\u5bfc\u5e08\u6253\u7b97\u53c2\u52a0\u4e00\u4e2aGrand Challenge\uff0c\u8ba9\u6211\u6765\u5b8c\u6210\u5de5\u7a0b\u5b9e\u73b0\u90e8\u5206\uff0c\u5f00\u53d1\u4e00\u4e2a\u5c0f\u9879\u76ee\uff0c\u60f3\u6765\u60f3\u53bb\u89c9\u5f97\u8fd8\u662f\u7528python\u811a\u672c\u5b9e\u73b0\u6700\u65b9\u4fbf\uff0c\u6240\u4ee5\u6253\u7b97monitor\u754c\u9762\u505a\u6210web\u7aef\u3002\u7531\u4e8e\u9700\u6c42\u4e0d\u662f\u5f3a\u4e1a\u52a1\u9700\u6c42\uff0c\u800c\u4e14\u53ea\u662f\u5c11\u91cf\u6570\u636e\u5b58\u50a8\u548c\u7ef4\u62a4\uff0c\u6240\u4ee5\u5c31\u6253\u7b97\u7528\u8f7b\u91cf\u4e00\u70b9\u7684\u6570\u636e\u5e93sqlite3\u6765\u5b58\u6570\u636e\uff0cweb\u5c31\u7528\u6700\u65b9\u4fbf\u7684flask\u6765\u5b9e\u73b0\u3002\u7531\u4e8e\u4ee5\u524d\u5f00\u53d1\u7f51\u7ad9\u4e60\u60ef\u4e86\u4f7f\u7528ORM\u4e86\uff0c\u6240\u4ee5\u8fd9\u6b21\u4e5f\u6253\u7b97\u76f4\u63a5\u4e0a\u4e2aORM\u6846\u67b6\uff0c\u627e\u6765\u627e\u53bbflask\u4e0b\u597d\u7528\u7684ORM\u6846\u67b6\u5c31\u662fflask-sqlalchemy\u4e86\uff0c\u9009\u62e9\u4e5f\u4e0d\u591a\uff0c\u6240\u4ee5\u8fd8\u662f\u6bd4\u8f83\u65b9\u4fbf\u7684\u3002\u8fd9\u91cc\u8bb0\u5f55\u4e00\u4e0b\u6574\u5408\u7684\u65b9\u6cd5\u548c\u8fc7\u7a0b\uff0c\u65b9\u4fbf\u4ee5\u540e\u67e5\u9605\u3002<\/p>\n
1. flask\u6574\u5408sqlalchemy
\u8fd9\u4e00\u6b65\u8fd8\u662f\u5f88\u65b9\u4fbf\u7684\uff0c\u7531\u4e8eflask\u73b0\u5728\u6709\u4e00\u4e2aflask-sqlalchemy\u9879\u76ee\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5f00\u53d1\u8005\u5728flask\u91cc\u4f7f\u7528sqlalchemy\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u8981\u6309\u7167\u6587\u6863\u8bbe\u7f6e\u5c31\u53ef\u4ee5\u4e86\uff0c\u975e\u5e38\u7b80\u5355\uff1a<\/p>\n
from flask_sqlalchemy import SQLAlchemy\nfrom flask import Flask\n\napp = Flask(__name__)\napp.config['SQLALCHEMY_DATABASE_URI'] = \"sqlite:\/\/\/config.db\"\n#sqlite:\u540e\u9762\u8ddf\u76843\u4e2a\u659c\u6760\u8868\u793a\u76f8\u5bf9\u8def\u5f84\uff0c\u56db\u4e2a\u659c\u6760\u5219\u8868\u793a\u662f\u7edd\u5bf9\u8def\u5f84\uff0c\u8fd9\u4e2a\u533a\u522b\u53ef\u4ee5\u6ce8\u610f\u4e00\u4e0b\napp.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True\napp.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True\ndb = SQLAlchemy(app)<\/pre>\n\n\n\u8fd9\u6837\u5c31\u521d\u59cb\u5316\u597dORM\u4e86\uff0c\u4f46\u662fORM\u4e00\u822c\u9700\u8981\u81ea\u5df1\u5199\u597d\u5bf9\u5e94\u7684\u6620\u5c04\u6a21\u578b\uff0c\u5f53\u7136\u6211\u66f4\u559c\u6b22\u81ea\u52a8\u751f\u6210\uff0c\u53ef\u4ee5\u4f7f\u7528sqlacodegen\u6216\u8005flask\u4e13\u7528\u7684flask-sqlacodegen\u6765\u5b8c\u6210\uff0c\u76f4\u63a5\u7528pip\u5b89\u88c5\u5373\u53ef\uff0c\u7136\u540e\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u5f88\u65b9\u4fbf\u7684\u751f\u6210\u6a21\u578b\uff1a<\/p>\n\n\n
