组件搜索入门
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.condition a{
display: inline-block;
padding: 5px 8px;
border: 1px solid #dddddd;
}
.condition a.active{
background-color: coral;
color: white;
}
</style>
</head>
<body>
<div class="condition">
<h1>筛选</h1>
<div>
{# 全部进行的判断#}
{% if kwargs.classification_id == 0 %}
<a class="active" href="/video-0-{{ kwargs.level_id }}-{{ kwargs.status }}.html">全部</a>
{% else %}
<a href="/video-0-{{ kwargs.level_id }}-{{ kwargs.status }}.html">全部</a>
{% endif %}
{% for item in class_list %}
{% if item.id == kwargs.classification_id %}
<a href="/video-{{ item.id }}-{{ kwargs.level_id }}-{{ kwargs.status }}.html" class="active">{{ item.name }}</a>
{# 这里取的第一个是链接里要更换的，后面取取固定的#}
{% else %}
<a href="/video-{{ item.id }}-{{ kwargs.level_id }}-{{ kwargs.status }}.html">{{ item.name }}</a>
{% endif %}
{% endfor %}
</div>
<div>
<a href="/video-{{ kwargs.classification_id }}-0-{{ kwargs.status }}.html">全部</a>
{% for item in level_list %}
{% if item.id == kwargs.level_id %}
<a href="/video-{{ kwargs.classification_id }}-{{ item.id }}-{{ kwargs.status }}.html" class="active">{{ item.title }}</a>
{% else %}
<a href="/video-{{ kwargs.classification_id }}-{{ item.id }}-{{ kwargs.status }}.html">{{ item.title }}</a>
{% endif %}
{% endfor %}
</div>
<div>
<a href="/video-{{ kwargs.classification_id }}-{{ kwargs.level_id }}-0.html">全部</a>
{% for item in status_list %}
{% if item.id == kwargs.status %}
<a class="active" href="/video-{{ kwargs.classification_id }}-{{ kwargs.level_id }}-{{ item.id }}.html">{{ item.name }}</a>
{% else %}
<a href="/video-{{ kwargs.classification_id }}-{{ kwargs.level_id }}-{{ item.id }}.html">{{ item.name }}</a>
{% endif %}
{% endfor %}
</div>
</div>
<div>
<h1>结果</h1>
<div>
{% for row in video_list %}
<div>{{ row.title }}</div>
{% endfor %}
</div>
</div>
</body>
</html>
views
from django.shortcuts import render
from app01 import models
def video(request,*args,**kwargs):
print(kwargs)
condition = {
# 'level_id': 0,
# 'classification_id': 0,
}
for k,v in kwargs.items():
temp = int(v)
kwargs[k] = temp
if temp:#当其为0时不用进行搜索，models.Video.objects.filter(**condition)，因为这等于是全部不用进行排除
condition[k] = temp
class_list = models.Classification.objects.all()
level_list = models.Level.objects.all()
"""
status_choice = (
(1, '下线'),
(2, '上线'),
)
"""
status_list = list(map(lambda x:{'id':x[0],'name':x[1]},models.Video.status_choice))
video_list = models.Video.objects.filter(**condition)#这里的filter是寻找多个符合要求的标准，如下
# 'level_id': 0,
# 'classification_id': 0,
return render(
request,
'video.html',
{
'class_list':class_list,
'level_list':level_list,
'status_list':status_list,
'kwargs':kwargs,
'video_list':video_list,
}
)
def video2(request,*args,**kwargs):
condition = {}
for k, v in kwargs.items():
temp = int(v)
kwargs[k] = temp
print(kwargs) # (?P<direction_id>(\d+))-(?P<classification_id>(\d+))-(?P<level_id>(\d+))
# 构造查询字典
direction_id = kwargs.get('direction_id')
classification_id = kwargs.get('classification_id')
level_id = kwargs.get('level_id')
direction_list = models.Direction.objects.all()
if direction_id == 0:
class_list = models.Classification.objects.all()
if classification_id == 0:
pass
else:
condition['classification_id'] = classification_id
else:
direction_obj = models.Direction.objects.filter(id=direction_id).first()
class_list = direction_obj.classification.all()
vlist = direction_obj.classification.all().values_list('id')
if not vlist:
classification_id_list = []
else:
classification_id_list = list(zip(*vlist))[0]
if classification_id == 0:
condition['classification_id__in'] = classification_id_list
else:
if classification_id in classification_id_list:
condition['classification_id'] = classification_id
else:
#################指定方向：[1,2,3] 分类：5
condition['classification_id__in'] = classification_id_list
if level_id == 0:
pass
else:
condition['level_id'] = level_id
