{"id":1707,"date":"2021-08-02T15:27:05","date_gmt":"2021-08-02T07:27:05","guid":{"rendered":"https:\/\/egonlin.com\/?p=1707"},"modified":"2022-02-07T17:44:56","modified_gmt":"2022-02-07T09:44:56","slug":"flask%e6%a1%86%e6%9e%b6","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1707","title":{"rendered":"Flask\u6846\u67b6"},"content":{"rendered":"

Flask\u6846\u67b6<\/h1>\n

1. Flask \u4e2d\u6b63\u5219 URL \u7684\u5b9e\u73b0\uff1f<\/h4>\n

app.route(‘‘)\u4e2d URL \u663e\u5f0f\u652f\u6301 string\u3001int\u3001float\u3001path uuid any 6\u79cd\u7c7b\u578b\uff0c\u9690\u5f0f\u652f\u6301\u6b63\u5219\u3002
\n\u7b2c\u4e00\u6b65\uff1a<\/strong>\u5199\u6b63\u5219\u7c7b\uff0c\u7ee7\u627f BaseConverter\uff0c\u5c06\u5339\u914d\u5230\u7684\u503c\u8bbe\u7f6e\u4e3a regex \u7684\u503c\u3002 <\/p>\n

1. class RegexUrl(BaseConverter): \n2.      def __init__(self\uff0c url_map\uff0c *args): \n3.          super(RegexUrl\uff0c self).__init__(url_map) \n4.          self.regex = args[0] <\/code><\/pre>\n
\u7b2c\u4e8c\u6b65\uff1a<\/strong>\u628a\u6b63\u5219\u7c7b\u8d4b\u503c\u7ed9\u6211\u4eec\u5b9a\u4e49\u7684\u6b63\u5219\u89c4\u5219\u3002 <\/p>\n
5. app.url_map.converters['re'] = RegexUrl <\/code><\/pre>\n
\u7b2c\u4e09\u6b65\uff1a<\/strong>\u5728 URL \u4e2d\u4f7f\u7528\u6b63\u5219\u3002 <\/p>\n
6. @app.route('\/regex\/<re("[a-z]{3}"):id>') \n7. def regex111(id): \n8.    return 'id:%s'%id <\/code><\/pre>\n
2. Flask \u4e2d\u8bf7\u6c42\u4e0a\u4e0b\u6587\u548c\u5e94\u7528\u4e0a\u4e0b\u6587\u7684\u533a\u522b\u548c\u4f5c\u7528\uff1f<\/h4>\n
current_app\u3001g \u662f\u5e94\u7528\u4e0a\u4e0b\u6587\u3002
\nrequest\u3001session \u662f\u8bf7\u6c42\u4e0a\u4e0b\u6587\u3002
\n\u624b\u52a8\u521b\u5efa\u4e0a\u4e0b\u6587\u7684\u4e24\u79cd\u65b9\u6cd5\uff1a <\/p>\n
1. with app.app_context() \n2. app = current_app._get_current_object() <\/code><\/pre>\n
\u4e24\u8005\u533a\u522b\uff1a<\/strong>
\n\u8bf7\u6c42\u4e0a\u4e0b\u6587\uff1a\u4fdd\u5b58\u4e86\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4ea4\u4e92\u7684\u6570\u636e\u3002
\n\u5e94\u7528\u4e0a\u4e0b\u6587\uff1aflask \u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4fdd\u5b58\u7684\u4e00\u4e9b\u914d\u7f6e\u4fe1\u606f\uff0c\u6bd4\u5982\u7a0b\u5e8f\u540d\u3001\u6570\u636e\u5e93\u8fde\u63a5\u3001\u5e94\u7528\u4fe1\u606f\u7b49\u3002
\n\u4e24\u8005\u4f5c\u7528\uff1a
\n\u8bf7\u6c42\u4e0a\u4e0b\u6587(request context)\uff1a
\nFlask\u4ece\u5ba2\u6237\u7aef\u6536\u5230\u8bf7\u6c42\u65f6\uff0c\u8981\u8ba9\u89c6\u56fe\u51fd\u6570\u80fd\u8bbf\u95ee\u4e00\u4e9b\u5bf9\u8c61\uff0c\u8fd9\u6837\u624d\u80fd\u5904\u7406\u8bf7\u6c42\u3002\u8bf7\u6c42\u5bf9\u8c61\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\uff0c\u5b83\u5c01\u88c5\u4e86\u5ba2\u6237\u7aef\u53d1\u9001\u7684HTTP\u8bf7\u6c42\u3002
