[英]How to retrieve all data blocks from database at a certain entry in Django?
[英]How to retrieve data from database with autocomplete (Django)
我需要從數據庫中獲取數據並將其放在輸入字段中,但我做不到。
這是我的代碼。
模板.html
<script type="text/javascript">
$(function () {
$("#tags").autocomplete({
source: "/autocomplete/",
minLength: 2,
});
});
</script>
<div class="ui-widget">
<input id="tags">
</div>
網址.py
path('autocomplete', views.autocomplete, name='autocomplete'),
視圖.py
def autocomplete(self, request, *args, **kwargs):
data = request.GET
product = data.get("term")
if product:
products = Product.objects.filter(product_name__icontains=product)
else:
products = Product.objects.all()
results = []
for pd in products:
pd_json = {}
pd_json['id'] = pd.id
pd_json['label'] = pd.product_name
pd_json['value'] = pd.product_name
results.append(pd_json)
data = json.dumps(results)
mimetype = 'application/json'
return HttpResponse(data, mimetype)
模型.py
class Product(models.Model):
product_name = models.CharField(max_length=255)
def __str__(self):
return self.product_name
或者也許是因為我沒有導入一些東西? (比如關於'json'的東西)
換句話說,如果我使用這種方法,我怎樣才能從數據庫中獲取數據到“availableTags”列表中?
<script>
$( function() {
var availableTags = [];
$( "#tags" ).autocomplete({
source: availableTags
});
} );
</script>
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