如何正确使用 Django Forms
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2016-01-15 · 做真实的自己 用良心做教育
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首先要创建自己的Form类，继承于django的Form，然后创建form中的字段，例子如下：
from django import forms
class AuthenticationForm(forms.Form):
"""
Base class for authenticating users. Extend this to get a form that accepts
username/password logins.
"""
username = forms.CharField(label=_("Username"), max_length=254)
password = forms.CharField(label=_("Password"), widget=forms.PasswordInput)
error_messages = {
'invalid_login': _("Please enter a correct username and password. "
"Note that both fields may be case-sensitive."),
'no_cookies': _("Your Web browser doesn't appear to have cookies "
"enabled. Cookies are required for logging in."),
'inactive': _("This account is inactive."),
}
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不用Django Forms，自写HTML等。
使用样例：get_http_params(request,"param1","param2")
代码：
def get_http_param(request, param_name, default_val = None):
if http_is_get(request):
if request.GET.has_key(param_name):
return request.GET[param_name]
else:
if request.POST.has_key(param_name):
return request.POST[param_name]
if default_val == None:
raise ArgError("param '%s' absent" % param_name)
return default_val
def get_http_params(request, *param_names):
return [ get_http_param(request, k) for k in param_names ]
使用样例：get_http_params(request,"param1","param2")
代码：
def get_http_param(request, param_name, default_val = None):
if http_is_get(request):
if request.GET.has_key(param_name):
return request.GET[param_name]
else:
if request.POST.has_key(param_name):
return request.POST[param_name]
if default_val == None:
raise ArgError("param '%s' absent" % param_name)
return default_val
def get_http_params(request, *param_names):
return [ get_http_param(request, k) for k in param_names ]
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