我有一个视图,用于在我的数据库中插入/更新一个名为BankAccounts
的表...基本上如果info_id
被传递给函数,则edit/update
如果没有,它具有默认值它是一个insert
操作
def bankcreate( requset , info_id = 0 ):
print(' -----> id is ' + str(info_id))
errors = []
default = None
if info_id is not None and info_id > 0 :
try:
default = BankAccounts.objects.get(id=info_id , user_id=requset.user.id)
except BankAccounts.DoesNotExist :
default = None
if requset.POST :
VALIDATIONRULES = {} # some rules here
data , errors = validation(requset , VALIDATIONRULES)
if not errors :
if info_id > 0 and default is not None:
ba = default
else :
ba = BankAccounts()
ba.bank_accnumber = data['bank_accnumber']
ba.bank_cartnumber = data['bank_cartnumber']
ba.bank_shabanumber = data['bank_shabanumber']
ba.bank_title = data['bank_title']
ba.user_id = requset.user.id
ba.save()
return redirect('account-bank')
else:
default = data
return render(requset , 'account/bankcreate-form.html' ,
{'default':default , 'errors':errors} )
所以当你看到该函数应该可以使用或不使用info_id访问 这是我的rules.py
urlpatterns = [
url(r'^$', views.index , name='account-home'),
url(r'^edit$', views.edit , name='account-edit'),
url(r'^bankinfo', views.bankinfo , name='account-bank'),
url(r'^bankcreate/(?:/(?P<info_id>[1-9]+)/)?', views.bankcreate , name='account-bankcreate'),
]
你可以看到我试图在最后一行写一个可选参数
url(r'^bankcreate/(?:/(?P<info_id>[1-9]+)/)?', views.bankcreate , name='account-bankcreate'),
但它没有&#39; work ...在函数的控制台上我得到info_id为None
not event定义的默认值为0 ...我做错了什么?
这是我的示例网址
http://localhost:8000/account/bankcreate/1/
我已经尝试过两次
url(r'^bankcreate/(?:/(?P<info_id>[1-9]+)/)?/$'
和
url(r'^bankcreate/(?:/(?P<info_id>[1-9]+)/)?$'
但是我收到了这个错误
Page not found (404)
Request Method: GET
Request URL: http://localhost:8000/account/bankcreate/1/
Using the URLconf defined in paypal.urls, Django tried these URL patterns, in this order:
^$
^admin/
^account/ ^$ [name='account-home']
^account/ ^edit$ [name='account-edit']
^account/ ^email [name='account-email']
^account/ ^bankinfo [name='account-bank']
^account/ ^bankcreate/(?:/(?P<info_id>[1-9]+)/)?$ [name='account-bankcreate']
^account/ ^password [name='account-password']
^gateway/
^auth/
The current URL, account/bankcreate/1/, didn't match any of these.
答案 0 :(得分:1)
你的正则表达式中有一个额外的斜杠(第二个)。
更改
url(r'^bankcreate/(?:/(?P<info_id>[1-9]+)/)?$'
到
url(r'^bankcreate/(?:(?P<info_id>[1-9]+)/)?$'