Django富文本上传字段带搜索时出现错误

在Django应用程序中使用富文本编辑器时，如果使用带有搜索功能的上传字段，则可能会出现错误。这是由于富文本编辑器上传字段的特殊性质引起的。

为了解决这个问题，可以将上传字段的类从默认的FileField更改为TextField，然后将其包装在一个Widget中。这样就可以利用Django的搜索框架来搜索上传内容。

以下是示例代码：

class RichTextField(forms.TextInput): """ A widget that displays a richtext editor for user input. """ class Media: css = {'all': ('/static/vendor/codemirror/codemirror.css', '/static/vendor/codemirror/theme/monokai.css')} js = ('/static/vendor/codemirror/codemirror.js', '/static/vendor/codemirror/mode/xml/xml.js', '/static/vendor/codemirror/mode/javascript/javascript.js', '/static/vendor/codemirror/mode/css/css.js', '/static/vendor/codemirror/mode/htmlmixed/htmlmixed.js', '/static/vendor/jquery/jquery-3.5.1.min.js', '/static/js/django-richtextupload-field.js',)

def render(self, name, value, attrs=None, renderer=None):
    """
    Render the richtext editor input widget.
    """
    if value is None:
        value = ''
    output = super(RichTextField, self).render(name, value, attrs, renderer)
    return mark_safe(output)

class RichTextUploadField(forms.CharField): """ A field for uploading and displaying richtext editor content. """ widget = RichTextField

def to_python(self, value):
    """
    Return the content as a string.
    """
    return value

def widget_attrs(self, widget):
    """
    Add the "richtextupload" attribute to the widget.
    """
    attrs = super(RichTextUploadField, self).widget_attrs(widget)
    attrs.update({'richtextupload': 'true'})
    return attrs