\n\u8981\u60f3\u8ba9\u89c6\u56fe\u51fd\u6570\u80fd\u591f\u8bbf\u95ee\u8bf7\u6c42\u5bf9\u8c61\uff0c\u4e00\u4e2a\u663e\u800c\u6613\u89c1\u7684\u65b9\u5f0f\u662f\u5c06\u5176\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u89c6\u56fe\u51fd\u6570\uff0c\u4e0d\u8fc7\u8fd9\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u4e2d\u7684\u6bcf\u4e2a\u89c6\u56fe\u51fd\u6570\u90fd\u589e\u52a0\u4e00\u4e2a\u53c2\u6570\uff0c\u9664\u4e86\u8bbf\u95ee\u8bf7\u6c42\u5bf9\u8c61,\u5982\u679c\u89c6\u56fe\u51fd\u6570\u5728\u5904\u7406\u8bf7\u6c42\u65f6\u8fd8\u8981\u8bbf\u95ee\u5176\u4ed6\u5bf9\u8c61\uff0c\u60c5\u51b5\u4f1a\u53d8\u5f97\u66f4\u7cdf\u3002\u4e3a\u4e86\u907f\u514d\u5927\u91cf\u53ef\u6709\u53ef\u65e0\u7684\u53c2\u6570\u628a\u89c6\u56fe\u51fd\u6570\u5f04\u5f97\u4e00\u56e2\u7cdf\uff0c
\nFlask\u4f7f\u7528\u4e0a\u4e0b\u6587\u4e34\u65f6\u628a\u67d0\u4e9b\u5bf9\u8c61\u53d8\u4e3a\u5168\u5c40\u53ef\u8bbf\u95ee\u3002
\n\u5e94\u7528\u4e0a\u4e0b\u6587(application context)\uff1a
\n\u5b83\u7684\u5b57\u9762\u610f\u601d\u662f \u5e94\u7528\u4e0a\u4e0b\u6587\uff0c\u4f46\u5b83\u4e0d\u662f\u4e00\u76f4\u5b58\u5728\u7684\uff0c\u5b83\u53ea\u662frequest context \u4e2d\u7684\u4e00\u4e2a\u5bf9 app \u7684\u4ee3\u7406(\u4eba)\uff0c\u6240\u8c13local proxy\u3002\u5b83\u7684\u4f5c\u7528\u4e3b\u8981\u662f\u5e2e\u52a9 request \u83b7\u53d6\u5f53\u524d\u7684\u5e94\u7528\uff0c\u5b83\u662f\u4f34 request \u800c\u751f\uff0c\u968f request \u800c\u706d\u7684\u3002 <\/p>\n
3. Flask\u4e2d\u6570\u636e\u5e93\u8bbe\u7f6e\uff1f<\/h4>\n
 app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql:\/\/root:mysql@127.0.0.1:3306\/test' <\/code><\/pre>\n
\u52a8\u6001\u8ffd\u8e2a\u4fee\u6539\u8bbe\u7f6e\uff0c\u5982\u672a\u8bbe\u7f6e\u53ea\u4f1a\u63d0\u793a\u8b66\u544a <\/p>\n
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True <\/code><\/pre>\n
\u67e5\u8be2\u65f6\u4f1a\u663e\u793a\u539f\u59cbSQL\u8bed\u53e5 <\/p>\n
 app.config['SQLALCHEMY_ECHO'] = True <\/code><\/pre>\n
\"\"<\/div><\/p>\n
4. \u5e38\u7528\u7684SQLAlchemy\u67e5\u8be2\u8fc7\u6ee4\u5668\uff1f<\/h4>\n
\"\"<\/div><\/p>\n
5. \u5bf9Flask\u84dd\u56fe(Blueprint)\u7684\u7406\u89e3\uff1f<\/h4>\n
1) \u84dd\u56fe\u7684\u5b9a\u4e49<\/strong>
\n\u84dd\u56fe \/Blueprint \u662fFlask\u5e94\u7528\u7a0b\u5e8f\u7ec4\u4ef6\u5316\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u5e94\u7528\u5185\u6216\u8de8\u8d8a\u591a\u4e2a\u9879\u76ee\u5171\u7528\u84dd\u56fe\u3002
