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新文章点提交之后出现 ValueError

ValueError at /blog/edit/action

invalid literal for int() with base 10: ''
Request Method:POST
Request URL:http://127.0.0.1:8000/blog/edit/action
Django Version:2.1.1
Exception Type:ValueError
Exception Value:
invalid literal for int() with base 10: ''
Exception Location:C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\fields\__init__.py in get_prep_value, line 965
Python Executable:C:\Users\89758\AppData\Local\Programs\Python\Python37\python.exe
Python Version:3.7.0
Python Path:
['D:\\Python\\myblog',
 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\python37.zip',
 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\DLLs',
 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib',
 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37',
 'C:\\Users\\89758\\AppData\\Roaming\\Python\\Python37\\site-packages',
 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib\\site-packages',
 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib\\site-packages\\django-2.1.1-py3.7.egg',
 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib\\site-packages\\pytz-2018.5-py3.7.egg']
Server time:星期二, 25 九月 2018 06:19:13 +0000

Traceback Switch to copy-and-paste view

  • C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\core\handlers\exception.py in inner

    ▶ Local vars

  1.             response = get_response(request)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\core\handlers\base.py in _get_response

▶ Local vars

  1.                 response = self.process_exception_by_middleware(e, request)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\core\handlers\base.py in _get_response

▶ Local vars

  1.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

    ...

D:\Python\myblog\blog\views.py in edit_action

▶ Local vars

  1.     article = models.Articel.objects.get(pk=article_id)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\manager.py in manager_method

▶ Local vars

  1.                 return getattr(self.get_queryset(), name)(*args, **kwargs)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\query.py in get

▶ Local vars

  1.         clone = self.filter(*args, **kwargs)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\query.py in filter

▶ Local vars

  1.         return self._filter_or_exclude(False, *args, **kwargs)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\query.py in _filter_or_exclude

▶ Local vars

  1.             clone.query.add_q(Q(*args, **kwargs))

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\sql\query.py in add_q

▶ Local vars

  1.         clause, _ = self._add_q(q_object, self.used_aliases)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\sql\query.py in _add_q

▶ Local vars

  1.                     split_subq=split_subq,

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\sql\query.py in build_filter

▶ Local vars

  1.         condition = self.build_lookup(lookups, col, value)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\sql\query.py in build_lookup

▶ Local vars

  1.         lookup = lookup_class(lhs, rhs)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\lookups.py in __init__

▶ Local vars

  1.         self.rhs = self.get_prep_lookup()

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\lookups.py in get_prep_lookup

▶ Local vars

  1.             return self.lhs.output_field.get_prep_value(self.rhs)

    ...

C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\fields\__init__.py in get_prep_value

▶ Local vars

  1.         return int(value)

    ...

Request information

USER

admin

GET

No GET data

POST

VariableValue
csrfmiddlewaretoken
'sEgOkjULbS0aWedvkOGY2Kya7WV0OkFKViESyiyIwWyclffmWQDhWlKYNRzJvXjV'
article_id
''
title
'7'
content
'1'

FILES

No FILES data

COOKIES

VariableValue
csrftoken
'nTObKsq1WK2FL5Rz2ENpdAqIW9OsucNmQxcfYr4YhOAHa6TqEGKI7bCwC4sbbPrx'
sessionid
'ijg1c00l4tv8fey44fyzs0ftpo8607s3'

