1.轮播图——轮播图参数设置
2.组合搜索没整明白（解决）
models.py
class Classification(models.Model):
name = models.CharField(verbose_name='名称', max_length=32)
class Meta:
db_table = 'Classification'
def __str__(self):
return self.name
class Price(models.Model):
name = models.CharField(verbose_name='价格', max_length=32)
class Meta:
db_table = 'Price'
def __str__(self):
return self.name
class Goods(models.Model):
name = models.CharField(verbose_name='标题', max_length=32)
classification = models.ForeignKey(to='Classification',on_delete=models.CASCADE)
price = models.ForeignKey(to='Price',on_delete=models.CASCADE)
class Meta:
db_table = 'Goods'
def __str__(self):
return self.name
urls.py
re_path('select-(?P<classification_id>\d+)-(?P<price_id>\d+).html', index.select_goods),
path('goods.html', index.index_goods),
views.index.py
def index_goods(request):
print(1)
classification_list=models.Classification.objects.all()
price_list=models.Price.objects.all()
goods_list = models.Goods.objects.all()
#通过变量为对方设定初值0，为下一步通过变量改变值做准备
classification_id=0
price_id=0
return render(request,'goods.html',locals())
def select_goods(request,*args,**kwargs):
print(kwargs)
contains={}
#注意数据类型
classification_id=int(kwargs['classification_id'])
price_id=int(kwargs['price_id'])
#下面用法值得留意，遍历一个字典，k为键，v为值
# for k,v in kwargs.items():
# if int(v)==0:
# pass
# else:
# contains[k]=v
if classification_id==0:
pass
else:
contains['classification_id']=classification_id
if price_id==0:
pass
else:
contains['price_id']=price_id
goods_list=models.Goods.objects.filter(**contains)
classification_list = models.Classification.objects.all()
price_list = models.Price.objects.all()
return render(request,'goods.html',
{'goods_list':goods_list,
'classification_list':classification_list,
'price_list':price_list,
'classification_id':classification_id,
'price_id':price_id})
goods.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div>
{% if classification_id == 0 %}
<a href="/select-0-{{ price_id }}.html" style="background-color: #009999;color: white">全部</a>
{% else %}
<a href="/select-0-{{ price_id }}.html" >全部</a>
{% endif %}
{% for classification in classification_list %}
{% if classification_id == classification.id %}
<a href="/select-{{ classification.id }}-{{ price_id }}.html" style="background-color: #009999;color: white">{{ classification.name }}</a>
{% else %}
<a href="/select-{{ classification.id }}-{{ price_id }}.html" >{{ classification.name }}</a>
{% endif %}
{% endfor %}
</div>
<div>
{% if price_id == 0 %}
<a href="/select-{{ classification_id }}-0.html" style="background-color: #009999;color: white">全部</a>
{% else %}
<a href="/select-{{ classification_id }}-0.html" >全部</a>
{% endif %}
{% for price in price_list %}
{% if price_id == price.id %}
<a href="/select-{{ classification_id }}-{{ price.id }}.html" style="background-color: #009999;color: white">{{ price.name }}</a>
{% else %}
<a href="/select-{{ classification_id }}-{{ price.id }}.html">{{ price.name }}</a>
{% endif %}
{% endfor %}
</div>
<br>
<br>
<br>
<br>
<br>
<br>
<div>
{% for goods in goods_list %}
<p>{{ goods.name }}</p>
{% endfor %}
</div>
</body>
</html>
3.瀑布流
在admin 上传图片后，理论上与static文件夹下的图片没有关系，但是修改手动修改static下的图片，不会生效，需要重新修改admin内的上传文件。这是什么玩意？？？
.py
from django.shortcuts import render
from app01 import models
from django.http import JsonResponse
# Create your views here.
def pubuliu(request):
if request.method=='GET':
return render(request,'pubuliu.html')
if request.method=='POST':
result={'status':True,'data':None}
img_list = models.Image.objects.all().values('title', 'href')
img_list = list(img_list)
result['data']=img_list
return JsonResponse(result)
.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="/static/jquery-3.3.1.js"></script>
</head>
<style>
#div02 {
width: 1000px;
margin: 0 auto; /*很神奇,上下边距为0，左右自适应(在设定宽度的情况下左右居中)*/
}
#item {
width: 25%;
float: left;
}
#item img{
width: 100%;
}
</style>
<body>
<div><h1>图片墙</h1></div>
<div id="div02">
<div id="item"></div>
<div id="item"></div>
<div id="item"></div>
<div id="item"></div>
</div>
</body>
</html>
<script>
$(function () {
uploadImage();
});
function uploadImage() {
$.ajax({
url:'/pubuliu/',
type:'POST',
dataType: 'JSON',
success: function (arg) {
if (arg.status) {
var img_list = arg.data;
console.log(img_list);
$.each(img_list, function (k, v) {
var tag = document.createElement('img');
tag.src = '/' + v.href;
var label = document.createElement('label');
label.innerText = v.title;
var index = k % 4;
$('#div02').children().eq(index).append(tag,label);
})
}
}
})
}
</script>