标签：数据集 方式 编号 def 文件的 名称 null .ajax prim
STATIC_URL = ‘/static/‘
STATICFILES_DIRS = [
os.path.join(BASE_DIR, ‘static‘),
]
class AreaInfo(models.Model):
aid = models.IntegerField(primary_key=True)
atitle = models.CharField(max_length=20)
aPArea = models.ForeignKey(‘AreaInfo‘, null=True)
python manage.py makemigrations
python manage.py migrate
from django.shortcuts import render
from django.http import JsonResponse
from models import AreaInfo
def index(request):
return render(request, ‘ct1/index.html‘)
def getArea1(request):
list = AreaInfo.objects.filter(aPArea__isnull=True)
list2 = []
for a in list:
list2.append([a.aid, a.atitle])
return JsonResponse({‘data‘: list2})
def getArea2(request, pid):
list = AreaInfo.objects.filter(aPArea_id=pid)
list2 = []
for a in list:
list2.append({‘id‘: a.aid, ‘title‘: a.atitle})
return JsonResponse({‘data‘: list2})
from django.conf.urls import url
from . import views
urlpatterns = [
url(r‘^$‘, views.index),
url(r‘^area1/$‘, views.getArea1),
url(r‘^([0-9]+)/$‘, views.getArea2),
]
from django.conf.urls import include, url
from django.contrib import admin
urlpatterns = [
url(r‘^‘, include(‘ct1.urls‘, namespace=‘ct1‘)),
url(r‘^admin/‘, include(admin.site.urls)),
]
‘DIRS‘: [os.path.join(BASE_DIR, ‘templates‘)],
<!DOCTYPE html>
<html>
<head>
<title>省市区列表</title>
</head>
<body>
<select id="pro">
<option value="">请选择省</option>
</select>
<select id="city">
<option value="">请选择市</option>
</select>
<select id="dis">
<option value="">请选择区县</option>
</select>
</body>
</html>
<script type="text/javascript" src="static/ct1/js/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
$(function(){
$.get(‘area1/‘,function(dic) {
pro=$(‘#pro‘)
$.each(dic.data,function(index,item){
pro.append(‘<option value=‘+item[0]+‘>‘+item[1]+‘</option>‘);
})
});
$(‘#pro‘).change(function(){
$.post($(this).val()+‘/‘,function(dic){
city=$(‘#city‘);
city.empty().append(‘<option value="">请选择市</option>‘);
$.each(dic.data,function(index,item){
city.append(‘<option value=‘+item.id+‘>‘+item.title+‘</option>‘);
})
});
});
$(‘#city‘).change(function(){
$.post($(this).val()+‘/‘,function(dic){
dis=$(‘#dis‘);
dis.empty().append(‘<option value="">请选择区县</option>‘);
$.each(dic.data,function(index,item){
dis.append(‘<option value=‘+item.id+‘>‘+item.title+‘</option>‘);
})
})
});
});
</script>
标签：数据集 方式 编号 def 文件的 名称 null .ajax prim
原文地址：https://www.cnblogs.com/alexzhang92/p/9529787.html
