django字符类型.docxVIP

fromdjango.dbimportmodels //Field typesAutoFieldclassAutoField(**options)BigIntegerField//长整形classBigIntegerField([**options])BooleanField //布尔型classBooleanField(**options)CharField //字符型classCharField(max_length=None[, **options])CommaSeparatedIntegerFieldclassCommaSeparatedIntegerField(max_length=None[, **options])DateField //数据classDateField([auto_now=False, auto_now_add=False, **options]) DateTimeField //数据时间classDateTimeField([auto_now=False, auto_now_add=False, **options]) DecimalFieldclassDecimalField(max_digits=None, decimal_places=None[, **options]) EmailField //邮件类型classEmailField([max_length=75, **options]) FileFieldclassFileField(upload_to=None[, max_length=100, **options]) ImageField //图片型classImageField(upload_to=None[, height_field=None, width_field=None, max_length=100, **options])IntegerField //整数型classIntegerField([**options])IPAddressFieldclassIPAddressField([**options]) TextField//文本型classTextField([**options]) TimeFieldclassTimeField([auto_now=False, auto_now_add=False, **options]) URLFieldclassURLField([max_length=200, **options]) 使用模板classdjango.template.TemplateFirst, you compile the raw template code into a Template object.Then, you call the render() method of the Template object with a given contextCompiling a stringThe easiest way to create a Template object is by instantiating it directly. The class lives at django.template.Template. The constructor takes one argument – the raw template code: fromdjango.templateimportTemplate t=Template(My name is {{ my_name }}.) print(t)django.template.Template instanceRendering a context?render(context)?Once you have a compiled Template object, you can render a context – or multiple contexts – with it. The Context class lives at django.template.Context, and the constructor takes two (optional) arguments:A dictionary mapping variable names to variable values.The name of the current application. This applic