\n\u4f7f\u7528\u84dd\u56fe\u53ef\u4ee5\u6781\u5927\u5730\u7b80\u5316\u5927\u578b\u5e94\u7528\u7684\u5f00\u53d1\u96be\u5ea6\uff0c\u4e5f\u4e3a Flask\u6269\u5c55 \u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u5e94\u7528\u4e2d\u6ce8\u518c\u670d\u52a1\u7684\u96c6\u4e2d\u5f0f\u673a\u5236\u3002
\n2) \u84dd\u56fe\u7684\u5e94\u7528\u573a\u666f<\/strong>  <\/p>\n
    \n
  1. \u628a\u4e00\u4e2a\u5e94\u7528\u5206\u89e3\u4e3a\u4e00\u4e2a\u84dd\u56fe\u7684\u96c6\u5408\u3002\u8fd9\u5bf9\u5927\u578b\u5e94\u7528\u662f\u7406\u60f3\u7684\u3002\u4e00\u4e2a\u9879\u76ee\u53ef\u4ee5\u5b9e\u4f8b\u5316\u4e00\u4e2a\u5e94\u7528\u5bf9\u8c61\uff0c\u521d\u59cb\u5316\u51e0\u4e2a\u6269\u5c55\uff0c\u5e76\u6ce8\u518c\u4e00\u96c6\u5408\u7684\u84dd\u56fe\u3002 <\/li>\n
  2. \u4ee5 URL \u524d\u7f00\u548c\/\u6216\u5b50\u57df\u540d\uff0c\u5728\u5e94\u7528\u4e0a\u6ce8\u518c\u4e00\u4e2a\u84dd\u56fe\u3002 URL \u524d\u7f00\/\u5b50\u57df\u540d\u4e2d\u7684\u53c2\u6570\u5373\u6210\u4e3a\u8fd9\u4e2a\u84dd\u56fe\u4e0b\u7684\u6240\u6709\u89c6\u56fe\u51fd\u6570\u7684\u5171\u540c\u7684\u89c6\u56fe\u53c2\u6570\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff09\u3002 <\/li>\n
  3. \u5728\u4e00\u4e2a\u5e94\u7528\u4e2d\u7528\u4e0d\u540c\u7684 URL \u89c4\u5219\u591a\u6b21\u6ce8\u518c\u4e00\u4e2a\u84dd\u56fe\u3002 <\/li>\n
  4. \u901a\u8fc7\u84dd\u56fe\u63d0\u4f9b\u6a21\u677f\u8fc7\u6ee4\u5668\u3001\u9759\u6001\u6587\u4ef6\u3001\u6a21\u677f\u548c\u5176\u5b83\u529f\u80fd\u3002\u4e00\u4e2a\u84dd\u56fe\u4e0d\u4e00\u5b9a\u8981\u5b9e\u73b0\u5e94\u7528\u6216\u8005\u89c6\u56fe\u51fd\u6570\u3002 <\/li>\n
  5. \u521d\u59cb\u5316\u4e00\u4e2a Flask \u6269\u5c55\u65f6\uff0c\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e2d\u6ce8\u518c\u4e00\u4e2a\u84dd\u56fe\u3002
    \n3) \u84dd\u56fe\u7684\u7f3a\u70b9<\/strong>
    \n\u4e0d\u80fd\u5728\u5e94\u7528\u521b\u5efa\u540e\u64a4\u9500\u6ce8\u518c\u4e00\u4e2a\u84dd\u56fe\u800c\u4e0d\u9500\u6bc1\u6574\u4e2a\u5e94\u7528\u5bf9\u8c61\u3002
    \n4) \u4f7f\u7528\u84dd\u56fe\u7684\u4e09\u4e2a\u6b65\u9aa4<\/strong>
    \n1.\u521b\u5efa \u4e00\u4e2a\u84dd\u56fe\u5bf9\u8c61<\/strong> <\/li>\n<\/ol>\n
     blue = Blueprint("blue"\uff0c__name__) <\/code><\/pre>\n
    2.\u5728\u8fd9\u4e2a\u84dd\u56fe\u5bf9\u8c61\u4e0a\u8fdb\u884c\u64cd\u4f5c \uff0c\u4f8b\u5982\u6ce8\u518c\u8def\u7531\u3001\u6307\u5b9a\u9759\u6001\u6587\u4ef6\u5939\u3001\u6ce8\u518c\u6a21\u677f\u8fc7\u6ee4\u5668<\/strong><\/p>\n
     @blue.route('\/') \n     def blue_index(): \n        return 'Welcome to my blueprint' <\/code><\/pre>\n
    3.\u5728\u5e94\u7528\u5bf9\u8c61\u4e0a\u6ce8\u518c\u8fd9\u4e2a\u84dd\u56fe\u5bf9\u8c61<\/strong> <\/p>\n
