{"id":2152,"date":"2021-08-03T20:23:14","date_gmt":"2021-08-03T12:23:14","guid":{"rendered":"https:\/\/egonlin.com\/?p=2152"},"modified":"2022-02-07T12:10:21","modified_gmt":"2022-02-07T04:10:21","slug":"flask_%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=2152","title":{"rendered":"Flask_\u811a\u672c"},"content":{"rendered":"

Flask_\u811a\u672c<\/h1>\n

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

1 \u96c6\u6210Python shell<\/h1>\n

\u5728\u6211\u4eec\u5b9e\u9645\u7684\u5f00\u53d1\u4e2d\uff0c\u4e0d\u514d\u6709\u4e00\u4e9b\u4efb\u52a1\u9700\u8981\u5728shell<\/code>\u4e0b\u5b8c\u6210\u3002\u6bd4\u5982\u4e3acms<\/code>\u540e\u53f0\u6dfb\u52a0\u8d85\u7ea7\u7ba1\u7406\u5458\u7684\u9700\u6c42\uff0c\u53c8\u6bd4\u5982\u8fc1\u79fb\u6570\u636e\u5e93\u7684\u9700\u6c42\uff0c\u5b9a\u65f6\u4efb\u52a1\u7b49\u7b49\uff0c\u8bf8\u5982\u8fd9\u7c7b\u9700\u6c42\u66f4\u9002\u5408\u5728shell\u4e2d\u53bb\u64cd\u4f5c\uff08\u5927\u90e8\u5206\u9700\u8981\u5728shell\u4e2d\u53bb\u64cd\u4f5c\u7684\u90fd\u662f\u6743\u9650\u6bd4\u8f83\u9ad8\u7684\u4efb\u52a1\uff09\u3002<\/p>\n

\"\"<\/div>
\n\u63d0\u793a\uff1a\u8fc1\u79fb\u6570\u636e\u5e93\u5c31\u662f\u7528\u6765\u89e3\u51b3\u6570\u636e\u5e93\u66f4\u65b0\u95ee\u9898\uff0c\u89e3\u51b3\u4e4b\u524d\u6211\u4eec\u5b66\u7684db.create_all()<\/code>\u548cdb.drop_all()<\/code>\u66f4\u65b0\u6570\u636e\u5e93\u7684\u65f6\u5019\u4e22\u5931\u6570\u636e\u7684\u95ee\u9898\u3002<\/em><\/p>\n

flask\u5b98\u65b9\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6269\u5c55\u7ec4\u4ef6flask-script<\/code>\u53ef\u4ee5\u5b9e\u73b0\u5728shell<\/code>\u4e0b\u64cd\u4f5c\u6211\u4eec\u7684Flask<\/code>\u9879\u76ee\u3002<\/p>\n

1.1 flask-script\u7684\u7528\u6cd5\uff1a<\/h2>\n

1 \u7531\u4e8eflask-script<\/code>\u662fFlask\u7684\u4e00\u4e2a\u6269\u5c55\u7ec4\u4ef6\uff0c\u540c\u5f80\u5e38\u4e00\u6837\u9996\u5148\u5728\u865a\u62df\u73af\u5883\u4e2d\u5b89\u88c5\u6211\u4eec\u7684flask_script<\/code>\u5305\u3002<\/p>\n

