{"id":163,"date":"2026-06-17T19:16:30","date_gmt":"2026-06-17T11:16:30","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=163"},"modified":"2026-06-17T19:16:30","modified_gmt":"2026-06-17T11:16:30","slug":"flask-%e9%a1%b9%e7%9b%ae%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2026\/06\/17\/flask-%e9%a1%b9%e7%9b%ae%e7%bb%93%e6%9e%84\/","title":{"rendered":"Flask \u9879\u76ee\u7ed3\u6784"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5f53\u4f60\u7684 Flask \u5e94\u7528\u4ece\u201cHello World\u201d\u6210\u957f\u4e3a\u4e00\u4e2a\u5305\u542b\u6570\u636e\u5e93\u3001\u7528\u6237\u8ba4\u8bc1\u3001\u591a\u4e2a\u9875\u9762\u7684\u771f\u5b9e\u9879\u76ee\u65f6\uff0c\u628a\u6240\u6709\u4ee3\u7801\u585e\u8fdb\u4e00\u4e2a <code>app.py<\/code> \u6587\u4ef6\u4f1a\u5bfc\u81f4\u4ee3\u7801\u6781\u5176\u81c3\u80bf\u4e14\u96be\u4ee5\u7ef4\u62a4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cFlask \u793e\u533a\u6c89\u6dc0\u51fa\u4e86\u4e00\u5957<strong>\u6807\u51c6\u7684\u4e2d\u5927\u578b\u9879\u76ee\u7ed3\u6784<\/strong>\u3002\u8fd9\u5957\u7ed3\u6784\u7684\u6838\u5fc3\u601d\u60f3\u662f\uff1a<strong>\u6a21\u5757\u5316\uff08\u84dd\u56fe\uff09<\/strong> \u548c <strong>\u5e94\u7528\u5de5\u5382\u6a21\u5f0f<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcc2 \u6807\u51c6 Flask \u9879\u76ee\u76ee\u5f55\u7ed3\u6784<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u4e2a\u7ecf\u8fc7\u751f\u4ea7\u73af\u5883\u9a8c\u8bc1\u7684\u3001\u7ed3\u6784\u6e05\u6670\u7684 Flask \u9879\u76ee\u76ee\u5f55\u6811\uff1a<\/p>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><span>2<\/span><span>3<\/span><span>4<\/span><span>5<\/span><span>6<\/span><span>7<\/span><span>8<\/span><span>9<\/span><span>10<\/span><span>11<\/span><span>12<\/span><span>13<\/span><span>14<\/span><span>15<\/span><span>16<\/span><span>17<\/span><span>18<\/span><span>19<\/span><span>20<\/span><span>21<\/span><span>22<\/span><span>23<\/span><span>24<\/span><span>25<\/span><span>26<\/span><span>27<\/span><span>28<\/span><span>29<\/span><span>30<\/span><span>31<\/span><span>32<\/span><span>33<\/span><span>34<\/span><span>35<\/span><span>36<\/span><span>37<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\">my_flask_project\/\n\u2502\n\u251c\u2500\u2500 app\/                        # \ud83d\udcc1 \u6838\u5fc3\u5e94\u7528\u4ee3\u7801\u76ee\u5f55\uff08\u6240\u6709\u4e1a\u52a1\u903b\u8f91\u90fd\u5728\u8fd9\u91cc\uff09\n\u2502   \u251c\u2500\u2500 __init__.py             # \ud83c\udf1f \u5e94\u7528\u5de5\u5382 (create_app)\uff0c\u9879\u76ee\u7684\u7075\u9b42\n\u2502   \u251c\u2500\u2500 extensions.py           # \ud83d\udd0c \u6269\u5c55\u5b9e\u4f8b\u5316 (db, migrate, login_manager \u7b49)\n\u2502   \u251c\u2500\u2500 models.py               # \ud83d\uddc4\ufe0f \u6570\u636e\u5e93\u6a21\u578b (SQLAlchemy Models)\n\u2502   \u2502\n\u2502   \u251c\u2500\u2500 main\/                   # \ud83d\udce6 \u84dd\u56fe\uff1a\u4e3b\u9875\u9762\/\u901a\u7528\u8def\u7531 (\u5982\u9996\u9875\u3001\u5173\u4e8e)\n\u2502   \u2502   \u251c\u2500\u2500 __init__.py         #    \u6ce8\u518c\u84dd\u56fe\n\u2502   \u2502   \u2514\u2500\u2500 routes.py           #    \u5177\u4f53\u7684\u89c6\u56fe\u51fd\u6570\n\u2502   \u2502\n\u2502   \u251c\u2500\u2500 auth\/                   # \ud83d\udce6 \u84dd\u56fe\uff1a\u7528\u6237\u8ba4\u8bc1 (\u767b\u5f55\u3001\u6ce8\u518c\u3001\u767b\u51fa)\n\u2502   \u2502   \u251c\u2500\u2500 __init__.py\n\u2502   \u2502   \u2514\u2500\u2500 routes.py\n\u2502   \u2502\n\u2502   \u251c\u2500\u2500 api\/                    # \ud83d\udce6 \u84dd\u56fe\uff1aRESTful API (\u524d\u540e\u7aef\u5206\u79bb\u63a5\u53e3)\n\u2502   \u2502   \u251c\u2500\u2500 __init__.py\n\u2502   \u2502   \u2514\u2500\u2500 routes.py\n\u2502   \u2502\n\u2502   \u251c\u2500\u2500 templates\/              # \ud83c\udfa8 HTML \u6a21\u677f\u6587\u4ef6 (Jinja2)\n\u2502   \u2502   \u251c\u2500\u2500 base.html           #    \u57fa\u7840\u5e03\u5c40\u6a21\u677f\n\u2502   \u2502   \u251c\u2500\u2500 main\/\n\u2502   \u2502   \u2514\u2500\u2500 auth\/\n\u2502   \u2502\n\u2502   \u2514\u2500\u2500 static\/                 # \ud83d\uddbc\ufe0f \u9759\u6001\u6587\u4ef6 (CSS, JS, \u56fe\u7247, \u5b57\u4f53)\n\u2502       \u251c\u2500\u2500 css\/\n\u2502       \u251c\u2500\u2500 js\/\n\u2502       \u2514\u2500\u2500 images\/\n\u2502\n\u251c\u2500\u2500 migrations\/                 # \ud83d\udd04 \u6570\u636e\u5e93\u8fc1\u79fb\u6587\u4ef6 (\u7531 Flask-Migrate \u751f\u6210)\n\u251c\u2500\u2500 tests\/                      # \ud83e\uddea \u5355\u5143\u6d4b\u8bd5\u548c\u96c6\u6210\u6d4b\u8bd5\u4ee3\u7801\n\u2502\n\u251c\u2500\u2500 config.py                   # \u2699\ufe0f \u914d\u7f6e\u6587\u4ef6 (\u533a\u5206\u5f00\u53d1\u3001\u6d4b\u8bd5\u3001\u751f\u4ea7\u73af\u5883)\n\u251c\u2500\u2500 requirements.txt            # \ud83d\udce6 \u9879\u76ee\u4f9d\u8d56\u5305\u5217\u8868 (pip freeze)\n\u251c\u2500\u2500 .env                        # \ud83d\udd12 \u73af\u5883\u53d8\u91cf (\u5b58\u653e\u5bc6\u94a5\u3001\u6570\u636e\u5e93\u5bc6\u7801\uff0c**\u7edd\u4e0d\u63d0\u4ea4\u5230 Git**)\n\u251c\u2500\u2500 .gitignore                  # \ud83d\udeab Git \u5ffd\u7565\u6587\u4ef6\u914d\u7f6e\n\u2514\u2500\u2500 run.py                      # \ud83d\ude80 \u9879\u76ee\u542f\u52a8\u5165\u53e3\u6587\u4ef6<\/code><\/pre><\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\udde0 \u6838\u5fc3\u673a\u5236\u89e3\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u7406\u89e3\u8fd9\u4e2a\u7ed3\u6784\uff0c\u5fc5\u987b\u638c\u63e1\u4ee5\u4e0b\u4e09\u4e2a\u6838\u5fc3\u6982\u5ff5\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u5e94\u7528\u5de5\u5382\u6a21\u5f0f (<code>app\/__init__.py<\/code>)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u518d\u4f7f\u7528\u5168\u5c40\u7684 <code>app = Flask(__name__)<\/code>\uff0c\u800c\u662f\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u201c\u5236\u9020\u201d\u5e94\u7528\u5b9e\u4f8b\u3002<br><strong>\u597d\u5904<\/strong>\uff1a\u65b9\u4fbf\u521b\u5efa\u591a\u4e2a\u5e94\u7528\u5b9e\u4f8b\uff08\u4f8b\u5982\u5728\u6d4b\u8bd5\u65f6\uff09\uff0c\u907f\u514d\u5faa\u73af\u5bfc\u5165\u95ee\u9898\u3002<\/p>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><span>2<\/span><span>3<\/span><span>4<\/span><span>5<\/span><span>6<\/span><span>7<\/span><span>8<\/span><span>9<\/span><span>10<\/span><span>11<\/span><span>12<\/span><span>13<\/span><span>14<\/span><span>15<\/span><span>16<\/span><span>17<\/span><span>18<\/span><span>19<\/span><span>20<\/span><span>21<\/span><span>22<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\"># app\/__init__.py\nfrom flask import Flask\nfrom config import config_dict\nfrom app.extensions import db, migrate\n\ndef create_app(config_name=&#039;default&#039;):\n    