{"id":2081,"date":"2021-08-03T17:43:20","date_gmt":"2021-08-03T09:43:20","guid":{"rendered":"https:\/\/egonlin.com\/?p=2081"},"modified":"2022-02-07T15:05:47","modified_gmt":"2022-02-07T07:05:47","slug":"%e7%ac%ac%e4%b8%89%e8%8a%82%ef%bc%9a%e8%a7%86%e5%9b%be%e5%87%bd%e6%95%b0%e5%92%8c%e8%a7%86%e5%9b%be%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=2081","title":{"rendered":"\u7b2c\u4e8c\u8282\uff1a\u89c6\u56fe\u51fd\u6570\u548c\u89c6\u56fe\u7c7b"},"content":{"rendered":"

03-2-\u89c6\u56fe\u51fd\u6570\u548c\u89c6\u56fe\u7c7b<\/h1>\n

1 \u89c6\u56fe\u51fd\u6570<\/h1>\n

\u4e4b\u524d\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u8fc7\u4e86\u89c6\u56fe\u51fd\u6570\u7684\u5927\u6982\u7528\u6cd5\uff0c\u672c\u8282\u6df1\u5165\u4e86\u89e3\u4e00\u4e0b\u89c6\u56fe\u51fd\u6570<\/p>\n

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

1.1 endpoint\u7b80\u4ecb<\/h2>\n

endpint<\/code>\u53c2\u6570\u662f\u5199\u5728\u6ce8\u518c\u8def\u7531\u7684\u88c5\u9970\u5668\u4e2d\u7684\u4e00\u4e2a\u53c2\u6570\uff0c\u5b66\u540d\u53eb\u7aef\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u7406\u89e3\u4e3a\u51fd\u6570\u7684\u522b\u540d\u3002\u539f\u6765\u6211\u4eec\u7ffb\u8f6c\u89c6\u56fe\u51fd\u6570\u7684url<\/code>\u7684\u65f6\u5019\u662f\u76f4\u63a5\u901a\u8fc7\u662f\u5982\u51fd\u6570\u7684\u540d\u5b57\uff0c\u5982url_for('\u51fd\u6570\u540d')<\/code>\uff0c\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2aendpoint='fbv'<\/code>\u53c2\u6570\u6765\u8fdb\u884c\u7ffb\u8f6curl<\/code>\u3002\u5982\u679c\u4e0d\u6307\u5b9aendpoint,\u9ed8\u8ba4\u5c31\u4ee5\u51fd\u6570\u540d\u4f5c\u4e3a\u7aef\u70b9\u540d\u3002<\/p>\n

\u5b9e\u4f8b\uff1a<\/strong><\/p>\n

@app.route('\/fbvtest\/',methods=['GET','POST'],endpoint='fbv')  \ndef fbvtest():\n    url_demo = url_for('fbv')\n    return '\u5229\u7528\u89c6\u56fe\u51fd\u6570\u522b\u540d\u7ffb\u8f6c\u7684url\u4e3a\uff1a{}'.format(url_demo)<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u5173\u952e\u8bcd\uff1a<\/p>\n
    \n
  • \u5229\u7528@app.route()<\/code>  \u7684endpoint='fbv'<\/code>\u53c2\u6570\u53ef\u4ee5\u81ea\u7531\u6307\u5b9a\u7aef\u70b9\u540d\uff0curl_for\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u7aef\u70b9\u540d\u8fdb\u884c\u7ffb\u8f6c\u3002 <\/li>\n<\/ul>\n
    1.2 \u88c5\u9970\u5668\u6ce8\u518c\u8def\u7531\u6e90\u7801\u6d45\u6790<\/h2>\n
    \uff081\uff09<\/strong> \u9996\u5148\u5199\u4e00\u4e2a\u5c0f\u89c6\u56fe\u51fd\u6570<\/p>\n
    #\u6ce8\u518c\u88c5\u9970\u5668\u7684\u539f\u7406\n#1 v = app.route('\/source_code_demo\/',endpoint='source_code')\n#2 v(source_code_demo)\n@app.route('\/source_code_demo\/',endpoint='source_code')\ndef source_code_demo():\n\n    return 'source_code_demo'\n<\/code><\/pre>\n
    \uff082\uff09<\/strong> \u67e5\u770bapp.route()<\/code>\u6e90\u7801<\/p>\n
        ... \n    def route(self, rule, **options):\n    ...\n         def decorator(f):\n                endpoint = options.pop('endpoint', None)\n                self.add_url_rule(rule, endpoint, f, **options)\n                return f\n            return decorator<\/code><\/pre>\n
