启用消息提示框架
PyCharm创建的都配置好了，不用自己配置
- 安装
django.contrib.messages应用 MIDDLEWARE中添加django.contrib.sessions.middleware.SessionMiddleware和django.contrib.messages.middleware.MessageMiddlewareTEMPLATES中的context_processors添加django.contrib.messages.context_processors.messages
消息存储的位置
配置方式
MESSAGE_STORAGE = 'django.contrib.messages.storage.cookie.CookieStorage'
| 参数 | 位置 |
|---|---|
| storage.session.SessionStorage | Session |
| storage.cookie.CookieStorage | Cookie |
| storage.fallback.FallbackStorage | 先用Cookie，再用Session（这个是Django的默认选项） |
| storage.base.BaseStorage | 自己实现的 |
消息级别与Tag对应关系
- DEBUG:debug
- INFO:info
- SUCCESS:success
- WARNING:waring
- ERROR:error
使用示例
from django.contrib import messages
messages.add_message(request, messages.INFO, 'Hello world.')
展示消息
{% if messages %}
<ul class="messages">
{% for message in messages %}
<li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
{% endfor %}
</ul>
{% endif %}
在代码中获取
from django.contrib.messages import get_messages
storage = get_messages(request)
for message in storage:
do_something_with_the_message(message)
在CBV中使用
from django.contrib.messages.views import SuccessMessageMixin
from django.views.generic.edit import CreateView
from myapp.models import Author
class AuthorCreate(SuccessMessageMixin, CreateView):
model = Author
success_url = '/success/'
success_message = "%(name)s was created successfully"
