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session应用示例
from django.shortcuts import render
from django.shortcuts import HttpResponse
from django.shortcuts import redirect # Create your views here.
user = "a"
pwd = "a"
def login(request):
if request.method == "GET":
return render(request,"login.html")
elif request.method == "POST":
u = request.POST.get("user")
p = request.POST.get("password")
if u == user and p ==pwd:
#session中设置值
request.session["username"] = u
request.session["is_login"] = True
if request.POST.get("rmb",None) == "":
#设置超时时间
request.session.set_expiry(10)
return redirect("/index")
else:
return render(request,"login.html")
def index(request):
#session中获取值
if request.session.get("is_login",None):
current_user = request.session["username"]
return render(request,"index.html",{"current_user":current_user})
else:
return redirect("/login")
def logout(request):
#注销
request.session.clear()
return redirect("/login")
settings文件内配置
Django默认支持Session,并且默认是将Session数据存储在数据库中,即:django_session 表中。
a. 配置 settings.py
SESSION_ENGINE
=
'django.contrib.sessions.backends.db'
# 引擎(默认)
SESSION_COOKIE_NAME =
"sessionid"
# Session的cookie保存在浏览器上时的key,即:sessionid=随机字符串(默认)
SESSION_COOKIE_PATH =
"/"
# Session的cookie保存的路径(默认)
SESSION_COOKIE_DOMAIN
=
None
# Session的cookie保存的域名(默认)
SESSION_COOKIE_SECURE
=
False
# 是否Https传输cookie(默认)
SESSION_COOKIE_HTTPONLY
=
True
# 是否Session的cookie只支持http传输(默认)
SESSION_COOKIE_AGE
=
1209600
# Session的cookie失效日期(2周)(默认)
SESSION_EXPIRE_AT_BROWSER_CLOSE
=
False
# 是否关闭浏览器使得Session过期(默认)
SESSION_SAVE_EVERY_REQUEST
=
False
# 是否每次请求都保存Session,默认修改之后才保存(默认)
详细配置 请访问: http://www.cnblogs.com/wupeiqi/articles/5246483.html