    \u89e3\u6790\uff1a<\/p>\n
      \n
    • \n
      \uff0c\u53d1\u73b0route()<\/code>\u8fd4\u56de\u7684\u662fdecorator<\/code>\u51fd\u6570\u5730\u5740\uff0c\u7136\u540e\u57fa\u4e8e\u8bed\u6cd5\u7cd6\u548c\u88c5\u9970\u5668\u7684\u539f\u7406\uff0cdecorator\u4f1a\u52a0\u62ec\u53f7\u8fd0\u884c\uff0c\u50cf\u8fd9\u6837decorator(source_code_demo)<\/code><\/p>\n<\/li>\n
    • \n
      decorator<\/code>\u51fd\u6570\u4e2d\u9996\u5148\u53d6\u51faendpoint<\/code>\uff0c\u7136\u540e\u8fd0\u884cself.add_url_rule(rule, endpoint, f, **options)<\/code><\/p>\n<\/li>\n
    • \n
      \u6240\u4ee5<\/strong> self.add_url_rule(rule, endpoint, f, **options)<\/code>\u5c31\u662f\u6ce8\u518c\u8def\u7531\u7684\u6838\u5fc3<\/strong><\/p>\n<\/li>\n<\/ul>\n
      \uff083\uff09<\/strong> \u70b9\u8fdbself.add_url_rule(rule, endpoint, f, **options)<\/code>\u67e5\u770b\u6e90\u7801,<\/p>\n
      \u200b      \u518d\u70b9\u8fdb_endpoint_from_view_func(view_func)<\/code>\u67e5\u770b\u6e90\u7801<\/p>\n
      \n  ...\n\n  @setupmethod\n  def add_url_rule(self, rule, endpoint=None, view_func=None,\n                     provide_automatic_options=None, **options):\n\n  ...\n\n       if endpoint is None:\n            endpoint = _endpoint_from_view_func(view_func)\n        options['endpoint'] = endpoint\n        methods = options.pop('methods', None)\n\n        # if the methods are not given and the view_func object knows its\n        # methods we can use that instead.  If neither exists, we go with\n        # a tuple of only ``GET`` as default.\n        if methods is None:\n            methods = getattr(view_func, 'methods', None) or ('GET',)\n\n        ...<\/code><\/pre>\n
      \u200b   <\/p>\n
      def _endpoint_from_view_func(view_func):\n    """Internal helper that returns the default endpoint for a given\n    function.  This always is the function name.\n    """\n    assert view_func is not None, 'expected view func if endpoint ' \\\n                                  'is not provided.'\n    return view_func.__name__<\/code><\/pre>\n
      \u89e3\u6790\uff1a<\/p>\n
        \n
      • \n
        \u7531\u4e0a\u8ff0\u4ee3\u7801\u6211\u4eec\u53ef\u4ee5\u76f4\u5230\u5982\u679c\u6ca1\u6709\u6307\u5b9aendpoint<\/code>\uff0c\u6211\u4eec\u8c03\u7528\u4e86 _endpoint_from_view_func\uff08\uff09<\/code><\/p>\n<\/li>\n
      • \n
        \u89c2\u5bdf_endpoint_from_view_func<\/code>\u51fd\u6570\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff0c\u8fd4\u56de\u4e86\u89c6\u56fe\u51fd\u6570\u7684\u540d\u5b57\u7ed9\u4e86endpoint<\/code>\u8d4b\u503c<\/p>\n<\/li>\n
      • \n
        methos<\/code>\u6ca1\u6709\u6307\u5b9a\u4f1a\u7ed9methos\u8d4b\u9ed8\u8ba4\u503c('GET',)<\/code><\/p>\n<\/li>\n<\/ul>\n
        \u5c0f\u7ed3\uff1a<\/strong><\/p>\n
          \n
        1. self.add_url_rule(rule, endpoint, f, options)<\/code>\u5c31\u662f\u6ce8\u518c\u8def\u7531\u7684\u6838\u5fc3<\/li>\n