     app.register_blueprint(blue\uff0curl_prefix='\/blue') <\/code><\/pre>\n
    \u5b57\u6bb5\u5bf9\u8c61 \u8bf4\u660e
    \nFieldList \u4e00\u7ec4\u6307\u5b9a\u7c7b\u578b\u7684\u5b57\u6bb5
    \nWTForms\u5e38\u7528\u9a8c\u8bc1\u51fd\u6570
    \nInputRequired \u786e\u4fdd\u5b57\u6bb5\u4e2d\u6709\u6570\u636e
    \nDataRequired \u786e\u4fdd\u5b57\u6bb5\u4e2d\u6709\u6570\u636e\u5e76\u4e14\u6570\u636e\u4e3a\u771f
    \nEqualTo \u6bd4\u8f83\u4e24\u4e2a\u5b57\u6bb5\u7684\u503c\uff0c\u5e38\u7528\u4e8e\u6bd4\u8f83\u4e24\u6b21\u5bc6\u7801\u8f93\u5165
    \nLength \u9a8c\u8bc1\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u957f\u5ea6
    \nNumberRange \u9a8c\u8bc1\u8f93\u5165\u7684\u503c\u5728\u6570\u5b57\u8303\u56f4\u5185
    \nURL \u9a8c\u8bc1URL
    \nAnyOf \u9a8c\u8bc1\u8f93\u5165\u503c\u5728\u53ef\u9009\u5217\u8868\u4e2d
    \nNoneOf \u9a8c\u8bc1\u8f93\u5165\u503c\u4e0d\u5728\u53ef\u9009\u5217\u8868\u4e2d
    \n\u4f7f\u7528Flask-WTF\u9700\u8981\u914d\u7f6e\u53c2\u6570SECRET_KEY\u3002<\/strong>
    \nCSRF_ENABLED\u662f\u4e3a\u4e86CSRF\uff08\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff09\u4fdd\u62a4\u3002 SECRET_KEY\u7528\u6765\u751f\u6210\u52a0\u5bc6\u4ee4\u724c\uff0c\u5f53CSRF\u6fc0\u6d3b\u7684\u65f6\u5019\uff0c\u8be5\u8bbe\u7f6e\u4f1a\u6839\u636e\u8bbe\u7f6e\u7684\u5bc6\u5319\u751f\u6210\u52a0\u5bc6\u4ee4\u724c\u3002 <\/p>\n
    6. Flask\u9879\u76ee\u4e2d\u5982\u4f55\u5b9e\u73b0 session \u4fe1\u606f\u7684\u5199\u5165\uff1f<\/h4>\n
    Flask\u4e2d\u6709\u4e09\u4e2a session\uff1a
    \n\u7b2c\u4e00\u4e2a\uff1a\u6570\u636e\u5e93\u4e2d\u7684 session\uff0c\u4f8b\u5982:db.session.add()
    \n\u7b2c\u4e8c\u4e2a\uff1a\u5728 flask_session \u6269\u5c55\u4e2d\u7684 session\uff0c\u4f7f\u7528\uff1afrom flask_session importSession\uff0c\u4f7f\u7528\u7b2c\u4e09\u65b9\u6269\u5c55\u7684 session \u53ef\u4ee5\u628a\u4fe1\u606f\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e2d\uff0c\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\u53ea\u5b58\u50a8 sessionid\u3002
    \n\u7b2c\u4e09\u4e2a\uff1aflask \u81ea\u5e26\u7684 session\uff0c\u662f\u4e00\u4e2a\u8bf7\u6c42\u4e0a\u4e0b\u6587\uff0c \u4f7f\u7528\uff1afrom flask import session\u3002\u81ea\u5e26\u7684session \u628a\u4fe1\u606f\u52a0\u5bc6\u540e\u90fd\u5b58\u50a8\u5728\u5ba2\u6237\u7aef\u7684\u6d4f\u89c8\u5668 cookie \u4e2d\u3002 <\/p>\n
    7. \u9879\u76ee\u63a5\u53e3\u5b9e\u73b0\u540e\u8def\u7531\u8bbf\u95ee\u4e0d\u5230\u600e\u4e48\u529e\uff1f<\/h4>\n
    1.\u53ef\u4ee5\u901a\u8fc7 postman \u6d4b\u8bd5\u5de5\u5177\u6d4b\u8bd5\uff0c\u6216\u8005\u770b log \u65e5\u5fd7\u4fe1\u606f\u627e\u5230\u9519\u8bef\u4fe1\u606f\u7684\u5927\u6982\u4f4d\u7f6e\u3002
