_list[index]= '0.html'
    else:
        if url_list[index] == '0':
            temp = "<a href=%s class='active'>全部</a>"
        else:
            temp = "<a href=%s >全部</a>"
        url_list[index] = '0'

    href = '-'.join(url_list)
    temp = temp % (href,)
    return mark_safe(temp)

admin

from django.contrib import admin
from blog import models
# Register your models here.
admin.site.register(models.BxSlider)
admin.site.register(models.Classification)
#admin.site.register(models.Course)
admin.site.register(models.Direction)
#admin.site.register(models.Notice)
#admin.site.register(models.Recruit)
admin.site.register(models.Student)
admin.site.register(models.Studentdetail)
admin.site.register(models.Video)

models

from django.db import models

# Create your models here.
class BxSlider (models.Model):
    status_choice = (
        (0, '下线'),
        (1, '上线'),
    )
    status = models.IntegerField(choices=status_choice,default=1)
    name = models.CharField(max_length=32,db_index=True,unique=True)
    img = models.ImageField(upload_to='./static/imgs/focus/')
    href = models.CharField(max_length=256)
    creat_date = models.DateTimeField(auto_now_add=True)

    class Meta:
        db_table = 'BxSlider'
        verbose_name_plural = '首页轮播'
    def __str__(self):
        return self.name

class Notice(models.Model):
    status_choice=(
        (0,'不显示'),
        (1,'显示'),
    )
    status = models.IntegerField(verbose_name='状态',choices=status_choice,default=0)
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）',default=0)
    title = models.CharField(verbose_name='标题',max_length=32)
    content = models.CharField(verbose_name='简介',max_length=256)
    detail = models.TextField(verbose_name='公告详细',null=True,blank=True)
    class Meta:
        db_table='Notice'
        verbose_name_plural='最新公告（开班信息等）'
    def __str__(self):
        return self.title

class Course(models.Model):
    status_choice=(
        (0,'下线'),
        (1,'上线'),
    )
    status = models.IntegerField(verbose_name='状态',choices=status_choice,default=1)
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）',default=0)
    icon = models.ImageField(verbose_name='图标',upload_to='./static/imgs/icon',null=True,blank=True)
    name = models.CharField(verbose_name='名称',max_length=32,db_index=True,unique=True)
    summary = models.CharField(verbose_name='简介',max_length=46,default='summary')

    class Meta:
        db_table='Course'
        verbose_name_plural='课程'
    def __str__(self):
        return self.name

class Recruit(models.Model):
    status_choice=(
        (0,'已过期'),
        (1,'招聘中'),
    )
    status = models.IntegerField(verbose_name='状态',choices=status_choice,default=1)
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）',default=0)
    title = models.CharField(verbose_name='标题',max_length=32)
    salary = models.CharField(verbose_name='薪水',max_length=25)
    conpany = models.CharField(max_length=20)
    detail = models.TextField(verbose_name='详细')
    deadline=models.DateField()
    class Meta:
        db_table='Recruit'
        verbose_name_plural='招聘信息'
    def __str__(self):
        return self.title

class Student(models.Model):
    status_choice = (
        (0, '不显示'),
        (1, '显示'),
    )
    status = models.IntegerField(verbose_name='状态',choices=status_choice,default=0)
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）',default=0)
    name = models.CharField(verbose_name='名称',max_length=32,db_index=True,unique=True)
    pic = models.ImageField(verbose_name='头像',upload_to='./static/imgs/stu_pic/',null=True)
    company = models.CharField(verbose_name='就业单位', max_length=32)
    salary = models.CharField(verbose_name='薪水', max_length=25)
    class Meta:
        db_table='Student'
        verbose_name_plural='学生信息'
    def __str__(self):
        return self.name

class Studentdetail(models.Model):
    student = models.OneToOneField('Student')
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）',default=0)
    litter_thanks= models.CharField(verbose_name='感谢信',max_length=256)
    class Meta:
        db_table='Studentdetail'
        verbose_name_plural='学生更多信息'
    def __str__(self):
        return self.student.name

class Classification(models.Model):
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）', default=0)
    name = models.CharField(verbose_name='名称', max_length=32)
    class Meta:
        db_table='Classification'
        verbose_name_plural='课程视频分类'
    def __str__(self):
        return self.name

class Video(models.Model):
    status_choice=(
        (0,'下线'),
        (1,'上线'),
    )
    level_choice=(
        (1,'初级'),
        (2,'中级'),
        (3,'高级'),
    )
    status = models.IntegerField(verbose_name='状态',choices=status_choice,default=1)
    level = models.IntegerField(verbose_name='状态', choices=level_choice, default=1)
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）',default=0)
    img = models.ImageField(verbose_name='图像',upload_to='./static/imgs/video/',null=True,blank=True)
    name = models.CharField(verbose_name='名称',max_length=32,db_index=True,unique=True)
    summary = models.CharField(verbose_name='简介',max_length=46,default='summary')
    title = models.CharField(verbose_name='标题', max_length=32)
    href = models.CharField(max_length=256)
    creat_date = models.DateTimeField(auto_now_add=True)
    classification = models.ForeignKey('Classification',null=True,blank=True)
    class Meta:
        db_table='Video'
        verbose_name_plural='课程视频'
    def __str__(self):
        return self.title

class Direction(models.Model):
    weight = models.IntegerField(verbose_name='权重（按从大到小排列）', default=0)
    name = models.CharField(verbose_name='名称', max_length=32)
    classification = models.ManyToManyField('Classification')
    class Meta:
        db_table='Direction'
        verbose_name_plural='视频方向'
    def __str__(self):
        return self.name

