允许在Django Rest框架序列化程序中使用HTML字符

from rest_framework import serializers
from django.utils.html import escape

class MySerializer(serializers.Serializer):
    html_content = serializers.CharField()

class MySerializer(serializers.Serializer):
    html_content = serializers.CharField()

    def to_representation(self, instance):
        ret = super().to_representation(instance)
        ret['html_content'] = escape(ret['html_content'])
        return ret

serializer = MySerializer(data={'html_content': '<h1>Hello, World!</h1>'})
serializer.is_valid()
# 输出：True

serialized_data = serializer.data
print(serialized_data)
# 输出：{'html_content': '&lt;h1&gt;Hello, World!&lt;/h1&gt;'}