    \n2.\u65ad\u70b9\u8c03\u8bd5<\/p>\n
    8. Flask\u4e2durl_for\u51fd\u6570\uff1f<\/h4>\n
    1.URL\u53cd\u8f6c\uff1a<\/strong>\u6839\u636e\u89c6\u56fe\u51fd\u6570\u540d\u79f0\u5f97\u5230\u5f53\u524d\u6240\u6307\u5411\u7684url\u3002
    \n2.url_for()<\/strong> \u51fd\u6570\u6700\u7b80\u5355\u7684\u7528\u6cd5\u662f\u4ee5\u89c6\u56fe\u51fd\u6570\u540d\u4f5c\u4e3a\u53c2\u6570\uff0c\u8fd4\u56de\u5bf9\u5e94\u7684url\uff0c\u8fd8\u53ef\u4ee5\u7528\u4f5c\u52a0\u8f7d\u9759\u6001\u6587\u4ef6\u3002<\/p>\n
     <link rel="stylesheet" href="{{url_for('static',filename='css\/index.css')}}">  <\/code><\/pre>\n
    \u8be5\u6761\u8bed\u53e5\u5c31\u662f\u5728\u6a21\u7248\u4e2d\u52a0\u8f7dcss\u9759\u6001\u6587\u4ef6\u3002
    \n3.url_for \u548c redirect \u533a\u522b<\/strong>
    \nurl_for\u662f\u7528\u6765\u62fc\u63a5 URL \u7684\uff0c\u53ef\u4ee5\u4f7f\u7528\u7a0b\u5e8f URL \u6620\u5c04\u4e2d\u4fdd\u5b58\u7684\u4fe1\u606f\u751f\u6210 URL\u3002url_for() \u51fd\u6570\u6700\u7b80\u5355\u7684\u7528\u6cd5\u662f\u4ee5\u89c6\u56fe\u51fd\u6570\u540d\u4f5c\u4e3a\u53c2\u6570\uff0c \u8fd4\u56de\u5bf9\u5e94\u7684 URL\u3002\u4f8b\u5982\uff0c\u5728\u793a\u4f8b\u7a0b\u5e8f\u4e2d hello.py \u4e2d\u8c03\u7528
    \nurl_for(‘index’) \u5f97\u5230\u7684\u7ed3\u679c\u662f \/\u3002
    \nredirect \u662f\u91cd\u5b9a\u5411\u51fd\u6570\uff0c\u8f93\u5165\u4e00\u4e2aURL\u540e\uff0c\u81ea\u52a8\u8df3\u8f6c\u5230\u53e6\u4e00\u4e2aURL\u6240\u5728\u7684\u5730\u5740\uff0c\u4f8b\u5982\uff0c\u4f60\u5728\u51fd\u6570
    \n\u4e2d\u5199 return redirect(‘https:\/\/www.baidu.com<\/a>‘) \u9875\u9762\u5c31\u4f1a\u8df3\u8f6c\u5411\u767e\u5ea6\u9875\u9762\u3002 <\/p>\n
    1. from flask import Flask,redirect,url_for   \n2. app = Flask(__name__)   \n3. @app.route('\/')   \n4. def index():   \n5.     login_url = url_for('login')   \n6.     return redirect(login_url)   \n7.     return u'\u8fd9\u662f\u9996\u9875'   \n8.   \n9. @app.route('\/login\/')   \n10. def login():   \n11.     return  u'\u8fd9\u662f\u767b\u9646\u9875\u9762'   \n12.   \n13. @app.route('\/question\/<is_login>\/')   \n14. def question(is_login):   \n15.     if is_login == '1':   \n16.         return  u'\u8fd9\u662f\u53d1\u5e03\u95ee\u7b54\u7684\u9875\u9762'   \n17.     else:   \n18.         return  redirect(url_for('login'))   \n19.    \n20. if __name__ == '__main__':   \n21.     app.run(debug=True)  <\/code><\/pre>\n
    9. Flask\u4e2d\u8bf7\u6c42\u94a9\u5b50\u7684\u7406\u89e3\u548c\u5e94\u7528\uff1f<\/h4>\n