views

from django.shortcuts import render,HttpResponse
from blog import models
import json
# Create your views here.
def index(request):
    queryset_dict = models.BxSlider.objects.filter(status=1).values('img','href','name')
    return render(request,'index.html',{'queryset_dict':queryset_dict})

def student(request):
    #student
    # studentdetail
    detail_list = models.Studentdetail.objects.filter(student__status=1).values('litter_thanks','student__name','student__company','student__salary','student__pic')
    print(detail_list)
    return render(request,'student.html',{'detail_list':detail_list})

def student1(request):
    if request.method =='POST':
        detail_list = models.Studentdetail.objects.filter(student__status=1).values('litter_thanks', 'student__name',
                                                                                    'student__company',
                                                                                    'student__salary', 'student__pic')
        detail_list = list(detail_list)
        return HttpResponse(json.dumps(detail_list))
    #student
    # studentdetail
    #detail_list = models.Studentdetail.objects.filter(student__status=1).values('litter_thanks','student__name','student__company','student__salary','student__pic')

    return render(request,'student1.html')

def video(request,*args,**kwargs):
    current_url = request.path
    q = {}
    q['status'] = 1
    drection_list = models.Direction.objects.all().values('id','name')
    if kwargs.get('direction_id')=='0':
        classifi_list = models.Classification.objects.all().values('id', 'name')
        if kwargs.get('class_id')=='0':
            pass
        else:
            q['classification_id__in'] = [kwargs.get('class_id'),]
    else:
        if kwargs.get('class_id')=='0':
            obj = models.Direction.objects.get(id = int(kwargs.get('direction_id')))
            classifi_list = obj.classification.all().values('id', 'name')
            id_list = list(map(lambda x: x['id'], classifi_list))
            q['classification_id__in']=id_list
        else:
            obj = models.Direction.objects.get(id=int(kwargs.get('direction_id')))
            classifi_list = obj.classification.all().values('id', 'name')
            id_list = list(map(lambda x:x['id'],classifi_list))
            q['classification_id__in'] = [kwargs.get('class_id'),]
            if int(kwargs.get('class_id')) in id_list:
                pass
            else:
                url_part_list = current_url.split('-')
                url_part_list['2']='0'
                current_url = '-'.join(url_part_list)
    level_id = int(kwargs.get('level_id'))
    if level_id ==0:
        pass
    else:
        q['level']= level_id
    video_list = models.Video.objects.filter(**q).values('title','summary','img','href')

    ret = map(lambda x:{'id':x[0],'name':x[1]},models.Video.level_choice)
    leve_list =list(ret)
    print(kwargs)

    return render(request, 'video.html',{'drection_list':drection_list,
                                         'classifi_list':classifi_list,
                                         'leve_list':leve_list,
                                         'current_url':current_url,
                                         'video_list':video_list})

video.html

{% load xxx %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        a{
            padding: 5px;
            display: inline-block;
        }
        .active{
            background-color: orange;
            color: white;
        }
        .item{
            display: inline-block;
            width: 205px;
            height: 240px;
        }
        .item img{
            border: 0;
            width:205px;
            height:240px;
        }
    </style>
</head>
<body>
<h3>选择：</h3>
<hr/>
<div>
    {% action_all current_url 1 %}
    {% for item in drection_list %}
        {% action current_url item 1 %}
    {% endfor %}
</div>
<div>
    {% action_all current_url 2 %}
    {% for item in classifi_list %}
        {% action current_url item 2 %}
    {% endfor %}
</div>
<div>
    {% action_all current_url 3 %}
    {% for item in leve_list %}
        {% action current_url item 3 %}
    {% endfor %}
</div>
<h3>视频：</h3>
<hr/>
{% for item in video_list %}
<a class="item" href="{{ item.href }}">
    <img src="/{{ item.img }}"/>
    <p>{{ item.title }}</p>
    <p>{{ item.summary }}</p>
</a>
{% endfor %}
</body>
</html>

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link href="/static/plugins/bxslider/jquery.bxslider.css" rel="stylesheet"/>
</head>
<body>
<ul class="bxslider">
    {% for item in queryset_dict %}
    <li>
        <a href="{{ item.href }}">
            <img src="/{{ item.img }}" alt="{{ item.name }}">
        </a>
    </li>
    {% endfor %}
</ul>
<script src="/static/js/jquery-3.2.1.min.js"></script>
<script src="/static/plugins/bxslider/jquery.bxslider.min.js"></script>
<script>
    $(document).ready(function(){
    $('.bxslider').bxSlider();
});
</script>
</body>
</html>

student

{% load xxx %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
    .clearfix:after{
        content: '.';
        visibility:hidden;
        height: 0;
        clear: both;
        display: block;
    }
    </style>
</head>
<body>

<div style="margin: 0 auto; 980px" class="clearfix">
    <div style=" 245px;float:left;">
        {% for item in detail_list %}
            {% detail1 item forloop.counter 4 1 %}
        {% endfor %}
    </div>
    <div style=" 245px;float:left;">
        {% for item in detail_list %}
            {% detail1 item forloop.counter 4 2 %}
        {% endfor %}
    </div>
    <div style=" 245px;float:left;">
        {% for item in detail_list %}
            {% detail1 item forloop.counter 4 3 %}
        {% endfor %}
    </div>
    <div style=" 245px;float:left;">
        {% for item in detail_list %}
            {% if forloop.counter|detail2:'4,0' %}
            <div style=" 205px;">
                <img style=" 205px;height: 220px" src="/{{ item.student__pic }}">
                <p>{{ item.student__name }}</p>
                <p>{{ item.student__salary }}</p>
                <p>{{ item.student__company }}</p>
                <p>{{ item.litter_thanks }}</p>
            </div>
            {% endif %}
        {% endfor %}
    </div>
</div>

</body>
</html>