{"id":5754,"date":"2022-04-03T09:14:39","date_gmt":"2022-04-03T01:14:39","guid":{"rendered":"https:\/\/egonlin.com\/?p=5754"},"modified":"2022-04-03T09:22:37","modified_gmt":"2022-04-03T01:22:37","slug":"06-04-cookie%e5%92%8csession%e7%bb%84","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=5754","title":{"rendered":"06-04 Cookie\u548cSession\u7ec4"},"content":{"rendered":"

cookie<\/h1>\n

Cookie\u7684\u7531\u6765<\/h2>\n

\u5927\u5bb6\u90fd\u77e5\u9053HTTP\u534f\u8bae\u662f\u65e0\u72b6\u6001\u7684\u3002<\/p>\n

\u65e0\u72b6\u6001\u7684\u610f\u601d\u662f\u6bcf\u6b21\u8bf7\u6c42\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u5b83\u7684\u6267\u884c\u60c5\u51b5\u548c\u7ed3\u679c\u4e0e\u524d\u9762\u7684\u8bf7\u6c42\u548c\u4e4b\u540e\u7684\u8bf7\u6c42\u90fd\u65e0\u76f4\u63a5\u5173\u7cfb\uff0c\u5b83\u4e0d\u4f1a\u53d7\u524d\u9762\u7684\u8bf7\u6c42\u54cd\u5e94\u60c5\u51b5\u76f4\u63a5\u5f71\u54cd\uff0c\u4e5f\u4e0d\u4f1a\u76f4\u63a5\u5f71\u54cd\u540e\u9762\u7684\u8bf7\u6c42\u54cd\u5e94\u60c5\u51b5\u3002<\/p>\n

\u4e00\u53e5\u6709\u610f\u601d\u7684\u8bdd\u6765\u63cf\u8ff0\u5c31\u662f\u4eba\u751f\u53ea\u5982\u521d\u89c1\uff0c\u5bf9\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u6bcf\u6b21\u7684\u8bf7\u6c42\u90fd\u662f\u5168\u65b0\u7684\u3002<\/p>\n

\u72b6\u6001\u53ef\u4ee5\u7406\u89e3\u4e3a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5728\u67d0\u6b21\u4f1a\u8bdd\u4e2d\u4ea7\u751f\u7684\u6570\u636e\uff0c\u90a3\u65e0\u72b6\u6001\u7684\u5c31\u4ee5\u4e3a\u8fd9\u4e9b\u6570\u636e\u4e0d\u4f1a\u88ab\u4fdd\u7559\u3002\u4f1a\u8bdd\u4e2d\u4ea7\u751f\u7684\u6570\u636e\u53c8\u662f\u6211\u4eec\u9700\u8981\u4fdd\u5b58\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u8981\u201c\u4fdd\u6301\u72b6\u6001\u201d\u3002\u56e0\u6b64Cookie\u5c31\u662f\u5728\u8fd9\u6837\u4e00\u4e2a\u573a\u666f\u4e0b\u8bde\u751f\u3002<\/p>\n

\u4ec0\u4e48\u662fCookie<\/h2>\n

Cookie\u5177\u4f53\u6307\u7684\u662f\u4e00\u6bb5\u5c0f\u4fe1\u606f\uff0c\u5b83\u662f\u670d\u52a1\u5668\u53d1\u9001\u51fa\u6765\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u4e0a\u7684\u4e00\u7ec4\u7ec4\u952e\u503c\u5bf9\uff0c\u4e0b\u6b21\u8bbf\u95ee\u670d\u52a1\u5668\u65f6\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u643a\u5e26\u8fd9\u4e9b\u952e\u503c\u5bf9\uff0c\u4ee5\u4fbf\u670d\u52a1\u5668\u63d0\u53d6\u6709\u7528\u4fe1\u606f\u3002<\/p>\n

Cookie\u7684\u539f\u7406<\/h2>\n

cookie\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff1a\u7531\u670d\u52a1\u5668\u4ea7\u751f\u5185\u5bb9\uff0c\u6d4f\u89c8\u5668\u6536\u5230\u8bf7\u6c42\u540e\u4fdd\u5b58\u5728\u672c\u5730\uff1b\u5f53\u6d4f\u89c8\u5668\u518d\u6b21\u8bbf\u95ee\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u5e26\u4e0aCookie\uff0c\u8fd9\u6837\u670d\u52a1\u5668\u5c31\u80fd\u901a\u8fc7Cookie\u7684\u5185\u5bb9\u6765\u5224\u65ad\u8fd9\u4e2a\u662f\u201c\u8c01\u201d\u4e86\u3002<\/p>\n

\u67e5\u770bCookie<\/h3>\n

\u6211\u4eec\u4f7f\u7528Chrome\u6d4f\u89c8\u5668\uff0c\u6253\u5f00\u5f00\u53d1\u8005\u5de5\u5177\u3002
\n

