{"id":6394,"date":"2021-04-23T22:15:00","date_gmt":"2021-04-23T14:15:00","guid":{"rendered":"https:\/\/vip.fxxkpython.com\/?p=6394"},"modified":"2021-04-24T22:16:35","modified_gmt":"2021-04-24T14:16:35","slug":"%e4%bd%bf%e7%94%a8-python-%e4%bb%8e-0-%e5%bc%80%e5%8f%91%e5%b1%9e%e4%ba%8e%e4%bd%a0%e7%9a%84%e4%b8%aa%e4%ba%ba%e7%ae%a1%e7%90%86%e7%b3%bb%e7%bb%9f-08-%e7%af%87-%ef%bd%9c-%e5%a6%82%e4%bd%95%e4%bd%bf","status":"publish","type":"post","link":"https:\/\/vip.fxxkpython.com\/?p=6394","title":{"rendered":"\u4f7f\u7528 Python \u4ece 0 \u5f00\u53d1\u5c5e\u4e8e\u4f60\u7684\u4e2a\u4eba\u7ba1\u7406\u7cfb\u7edf 08 \u7bc7 \uff5c \u5982\u4f55\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\u6e32\u67d3\u6570\u636e\uff08\u4e0a\uff09"},"content":{"rendered":"\n

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\u4eca\u5929\uff0c\u4e3b\u8981\u7ed9\u4f60\u4ecb\u7ecd\u4e00\u4e0b\uff0cFlask \u4e2d\u7684 Jinja2 \u6a21\u677f\u5f15\u64ce\u7684\u4f7f\u7528\uff0c\u4ee5\u53ca\u90a3\u4e9b\u5e38\u7528\u5230\u7684\u6a21\u677f\u8bed\u8a00\u3002<\/p>\n\n\n\n

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\nfrom flask import Flask\nfrom flask_sqlalchemy import SQLAlchemy\nimport config\n\napp = Flask(__name__)\n# \u4f7f\u7528\u914d\u7f6e\napp.config.from_object(config)\n\n# \u5b9e\u4f8b\u5316\u6570\u636e\u5e93\u5bf9\u8c61\ndb = SQLAlchemy(app)\n\n# \u6570\u636e\u6a21\u578b\nclass Fitness(db.Model):\n    __tablename__ = 'fitness'\n\n    id = db.Column(db.Integer, primary_key=True)\n    sport_name = db.Column(db.String(100))\n    calorie = db.Column(db.Float)\n\n<\/pre><\/div>\n\n\n\n
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\"\"<\/figure><\/div>\n\n\n\n
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\n@app.route('\/')\ndef index():\n    fitness = Fitness.query.get(2)\n    return fitness.sport_name\n\n<\/pre><\/div>\n\n\n\n
\u8fd9\u6837\u4f60\u8bbf\u95ee\u9996\u9875\u7684\u65f6\u5019\u53ef\u4ee5\u5f97\u5230\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
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\u6a21\u677f\u53d8\u91cf\u53c2\u6570\u7684\u4f7f\u7528<\/h2>\n\n\n\n
\u8fdb\u5165 templates \u76ee\u5f55\uff0c\u521b\u5efa\u4e00\u4e2a index.html \u6a21\u677f\u6587\u4ef6:<\/p>\n\n\n\n
\n<html>\n\n        <head>\n                <title>{{name}}\u5065\u8eab\u8bb0\u5f55<\/title>\n        <\/head>\n\n        <body>\n            \u8fd0\u52a8\u540d\u79f0\uff1a {{sport_name}} \uff0c\u6d88\u8017\u7684\u5361\u8def\u91cc\uff1a{{cal}}\n        <\/body>\n\n<\/html>\n\n\n<\/pre><\/div>\n\n\n\n
\u6211\u4eec\u5728\u8fd9\u91cc\u5206\u522b\u5b9a\u4e49\u4e86\u4e09\u4e2a\u53d8\u91cf\uff0cname\uff0csport_name\uff0ccal
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\"\"<\/figure><\/div>\n\n\n\n
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