META

VariableValue
ALLUSERSPROFILE
'C:\\ProgramData'
APPDATA
'C:\\Users\\89758\\AppData\\Roaming'
ASL.LOG
'Destination=file'
COMMONPROGRAMFILES
'C:\\Program Files\\Common Files'
COMMONPROGRAMFILES(X86)
'C:\\Program Files (x86)\\Common Files'
COMMONPROGRAMW6432
'C:\\Program Files\\Common Files'
COMPUTERNAME
'LAPTOP-C6V1PBIB'
COMSPEC
'C:\\Windows\\system32\\cmd.exe'
CONFIGSETROOT
'C:\\Windows\\ConfigSetRoot'
CONTENT_LENGTH
'114'
CONTENT_TYPE
'application/x-www-form-urlencoded'
CSRF_COOKIE
'nTObKsq1WK2FL5Rz2ENpdAqIW9OsucNmQxcfYr4YhOAHa6TqEGKI7bCwC4sbbPrx'
DJANGO_SETTINGS_MODULE
'myblog.settings'
FPS_BROWSER_APP_PROFILE_STRING
'Internet Explorer'
FPS_BROWSER_USER_PROFILE_STRING
'Default'
GATEWAY_INTERFACE
'CGI/1.1'
HOMEDRIVE
'C:'
HOMEPATH
'\\Users\\89758'
HTTP_ACCEPT
'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8'
HTTP_ACCEPT_ENCODING
'gzip, deflate, br'
HTTP_ACCEPT_LANGUAGE
'zh-CN,zh;q=0.9'
HTTP_CACHE_CONTROL
'max-age=0'
HTTP_CONNECTION
'keep-alive'
HTTP_COOKIE
('csrftoken=nTObKsq1WK2FL5Rz2ENpdAqIW9OsucNmQxcfYr4YhOAHa6TqEGKI7bCwC4sbbPrx; '
 'sessionid=ijg1c00l4tv8fey44fyzs0ftpo8607s3')
HTTP_HOST
'127.0.0.1:8000'
HTTP_ORIGIN
'http://127.0.0.1:8000'
HTTP_REFERER
'http://127.0.0.1:8000/blog/edit/0/'
HTTP_UPGRADE_INSECURE_REQUESTS
'1'
HTTP_USER_AGENT
('Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) '
 'Chrome/68.0.3440.106 Safari/537.36')
LOCALAPPDATA
'C:\\Users\\89758\\AppData\\Local'
LOGONSERVER
'\\\\LAPTOP-C6V1PBIB'
MYSQL_HOME
'C:\\Program Files\\MySQL\\MySQL Server 8.0'
NUMBER_OF_PROCESSORS
'8'
ONEDRIVE
'C:\\Users\\89758\\OneDrive'
OS
'Windows_NT'
PATH
('C:\\Program Files (x86)\\Intel\\iCLS Client\\;C:\\Program Files\\Intel\\iCLS '
 'Client\\;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program '
 'Files (x86)\\NVIDIA Corporation\\PhysX\\Common;C:\\Program Files '
 '(x86)\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program '
 'Files\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files '
 '(x86)\\Intel\\Intel(R) Management Engine Components\\IPT;C:\\Program '
 'Files\\Intel\\Intel(R) Management Engine '
 'Components\\IPT;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program '
 'Files\\Intel\\WiFi\\bin\\;C:\\Program Files\\Common '
 'Files\\Intel\\WirelessCommon\\;C:\\Program Files\\MySQL\\MySQL Server '
 '8.0\\bin;C:\\Program '
 'Files\\nodejs\\;C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37;D:\\Django-2.1.1\\django\\bin;C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\Lib\\site-packages\\Django-2.1.1-py3.7.egg\\django\\bin;C:\\Users\\89758\\AppData\\Local\\Microsoft\\WindowsApps;;D:\\visual '
 'studio code\\Microsoft VS Code\\bin;C:\\Program '
 'Files\\Intel\\WiFi\\bin\\;C:\\Program Files\\Common '
 'Files\\Intel\\WirelessCommon\\;C:\\Users\\89758\\AppData\\Roaming\\npm;C:\\Program '
 'Files\\JetBrains\\PyCharm 183.2407.3\\bin;')
PATHEXT
'.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC'
PATH_INFO
'/blog/edit/action'
PROCESSOR_ARCHITECTURE
'AMD64'
PROCESSOR_IDENTIFIER
'Intel64 Family 6 Model 94 Stepping 3, GenuineIntel'
PROCESSOR_LEVEL
'6'
PROCESSOR_REVISION
'5e03'
PROGRAMDATA
'C:\\ProgramData'
PROGRAMFILES
'C:\\Program Files'
PROGRAMFILES(X86)
'C:\\Program Files (x86)'
PROGRAMW6432
'C:\\Program Files'
PROMPT
'$P$G'
PSMODULEPATH
('C:\\Program '
 'Files\\WindowsPowerShell\\Modules;C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\Modules')
PUBLIC
'C:\\Users\\Public'
PYCHARM
'C:\\Program Files\\JetBrains\\PyCharm 183.2407.3\\bin;'
QUERY_STRING
''
REMOTE_ADDR
'127.0.0.1'
REMOTE_HOST
''
REQUEST_METHOD
'POST'
RUN_MAIN
'true'
SCRIPT_NAME
''
SERVER_NAME
'LAPTOP-C6V1PBIB'
SERVER_PORT
'8000'
SERVER_PROTOCOL
'HTTP/1.1'
SERVER_SOFTWARE
'WSGIServer/0.2'
SESSIONNAME
'Console'
SYSTEMDRIVE
'C:'
SYSTEMROOT
'C:\\Windows'
TEMP
'C:\\Users\\89758\\AppData\\Local\\Temp'
TMP
'C:\\Users\\89758\\AppData\\Local\\Temp'
USERDOMAIN
'LAPTOP-C6V1PBIB'
USERDOMAIN_ROAMINGPROFILE
'LAPTOP-C6V1PBIB'
USERNAME
'test'
USERPROFILE
'C:\\Users\\89758'
WINDIR
'C:\\Windows'
wsgi.errors
<_io.TextIOWrapper name='<stderr>' mode='w' encoding='utf-8'>
wsgi.file_wrapper
''
wsgi.input
<_io.BufferedReader name=940>
wsgi.multiprocess
False
wsgi.multithread
True
wsgi.run_once
False
wsgi.url_scheme
'http'
wsgi.version
(1, 0)

