多筛选框实现
效果：
settions.py
"""
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'^video-(?P<direction_id>\d+)-(?P<classification_id>\d+)-(?P<level_id>\d+).html', views.video),
]
views.py
def video(request,*args,**kwargs):
print(kwargs)
print(request.path) #/video-1-1-1.html 得到路径
direction_list = models.Direction.objects.all().values('id','name')
print(direction_list) #<QuerySet [{'name': '运维自动化', 'id': 1}, {'name': '虚拟化', 'id': 2}, {'name': '全栈', 'id': 3}, {'name': '测试', 'id': 4}]>
class_list = models.Classification.objects.all().values('id', 'name')
print(class_list) #<QuerySet [{'name': 'Python', 'id': 1}, {'name': 'JavaScript', 'id': 2}, {'name': 'Linux', 'id': 3}, {'name': 'OpenStack', 'id': 4}]>
# level_list = models.Video.level_choice
ret = map(lambda x:{"id": x[0], 'name': x[1]}, models.Video.level_choice)
level_list = list(ret)
print(level_list)##[{'name': '初级', 'id': 1}, {'name': '中级', 'id': 2}, {'name': '高级', 'id': 3}]
return render(request, 'video.html', {'direction_list': direction_list,
'class_list': class_list,
'level_list': level_list,
'current_url': request.path})
models.py 数据库配置
from django.db import models
from django.shortcuts import render,HttpResponse
# Create your models here.
from django.db import models
class BxSlider(models.Model):
status_choice = (
(0, u'下线'),
(1, u'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/images/focus/')
href = models.CharField(max_length=256)
create_date = models.DateTimeField(auto_now_add=True)
class Meta:
db_table = 'BxSlider'
verbose_name_plural = u'首页轮播'
def __str__(self):
return self.name
class Course(models.Model):
status_choice = (
(0, u'下线'),
(1, u'上线'),
)
status = models.IntegerField(verbose_name='状态', choices=status_choice, default=1)
weight = models.IntegerField(verbose_name='权重', default=0)
icon = models.ImageField(verbose_name='图标', upload_to='./static/images/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=40, default='summary')
class Meta:
db_table = 'Course'
verbose_name_plural = u'课程'
def __str__(self):
return self.name
class Student(models.Model):
status_choice = (
(0, u'下线'),
(1, u'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)
pic = models.ImageField(verbose_name='学员头像', upload_to='./static/images/student_pic/', null=True, blank=True)
name = models.CharField(verbose_name='名称', max_length=32, db_index=True, unique=True)
company = models.CharField(verbose_name='就业单位', max_length=32)
salary = models.CharField(verbose_name='薪水', max_length=32)
class Meta:
db_table = 'Student'
verbose_name_plural = u'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)
letter_of_thanks = models.CharField(verbose_name='学员感谢信', max_length=256)
class Meta:
db_table = 'StudentDetail'
verbose_name_plural = u'学生更多信息'
def __str__(self):
return self.student.name
class Recruit(models.Model):
status_choice = (
(0, u'已过期'),
(1, u'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(max_length=20)
salary = models.CharField(max_length=20)
company = models.CharField(max_length=20)
detail = models.TextField()
deadline = models.DateField()
class Meta:
db_table = 'Recruit'
verbose_name_plural = u'招聘信息'
def __str__(self):
return self.title
class Cooperation(models.Model):
weight = models.IntegerField(verbose_name='权重（按从大到小排列）', default=0)
href = models.CharField(verbose_name='企业连接', max_length=20, default='javascript:void(0)')
logo = models.ImageField(verbose_name='企业LOGO', upload_to='./static/images/cooperation/')
company = models.CharField(verbose_name='公司名称', max_length=20)
class Meta:
db_table = 'Cooperation'
verbose_name_plural = u'企业合作'
def __str__(self):
return self.company
class Notice(models.Model):
status_choice = (
(0, u'不显示'),
(1, u'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 = u'最新公告（如：开班信息）'
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 = u'方向（视频方向）'
def __str__(self):
return self.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 = u'分类（视频分类）'
def __str__(self):
return self.name
class Video(models.Model):
status_choice = (
(0, u'下线'),
(1, u'上线'),
)
level_choice = (
(1, u'初级'),
(2, u'中级'),
(3, u'高级'),
)
status = models.IntegerField(verbose_name='状态', choices=status_choice, default=1)
level = models.IntegerField(verbose_name='级别', choices=level_choice, default=1)
classification = models.ForeignKey('Classification', null=True, blank=True)
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)
summary = models.CharField(verbose_name='简介', max_length=32)
img = models.ImageField(verbose_name='图片', upload_to='./static/images/Video/')
href = models.CharField(verbose_name='视频地址', max_length=256)
create_date = models.DateTimeField(auto_now_add=True)
class Meta:
db_table = 'Video'
verbose_name_plural = u'视频'
def __str__(self):
return self.title
templatetags下的自定义功能文件
from django import template
from django.utils.safestring import mark_safe
# from django.template.base import resolve_variable, Node, TemplateSyntaxError
register = template.Library()
@register.simple_tag
def action1(current_url, item):
# videos-0-0-1.html
# item: id name
url_part_list = current_url.split('-')
print(current_url, 'aaaa')
print(item, 'iii') # 更具循环拿出他的{'id': 3, 'name': '全栈'}
url_part_list[1] = str(item['id'])
print(url_part_list[1]) # videos-0-0-1.html 索引第二个值
print(url_part_list) ##得到['/video', '3', '1', '1.html']
ur_str = '-'.join(url_part_list)
temp = "<a href='%s'>%s</a>" % (ur_str, item['name'])
print(temp) # <a href='/video-3-1-3.html'>全栈</a>
return mark_safe(temp)
@register.simple_tag
def action2(current_url, item):
# videos-0-0-1.html
# item: id name
url_part_list = current_url.split('-')
url_part_list[2] = str(item['id'])
print(url_part_list)
ur_str = '-'.join(url_part_list)
temp = "<a href='%s'>%s</a>" % (ur_str, item['name'])
return mark_safe(temp)
@register.simple_tag
def action3(current_url, item):
# videos-0-0-1.html
# item: id name
url_part_list = current_url.split('-')
url_part_list[3] = str(item['id']) + '.html'
print(url_part_list)
ur_str = '-'.join(url_part_list)
temp = "<a href='%s'>%s</a>" % (ur_str, item['name'])
return mark_safe(temp)
video.html
{% load xx %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
a{
display: inline-block;
padding: 8px;
}
</style>
</head>
<body>
<h3>选择：</h3>
<div>
<a>全部</a>：
{% for item in direction_list %}
{% action1 current_url item %}
{% endfor %}
</div>
<div>
<a>全部</a>：
{% for item in class_list %}
{% action2 current_url item %}
{% endfor %}
</div>
<div>
<a>全部</a>：
{% for item in level_list %}
{% action3 current_url item %}
{% endfor %}
</div>
<hr />
<div>
</div>
<h3>视频：</h3>
<hr />
</body>
</html>
