添加字段后窗体不运行

问题描述：

他们的朋友，我使用forms.py类创建了一个表单，它运行流畅，但下一次当我在forms.py类中添加两个新字段，然后执行命令“蟒蛇manage.py执行syncdb”它给了我下面的错误：添加字段后窗体不运行

Traceback (most recent call last): 
    File "manage.py", line 11, in <module> 
    execute_manager(settings) 
    File "/usr/lib/pymodules/python2.6/django/core/management/__init__.py", line 438, in execute_manager 
    utility.execute() 
    File "/usr/lib/pymodules/python2.6/django/core/management/__init__.py", line 379, in execute 
    self.fetch_command(subcommand).run_from_argv(self.argv) 
    File "/usr/lib/pymodules/python2.6/django/core/management/base.py", line 191, in run_from_argv 
    self.execute(*args, **options.__dict__) 
    File "/usr/lib/pymodules/python2.6/django/core/management/base.py", line 220, in execute 
    output = self.handle(*args, **options) 
    File "/usr/lib/pymodules/python2.6/django/core/management/base.py", line 351, in handle 
    return self.handle_noargs(**options) 
    File "/usr/lib/pymodules/python2.6/django/core/management/commands/syncdb.py", line 52, in handle_noargs 
    cursor = connection.cursor() 
    File "/usr/lib/pymodules/python2.6/django/db/backends/__init__.py", line 75, in cursor 
    cursor = self._cursor() 
    File "/usr/lib/pymodules/python2.6/django/db/backends/sqlite3/base.py", line 174, in _cursor 
    self.connection = Database.connect(**kwargs) 
pysqlite2.dbapi2.OperationalError: unable to open database file

答

看来问题不在于你的forms.py但与SQLite数据库file.can你再删除SQLite数据库文件和执行syncdb


~$ rm default.db 
~$ manage.py syncdb

答

对窗体进行更改不会影响您的数据库架构，有n o需要在更改表单后运行syncdb。您收到的错误在其他地方有其根源。

添加字段后窗体不运行

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