\"\"<\/div><\/p>\n

Django\u4e2d\u64cd\u4f5cCookie<\/h2>\n

\u83b7\u53d6Cookie<\/h3>\n
request.COOKIES['key']\nrequest.get_signed_cookie(key, default=RAISE_ERROR, salt='', max_age=None)<\/code><\/pre>\n
\u53c2\u6570\uff1a<\/p>\n
default: \u9ed8\u8ba4\u503c\nsalt: \u52a0\u5bc6\u76d0\nmax_age: \u540e\u53f0\u63a7\u5236\u8fc7\u671f\u65f6\u95f4<\/code><\/pre>\n
\u8bbe\u7f6eCookie<\/h3>\n
rep = HttpResponse(...)\nrep \uff1d render(request, ...)\n\nrep.set_cookie(key,value,...)\nrep.set_signed_cookie(key,value,salt='\u52a0\u5bc6\u76d0', max_age=None, ...)<\/code><\/pre>\n
\u53c2\u6570\uff1a<\/p>\n
key, \u952e\nvalue='', \u503c\nmax_age=None, \u8d85\u65f6\u65f6\u95f4\nexpires=None, \u8d85\u65f6\u65f6\u95f4(IE requires expires, so set it if hasn't been already.)\npath='\/', Cookie\u751f\u6548\u7684\u8def\u5f84\uff0c\/ \u8868\u793a\u6839\u8def\u5f84\uff0c\u7279\u6b8a\u7684\uff1a\u6839\u8def\u5f84\u7684cookie\u53ef\u4ee5\u88ab\u4efb\u4f55url\u7684\u9875\u9762\u8bbf\u95ee\ndomain=None, Cookie\u751f\u6548\u7684\u57df\u540d\nsecure=False, https\u4f20\u8f93\nhttponly=False \u53ea\u80fdhttp\u534f\u8bae\u4f20\u8f93\uff0c\u65e0\u6cd5\u88abJavaScript\u83b7\u53d6\uff08\u4e0d\u662f\u7edd\u5bf9\uff0c\u5e95\u5c42\u6293\u5305\u53ef\u4ee5\u83b7\u53d6\u5230\u4e5f\u53ef\u4ee5\u88ab\u8986\u76d6\uff09<\/code><\/pre>\n
\u5220\u9664Cookie<\/h3>\n
def logout(request):\n    rep = redirect(\"\/login\/\")\n    rep.delete_cookie(\"user\")  # \u5220\u9664\u7528\u6237\u6d4f\u89c8\u5668\u4e0a\u4e4b\u524d\u8bbe\u7f6e\u7684usercookie\u503c\n    return rep<\/code><\/pre>\n
Cookie\u7248\u767b\u9646\u6821\u9a8c<\/h4>\n
cookie\u7248\u767b\u5f55<\/h5>\n
def check_login(func):\n    @wraps(func)\n    def inner(request, *args, **kwargs):\n        next_url = request.get_full_path()\n        if request.get_signed_cookie(\"login\", salt=\"SSS\", default=None) == \"yes\":\n            # \u5df2\u7ecf\u767b\u5f55\u7684\u7528\u6237...\n            return func(request, *args, **kwargs)\n        else:\n            # \u6ca1\u6709\u767b\u5f55\u7684\u7528\u6237\uff0c\u8df3\u8f6c\u521a\u5230\u767b\u5f55\u9875\u9762\n            return redirect(\"\/login\/?next={}\".format(next_url))\n    return inner\n\ndef login(request):\n    if request.method == \"POST\":\n        username = request.POST.get(\"username\")\n        passwd = request.POST.get(\"password\")\n        if username == \"xxx\" and passwd == \"dashabi\":\n            next_url = request.GET.get(\"next\")\n            if next_url and next_url != \"\/logout\/\":\n                response = redirect(next_url)\n            else:\n                response = redirect(\"\/class_list\/\")\n            response.set_signed_cookie(\"login\", \"yes\", salt=\"SSS\")\n            return response\n    return render(request, \"login.html\")<\/code><\/pre>\n
Session<\/h1>\n
Session\u7684\u7531\u6765<\/h2>\n
Cookie\u867d\u7136\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u89e3\u51b3\u4e86\u201c\u4fdd\u6301\u72b6\u6001\u201d\u7684\u9700\u6c42\uff0c\u4f46\u662f\u7531\u4e8eCookie\u672c\u8eab\u6700\u5927\u652f\u63014096\u5b57\u8282\uff0c\u4ee5\u53caCookie\u672c\u8eab\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\uff0c\u53ef\u80fd\u88ab\u62e6\u622a\u6216\u7a83\u53d6\uff0c\u56e0\u6b64\u5c31\u9700\u8981\u6709\u4e00\u79cd\u65b0\u7684\u4e1c\u897f\uff0c\u5b83\u80fd\u652f\u6301\u66f4\u591a\u7684\u5b57\u8282\uff0c\u5e76\u4e14\u4ed6\u4fdd\u5b58\u5728\u670d\u52a1\u5668\uff0c\u6709\u8f83\u9ad8\u7684\u5b89\u5168\u6027\u3002\u8fd9\u5c31\u662fSession\u3002<\/p>\n
\u95ee\u9898\u6765\u4e86\uff0c\u57fa\u4e8eHTTP\u534f\u8bae\u7684\u65e0\u72b6\u6001\u7279\u5f81\uff0c\u670d\u52a1\u5668\u6839\u672c\u5c31\u4e0d\u77e5\u9053\u8bbf\u95ee\u8005\u662f\u201c\u8c01\u201d\u3002\u90a3\u4e48\u4e0a\u8ff0\u7684Cookie\u5c31\u8d77\u5230\u6865\u63a5\u7684\u4f5c\u7528\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7ed9\u6bcf\u4e2a\u5ba2\u6237\u7aef\u7684Cookie\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684id\uff0c\u8fd9\u6837\u7528\u6237\u5728\u8bbf\u95ee\u65f6\uff0c\u901a\u8fc7Cookie\uff0c\u670d\u52a1\u5668\u5c31\u77e5\u9053\u6765\u7684\u4eba\u662f\u201c\u8c01\u201d\u3002\u7136\u540e\u6211\u4eec\u518d\u6839\u636e\u4e0d\u540c\u7684Cookie\u7684id\uff0c\u5728\u670d\u52a1\u5668\u4e0a\u4fdd\u5b58\u4e00\u6bb5\u65f6\u95f4\u7684\u79c1\u5bc6\u8d44\u6599\uff0c\u5982\u201c\u8d26\u53f7\u5bc6\u7801\u201d\u7b49\u7b49\u3002<\/p>\n