pip install flask-script    <\/code><\/pre>\n
1.1.1 \u5b9e\u4f8b\uff1aflask-script\u7684\u7b80\u5355\u5b9e\u73b0<\/strong><\/h3>\n
\u63d0\u793a\uff1a\u5b9e\u4f8b\u4e0b\u9762\u6709\u8bb2\u89e3<\/em><\/p>\n
\u9879\u76ee\u76ee\u5f55<\/p>\n
\u2502  manage.py\n\u2502  server.py\n\u2502\n\u251c\u2500static  # \u6587\u4ef6\u5939\n\u251c\u2500templates # \u6587\u4ef6\u5939<\/code><\/pre>\n
server.py<\/p>\n
from flask import Flask\n\napp = Flask(__name__)\n\n@app.route('\/')\ndef hello_world():\n    return 'Hello World!'\n\nif __name__ == '__main__':\n    app.run()\n<\/code><\/pre>\n
manage.py<\/p>\n
from flask_script import Manager\nfrom server import app\n\nmanager = Manager(app)\n\n@manager.command\ndef hello():\n    print('hello world')\n\nif __name__ == '__main__':\n    manager.run()\n<\/code><\/pre>\n
\u89e3\u8bfb\uff1amanage.py<\/strong><\/p>\n
\uff081\uff09<\/strong> \u4eceflask_script<\/code>\u6a21\u5757\u4e2d\u5bfc\u5165flask_script<\/code>\u7684\u6838\u5fc3\u7c7bManager<\/code><\/p>\n
from flask_script import Manager <\/code><\/pre>\n
\uff082\uff09<\/strong> \u4eceserver.py<\/code>\u6a21\u5757\u4e2d\u628aapp<\/code>\u5bf9\u8c61\u5bfc\u5165<\/p>\n
from server import app<\/code><\/pre>\n
\uff083\uff09<\/strong> \u4eceManager()<\/code>\u7c7b\u4f20\u5165app<\/code>\u5bf9\u8c61\u5b9e\u4f8b\u5316\u51famanager<\/code>\u5bf9\u8c61\uff0cmanager<\/code>\u5bf9\u8c61\u7528\u4e8e\u4ee5\u540e\u6240\u6709\u6dfb\u52a0\u547d\u4ee4\u76f8\u5173\u64cd\u4f5c<\/p>\n
manager = Manager(app)<\/code><\/pre>\n
\uff084\uff09<\/strong>\u5229\u7528@manager.command<\/code>\u88c5\u9970\u5668\u6dfb\u52a0\u4ee5\u88ab\u88c5\u9970\u51fd\u6570\u7684\u540d\u5b57\u547d\u540d\u7684\u4e00\u6761\u547d\u4ee4<\/code>\u4e0e\u88ab\u88c5\u9970\u51fd\u6570\u7684\u6620\u5c04<\/code><\/p>\n
@manager.command   # \u76f8\u5f53\u4e8e\u6dfb\u52a0\u4e86\u4e00\u6761hello\u547d\u4ee4\uff0c\u53ef\u4ee5\u8c03\u7528\u5230hello\u51fd\u6570\ndef hello():\n    print('hello world')<\/code><\/pre>\n
\uff085\uff09<\/strong>manager<\/code>\u8c03\u7528run<\/code>\u65b9\u6cd5\u4e4b\u524d\u5b9a\u4e49\u7684\u547d\u4ee4\u624d\u4f1a\u751f\u6548<\/p>\n
if __name__ == '__main__':\n    manager.run()<\/code><\/pre>\n
\u5728shell<\/code>\u4e0b\u64cd\u4f5c\u547d\u4ee4<\/strong><\/p>\n
\u5728shell<\/code>\u4e2d\u5207\u5165\u5230\u8be5manage.py<\/code>\u7684\u76ee\u5f55\u4e0b\uff0c\u5e76\u4e14\u8fdb\u5165\u865a\u62df\u73af\u5883\u3002\u8f93\u5165\u547d\u4ee4python manage.py hello<\/code><\/p>\n
>>python manage.py hello<\/code><\/pre>\n
\u547d\u4ee4\u4e2d\u7684hello<\/code>\u662f@manager.command<\/code>\u88c5\u9970\u5668\u88c5\u9970\u7684\u51fd\u6570\u540d<\/p>\n
\u6267\u884c\u547d\u4ee4\u540e\u4f1a\u8c03\u7528hello<\/code>\u51fd\u6570<\/p>\n
\u5982\u56fe\u6240\u793a\u5b9e\u73b0\u4e86\u8c03\u7528hello<\/code>\u51fd\u6570<\/p>\n
\"\"<\/div><\/p>\n
\"\"<\/div><\/p>\n
1.1.1\u547d\u4ee4\u6dfb\u52a0\u65b9\u5f0f\uff1a<\/h3>\n
\u7b2c\u4e00\u79cd\uff08\u65e0\u53c2\u547d\u4ee4\uff09\uff1a<\/h4>\n
\u4f7f\u7528manager.commad<\/code>\u65b9\u5f0f\u6dfb\u52a0\u547d\u4ee4\uff1a<\/p>\n