app = Flask(__name__)\n    # \u52a0\u8f7d\u914d\u7f6e\n    app.config.from_object(config_dict[config_name])\n\n    # \u521d\u59cb\u5316\u6269\u5c55 (\u7ed1\u5b9a\u5230 app)\n    db.init_app(app)\n    migrate.init_app(app, db)\n\n    # \u6ce8\u518c\u84dd\u56fe\n    from app.main import main_bp\n    app.register_blueprint(main_bp)\n\n    from app.auth import auth_bp\n    app.register_blueprint(auth_bp, url_prefix=&#039;\/auth&#039;)\n\n    return app<\/code><\/pre><\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u6269\u5c55\u5206\u79bb (<code>app\/extensions.py<\/code>)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u89e3\u51b3 Python \u7684<strong>\u5faa\u73af\u5bfc\u5165<\/strong>\u95ee\u9898\uff08\u4f8b\u5982 <code>models.py<\/code> \u9700\u8981 <code>db<\/code>\uff0c\u800c <code>__init__.py<\/code> \u9700\u8981 <code>models<\/code>\uff09\uff0c\u6211\u4eec\u5c06\u6269\u5c55\u7684\u5b9e\u4f8b\u5316\u5355\u72ec\u62bd\u79bb\u51fa\u6765\u3002<\/p>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><span>2<\/span><span>3<\/span><span>4<\/span><span>5<\/span><span>6<\/span><span>7<\/span><span>8<\/span><span>9<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\"># app\/extensions.py\nfrom flask_sqlalchemy import SQLAlchemy\nfrom flask_migrate import Migrate\nfrom flask_login import LoginManager\n\n# \u5148\u5b9e\u4f8b\u5316\uff0c\u4f46\u4e0d\u7ed1\u5b9a app\ndb = SQLAlchemy()\nmigrate = Migrate()\nlogin_manager = LoginManager()<\/code><\/pre><\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u84dd\u56fe\u62c6\u5206 (<code>app\/main\/<\/code>, <code>app\/auth\/<\/code>)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u84dd\u56fe\uff08Blueprint\uff09\u76f8\u5f53\u4e8e\u5b50\u5e94\u7528\u3002\u6211\u4eec<strong>\u6309\u529f\u80fd\u6a21\u5757<\/strong>\u800c\u4e0d\u662f\u6309\u6587\u4ef6\u7c7b\u578b\u6765\u62c6\u5206\u4ee3\u7801\u3002<br>\u6bcf\u4e2a\u84dd\u56fe\u6587\u4ef6\u5939\u91cc\u90fd\u6709\u4e00\u4e2a <code>__init__.py<\/code> \u7528\u4e8e\u521b\u5efa\u84dd\u56fe\u5bf9\u8c61\uff0c\u548c\u4e00\u4e2a <code>routes.py<\/code> \u7528\u4e8e\u5199\u8def\u7531\u3002<\/p>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><span>2<\/span><span>3<\/span><span>4<\/span><span>5<\/span><span>6<\/span><span>7<\/span><span>8<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\"># app\/auth\/__init__.py\nfrom flask import Blueprint\n\n# \u521b\u5efa\u84dd\u56fe\uff0c&#039;auth&#039; \u662f\u84dd\u56fe\u540d\u79f0\uff0c__name__ \u5e2e\u52a9\u5b9a\u4f4d\u6a21\u677f\nauth_bp = Blueprint(&#039;auth&#039;, __name__, template_folder=&#039;..\/templates\/auth&#039;)\n\n# \u5bfc\u5165\u8def\u7531\uff08\u5fc5\u987b\u5728\u84dd\u56fe\u521b\u5efa\u540e\u5bfc\u5165\uff0c\u907f\u514d\u5faa\u73af\u5f15\u7528\uff09\nfrom app.auth import routes <\/code><\/pre><\/div><\/div>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><span>2<\/span><span>3<\/span><span>4<\/span><span>5<\/span><span>6<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\"># app\/auth\/routes.py\nfrom app.auth import auth_bp\n\n@auth_bp.route(&#039;\/login&#039;)\ndef login():\n    return &#039;Login Page&#039;<\/code><\/pre><\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2699\ufe0f \u914d\u7f6e\u7ba1\u7406 (<code>config.py<\/code>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5f00\u53d1\u73af\u5883\uff08\u672c\u5730 