\u603b\u7ed3\u800c\u8a00\uff1aCookie\u5f25\u8865\u4e86HTTP\u65e0\u72b6\u6001\u7684\u4e0d\u8db3\uff0c\u8ba9\u670d\u52a1\u5668\u77e5\u9053\u6765\u7684\u4eba\u662f\u201c\u8c01\u201d\uff1b\u4f46\u662fCookie\u4ee5\u6587\u672c\u7684\u5f62\u5f0f\u4fdd\u5b58\u5728\u672c\u5730\uff0c\u81ea\u8eab\u5b89\u5168\u6027\u8f83\u5dee\uff1b\u6240\u4ee5\u6211\u4eec\u5c31\u901a\u8fc7Cookie\u8bc6\u522b\u4e0d\u540c\u7684\u7528\u6237\uff0c\u5bf9\u5e94\u7684\u5728Session\u91cc\u4fdd\u5b58\u79c1\u5bc6\u7684\u4fe1\u606f\u4ee5\u53ca\u8d85\u8fc74096\u5b57\u8282\u7684\u6587\u672c\u3002<\/p>\n
\u53e6\u5916\uff0c\u4e0a\u8ff0\u6240\u8bf4\u7684Cookie\u548cSession\u5176\u5b9e\u662f\u5171\u901a\u6027\u7684\u4e1c\u897f\uff0c\u4e0d\u9650\u4e8e\u8bed\u8a00\u548c\u6846\u67b6\u3002<\/p>\n
Django\u4e2dSession\u76f8\u5173\u65b9\u6cd5<\/h3>\n
#\u83b7\u53d6\u3001\u8bbe\u7f6e\u3001\u5220\u9664Session\u4e2d\u6570\u636e\nrequest.session['k1']\nrequest.session.get('k1',None)\nrequest.session['k1'] = 123\nrequest.session.setdefault('k1',123) # \u5b58\u5728\u5219\u4e0d\u8bbe\u7f6e\ndel request.session['k1']\n\n#\u6240\u6709 \u952e\u3001\u503c\u3001\u952e\u503c\u5bf9\nrequest.session.keys()\nrequest.session.values()\nrequest.session.items()\nrequest.session.iterkeys()\nrequest.session.itervalues()\nrequest.session.iteritems()\n\n#\u4f1a\u8bddsession\u7684key\nrequest.session.session_key\n\n#\u5c06\u6240\u6709Session\u5931\u6548\u65e5\u671f\u5c0f\u4e8e\u5f53\u524d\u65e5\u671f\u7684\u6570\u636e\u5220\u9664\nrequest.session.clear_expired()\n\n#\u68c0\u67e5\u4f1a\u8bddsession\u7684key\u5728\u6570\u636e\u5e93\u4e2d\u662f\u5426\u5b58\u5728\nrequest.session.exists(\"session_key\")\n\n#\u5220\u9664\u5f53\u524d\u4f1a\u8bdd\u7684\u6240\u6709Session\u6570\u636e\nrequest.session.delete()\n\n#\u5220\u9664\u5f53\u524d\u7684\u4f1a\u8bdd\u6570\u636e\u5e76\u5220\u9664\u4f1a\u8bdd\u7684Cookie\u3002\nrequest.session.flush() \n    \u8fd9\u7528\u4e8e\u786e\u4fdd\u524d\u9762\u7684\u4f1a\u8bdd\u6570\u636e\u4e0d\u53ef\u4ee5\u518d\u6b21\u88ab\u7528\u6237\u7684\u6d4f\u89c8\u5668\u8bbf\u95ee\n    \u4f8b\u5982\uff0cdjango.contrib.auth.logout() \u51fd\u6570\u4e2d\u5c31\u4f1a\u8c03\u7528\u5b83\u3002\n\n#\u8bbe\u7f6e\u4f1a\u8bddSession\u548cCookie\u7684\u8d85\u65f6\u65f6\u95f4\nrequest.session.set_expiry(value)\n    * \u5982\u679cvalue\u662f\u4e2a\u6574\u6570\uff0csession\u4f1a\u5728\u4e9b\u79d2\u6570\u540e\u5931\u6548\u3002\n    * \u5982\u679cvalue\u662f\u4e2adatatime\u6216timedelta\uff0csession\u5c31\u4f1a\u5728\u8fd9\u4e2a\u65f6\u95f4\u540e\u5931\u6548\u3002\n    * \u5982\u679cvalue\u662f0,\u7528\u6237\u5173\u95ed\u6d4f\u89c8\u5668session\u5c31\u4f1a\u5931\u6548\u3002\n    * \u5982\u679cvalue\u662fNone,session\u4f1a\u4f9d\u8d56\u5168\u5c40session\u5931\u6548\u7b56\u7565\u3002<\/code><\/pre>\n
Session\u6d41\u7a0b\u89e3\u6790<\/h3>\n
\"\"<\/div><\/p>\n
Session\u7248\u767b\u9646\u9a8c\u8bc1<\/h5>\n
from functools import wraps\n\ndef check_login(func):\n    @wraps(func)\n    def inner(request, *args, **kwargs):\n        next_url = request.get_full_path()\n        if request.session.get(\"user\"):\n            return func(request, *args, **kwargs)\n        else:\n            return redirect(\"\/login\/?next={}\".format(next_url))\n    return inner\n\ndef login(request):\n    if request.method == \"POST\":\n        user = request.POST.get(\"user\")\n        pwd = request.POST.get(\"pwd\")\n\n        if user == \"alex\" and pwd == \"alex1234\":\n            # \u8bbe\u7f6esession\n            request.session[\"user\"] = user\n            # \u83b7\u53d6\u8df3\u5230\u767b\u9646\u9875\u9762\u4e4b\u524d\u7684URL\n            next_url = request.GET.get(\"next\")\n            # \u5982\u679c\u6709\uff0c\u5c31\u8df3\u8f6c\u56de\u767b\u9646\u4e4b\u524d\u7684URL\n            if next_url:\n                return redirect(next_url)\n            # \u5426\u5219\u9ed8\u8ba4\u8df3\u8f6c\u5230index\u9875\u9762\n            else:\n                return redirect(\"\/index\/\")\n    return render(request, \"login.html\")\n\n@check_login\ndef logout(request):\n    # \u5220\u9664\u6240\u6709\u5f53\u524d\u8bf7\u6c42\u76f8\u5173\u7684session\n    request.session.delete()\n    return redirect(\"\/login\/\")\n\n@check_login\ndef index(request):\n    current_user = request.session.get(\"user\", None)\n    return render(request, \"index.html\", {\"user\": current_user})<\/code><\/pre>\n
Django\u4e2d\u7684Session\u914d\u7f6e<\/h3>\n
Django\u4e2d\u9ed8\u8ba4\u652f\u6301Session\uff0c\u5176\u5185\u90e8\u63d0\u4f9b\u4e865\u79cd\u7c7b\u578b\u7684Session\u4f9b\u5f00\u53d1\u8005\u4f7f\u7528\u3002<\/p>\n
1. \u6570\u636e\u5e93Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.db'   # \u5f15\u64ce\uff08\u9ed8\u8ba4\uff09\n\n2. \u7f13\u5b58Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.cache'  # \u5f15\u64ce\nSESSION_CACHE_ALIAS = 'default'                            # \u4f7f\u7528\u7684\u7f13\u5b58\u522b\u540d\uff08\u9ed8\u8ba4\u5185\u5b58\u7f13\u5b58\uff0c\u4e5f\u53ef\u4ee5\u662fmemcache\uff09\uff0c\u6b64\u5904\u522b\u540d\u4f9d\u8d56\u7f13\u5b58\u7684\u8bbe\u7f6e\n\n3. \u6587\u4ef6Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.file'    # \u5f15\u64ce\nSESSION_FILE_PATH = None                                    # \u7f13\u5b58\u6587\u4ef6\u8def\u5f84\uff0c\u5982\u679c\u4e3aNone\uff0c\u5219\u4f7f\u7528tempfile\u6a21\u5757\u83b7\u53d6\u4e00\u4e2a\u4e34\u65f6\u5730\u5740tempfile.gettempdir() \n\n4. \u7f13\u5b58+\u6570\u636e\u5e93\nSESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'        # \u5f15\u64ce\n\n5. \u52a0\u5bc6Cookie Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.signed_cookies'   # \u5f15\u64ce\n\n\u5176\u4ed6\u516c\u7528\u8bbe\u7f6e\u9879\uff1a\nSESSION_COOKIE_NAME \uff1d \"sessionid\"                       # Session\u7684cookie\u4fdd\u5b58\u5728\u6d4f\u89c8\u5668\u4e0a\u65f6\u7684key\uff0c\u5373\uff1asessionid\uff1d\u968f\u673a\u5b57\u7b26\u4e32\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_PATH \uff1d \"\/\"                               # Session\u7684cookie\u4fdd\u5b58\u7684\u8def\u5f84\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_DOMAIN = None                             # Session\u7684cookie\u4fdd\u5b58\u7684\u57df\u540d\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_SECURE = False                            # \u662f\u5426Https\u4f20\u8f93cookie\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_HTTPONLY = True                           # \u662f\u5426Session\u7684cookie\u53ea\u652f\u6301http\u4f20\u8f93\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_AGE = 1209600                             # Session\u7684cookie\u5931\u6548\u65e5\u671f\uff082\u5468\uff09\uff08\u9ed8\u8ba4\uff09\nSESSION_EXPIRE_AT_BROWSER_CLOSE = False                  # \u662f\u5426\u5173\u95ed\u6d4f\u89c8\u5668\u4f7f\u5f97Session\u8fc7\u671f\uff08\u9ed8\u8ba4\uff09\nSESSION_SAVE_EVERY_REQUEST = False                       # \u662f\u5426\u6bcf\u6b21\u8bf7\u6c42\u90fd\u4fdd\u5b58Session\uff0c\u9ed8\u8ba4\u4fee\u6539\u4e4b\u540e\u624d\u4fdd\u5b58\uff08\u9ed8\u8ba4\uff09<\/code><\/pre>\n
CBV\u4e2d\u52a0\u88c5\u9970\u5668\u76f8\u5173<\/h3>\n
CBV\u5b9e\u73b0\u7684\u767b\u5f55\u89c6\u56fe<\/h5>\n
