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  • Django之Cookie

    Cookie

    在浏览器端(客户端)保存的键值对,特性:每次http请求都会携带.           举个例子:{"name":身份证号}

    1丶获取cookie

    request.COOKIE['key']
    request.get_signed_cookie(key,default=RAISE_ERROR,salt='',max_age=None)
        参数:
            default:默认值
            salt:加密盐
            max_age:后台控制过期时间

    2丶设置Cookie

    def cook2(request):
        prnt(request.COOKIES)
        #print(request.get_signed_cookie('k2',None,salt='uuu'))
        #rep = HttpResponse('ok')
        #rep.set_cookie('k1',123)
        #rep.set_signed_cookie('k2',666,salt='uuu')
        rep = HttpResponse('ok')
        return rep

    3丶Cookie的参数

    rep.set_cookie(key,value,...)
    rep.set_signed_cookie(key,value,salt='加密盐',...)
        参数:
            key,            键
            value='',     值
            max_age=None,       超时时间, 单位是秒
            expires=None,          超时时间(IE requires expires,so set it if hasn't been already.)支持datetime,时间戳time.time这两种
            path='/',                Cookie生效的路径,/ 表示跟路径,特殊的:根路径的cookie可以被任何url的页面访问
            domain=None,      Cookie生效的域名
            secure=False,       https传输
            httponly=False     只能http协议传输,无法被JavaScript获取(不是绝对的,底层抓包可以获取到也可以被覆盖)

    例子:

    def cook1(request):
        #print(request.COOKIES)   #获取所有的Cookie
        #print(request.get_signed_cookie('k2',None,salt='uuu'))
        #rep = HttpResponse('ok')
        #rep.set_cookie('k1',123)          #设置Cookie
        #rep.set_signed_cookie('k2',666,salt='uuu')    #签名的cookie,salt为加密盐
        rep = HttpResponse('cook1')
        rep.set_cookie('k999',123,path='/cookie1/')    #path是cookie生效的路径(局部的);/表示根路径,特殊的;根路径的cookie可以被任何url的页面访问
        rep.set_cookie('k888',123)    #全局的cookie
        return rep

    由于cookie保存在客户端的电脑上,所以,JavaScript和Jquery也可以操作cookie.

    <script src='/static/js/jquery.cookie.js'></script>

    $.cookie('list_pager_num',30,{path:'/'});

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  • 原文地址:https://www.cnblogs.com/wuyongcong/p/5825984.html
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