        2. \u89c2\u5bdf_endpoint_from_view_func<\/code>\u51fd\u6570\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff0c\u8fd4\u56de\u4e86\u89c6\u56fe\u51fd\u6570\u7684\u540d\u5b57\u7ed9\u4e86endpoint<\/code>\u8d4b\u503c<\/li>\n
        3. methos<\/code>\u6ca1\u6709\u6307\u5b9a\u4f1a\u7ed9methods<\/code>\u8d4b\u9ed8\u8ba4\u503c('GET',)<\/code><\/li>\n<\/ol>\n
          \"\"<\/div><\/p>\n
          1.3 \u53e6\u4e00\u79cd\u6ce8\u518c\u8def\u7531\u7684\u65b9\u5f0f—app.add_url_rule()<\/h2>\n
          \u901a\u8fc7\u770b\u4e0a\u4e00\u4e2a\u5c0f\u8282\u5199\u7684\u6e90\u7801\uff0c\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86app.route() \u7684\u6838\u5fc3\u5c31\u662fself.add_url_rule(rule, endpoint, f, options)<\/code>\u5c31\u662f\u6ce8\u518c\u8def\u7531\u7684\u6838\u5fc3\u3002\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528app.add_url_rule()<\/code>\u7684\u65b9\u5f0f\u6765\u6ce8\u518c\u8def\u7531\u3002<\/p>\n
          \u5b9e\u4f8b\uff1a<\/strong><\/p>\n
          def add_url_test():\n\n    return '\u5b9e\u73b0\u4e86add_url\u65b9\u5f0f\u6ce8\u518c\u8def\u7531'\n                 # url                       \u7aef\u70b9                 \u51fd\u6570\u5730\u5740\napp.add_url_rule('\/add_url_test\/',endpoint='add_demo',view_func=add_url_test)\n<\/code><\/pre>\n
          \"\"<\/div><\/p>\n
          1.4 \u89c6\u56fe\u51fd\u6570\u4e2d\u6dfb\u52a0\u81ea\u5b9a\u4e49\u88c5\u9970\u5668<\/h2>\n
          \u6211\u4eec\u5728\u5e73\u65f6\u7684\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5f88\u591a\u9700\u8981\u6743\u9650\u9a8c\u8bc1\u7684\u529f\u80fd\u9700\u8981\u7528\u5230\u88c5\u9970\u5668\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u662f\u5982\u4f55\u5728flask\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u88c5\u9970\u5668\u3002<\/p>\n
          from flask import Flask, request\nfrom functools import  wraps\n\napp = Flask(__name__)\n\ndef login_verify(func):\n    @wraps(func)\n    def wrapper(*args, **kwargs):\n        user_name = request.args.get('user')\n        password = request.args.get('password')\n        if user_name == 'mark' and password == '123':\n            return func(*args,**kwargs)\n        else:\n            return '\u8bf7\u767b\u5f55'\n    return wrapper\n\n@app.route('\/')\ndef hello_world():\n    return 'Hello World!'\n\n@app.route('\/my_info\/')\n@login_verify\ndef my_info():\n    return '\u4e2a\u4eba\u4fe1\u606f\u9875\u9762'<\/code><\/pre>\n
          \u5173\u952e\u8bcd<\/strong>\uff1a<\/p>\n
            \n
          1. \u88c5\u9970\u5668\u4e00\u5b9a\u8981\u5199\u5728\u6ce8\u518c\u8def\u7531\u7684\u4e0b\u9762\uff0c\u5199\u5728\u89c6\u56fe\u51fd\u6570\u7684\u4e0a\u9762\u3002<\/li>\n
          2. \u88c5\u9970\u5668\u5185\u90e8\u4e00\u5b9a\u8981\u4f7f\u7528@wraps(func)<\/code>\u65b9\u6cd5\uff0c\u7528\u4e8e\u4fdd\u62a4\u88ab\u88c5\u9970\u51fd\u6570\u7684\u5c5e\u6027\u3002<\/li>\n<\/ol>\n
            \"\"<\/div><\/p>\n
            2 \u89c6\u56fe\u7c7b<\/h1>\n
            2.1 \u89c6\u56fe\u7c7b\u7684\u57fa\u672c\u5199\u6cd5<\/h2>\n