class LoginView(View):\n\n    def get(self, request):\n        \"\"\"\n        \u5904\u7406GET\u8bf7\u6c42\n        \"\"\"\n        return render(request, 'login.html')\n\n    def post(self, request):\n        \"\"\"\n        \u5904\u7406POST\u8bf7\u6c42 \n        \"\"\"\n        user = request.POST.get('user')\n        pwd = request.POST.get('pwd')\n        if user == 'alex' and pwd == \"alex1234\":\n            next_url = request.GET.get(\"next\")\n            # \u751f\u6210\u968f\u673a\u5b57\u7b26\u4e32\n            # \u5199\u6d4f\u89c8\u5668cookie -> session_id: \u968f\u673a\u5b57\u7b26\u4e32\n            # \u5199\u5230\u670d\u52a1\u7aefsession\uff1a\n            # {\n            #     \"\u968f\u673a\u5b57\u7b26\u4e32\": {'user':'alex'}\n            # }\n            request.session['user'] = user\n            if next_url:\n                return redirect(next_url)\n            else:\n                return redirect('\/index\/')\n        return render(request, 'login.html')<\/code><\/pre>\n
\u8981\u5728CBV\u89c6\u56fe\u4e2d\u4f7f\u7528\u6211\u4eec\u4e0a\u9762\u7684check_login\u88c5\u9970\u5668\uff0c\u6709\u4ee5\u4e0b\u4e09\u79cd\u65b9\u5f0f\uff1a<\/p>\n
from django.utils.decorators import method_decorator<\/p>\n
1. \u52a0\u5728CBV\u89c6\u56fe\u7684get\u6216post\u65b9\u6cd5\u4e0a<\/h5>\n
from django.utils.decorators import method_decorator\n\nclass HomeView(View):\n\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, \"home.html\")\n\n    @method_decorator(check_login)\n    def post(self, request):\n        print(\"Home View POST method...\")\n        return redirect(\"\/index\/\")<\/code><\/pre>\n
2. \u52a0\u5728dispatch\u65b9\u6cd5\u4e0a<\/h5>\n
from django.utils.decorators import method_decorator\n\nclass HomeView(View):\n\n    @method_decorator(check_login)\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, \"home.html\")\n\n    def post(self, request):\n        print(\"Home View POST method...\")\n        return redirect(\"\/index\/\")<\/code><\/pre>\n
\u56e0\u4e3aCBV\u4e2d\u9996\u5148\u6267\u884c\u7684\u5c31\u662fdispatch\u65b9\u6cd5\uff0c\u6240\u4ee5\u8fd9\u4e48\u5199\u76f8\u5f53\u4e8e\u7ed9get\u548cpost\u65b9\u6cd5\u90fd\u52a0\u4e0a\u4e86\u767b\u5f55\u6821\u9a8c\u3002<\/p>\n
3. \u76f4\u63a5\u52a0\u5728\u89c6\u56fe\u7c7b\u4e0a\uff0c\u4f46method_decorator\u5fc5\u987b\u4f20 name \u5173\u952e\u5b57\u53c2\u6570<\/h5>\n
\u5982\u679cget\u65b9\u6cd5\u548cpost\u65b9\u6cd5\u90fd\u9700\u8981\u767b\u5f55\u6821\u9a8c\u7684\u8bdd\u5c31\u5199\u4e24\u4e2a\u88c5\u9970\u5668\u3002<\/p>\n
from django.utils.decorators import method_decorator\n\n@method_decorator(check_login, name=\"get\")\n@method_decorator(check_login, name=\"post\")\nclass HomeView(View):\n\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, \"home.html\")\n\n    def post(self, request):\n        print(\"Home View POST method...\")\n        return redirect(\"\/index\/\")<\/code><\/pre>\n
\u8865\u5145<\/h5>\n
CSRF Token\u76f8\u5173\u88c5\u9970\u5668\u5728CBV\u53ea\u80fd\u52a0\u5230dispatch\u65b9\u6cd5\u4e0a\uff0c\u6216\u8005\u52a0\u5728\u89c6\u56fe\u7c7b\u4e0a\u7136\u540ename\u53c2\u6570\u6307\u5b9a\u4e3adispatch\u65b9\u6cd5\u3002<\/p>\n
\u5907\u6ce8\uff1a<\/h5>\n
\n
csrf_protect\uff0c\u4e3a\u5f53\u524d\u51fd\u6570\u5f3a\u5236\u8bbe\u7f6e\u9632\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u529f\u80fd\uff0c\u5373\u4fbfsettings\u4e2d\u6ca1\u6709\u8bbe\u7f6e\u5168\u5c40\u4e2d\u95f4\u4ef6\u3002
\ncsrf_exempt\uff0c\u53d6\u6d88\u5f53\u524d\u51fd\u6570\u9632\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u529f\u80fd\uff0c\u5373\u4fbfsettings\u4e2d\u8bbe\u7f6e\u4e86\u5168\u5c40\u4e2d\u95f4\u4ef6\u3002<\/p>\n<\/blockquote>\n
from django.views.decorators.csrf import csrf_exempt, csrf_protect\nfrom django.utils.decorators import method_decorator\n\nclass HomeView(View):\n\n    @method_decorator(csrf_exempt)\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, \"home.html\")\n\n    def post(self, request):\n        print(\"Home View POST method...\")\n        return redirect(\"\/index\/\")<\/code><\/pre>\n
\u6216\u8005<\/p>\n
from django.views.decorators.csrf import csrf_exempt, csrf_protect\nfrom django.utils.decorators import method_decorator\n\n@method_decorator(csrf_exempt, name='dispatch')\nclass HomeView(View):\n\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, \"home.html\")\n\n    def post(self, request):\n        print(\"Home View POST method...\")\n        return redirect(\"\/index\/\")<\/code><\/pre>\n