sqlacodegen --flask sqlite:\/\/\/config.db --outfile models.py<\/pre>\n\n\n\u8fd9\u6837\u5c31\u4f1a\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u751f\u6210models.py\u6587\u4ef6\u4e86\uff0c\u4e0d\u8fc7\u7528\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0cmodels.py\u8fd8\u9700\u8981\u8fdb\u884c\u4e00\u5b9a\u4fee\u6539\uff1a
\u9ed8\u8ba4\u60c5\u51b5\uff0cmodels.py\u91cc\u4f1a\u6709\u4e00\u53e5\u521d\u59cb\u5316db\u7684\u8bed\u53e5\uff1a
db = SQLAlchemy()
\u6211\u4eec\u7531\u4e8e\u5728flask\u5e94\u7528\u91cc\u5df2\u7ecf\u521d\u59cb\u5316\u8fc7db\u4e86\uff0c\u6240\u4ee5\u8fd9\u91cc\u8981\u76f4\u63a5Import\u8fdb\u6765\uff0c\u628a\u8fd9\u53e5\u8bdd\u6539\u6210\uff1a
from \u9879\u76ee\u4e3b\u7a0b\u5e8f import db
\u7136\u540e\u5c31\u53ef\u4ee5\u5728\u4e3b\u7a0b\u5e8f\u91ccimport models\u7136\u540e\u4f7f\u7528\u4e86\u3002
\u5f53\u7136\uff0csqlacodegen\u9ed8\u8ba4\u4e0d\u751f\u6210init\u65b9\u6cd5\u548crepr\u65b9\u6cd5\uff0c\u6240\u4ee5\u53ef\u4ee5\u81ea\u5df1\u76f8\u5e94\u52a0\u4e0a\uff0c\u65b9\u4fbf\u6a21\u578b\u7684\u4f7f\u7528\u3002<\/p>\n\n\n\n\u603b\u4f53\u800c\u8a00\uff0c\u5728\u5c1d\u8bd5\u8fc7node.js,Java\u548cpython\u4e4b\u540e\uff0cflask\u662f\u8fd9\u4e09\u79cd\u91cc\u9762\u5f00\u53d1\u901f\u5ea6\u6700\u5feb\u7684\uff0c\u4e5f\u662f\u4ee3\u7801\u91cf\u6700\u5c11\u7684\uff0c\u5f53\u7136\u7a33\u5b9a\u6027\u4e48\u5c31\u4e0d\u597d\u8bf4\u4e86\uff0c\u4f46\u662f\u5bf9\u4e8e\u5927\u591a\u6570\u5185\u90e8\u9879\u76ee\u800c\u8a00\uff0c\u7528flask\u662f\u5feb\u901f\u5f00\u53d1\u7684\u4e0d\u4e8c\u4e4b\u9009\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5bfc\u5e08\u6253\u7b97\u53c2\u52a0\u4e00\u4e2aGrand Challenge\uff0c\u8ba9\u6211\u6765\u5b8c\u6210\u5de5\u7a0b\u5b9e\u73b0\u90e8\u5206\uff0c\u5f00\u53d1\u4e00\u4e2a\u5c0f\u9879\u76ee\uff0c\u60f3\u6765\u60f3\u53bb\u89c9\u5f97\u8fd8\u662f\u7528py […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[88,89,91,90,57],"class_list":["post-414","post","type-post","status-publish","format-standard","hentry","category-web","tag-flask","tag-orm","tag-sqlalchemy","tag-sqlite","tag-web"],"_links":{"self":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts\/414","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=414"}],"version-history":[{"count":12,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts\/414\/revisions"}],"predecessor-version":[{"id":1247,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts\/414\/revisions\/1247"}],"wp:attachment":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}