            from flask import Flask, views, request, url_for\nfrom functools import wraps\n\ndef login_verify(func):\n    @wraps(func)\n    def wrapper(*args, **kwargs):\n        user_name = request.args.get('user')\n        password = request.args.get('password')\n        if user_name == 'mark' and password == '123':\n            return func(*args,**kwargs)\n        else:\n            return '\u8bf7\u767b\u5f55'\n    return wrapper\n\nclass CBVTest(views.MethodView):\n\n    methods = ['GET','POST']  # \u6307\u5b9a\u53ef\u4ee5\u63a5\u6536\u7684\u65b9\u6cd5\u6709\u4ec0\u4e48\n    decorators = [login_verify,]  # \u6307\u5b9a\u81ea\u5b9a\u4e49\u7684\u88c5\u9970\u5668\n\n    def get(self):\n        print(url_for('cbvtest'))\n        return 'cbv_get'\n    def post(self):\n        return 'cbv_post'\napp.add_url_rule('\/cbvtest',view_func=CBVTest.as_view(name='cbvtest'),endpoint='end_demo')\n<\/code><\/pre>\n
            \u8bb2\u89e3\uff1a<\/p>\n
              \n
            1. \n
              \u9996\u5148\u4eceflask\u4e2d\u5bfc\u5165  views<\/code><\/p>\n<\/li>\n
            2. \n
              \u5199\u4e00\u4e2a\u7c7b\u4e00\u5b9a\u8981\u7ee7\u627f views.MethodView<\/code><\/p>\n<\/li>\n
            3. \n
              \u5728\u7c7b\u4e2d\u5199methods = ['GET','POST']<\/code>  \u53ef\u4ee5\u6307\u5b9a\u53ef\u63a5\u53d7\u7684\u8bf7\u6c42\u7c7b\u578b<\/p>\n<\/li>\n
            4. \n
              \u5728\u7c7b\u4e2d\u5199decorators = [login_verify,]<\/code>\u53ef\u4ee5\u6307\u5b9a\u88c5\u9970\u5668\uff0c\u7b2c\u4e00\u4e2a\u88c5\u9970\u5668\u662f\u6700\u91cc\u5c42\u51fd\u6570\u4f9d\u6b21\u5f80\u540e\u5305\u88f9<\/p>\n<\/li>\n
            5. \n
              \u5728\u7c7b\u4e2d\u5199def get(self):<\/code>\u7528\u4e8e\u83b7\u53d6get\u8bf7\u6c42<\/p>\n<\/li>\n
            6. \n
              \u5728\u7c7b\u4e2d\u5199 def post(self):<\/code>\u7528\u4e8e\u83b7\u53d6post\u8bf7\u6c42<\/p>\n<\/li>\n
            7. \n
              \u6dfb\u52a0\u8def\u7531\u7684\u65b9\u6cd5\u4f7f\u7528<\/p>\n
              app.add_url_rule(\n   '\u8def\u7531',view_func=CBVTest.as_view(name='\u81ea\u5b9a\u4e49\u4e00\u4e2a\u7aef\u70b9\u540d\u5b57'))<\/code><\/pre>\n
              \u5176\u539f\u7406\u662fCBVTest.as_view(name='\u81ea\u5b9a\u4e49\u4e00\u4e2a\u7aef\u70b9\u540d\u5b57')<\/code>\u4f1a\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\uff0cname\u662f\u4e3a\u8fd9\u4e2a\u51fd\u6570\u547d\u7684\u540d\u5b57\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u51fd\u6570\u8fdb\u884c\u5206\u53d1\u8bf7\u6c42\u7b49\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<\/ol>\n
              \"\"<\/div><\/p>\n
              3 \u8be6\u7ec6\u8bb2\u89e3\u6ce8\u518c\u8def\u7531\u7684\u53c2\u6570\uff1a<\/h1>\n
              \u5e38\u7528\u7684\u53c2\u6570<\/h2>\n
              @app.route\u548capp.add_url_rule\u53c2\u6570:\nrule, URL\u89c4\u5219\nview_func, \u89c6\u56fe\u51fd\u6570\u540d\u79f0\nendpoint = None, \u540d\u79f0\uff0c\u7528\u4e8e\u53cd\u5411\u751f\u6210URL\uff0c\u5373\uff1a url_for('\u540d\u79f0')\nmethods = None, \u5141\u8bb8\u7684\u8bf7\u6c42\u65b9\u5f0f\uff0c\u5982\uff1a["GET", "POST"]<\/code><\/pre>\n