Settings

Using settings module myblog.settings

SettingValue
ABSOLUTE_URL_OVERRIDES
{}
ADMINS
[]
ALLOWED_HOSTS
[]
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS
'********************'
AUTH_USER_MODEL
'auth.User'
BASE_DIR
'D:\\Python\\myblog'
CACHES
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS
'default'
CACHE_MIDDLEWARE_KEY_PREFIX
'********************'
CACHE_MIDDLEWARE_SECONDS
600
CSRF_COOKIE_AGE
31449600
CSRF_COOKIE_DOMAIN
None
CSRF_COOKIE_HTTPONLY
False
CSRF_COOKIE_NAME
'csrftoken'
CSRF_COOKIE_PATH
'/'
CSRF_COOKIE_SAMESITE
'Lax'
CSRF_COOKIE_SECURE
False
CSRF_FAILURE_VIEW
'django.views.csrf.csrf_failure'
CSRF_HEADER_NAME
'HTTP_X_CSRFTOKEN'
CSRF_TRUSTED_ORIGINS
[]
CSRF_USE_SESSIONS
False
DATABASES
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.sqlite3',
             'HOST': '',
             'NAME': 'D:\\Python\\myblog\\db.sqlite3',
             'OPTIONS': {},
             'PASSWORD': '********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': ''}}
DATABASE_ROUTERS
[]
DATA_UPLOAD_MAX_MEMORY_SIZE
2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS
1000
DATETIME_FORMAT
'N j, Y, P'
DATETIME_INPUT_FORMATS
['%Y-%m-%d %H:%M:%S',
 '%Y-%m-%d %H:%M:%S.%f',
 '%Y-%m-%d %H:%M',
 '%Y-%m-%d',
 '%m/%d/%Y %H:%M:%S',
 '%m/%d/%Y %H:%M:%S.%f',
 '%m/%d/%Y %H:%M',
 '%m/%d/%Y',
 '%m/%d/%y %H:%M:%S',
 '%m/%d/%y %H:%M:%S.%f',
 '%m/%d/%y %H:%M',
 '%m/%d/%y']
DATE_FORMAT
'N j, Y'
DATE_INPUT_FORMATS
['%Y-%m-%d',
 '%m/%d/%Y',
 '%m/%d/%y',
 '%b %d %Y',
 '%b %d, %Y',
 '%d %b %Y',
 '%d %b, %Y',
 '%B %d %Y',
 '%B %d, %Y',
 '%d %B %Y',
 '%d %B, %Y']
DEBUG
True
DEBUG_PROPAGATE_EXCEPTIONS
False
DECIMAL_SEPARATOR
'.'
DEFAULT_CHARSET
'utf-8'
DEFAULT_CONTENT_TYPE
'text/html'
DEFAULT_EXCEPTION_REPORTER_FILTER
'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL
'webmaster@localhost'
DEFAULT_INDEX_TABLESPACE
''
DEFAULT_TABLESPACE
''
DISALLOWED_USER_AGENTS
[]
EMAIL_BACKEND
'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST
'localhost'
EMAIL_HOST_PASSWORD
'********************'
EMAIL_HOST_USER
''
EMAIL_PORT
25
EMAIL_SSL_CERTFILE
None
EMAIL_SSL_KEYFILE
'********************'
EMAIL_SUBJECT_PREFIX
'[Django] '
EMAIL_TIMEOUT
None
EMAIL_USE_LOCALTIME
False
EMAIL_USE_SSL
False
EMAIL_USE_TLS
False
FILE_CHARSET
'utf-8'
FILE_UPLOAD_DIRECTORY_PERMISSIONS
None
FILE_UPLOAD_HANDLERS
['django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler']
FILE_UPLOAD_MAX_MEMORY_SIZE
2621440
FILE_UPLOAD_PERMISSIONS
None
FILE_UPLOAD_TEMP_DIR
None
FIRST_DAY_OF_WEEK
0
FIXTURE_DIRS
[]
FORCE_SCRIPT_NAME
None
FORMAT_MODULE_PATH
None
FORM_RENDERER
'django.forms.renderers.DjangoTemplates'
IGNORABLE_404_URLS
[]
INSTALLED_APPS
['django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'blog']
INTERNAL_IPS
[]
LANGUAGES
[('af', 'Afrikaans'),
 ('ar', 'Arabic'),
 ('ast', 'Asturian'),
 ('az', 'Azerbaijani'),
 ('bg', 'Bulgarian'),
 ('be', 'Belarusian'),
 ('bn', 'Bengali'),
 ('br', 'Breton'),
 ('bs', 'Bosnian'),
 ('ca', 'Catalan'),
 ('cs', 'Czech'),
 ('cy', 'Welsh'),
 ('da', 'Danish'),
 ('de', 'German'),
 ('dsb', 'Lower Sorbian'),
 ('el', 'Greek'),
 ('en', 'English'),
 ('en-au', 'Australian English'),
 ('en-gb', 'British English'),
 ('eo', 'Esperanto'),
 ('es', 'Spanish'),
 ('es-ar', 'Argentinian Spanish'),
 ('es-co', 'Colombian Spanish'),
 ('es-mx', 'Mexican Spanish'),
 ('es-ni', 'Nicaraguan Spanish'),
 ('es-ve', 'Venezuelan Spanish'),
 ('et', 'Estonian'),
 ('eu', 'Basque'),
 ('fa', 'Persian'),
 ('fi', 'Finnish'),
 ('fr', 'French'),
 ('fy', 'Frisian'),
 ('ga', 'Irish'),
 ('gd', 'Scottish Gaelic'),
 ('gl', 'Galician'),
 ('he', 'Hebrew'),
 ('hi', 'Hindi'),
 ('hr', 'Croatian'),
 ('hsb', 'Upper Sorbian'),
 ('hu', 'Hungarian'),
