严重: Servlet.service() for servlet jsp threw exceptioncom.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column '??????' in 'field list' at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.Nati…
在Django中无论何种field,都有一个widget的属性: class Field(object): widget = TextInput # Default widget to use when rendering this type of Field. hidden_widget = HiddenInput # Default widget to use when rendering this as "hidden". 如上所示,widget默认是TextInput. 而Te…