\u5206\u9875<\/h2>\n
\u5f53\u6570\u636e\u5e93\u4e2d\u6570\u636e\u6709\u5f88\u591a\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5728\u524d\u7aef\u9875\u9762\u505a\u5206\u9875\u5c55\u793a\u3002<\/p>\n
\u5206\u9875\u7684\u6570\u636e\u53ef\u4ee5\u5728\u524d\u7aef\u9875\u9762\u5b9e\u73b0\uff0c\u4e5f\u53ef\u4ee5\u5728\u540e\u7aef\u5b9e\u73b0\u5206\u9875\u3002<\/p>\n
\u540e\u7aef\u5b9e\u73b0\u5206\u9875\u7684\u539f\u7406\u5c31\u662f\u6bcf\u6b21\u53ea\u8bf7\u6c42\u4e00\u9875\u6570\u636e\u3002<\/p>\n
\u51c6\u5907\u5de5\u4f5c<\/p>\n
\u6211\u4eec\u4f7f\u7528\u811a\u672c\u6279\u91cf\u521b\u5efa\u4e00\u4e9b\u6d4b\u8bd5\u6570\u636e\uff08\u5c06\u4e0b\u9762\u7684\u4ee3\u7801\u4fdd\u5b58\u5230bulk_create.py\u6587\u4ef6\u4e2d\u653e\u5230Django\u9879\u76ee\u7684\u6839\u76ee\u5f55\uff0c\u76f4\u63a5\u6267\u884c\u5373\u53ef\u3002\uff09\uff1a<\/p>\n
import os\n\nif __name__ == \"__main__\":\n    os.environ.setdefault(\"DJANGO_SETTINGS_MODULE\", \"about_orm.settings\")\n\n    import django\n    django.setup()\n\n    from app01 import models\n    bulk_obj = (models.Publisher(name='\u6c99\u6cb3\u7b2c{}\u51fa\u7248\u793e'.format(i)) for i in range(300))\n    models.Publisher.objects.bulk_create(bulk_obj)<\/code><\/pre>\n
\u81ea\u5b9a\u4e49\u5206\u9875<\/h2>\n
\u7a33\u624e\u7a33\u6253\u7248<\/h5>\n
    def publisher_list(request):\n    # \u4eceURL\u4e2d\u53d6\u5f53\u524d\u8bbf\u95ee\u7684\u9875\u7801\u6570\n    try:\n        current_page = int(request.GET.get('page'))\n    except Exception as e:\n        # \u53d6\u4e0d\u5230\u6216\u8005\u9875\u7801\u6570\u4e0d\u662f\u6570\u5b57\u90fd\u9ed8\u8ba4\u5c55\u793a\u7b2c1\u9875\n        current_page = 1\n    # \u603b\u6570\u636e\u91cf\n    total_count = models.Publisher.objects.count()\n    # \u5b9a\u4e49\u6bcf\u9875\u663e\u793a\u591a\u5c11\u6761\u6570\u636e\n    per_page = 10\n    # \u8ba1\u7b97\u51fa\u603b\u9875\u7801\u6570\n    total_page, more = divmod(total_count, per_page)\n    if more:\n        total_page += 1\n    # \u5b9a\u4e49\u9875\u9762\u4e0a\u6700\u591a\u663e\u793a\u591a\u5c11\u9875\u7801(\u4e3a\u4e86\u5de6\u53f3\u5bf9\u79f0\uff0c\u4e00\u822c\u8bbe\u4e3a\u5947\u6570)\n    max_show = 11\n    half_show = max_show \/\/ 2\n    # \u8ba1\u7b97\u4e00\u4e0b\u9875\u9762\u663e\u793a\u7684\u9875\u7801\u8303\u56f4\n    if total_page <= max_show:  # \u603b\u9875\u7801\u6570\u5c0f\u4e8e\u6700\u5927\u663e\u793a\u9875\u7801\u6570\n        page_start = 1\n        page_end = total_page\n    elif current_page + half_show >= total_page:  # \u53f3\u8fb9\u8d8a\u754c\n        page_end = total_page\n        page_start = total_page - max_show\n    elif current_page - half_show <= 1:  # \u5de6\u8fb9\u8d8a\u754c\n        page_start = 1\n        page_end = max_show\n    else:  # \u6b63\u5e38\u9875\u7801\u533a\u95f4\n        page_start = current_page - half_show\n        page_end = current_page + half_show\n    # \u6570\u636e\u7d22\u5f15\u8d77\u59cb\u4f4d\u7f6e\n    data_start = (current_page-1) * per_page\n    data_end = current_page * per_page\n\n    publisher_list = models.Publisher.objects.all()[data_start:data_end]\n\n    # \u751f\u6210\u9875\u9762\u4e0a\u663e\u793a\u7684\u9875\u7801\n    page_html_list = []\n    page_html_list.append('<nav aria-label="Page navigation"><ul class="pagination">')\n    # \u52a0\u9996\u9875\n    first_li = '<li><a href="\/publisher_list\/?page=1">\u9996\u9875<\/a><\/li>'\n    page_html_list.append(first_li)\n    # \u52a0\u4e0a\u4e00\u9875\n    if current_page == 1:\n        prev_li = '<li><a href="#"><span aria-hidden="true">\u00ab<\/span><\/a><\/li>'\n    else:\n        prev_li = '<li><a href="\/publisher_list\/?page={}"><span aria-hidden="true">\u00ab<\/span><\/a><\/li>'.format(current_page - 1)\n    page_html_list.append(prev_li)\n    for i in range(page_start, page_end + 1):\n        if i == current_page:\n            li_tag = '<li class="active"><a href="\/publisher_list\/?page={0}">{0}<\/a><\/li>'.format(i)\n        else:\n            li_tag = '<li><a