SQLite\uff09\u548c\u751f\u4ea7\u73af\u5883\uff08\u7ebf\u4e0a MySQL\/PostgreSQL\uff09\u7684\u914d\u7f6e\u662f\u4e0d\u540c\u7684\u3002\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u7ba1\u7406\u914d\u7f6e\u975e\u5e38\u4f18\u96c5\uff1a<\/p>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><span>2<\/span><span>3<\/span><span>4<\/span><span>5<\/span><span>6<\/span><span>7<\/span><span>8<\/span><span>9<\/span><span>10<\/span><span>11<\/span><span>12<\/span><span>13<\/span><span>14<\/span><span>15<\/span><span>16<\/span><span>17<\/span><span>18<\/span><span>19<\/span><span>20<\/span><span>21<\/span><span>22<\/span><span>23<\/span><span>24<\/span><span>25<\/span><span>26<\/span><span>27<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\"># config.py\nimport os\nfrom dotenv import load_dotenv\n\n# \u52a0\u8f7d .env \u6587\u4ef6\u4e2d\u7684\u73af\u5883\u53d8\u91cf\nbasedir = os.path.abspath(os.path.dirname(__file__))\nload_dotenv(os.path.join(basedir, &#039;.env&#039;))\n\nclass Config:\n    SECRET_KEY = os.environ.get(&#039;SECRET_KEY&#039;) or &#039;hard-to-guess-string&#039;\n    SQLALCHEMY_TRACK_MODIFICATIONS = False\n\nclass DevelopmentConfig(Config):\n    DEBUG = True\n    SQLALCHEMY_DATABASE_URI = os.environ.get(&#039;DEV_DATABASE_URL&#039;) or \\\n        &#039;sqlite:\/\/\/&#039; + os.path.join(basedir, &#039;dev-data.sqlite&#039;)\n\nclass ProductionConfig(Config):\n    DEBUG = False\n    SQLALCHEMY_DATABASE_URI = os.environ.get(&#039;DATABASE_URL&#039;)\n\n# \u5b57\u5178\u6620\u5c04\uff0c\u65b9\u4fbf\u5728\u5de5\u5382\u6a21\u5f0f\u4e2d\u901a\u8fc7\u5b57\u7b26\u4e32\u9009\u62e9\u914d\u7f6e\nconfig_dict = {\n    &#039;development&#039;: DevelopmentConfig,\n    &#039;production&#039;: ProductionConfig,\n    &#039;default&#039;: DevelopmentConfig\n}<\/code><\/pre><\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\ude80 \u542f\u52a8\u9879\u76ee (<code>run.py<\/code>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u5165\u53e3\u6587\u4ef6\u6765\u542f\u52a8\u8fd9\u4e2a\u5de5\u5382\u5236\u9020\u51fa\u6765\u7684\u5e94\u7528\uff1a<\/p>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><span>2<\/span><span>3<\/span><span>4<\/span><span>5<\/span><span>6<\/span><span>7<\/span><span>8<\/span><span>9<\/span><span>10<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\"># run.py\nimport os\nfrom app import create_app\n\n# \u4ece\u73af\u5883\u53d8\u91cf\u8bfb\u53d6\u914d\u7f6e\uff0c\u9ed8\u8ba4\u4f7f\u7528\u5f00\u53d1\u73af\u5883\nconfig_name = os.getenv(&#039;FLASK_CONFIG&#039;, &#039;development&#039;)\napp = create_app(config_name)\n\nif __name__ == &#039;__main__&#039;:\n    app.run(host=&#039;0.0.0.0&#039;, port=5000)<\/code><\/pre><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<div class=\"chp-code-block chp-theme-github-dark chp-wrap-on\" data-chp-language=\"plaintext\" data-chp-line-start=\"1\" data-chp-highlight=\"\"><div class=\"chp-toolbar\"><div class=\"chp-toolbar-left\"><span class=\"chp-dots\"><span><\/span><span><\/span><span><\/span><\/span><span class=\"chp-language-label\">\u7eaf\u6587\u672c<\/span><\/div><div class=\"chp-toolbar-right\"><button type=\"button\" class=\"chp-copy-btn\" aria-label=\"\u590d\u5236\u4ee3\u7801\"><svg class=\"chp-icon-copy\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/><\/svg><svg class=\"chp-icon-check\" viewBox=\"0 0 24 