Django中的视图错误
我在使用Django的表单时遇到了一个错误:错误信息是:invalid literal for int() with base 10: 'check'
#this is forms.py
from django import forms
class PersonalInfo(forms.Form):
Name = forms.CharField(max_length=20)
Email_ID = forms.EmailField(required=False)
Address = forms.CharField(max_length=50,required=False)
Contact_Phone = forms.CharField(max_length=20)
Image = forms.FileField(required=False)
PersonalInfo是在register.html中使用的
#This is view.py, register calling register.html
def register(request):
form = PersonalInfo()
return render_to_response('register.html', {'form':form}, context_instance=RequestContext(request))
在register.html中,我是这样使用它的:
{% if form.errors %}
<p style="color: red;">
Please correct the error{{ form.errors|pluralize }} below.
</p>
{% endif %}
<form action="/uregister/" method="post">
<table>
{{ form.as_table }}
</table>
<input type="submit" value="Submit">
</form>
这是uregister的视图:
def uregister(request):
if request.method == 'POST':
form = PersonalInfo(request.POST)
if form.is_valid():
cd = form.cleaned_data
per_job = Personal(cd['Name'], cd['Email_ID'], cd['Address'], cd['Contact_Phone'], cd['Image'])
per_job.save()
return HttpResponseRedirect('/')
else:
form = PersonalInfo()
return render_to_response('register.html', {'form': form}, context_instance=RequestContext(request))
这是models.py中的Personal模型:
class Personal(models.Model):
name = models.CharField(max_length=20)
email = models.EmailField(blank=True,null=True)
address = models.CharField(max_length=50,blank=True,null=True)
contact = models.CharField(max_length=20)
pic = models.FileField(upload_to='image/',blank=True,null=True)
我遇到的错误是:
invalid literal for int() with base 10: 'check'
还有
Exception Type: ValueError
Exception Value: invalid literal for int() with base 10: 'check'
Exception Location: /usr/local/lib/python2.6/dist-packages/django/db/models/fields/__init__.py in get_prep_value, line 479
Check
是我在示例数据中给的名字。
有人能告诉我哪里出错了吗?谢谢。
更新: 跟踪信息
Traceback:
File "/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py" in get_response
111. response = callback(request, *callback_args, **callback_kwargs)
File "/home/nagaraj/ghar/gharnivas/views.py" in uregister
49. per_job.save()
File "/usr/local/lib/python2.6/dist-packages/django/db/models/base.py" in save
460. self.save_base(using=using, force_insert=force_insert, force_update=force_update)
File "/usr/local/lib/python2.6/dist-packages/django/db/models/base.py" in save_base
522. manager.using(using).filter(pk=pk_val).exists())):
File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py" in filter
550. return self._filter_or_exclude(False, *args, **kwargs)
File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py" in _filter_or_exclude
568. clone.query.add_q(Q(*args, **kwargs))
File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/query.py" in add_q
1172. can_reuse=used_aliases, force_having=force_having)
File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/query.py" in add_filter
1107. connector)
File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/where.py" in add
67. value = obj.prepare(lookup_type, value)
File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/where.py" in prepare
316. return self.field.get_prep_lookup(lookup_type, value)
File "/usr/local/lib/python2.6/dist-packages/django/db/models/fields/__init__.py" in get_prep_lookup
292. return self.get_prep_value(value)
File "/usr/local/lib/python2.6/dist-packages/django/db/models/fields/__init__.py" in get_prep_value
479. return int(value)
Exception Type: ValueError at /uregister/
Exception Value: invalid literal for int() with base 10: 'check
1 个回答
2
我觉得问题出在这一行
per_job = Personal(cd['Name'], cd['Email_ID'], cd['Address'], cd['Contact_Phone'], cd['Image'])
我不确定是否可以只用位置参数来创建模型实例,但文档里没有提到这一点。你应该使用关键字参数:
per_job = Personal(name=cd['Name'], email=cd['Email_ID'], etc.
你看到的错误可能是因为试图给数据库中对象ID的默认字段赋一个非整数的值,所以可能是这个原因导致的。
关于其他问题:
- 图片没有存储,可能是因为你没有使用表单属性
enctype="multipart/form-data"
,这个属性是处理上传文件时必需的。 - 错误信息没有显示,可能是因为它们在验证后被包含在表单中,而你在
uregister
视图的else:
分支中用一个空实例替换了它。