...\n@manager.command\ndef demo():\n    print('\u65e0\u53c2\u547d\u4ee4')\n...<\/code><\/pre>\n
\u5207\u5165\u5230manage.py\u6240\u5728\u7684\u76ee\u5f55\u4e2d\uff0c\u5207\u5165\u5230\u865a\u62df\u73af\u5883\uff0c\u6267\u884c\u5982\u4e0b\u547d\u4ee4<\/p>\n
>>python manage.py demo<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u7b2c\u4e8c\u79cd\uff08\u6709\u53c2\u547d\u4ee4\uff09:<\/h4>\n
\u4f7f\u7528manager.option('-\u7b80\u5199\u7684\u547d\u4ee4'\uff0c\u2018--\u5168\u5199\u7684\u547d\u4ee4\u2019\uff0cdest=\u2018\u4f20\u7ed9\u51fd\u6570\u7684\u5f62\u53c2\u2019)<\/code>\u6dfb\u52a0\u547d\u4ee4\uff1a<\/p>\n
...\n@manager.option("-u","--username",dest="username")\n@manager.option("-p","--password",dest="password")\ndef login(username, password):\n    print("\u7528\u6237\u540d:{}  \u5bc6\u7801: {}".format(username,password))\n...<\/code><\/pre>\n
\u5207\u5165\u5230manage.py\u6240\u5728\u7684\u76ee\u5f55\u4e2d\uff0c\u5207\u5165\u5230\u865a\u62df\u73af\u5883\uff0c\u6267\u884c\u5982\u4e0b\u547d\u4ee4.<\/p>\n
>>python manage.py login -u mark -p 123<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u7b2c\u4e09\u79cd\uff08\u5b50\u547d\u4ee4\uff09\uff1a<\/h4>\n
\u6bd4\u5982\u4e00\u4e2a\u529f\u80fd\u5bf9\u5e94\u7740\u5f88\u591a\u4e2a\u547d\u4ee4\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c31\u53ef\u4ee5\u7528\u5b50\u547d\u4ee4\u6765\u5b9e\u73b0\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u547d\u4ee4\u7684\u6620\u5c04\u5355\u72ec\u653e\u5230\u4e00\u4e2a\u6587\u4ef6\u65b9\u4fbf\u7ba1\u7406\u3002\u5728\u8fd9\u4e2a\u653e\u7740\u5f88\u591a\u547d\u4ee4\u6620\u5c04\u7684\u6587\u4ef6\u4e2d\u5b9e\u4f8b\u5316Manager\u7c7b\u51fa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\uff0c\u5e76\u5728manage.py<\/code>\u6587\u4ef6\u4e2d\u901a\u8fc7manager.add_command("\u5b50\u547d\u4ee4",Manager\u5bf9\u8c61)<\/code>\u6765\u6dfb\u52a0\u5b50\u547d\u4ee4<\/p>\n
\"\"<\/div><\/p>\n
\u5b9e\u4f8b\uff1a<\/strong><\/p>\n
\u5728\u4e4b\u524d\u76841.1.1\u5b9e\u4f8b\u7684\u9879\u76ee\u76ee\u5f55\u4e2d\u65b0\u5efa\u6587\u4ef6db_script.py<\/code><\/p>
<\/div>
\u67e5\u770b\u66f4\u591a<\/h2>
\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>
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Register<\/a><\/div>
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<\/div>","protected":false},"excerpt":{"rendered":"
Flask_\u811a\u672c 1 \u96c6\u6210Python shell \u5728\u6211\u4eec\u5b9e\u9645\u7684\u5f00\u53d1\u4e2d\uff0c\u4e0d\u514d\u6709\u4e00\u4e9b\u4efb\u52a1\u9700\u8981\u5728shell\u4e0b\u5b8c\u6210\u3002 […]<\/p>\n","protected":false},"author":3,"featured_media":2589,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[270],"tags":[273],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2152"}],"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=2152"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2152\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2589"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}