django template filter safe escapejs json_script等

========safe==============

 |safe 可以当作html的tag渲染

====in view:

context['user_content1']="<b>Hello</b>"
context['user_content2']="<b>Hello</b>"
return render(request, template_name , context)

====in form.html

user_content1:{{ user_content1 }}
    <br>
user_content2:{{ user_content2 | safe }}