 ('ia', 'Interlingua'),
 ('id', 'Indonesian'),
 ('io', 'Ido'),
 ('is', 'Icelandic'),
 ('it', 'Italian'),
 ('ja', 'Japanese'),
 ('ka', 'Georgian'),
 ('kab', 'Kabyle'),
 ('kk', 'Kazakh'),
 ('km', 'Khmer'),
 ('kn', 'Kannada'),
 ('ko', 'Korean'),
 ('lb', 'Luxembourgish'),
 ('lt', 'Lithuanian'),
 ('lv', 'Latvian'),
 ('mk', 'Macedonian'),
 ('ml', 'Malayalam'),
 ('mn', 'Mongolian'),
 ('mr', 'Marathi'),
 ('my', 'Burmese'),
 ('nb', 'Norwegian Bokmål'),
 ('ne', 'Nepali'),
 ('nl', 'Dutch'),
 ('nn', 'Norwegian Nynorsk'),
 ('os', 'Ossetic'),
 ('pa', 'Punjabi'),
 ('pl', 'Polish'),
 ('pt', 'Portuguese'),
 ('pt-br', 'Brazilian Portuguese'),
 ('ro', 'Romanian'),
 ('ru', 'Russian'),
 ('sk', 'Slovak'),
 ('sl', 'Slovenian'),
 ('sq', 'Albanian'),
 ('sr', 'Serbian'),
 ('sr-latn', 'Serbian Latin'),
 ('sv', 'Swedish'),
 ('sw', 'Swahili'),
 ('ta', 'Tamil'),
 ('te', 'Telugu'),
 ('th', 'Thai'),
 ('tr', 'Turkish'),
 ('tt', 'Tatar'),
 ('udm', 'Udmurt'),
 ('uk', 'Ukrainian'),
 ('ur', 'Urdu'),
 ('vi', 'Vietnamese'),
 ('zh-hans', 'Simplified Chinese'),
 ('zh-hant', 'Traditional Chinese')]
LANGUAGES_BIDI
['he', 'ar', 'fa', 'ur']
LANGUAGE_CODE
'zh_Hans'
LANGUAGE_COOKIE_AGE
None
LANGUAGE_COOKIE_DOMAIN
None
LANGUAGE_COOKIE_NAME
'django_language'
LANGUAGE_COOKIE_PATH
'/'
LOCALE_PATHS
[]
LOGGING
{}
LOGGING_CONFIG
'logging.config.dictConfig'
LOGIN_REDIRECT_URL
'/accounts/profile/'
LOGIN_URL
'/accounts/login/'
LOGOUT_REDIRECT_URL
None
MANAGERS
[]
MEDIA_ROOT
''
MEDIA_URL
''
MESSAGE_STORAGE
'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware']
MIGRATION_MODULES
{}
MONTH_DAY_FORMAT
'F j'
NUMBER_GROUPING
0
PASSWORD_HASHERS
'********************'
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
PREPEND_WWW
False
ROOT_URLCONF
'myblog.urls'
SECRET_KEY
'********************'
SECURE_BROWSER_XSS_FILTER
False
SECURE_CONTENT_TYPE_NOSNIFF
False
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
SECURE_HSTS_PRELOAD
False
SECURE_HSTS_SECONDS
0
SECURE_PROXY_SSL_HEADER
None
SECURE_REDIRECT_EXEMPT
[]
SECURE_SSL_HOST
None
SECURE_SSL_REDIRECT
False
SERVER_EMAIL
'root@localhost'
SESSION_CACHE_ALIAS
'default'
SESSION_COOKIE_AGE
1209600
SESSION_COOKIE_DOMAIN
None
SESSION_COOKIE_HTTPONLY
True
SESSION_COOKIE_NAME
'sessionid'
SESSION_COOKIE_PATH
'/'
SESSION_COOKIE_SAMESITE
'Lax'
SESSION_COOKIE_SECURE
False
SESSION_ENGINE
'django.contrib.sessions.backends.db'
SESSION_EXPIRE_AT_BROWSER_CLOSE
False
SESSION_FILE_PATH
None
SESSION_SAVE_EVERY_REQUEST
False
SESSION_SERIALIZER
'django.contrib.sessions.serializers.JSONSerializer'
SETTINGS_MODULE
'myblog.settings'
SHORT_DATETIME_FORMAT
'm/d/Y P'
SHORT_DATE_FORMAT
'm/d/Y'
SIGNING_BACKEND
'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS
[]
STATICFILES_DIRS
[]
STATICFILES_FINDERS
['django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE
'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT
None
STATIC_URL
'/static/'
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': [],
  'OPTIONS': {'context_processors': ['django.template.context_processors.debug',
                                     'django.template.context_processors.request',
                                     'django.contrib.auth.context_processors.auth',
                                     'django.contrib.messages.context_processors.messages']}}]
TEST_NON_SERIALIZED_APPS
[]
TEST_RUNNER
'django.test.runner.DiscoverRunner'
THOUSAND_SEPARATOR
','
TIME_FORMAT
'P'
TIME_INPUT_FORMATS
['%H:%M:%S', '%H:%M:%S.%f', '%H:%M']
TIME_ZONE
'UTC'
USE_I18N
True
USE_L10N
True
USE_THOUSAND_SEPARATOR
False
USE_TZ
True
USE_X_FORWARDED_HOST
False
USE_X_FORWARDED_PORT
False
WSGI_APPLICATION
'myblog.wsgi.application'
X_FRAME_OPTIONS
'SAMEORIGIN'
YEAR_MONTH_FORMAT
'F Y'