24\" width=\"14\" height=\"14\" aria-hidden=\"true\" style=\"display:none;\"><path fill=\"currentColor\" d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><span class=\"chp-copy-text\">\u590d\u5236<\/span><\/button><\/div><\/div><div class=\"chp-code-wrapper\"><div class=\"chp-line-numbers\" aria-hidden=\"true\"><span>1<\/span><\/div><pre class=\"chp-pre\" style=\"font-size:14px;\"><code class=\"language-plaintext\">python run.py<\/code><\/pre><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(\u6ce8\uff1a\u5728 Flask 2.2+ \u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u4f7f\u7528 <code>run.py<\/code>\uff0c\u800c\u662f\u901a\u8fc7\u547d\u4ee4\u884c <code>flask --app run run --debug<\/code> \u6765\u542f\u52a8\uff0c\u4f46\u4fdd\u7559 <code>run.py<\/code> \u5bf9\u5f88\u591a\u5f00\u53d1\u8005\u6765\u8bf4\u66f4\u76f4\u89c2\u3002)<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udca1 \u6700\u4f73\u5b9e\u8df5\u5efa\u8bae<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><code>.env<\/code> \u6587\u4ef6\u6781\u5176\u91cd\u8981<\/strong>\uff1a\u6c38\u8fdc\u4e0d\u8981\u628a\u6570\u636e\u5e93\u5bc6\u7801\u3001<code>SECRET_KEY<\/code> \u786c\u7f16\u7801\u5728\u4ee3\u7801\u91cc\u3002\u4f7f\u7528 <code>python-dotenv<\/code> \u5e93\u8bfb\u53d6 <code>.env<\/code> \u6587\u4ef6\uff0c\u5e76\u786e\u4fdd <code>.env<\/code> \u88ab\u52a0\u5165\u4e86 <code>.gitignore<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u6a21\u677f\u548c\u9759\u6001\u6587\u4ef6\u7684\u4f4d\u7f6e<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cFlask \u4f1a\u5728 <code>app\/<\/code> \u76ee\u5f55\u4e0b\u5bfb\u627e <code>templates\/<\/code> \u548c <code>static\/<\/code>\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u84dd\u56fe\u9700\u8981\u72ec\u7acb\u7684\u6a21\u677f\uff0c\u53ef\u4ee5\u5728\u521b\u5efa\u84dd\u56fe\u65f6\u6307\u5b9a\uff1a<code>Blueprint('auth', __name__, template_folder='templates')<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4fdd\u6301 <code>__init__.py<\/code> \u5e72\u51c0<\/strong>\uff1a\u5e94\u7528\u5de5\u5382\u6587\u4ef6\u53ea\u8d1f\u8d23\u201c\u7ec4\u88c5\u201d\uff08\u52a0\u8f7d\u914d\u7f6e\u3001\u521d\u59cb\u5316\u6269\u5c55\u3001\u6ce8\u518c\u84dd\u56fe\uff09\uff0c<strong>\u7edd\u5bf9\u4e0d\u8981<\/strong>\u5728\u91cc\u9762\u5199\u5177\u4f53\u7684\u4e1a\u52a1\u8def\u7531\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u638c\u63e1\u4e86\u8fd9\u4e2a\u7ed3\u6784\uff0c\u4f60\u7684 Flask \u9879\u76ee\u5c31\u5177\u5907\u4e86\u652f\u6491\u4e2d\u5927\u578b\u5546\u4e1a\u5e94\u7528\u7684\u80fd\u529b\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u53ef\u4ee5\u5f00\u59cb\u5f80\u91cc\u9762\u586b\u5145 <strong>\u6570\u636e\u5e93\u6a21\u578b (models.py)<\/strong> \u548c <strong>\u5177\u4f53\u7684\u84dd\u56fe\u8def\u7531<\/strong> \u4e86\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u4f60\u7684 Flask \u5e94\u7528\u4ece\u201cHello World\u201d\u6210\u957f\u4e3a\u4e00&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-163","post","type-post","status-publish","format-standard","hentry","category-flask-"],"_links":{"self":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/comments?post=163"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/163\/revisions"}],"predecessor-version":[{"id":164,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/163\/revisions\/164"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}