              \u4e0d\u5e38\u7528\u7684\u53c2\u6570(\u4e86\u89e3)<\/h2>\n
              \uff081\uff09<\/strong> \u5bf9URL\u6700\u540e\u7684 \/ \u7b26\u53f7\u662f\u5426\u4e25\u683c\u8981\u6c42 strict_slashes = False<\/code><\/p>\n
              strict_slashes = False\n    '''\n        @app.route('\/index', strict_slashes=False)\n        #\u8bbf\u95eehttp:\/\/www.xx.com\/index\/ \u6216http:\/\/www.xx.com\/index\u5747\u53ef\n        @app.route('\/index', strict_slashes=True)\n        #\u4ec5\u8bbf\u95eehttp:\/\/www.xx.com\/index\n    '''<\/code><\/pre>\n
              \uff082\uff09<\/strong> \u91cd\u5b9a\u5411\u5230\u6307\u5b9a\u5730\u5740redirect_to=\u201c \u201d<\/code><\/p>\n
              @app.route("\/",redirect_to='\/home\/')\ndef index():\n\n    return '\u6839\u8def\u5f84'\n\n@app.route("\/home\/")\ndef admin_demo():\n\n    return 'home\u8def\u5f84'<\/code><\/pre>\n
              \uff083\uff09<\/strong> \u4e3a\u51fd\u6570\u63d0\u4f9b\u9ed8\u8ba4\u53c2\u6570\u503c<\/p>\n
              defaults = None, \u9ed8\u8ba4\u503c, \u5f53URL\u4e2d\u65e0\u53c2\u6570\uff0c\u51fd\u6570\u9700\u8981\u53c2\u6570\u65f6\uff0c\u4f7f\u7528defaults = {'k': 'v'}<\/code><\/pre>\n
              \uff084\uff09<\/strong>\u5b50\u57df\u540d\u8bbe\u7f6esubdomain=\u201c \u201d<\/code><\/p>\n
              from flask import Flask,url_for\n\napp = Flask(__name__)\napp.debug = True\n'''\n\u5148\u5728hosts\u8bbe\u7f6e\u57df\u540d\u89e3\u6790(\u5c31\u662f\u5728\u672c\u673a\u7684hosts\u6587\u4ef6\u4e0a\u7f16\u8f91\u4e0a\u57df\u540d\u5bf9\u5e94ip\u7684\u5173\u7cfb) \n\u57df\u540d\u89e3\u6790\u4f1a\u5148\u89e3\u6790\u672c\u5730\u5982\u679c\u6ca1\u6709\u518d\u89e3\u6790dns\u670d\u52a1\u5668\nC:\\Windows\\System32\\drivers\\etc\\hosts\n\n127.0.0.1 mark.com\n127.0.0.1 admin.mark.com\n\n'''\napp.config['SERVER_NAME'] = 'mark.com:5000' # \u8fd9\u4e2a\u4ee3\u8868\u8bbf\u95ee\u8fd9\u4e2a\u57df\u540d\u7684\u65f6\u5019\u8981\u8bbf\u95ee5000\u7aef\u53e3\n\n@app.route("\/")\ndef index():\n\n    return '\u8bbe\u7f6e\u57df\u540d\u6210\u529f'\n\n@app.route("\/admin_demo\/",subdomain='admin')\ndef admin_demo():\n\n    return '\u8bbe\u7f6e\u5b50\u57df\u540d\u6210\u529f'\n\n'''\n\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u4e3b\u57df\u540d\nmark.com:5000\/\n\n\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u5b50\u57df\u540d\nadmin.mark.com:5000\/admin_demo\/\n\n\u6ce8\u610f\uff1a\u540e\u9762\u8ddf\u7684path\u8def\u5f84\u90e8\u5206\u6b63\u5e38\u5199\n'''\n\nif __name__ == '__main__':\n    app.run(host='127.0.0.1',port=5000) # \u6d4b\u8bd5\u670d\u52a1\u5668\u4e0d\u7a33\u5b9a\uff0c\u5c3d\u91cf\u624b\u52a8\u5236\u5b9aip\u548c\u7aef\u53e3<\/code><\/pre>\n
              \"\"<\/div><\/p>\n
              \"\"<\/div><\/p>\n
              \"\"<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
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