href="\/publisher_list\/?page={0}">{0}<\/a><\/li>'.format(i)\n        page_html_list.append(li_tag)\n    # \u52a0\u4e0b\u4e00\u9875\n    if current_page == total_page:\n        next_li = '<li><a href="#"><span aria-hidden="true">\u00bb<\/span><\/a><\/li>'\n    else:\n        next_li = '<li><a href="\/publisher_list\/?page={}"><span aria-hidden="true">\u00bb<\/span><\/a><\/li>'.format(current_page + 1)\n    page_html_list.append(next_li)\n    # \u52a0\u5c3e\u9875\n    page_end_li = '<li><a href="\/publisher_list\/?page={}">\u5c3e\u9875<\/a><\/li>'.format(total_page)\n    page_html_list.append(page_end_li)\n    page_html_list.append('<\/ul><\/nav>')\n    page_html = "".join(page_html_list)\n    return render(request, "publisher_list.html", {"publisher_list": publisher_list, "page_html": page_html})<\/code><\/pre>\n
\u5c01\u88c5\u4fdd\u5b58\u7248<\/h5>\n
class Pagination(object):\n    """\u81ea\u5b9a\u4e49\u5206\u9875\uff08Bootstrap\u7248\uff09"""\n    def __init__(self, current_page, total_count, base_url, per_page=10, max_show=11):\n        """\n        :param current_page: \u5f53\u524d\u8bf7\u6c42\u7684\u9875\u7801\n        :param total_count: \u603b\u6570\u636e\u91cf\n        :param base_url: \u8bf7\u6c42\u7684URL\n        :param per_page: \u6bcf\u9875\u663e\u793a\u7684\u6570\u636e\u91cf\uff0c\u9ed8\u8ba4\u503c\u4e3a10\n        :param max_show: \u9875\u9762\u4e0a\u6700\u591a\u663e\u793a\u591a\u5c11\u4e2a\u9875\u7801\uff0c\u9ed8\u8ba4\u503c\u4e3a11\n        """\n        try:\n            self.current_page = int(current_page)\n        except Exception as e:\n            # \u53d6\u4e0d\u5230\u6216\u8005\u9875\u7801\u6570\u4e0d\u662f\u6570\u5b57\u90fd\u9ed8\u8ba4\u5c55\u793a\u7b2c1\u9875\n            self.current_page = 1\n        # \u5b9a\u4e49\u6bcf\u9875\u663e\u793a\u591a\u5c11\u6761\u6570\u636e\n        self.per_page = per_page\n        # \u8ba1\u7b97\u51fa\u603b\u9875\u7801\u6570\n        total_page, more = divmod(total_count, per_page)\n        if more:\n            total_page += 1\n        self.total_page = total_page\n        # \u5b9a\u4e49\u9875\u9762\u4e0a\u6700\u591a\u663e\u793a\u591a\u5c11\u9875\u7801(\u4e3a\u4e86\u5de6\u53f3\u5bf9\u79f0\uff0c\u4e00\u822c\u8bbe\u4e3a\u5947\u6570)\n        self.max_show = max_show\n        self.half_show = max_show \/\/ 2\n        self.base_url = base_url\n\n    @property\n    def start(self):\n        return (self.current_page-1) * self.per_page\n\n    @property\n    def end(self):\n        return self.current_page * self.per_page\n\n    def page_html(self):\n        # \u8ba1\u7b97\u4e00\u4e0b\u9875\u9762\u663e\u793a\u7684\u9875\u7801\u8303\u56f4\n        if self.total_page <= self.max_show:  # \u603b\u9875\u7801\u6570\u5c0f\u4e8e\u6700\u5927\u663e\u793a\u9875\u7801\u6570\n            page_start = 1\n            page_end = self.total_page\n        elif self.current_page + self.half_show >= self.total_page:  # \u53f3\u8fb9\u8d8a\u754c\n            page_end = self.total_page\n            page_start = self.total_page - self.max_show\n        elif self.current_page - self.half_show <= 1:  # \u5de6\u8fb9\u8d8a\u754c\n            page_start = 1\n            page_end = self.max_show\n        else:  # \u6b63\u5e38\u9875\u7801\u533a\u95f4\n            page_start = self.current_page - self.half_show\n            page_end = self.current_page + self.half_show\n        # \u751f\u6210\u9875\u9762\u4e0a\u663e\u793a\u7684\u9875\u7801\n        page_html_list = []\n        page_html_list.append('<nav aria-label="Page navigation"><ul class="pagination">')\n        # \u52a0\u9996\u9875\n        first_li = '<li><a href="{}?page=1">\u9996\u9875<\/a><\/li>'.format(self.base_url)\n        page_html_list.append(first_li)\n        # \u52a0\u4e0a\u4e00\u9875\n        if self.current_page == 1:\n            prev_li = '<li><a href="#"><span aria-hidden="true">«<\/span><\/a><\/li>'\n        else:\n            prev_li = '<li><a href="{}?page={}"><span aria-hidden="true">«<\/span><\/a><\/li>'.format(\n                