level_list = models.Level.objects.all()
video_list = models.Video.objects.filter(**condition)
return render(
request,
'video2.html',
{
'direction_list':direction_list,
'class_list':class_list,
'level_list':level_list,
'video_list':video_list,
}
)
"""
如果：direction_id 0
*列出所有的分类
如果 classification_id = 0：
pass
else:
condition['classification_id'] = classification_id
否则：direction_id != 0
*列表当前方向下的所有分类
如果 classification_id = 0：
获取当前方向下的所有分类 [1,2,3,4]
condition['classification_id__in'] = [1,2,3,4]
else:
classification_id != 0
获取当前方向下的所有分类 [1,2,3,4]
classification_id 是否在 [1,2,3,4] :
condition['classification_id'] = classification_id
else:
condition['classification_id__in'] = [1,2,3,4]
"""
# models.Video.objects.filter()
# return render(request,'video2.html')
urls
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<class_id>(\d+))-(?P<level_id>(\d+)).html$', views.video),
url(r'^video-(?P<classification_id>(\d+))-(?P<level_id>(\d+))-(?P<status>(\d+)).html$', views.video),
# url(r'^video.html', views.video),
url(r'^video2-(?P<direction_id>(\d+))-(?P<classification_id>(\d+))-(?P<level_id>(\d+)).html$', views.video2),
]
from django.shortcuts import render
from app01 import models
def video(request,*args,**kwargs):
print(kwargs)
condition = {
# 'level_id': 0,
# 'classification_id': 0,
}
for k,v in kwargs.items():
temp = int(v)
kwargs[k] = temp
if temp:#当其为0时不用进行搜索，models.Video.objects.filter(**condition)，因为这等于是全部不用进行排除
condition[k] = temp
class_list = models.Classification.objects.all()
level_list = models.Level.objects.all()
"""
status_choice = (
(1, '下线'),
(2, '上线'),
)
"""
status_list = list(map(lambda x:{'id':x[0],'name':x[1]},models.Video.status_choice))
video_list = models.Video.objects.filter(**condition)#这里的filter是寻找多个符合要求的标准，如下
# 'level_id': 0,
# 'classification_id': 0,
return render(
request,
'video.html',
{
'class_list':class_list,
'level_list':level_list,
'status_list':status_list,
'kwargs':kwargs,
'video_list':video_list,
}
)
def video2(request,*args,**kwargs):
condition = {}
for k, v in kwargs.items():
temp = int(v)
kwargs[k] = temp
print(kwargs) # (?P<direction_id>(\d+))-(?P<classification_id>(\d+))-(?P<level_id>(\d+))
# 构造查询字典
direction_id = kwargs.get('direction_id')
classification_id = kwargs.get('classification_id')
level_id = kwargs.get('level_id')
direction_list = models.Direction.objects.all()
if direction_id == 0:
class_list = models.Classification.objects.all()
if classification_id == 0:
pass
else:
condition['classification_id'] = classification_id
else:
direction_obj = models.Direction.objects.filter(id=direction_id).first()
class_list = direction_obj.classification.all()
vlist = direction_obj.classification.all().values_list('id')
if not vlist:
classification_id_list = []
else:
classification_id_list = list(zip(*vlist))[0]
if classification_id == 0:
condition['classification_id__in'] = classification_id_list
else:
if classification_id in classification_id_list:
condition['classification_id'] = classification_id
else:
#################指定方向：[1,2,3] 分类：5
condition['classification_id__in'] = classification_id_list
if level_id == 0:
pass
else:
condition['level_id'] = level_id
level_list = models.Level.objects.all()
video_list = models.Video.objects.filter(**condition)
return render(
request,
'video2.html',
{
'direction_list':direction_list,
'class_list':class_list,
'level_list':level_list,
'video_list':video_list,
}
)
"""
如果：direction_id 0
*列出所有的分类
如果 classification_id = 0：
pass
else:
condition['classification_id'] = classification_id
否则：direction_id != 0
*列表当前方向下的所有分类
如果 classification_id = 0：
获取当前方向下的所有分类 [1,2,3,4]
condition['classification_id__in'] = [1,2,3,4]
else:
classification_id != 0
获取当前方向下的所有分类 [1,2,3,4]
classification_id 是否在 [1,2,3,4] :
condition['classification_id'] = classification_id
else:
condition['classification_id__in'] = [1,2,3,4]
"""
# models.Video.objects.filter()
# return render(request,'video2.html')
