我想從復選框中獲取多個輸入,然后從我的資料庫中過濾掉它。這將類似于:
http://127.0.0.1:8000/data/?class_type=[class_C,class_M]
但是,我從查詢中收到的是:
http://127.0.0.1:8000/data/?class_type=class_C&class_type=class_M
這是它的編碼方式,在.html 中:
Data class <br>
<div >
<input type="checkbox" value="class_C" id="class_C" name="class_type">
<label for="class_C">
C
</label>
</div>
<div >
<input type="checkbox" value="class_M" id="class_M" name="class_type">
<label for="class_M">
M
</label>
</div>
<div >
<input type="checkbox" value="class_X" id="class_X" name="class_type">
<label for="class_X">
X
</label>
</div>
在views.py 中:
data_class = request.GET.get('class_type')
[...]
if data_class == "class_C":
database = database.filter(class_l__contains = "C")
elif data_class == "class_M":
database = database.filter(class_l__contains = "M")
elif data_class == "class_X":
database = database.filter(class_l__contains = "X")
非常感謝任何幫助!謝謝!
uj5u.com熱心網友回復:
您可以使用.getlist(…)[Django-doc]獲取串列:
from django.db.models import Q
data_classes = request.GET.getlist('class_type')
acceptable_values = {'class_C', 'class_M', 'class_X'}
if all(data_class in acceptable_values for data_class in data_classes):
query = Q(*[Q(('class_l_contains', value)) for value in data_classes])
database = database.filter(query)
或邏輯 OR:
from django.db.models import Q
data_classes = request.GET.getlist('class_type')
acceptable_values = {'class_C', 'class_M', 'class_X'}
if all(data_class in acceptable_values for data_class in data_classes):
query = Q(
*[Q(('class_l_contains', value)) for value in data_classes],
_connector=Q.OR
)
database = database.filter(query)
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