    \u8bf7\u6c42\u94a9\u5b50\u662f\u901a\u8fc7\u88c5\u9970\u5668\u7684\u5f62\u5f0f\u5b9e\u73b0\u7684\uff0c\u652f\u6301\u4ee5\u4e0b\u56db\u79cd\uff1a
    \n1\uff0cbefore_first_request \u5728\u5904\u7406\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u524d\u8fd0\u884c
    \n2\uff0cbefore_request:\u5728\u6bcf\u6b21\u8bf7\u6c42\u524d\u8fd0\u884c
    \n3\uff0cafter_request:\u5982\u679c\u6ca1\u6709\u672a\u5904\u7406\u7684\u5f02\u5e38\u629b\u51fa\uff0c\u5728\u6bcf\u6b21\u8bf7\u6c42\u540e\u8fd0\u884c
    \n4\uff0cteardown_request:\u5373\u4f7f\u6709\u672a\u5904\u7406\u7684\u5f02\u5e38\u629b\u51fa\uff0c\u5728\u6bcf\u6b21\u8bf7\u6c42\u540e\u8fd0\u884c
    \n\u5e94\u7528\uff1a
    \n\u8bf7\u6c42\u94a9\u5b50 <\/p>\n
    1. @api.after_request  \n2. def after_request(response): \n3.    """\u8bbe\u7f6e\u9ed8\u8ba4\u7684\u54cd\u5e94\u62a5\u6587\u683c\u5f0f\u4e3a application\/json""" \n4.    # \u5982\u679c\u54cd\u5e94\u62a5\u6587 response \u7684 Content-Type \u662f\u4ee5 text \u5f00\u5934\uff0c\u5219\u5c06\u5176\u6539\u4e3a \n5.    # \u9ed8\u8ba4\u7684 json \u7c7b\u578b \n6.    if response.headers.get("Content-Type").startswith("text"): \n7.     response.headers["Content-Type"] = "application\/json" \n8.    return respon <\/code><\/pre>\n
    10. \u4e00\u4e2a\u53d8\u91cf\u540e\u5199\u591a\u4e2a\u8fc7\u6ee4\u5668\u662f\u5982\u4f55\u6267\u884c\u7684\uff1f<\/h4>\n
    {{ expression | filter1 | filter2 | … }} \u5373\u8868\u8fbe\u5f0f(expression)\u4f7f\u7528filter1 \u8fc7\u6ee4\u540e\u518d\u5c06filter1\u7684\u7ed3\u679c\u53bb\u4f7f\u7528 filter2 \u8fc7\u6ee4\u3002 <\/p>\n
    11. \u5982\u4f55\u628a\u6574\u4e2a\u6570\u636e\u5e93\u5bfc\u51fa\u6765\uff0c\u518d\u5bfc\u5165\u6307\u5b9a\u6570\u636e\u5e93\u4e2d\uff1f<\/h4>\n
    <\/p>
    <\/div>
    \u67e5\u770b\u66f4\u591a<\/h2>
    \u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>
    <\/div>
    <\/td><\/tr>
    <\/td><\/tr><\/tbody><\/table>
    		<\/td><\/tr><\/tbody><\/table><\/form>
    Register<\/a><\/div>
    Forgotten username or password?<\/a><\/div>
    <\/div><\/div><\/div>
    <\/div>","protected":false},"excerpt":{"rendered":"
    Flask\u6846\u67b6 1. Flask \u4e2d\u6b63\u5219 URL \u7684\u5b9e\u73b0\uff1f app.route(‘‘) […]<\/p>\n","protected":false},"author":3,"featured_media":2529,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[206],"tags":[216,217,215],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1707"}],"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=1707"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1707\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2529"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}