{"id":49510,"date":"2024-12-03T08:19:42","date_gmt":"2024-12-03T00:19:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/49510\/"},"modified":"2024-12-03T08:19:42","modified_gmt":"2024-12-03T00:19:42","slug":"python-data-star-%e7%9a%84%e6%96%b0%e6%80%9d%e7%bb%b4%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/49510\/","title":{"rendered":"python + data-star \u7684\u65b0\u601d\u7ef4\u65b9\u5f0f"},"content":{"rendered":"

<\/b> <\/p>\n

python + data-star \u7684\u65b0\u601d\u7ef4\u65b9\u5f0f<\/h1>\n

\u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300apython + data-star \u7684\u65b0\u601d\u7ef4\u65b9\u5f0f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

\"python<\/p>\n

python \u4e2d https:\/\/data-star.dev \u7684\u4f5c\u7528\u7684\u5c0f\u4f8b\u5b50\u3002 <\/p>\n

python \u4e2d\u7684\u5b9e\u65f6\u65f6\u949f\u793a\u4f8b\uff1a<\/p>\n

from flask import Flask, Response\nimport time\n\napp = Flask(__name__)\n\ndef get_time():\n    return '<div id=\"time\">{}<\/div>'.format(time.strftime('%H:%M:%S'))\n\n@app.route('\/')\ndef index():\n    return \"\"\"\n    <!DOCTYPE html>\n    <html>\n        <head>\n            <script type=\"module\" defer src=\"https:\/\/cdn.jsdelivr.net\/npm\/@sudodevnull\/datastar\"><\/script>\n        <\/head>\n        <body>\n            <div data-on-load=\"$$get('\/events')\">\n               <h1>Clock<\/h1>\n                {}    \n            <\/div>\n        <\/body>\n    <\/html>\n    \"\"\".format(get_time())\n\n@app.route('\/events')\ndef events():\n    def generate():\n        while True:\n            yield 'event: datastar-fragment\\n'\n            yield 'data:  fragment {}\\n\\n'.format(get_time())\n            time.sleep(1)\n\n    return Response(generate(), content_type='text\/event-stream')\n\nif __name__ == '__main__':\n    app.run(debug=True)\n<\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u300apython + data-star \u7684\u65b0\u601d\u7ef4\u65b9\u5f0f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"
python + data-star \u7684\u65b0\u601d\u7ef4\u65b9\u5f0f \u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300apython + data-star \u7684\u65b0\u601d\u7ef4\u65b9\u5f0f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 python \u4e2d https:\/\/data-star.dev \u7684\u4f5c\u7528\u7684\u5c0f\u4f8b\u5b50\u3002 python \u4e2d\u7684\u5b9e\u65f6\u65f6\u949f\u793a\u4f8b\uff1a from flask import Flask, Response import time app = Flask(__name__) def get_time(): return ‘<div id=”time”>{}<\/div>’.format(time.strftime(‘%H:%M:%S’)) @app.route(‘\/’) def index(): return “”” <!DOCTYPE html> <html> <head> <script type=”module” defer src=”https:\/\/cdn.jsdelivr.net\/npm\/@sudodevnull\/datastar”><\/script> <\/head> <body> <div data-on-load=”$$get(‘\/events’)”> <h1>Clock<\/h1> {} <\/div> <\/body> <\/html> “””.format(get_time()) @app.route(‘\/events’) def events(): […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-49510","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/49510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=49510"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/49510\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=49510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=49510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=49510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}