self.base_url, self.current_page - 1)\n        page_html_list.append(prev_li)\n        for i in range(page_start, page_end + 1):\n            if i == self.current_page:\n                li_tag = '<li class="active"><a href="{0}?page={1}">{1}<\/a><\/li>'.format(self.base_url, i)\n            else:\n                li_tag = '<li><a href="{0}?page={1}">{1}<\/a><\/li>'.format(self.base_url, i)\n            page_html_list.append(li_tag)\n        # \u52a0\u4e0b\u4e00\u9875\n        if self.current_page == self.total_page:\n            next_li = '<li><a href="#"><span aria-hidden="true">»<\/span><\/a><\/li>'\n        else:\n            next_li = '<li><a href="{}?page={}"><span aria-hidden="true">»<\/span><\/a><\/li>'.format(\n                self.base_url, self.current_page + 1)\n        page_html_list.append(next_li)\n        # \u52a0\u5c3e\u9875\n        page_end_li = '<li><a href="{}?page={}">\u5c3e\u9875<\/a><\/li>'.format(self.base_url, self.total_page)\n        page_html_list.append(page_end_li)\n        page_html_list.append('<\/ul><\/nav>')\n        return "".join(page_html_list)<\/code><\/pre>\n
\u5c01\u88c5\u4fdd\u5b58\u7248\u4f7f\u7528\u793a\u4f8b<\/h5>\n
def publisher_list(request):\n    # \u4eceURL\u4e2d\u53d6\u5f53\u524d\u8bbf\u95ee\u7684\u9875\u7801\u6570\n    current_page = int(request.GET.get('page'))\n    # \u6bd4len(models.Publisher.objects.all())\u66f4\u9ad8\u6548\n    total_count = models.Publisher.objects.count()\n    page_obj = Pagination(current_page, total_count, request.path_info)\n    data = models.Publisher.objects.all()[page_obj.start:page_obj.end]\n    page_html = page_obj.page_html()\n    return render(request, "publisher_list.html", {"publisher_list": data, "page_html": page_html})<\/code><\/pre>\n
Django\u5185\u7f6e\u5206\u9875<\/h2>\n
\u5185\u7f6e\u5206\u9875view\u90e8\u5206<\/h5>\n
<!DOCTYPE html>\n<html>\n<head lang="en">\n    <meta charset="UTF-8">\n    <title><\/title>\n<\/head>\n<body>\n<ul>\n    {% for item in posts %}\n        <li>{{ item }}<\/li>\n    {% endfor %}\n<\/ul>\n\n<div class="pagination">\n      <span class="step-links">\n        {% if posts.has_previous %}\n            <a href="?p={{ posts.previous_page_number }}">Previous<\/a>\n        {% endif %}\n          <span class="current">\n            Page {{ posts.number }} of {{ posts.paginator.num_pages }}.\n          <\/span>\n          {% if posts.has_next %}\n              <a href="?p={{ posts.next_page_number }}">Next<\/a>\n          {% endif %}\n      <\/span>\n\n<\/div>\n<\/body>\n<\/html><\/code><\/pre>\n
\u5185\u7f6e\u5206\u9875HTML\u90e8\u5206<\/h5>\n
<!DOCTYPE html>\n<html>\n<head lang="en">\n    <meta charset="UTF-8">\n    <title><\/title>\n<\/head>\n<body>\n<ul>\n    {% for item in posts %}\n        <li>{{ item }}<\/li>\n    {% endfor %}\n<\/ul>\n\n<div class="pagination">\n      <span class="step-links">\n        {% if posts.has_previous %}\n            <a href="?p={{ posts.previous_page_number }}">Previous<\/a>\n        {% endif %}\n          <span class="current">\n            Page {{ posts.number }} of {{ posts.paginator.num_pages }}.\n          <\/span>\n          {% if posts.has_next %}\n              <a href="?p={{ posts.next_page_number }}">Next<\/a>\n          {% endif %}\n      <\/span>\n\n<\/div>\n<\/body>\n<\/html>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
cookie Cookie\u7684\u7531\u6765 \u5927\u5bb6\u90fd\u77e5\u9053HTTP\u534f\u8bae\u662f\u65e0\u72b6\u6001\u7684\u3002 \u65e0\u72b6\u6001\u7684\u610f\u601d\u662f\u6bcf\u6b21\u8bf7\u6c42\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u5b83\u7684\u6267 […]<\/p>\n","protected":false},"author":3,"featured_media":5756,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[385,388],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5754"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5754"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5754\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/5756"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}