{"id":45336,"date":"2024-10-06T22:09:34","date_gmt":"2024-10-06T14:09:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45336\/"},"modified":"2024-10-06T22:09:34","modified_gmt":"2024-10-06T14:09:34","slug":"%e9%a8%b0%e8%a8%8a%e9%9b%b2-centos-7-%e4%bc%ba%e6%9c%8d%e5%99%a8%e9%83%a8%e7%bd%b2-flask-%e9%a0%85%e7%9b%ae%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45336\/","title":{"rendered":"\u9a30\u8a0a\u96f2 CentOS 7 \u4f3a\u670d\u5668\u90e8\u7f72 Flask \u9805\u76ee\u8a73\u89e3"},"content":{"rendered":"

\u9a30\u8a0a\u96f2 CentOS 7 \u4f3a\u670d\u5668\u90e8\u7f72 Flask \u9805\u76ee\u8a73\u89e3<\/h1>\n

Flask \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684 Python \u7db2\u9801\u6846\u67b6\uff0c\u56e0\u5176\u7c21\u55ae\u6613\u7528\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u6b61\u8fce\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u9a30\u8a0a\u96f2\u7684 CentOS 7 \u4f3a\u670d\u5668\u4e0a\u90e8\u7f72\u4e00\u500b Flask \u9805\u76ee\u3002\u9019\u500b\u904e\u7a0b\u5c07\u6db5\u84cb\u5f9e\u74b0\u5883\u8a2d\u7f6e\u5230\u61c9\u7528\u7a0b\u5e8f\u904b\u884c\u7684\u6bcf\u4e00\u500b\u6b65\u9a5f\u3002<\/p>\n

\u74b0\u5883\u6e96\u5099<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684 CentOS 7 \u4f3a\u670d\u5668\u5df2\u7d93\u8a2d\u7f6e\u597d\u4e26\u4e14\u53ef\u4ee5\u8a2a\u554f\u3002\u60a8\u53ef\u4ee5\u901a\u904e SSH \u767b\u9304\u5230\u60a8\u7684\u4f3a\u670d\u5668\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

ssh username@your_server_ip<\/code><\/pre>\n
\u63a5\u4e0b\u4f86\uff0c\u66f4\u65b0\u60a8\u7684\u7cfb\u7d71\u4ee5\u78ba\u4fdd\u6240\u6709\u7684\u5305\u90fd\u662f\u6700\u65b0\u7684\uff1a<\/p>\n
sudo yum update -y<\/code><\/pre>\n
\u5b89\u88dd Python \u548c pip<\/h2>\n
Flask \u662f\u57fa\u65bc Python \u7684\uff0c\u56e0\u6b64\u60a8\u9700\u8981\u5b89\u88dd Python \u548c pip\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd Python 3 \u548c pip\uff1a<\/p>\n
sudo yum install python3 -y<\/code><\/pre>\n
sudo yum install python3-pip -y<\/code><\/pre>\n
\u5275\u5efa\u865b\u64ec\u74b0\u5883<\/h2>\n
\u70ba\u4e86\u4fdd\u6301\u9805\u76ee\u7684\u6574\u6f54\uff0c\u5efa\u8b70\u4f7f\u7528\u865b\u64ec\u74b0\u5883\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u865b\u64ec\u74b0\u5883\uff1a<\/p>\n
python3 -m venv myenv<\/code><\/pre>\n
\u6fc0\u6d3b\u865b\u64ec\u74b0\u5883\uff1a<\/p>\n
source myenv\/bin\/activate<\/code><\/pre>\n
\u5b89\u88dd Flask<\/h2>\n
\u5728\u865b\u64ec\u74b0\u5883\u4e2d\uff0c\u4f7f\u7528 pip \u5b89\u88dd Flask\uff1a<\/p>\n
pip install Flask<\/code><\/pre>\n
\u5275\u5efa Flask \u61c9\u7528<\/h2>\n
\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684 Flask \u61c9\u7528\u3002\u4f7f\u7528\u60a8\u559c\u6b61\u7684\u7de8\u8f2f\u5668\u5275\u5efa\u4e00\u500b\u540d\u70ba app.py<\/code> \u7684\u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n
from flask import Flask\n\napp = Flask(__name__)\n\n@app.route('\/')\ndef hello():\n    return \"Hello, World!\"\n\nif __name__ == '__main__':\n    app.run(host='0.0.0.0', port=5000)<\/code><\/pre>\n
\u904b\u884c Flask \u61c9\u7528<\/h2>\n
\u5728\u865b\u64ec\u74b0\u5883\u4e2d\u904b\u884c Flask \u61c9\u7528\uff1a<\/p>\n
python app.py<\/code><\/pre>\n
\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u6703\u770b\u5230\u985e\u4f3c\u65bc\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n
* Running on http:\/\/0.0.0.0:5000\/<\/code><\/pre>\n
\u914d\u7f6e\u9632\u706b\u7246<\/h2>\n
\u70ba\u4e86\u8b93\u5916\u90e8\u8a2a\u554f\u60a8\u7684 Flask \u61c9\u7528\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u9632\u706b\u7246\u4ee5\u5141\u8a31 5000 \u7aef\u53e3\u7684\u6d41\u91cf\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u958b\u653e\u7aef\u53e3\uff1a<\/p>\n
sudo firewall-cmd --zone=public --add-port=5000\/tcp --permanent<\/code><\/pre>\n
sudo firewall-cmd --reload<\/code><\/pre>\n
\u4f7f\u7528 Gunicorn \u90e8\u7f72 Flask \u61c9\u7528<\/h2>\n
\u70ba\u4e86\u5728\u751f\u7522\u74b0\u5883\u4e2d\u904b\u884c Flask \u61c9\u7528\uff0c\u5efa\u8b70\u4f7f\u7528 WSGI \u4f3a\u670d\u5668\u5982 Gunicorn\u3002\u9996\u5148\uff0c\u5b89\u88dd Gunicorn\uff1a<\/p>\n
pip install gunicorn<\/code><\/pre>\n
\u7136\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 Gunicorn \u4f3a\u670d\u5668\uff1a<\/p>\n
gunicorn -w 4 -b 0.0.0.0:5000 app:app<\/code><\/pre>\n
\u9019\u88e1\u7684 -w 4<\/code> \u8868\u793a\u4f7f\u7528 4 \u500b\u5de5\u4f5c\u9032\u7a0b\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u9019\u500b\u6578\u5b57\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u8a73\u7d30\u4ecb\u7d39\u4e86\u5982\u4f55\u5728\u9a30\u8a0a\u96f2\u7684 CentOS 7 \u4f3a\u670d\u5668\u4e0a\u90e8\u7f72 Flask \u9805\u76ee\u3002\u5f9e\u74b0\u5883\u8a2d\u7f6e\u5230\u61c9\u7528\u904b\u884c\uff0c\u6bcf\u4e00\u6b65\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728\u9a30\u8a0a\u96f2\u7684 CentOS 7 \u4f3a\u670d\u5668\u4e0a\u90e8\u7f72 Flask \u9805\u76ee\uff0c\u6b65\u9a5f\u8a73\u89e3\uff0c\u52a9\u4f60\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-45336","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=45336"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45336\/revisions"}],"predecessor-version":[{"id":45337,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45336\/revisions\/45337"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}