views:

from django.shortcuts import render
from . import models
from django.http import HttpResponse
from django.http import HttpResponseRedirect
# Create your views here.
def index(request):
    article = models.Articel.objects.all()
    return render(request, 'index.html', {'article':article})

def article_page(request,article_id):
    article= models.Articel.objects.get(pk=article_id)
    return  render(request,'article_page.html',{'article':article})

def edit_page(request,article_id):
    if str(article_id)=='0':
        return render(request,'edit_page.html')
    article= models.Articel.objects.get(pk=article_id)
    return  render(request,'edit_page.html',{'article':article})

def edit_action(request):
    title = request.POST.get('title','TITLE')
    content = request.POST.get('content','CONTENT')
    article_id = request.POST.get('article_id','0')

    if article_id == '0':
        models.Articel.objects.create(title=title, content=content)
        articles = models.Articel.objects.all()
        return render(request,'index.html', {'articles': articles})

    article = models.Articel.objects.get(pk=article_id)
    article.title = title
    article.content = content
    article.save()
    return  render(request,'article_page.html',{'article':article})


edit_page:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Edit Page</title>
</head>
<body>
<form action="{% url 'blog:edit_action' %}" method="post">
 {% csrf_token %}
    {% if article %}
        <input type="hidden" name="article_id" value="{{ article.id }}">
        <label>文章标题
            <input type="text" name="title" value="{{ article.title }}" >
        </label>
        <br>
        <label>文章内容
            <input type="text" name="content" value="{{ article.content }}">
        </label>
        <br>
 {% else %}
        <input type="hidden" name="article_id" value="" >
        <label>文章标题
            <input type="text" name="title" value="">
        </label>
        <br>
        <label>文章内容
            <input type="text" name="content" value="">
        </label>
        <br>
 {% endif %}
    <input type="submit" value="提交">
</form>
</body>
</html>



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