@app.route('\/api\/data')<\/p>\ndef get_data():<\/p>\n
data = {<\/p>\n
'users': [<\/p>\n
{'name': 'Alice', 'age': 30},<\/p>\n
{'name': 'Bob', 'age': 25}<\/p>\n
]<\/p>\n
}<\/p>\n
return jsonify(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u524d\u7aef\uff0c\u5904\u7406\u590d\u6742\u7684JSON\u54cd\u5e94\u5e76\u5c06\u5176\u663e\u793a\u5728HTML\u9875\u9762\u4e0a\uff1a<\/p>\n<\/p>\n
<body><\/p>\n <ul id="user-list"><\/ul><\/p>\n
<script><\/p>\n
fetch('\/api\/data')<\/p>\n
.then(response => response.json())<\/p>\n
.then(data => {<\/p>\n
const userList = document.getElementById('user-list');<\/p>\n
data.users.forEach(user => {<\/p>\n
const listItem = document.createElement('li');<\/p>\n
listItem.textContent = `${user.name}, Age: ${user.age}`;<\/p>\n
userList.appendChild(listItem);<\/p>\n
});<\/p>\n
})<\/p>\n
.catch(error => console.error('Error fetching data:', error));<\/p>\n
<\/script><\/p>\n
<\/body><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u5728\u524d\u7aef\u52a8\u6001\u5730\u663e\u793a\u540e\u7aef\u63d0\u4f9b\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\n\u4e09\u3001\u4f7f\u7528WEBSOCKET\u5b9e\u73b0\u5b9e\u65f6\u901a\u4fe1<\/p>\n<\/p>\n
WebSocket\u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u5b9e\u65f6\u901a\u4fe1\u3002\u5728\u67d0\u4e9b\u5e94\u7528\u4e2d\uff0c\u5982\u804a\u5929\u5e94\u7528\u3001\u5b9e\u65f6\u66f4\u65b0\u7b49\uff0cWebSocket\u662f\u7406\u60f3\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n
\n- \u5b89\u88c5Flask-SocketIO<\/strong><\/li>\n<\/ol>\n
\u4e3a\u4e86\u5728Flask\u4e2d\u4f7f\u7528WebSocket\uff0c\u9700\u8981\u5b89\u88c5Flask-SocketIO\u5e93\uff1a<\/p>\n<\/p>\n
pip install Flask-SocketIO<\/p>\n<\/code><\/pre>\n<\/p>\n
\n- \u8bbe\u7f6eWebSocket\u670d\u52a1\u5668<\/strong><\/li>\n<\/ol>\n
\u5728app.py<\/code>\u4e2d\uff0c\u5bfc\u5165\u5e76\u914d\u7f6eFlask-SocketIO\uff1a<\/p>\n<\/p>\nfrom flask_socketio import SocketIO, emit<\/p>\napp = Flask(__name__)<\/p>\n
socketio = SocketIO(app)<\/p>\n
@app.route('\/')<\/p>\n
def index():<\/p>\n
return render_template('index.html')<\/p>\n
@socketio.on('connect')<\/p>\n
def handle_connect():<\/p>\n
print('Client connected')<\/p>\n
@socketio.on('disconnect')<\/p>\n
def handle_disconnect():<\/p>\n
print('Client disconnected')<\/p>\n
if __name__ == '__main__':<\/p>\n
socketio.run(app, debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6b64\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684WebSocket\u670d\u52a1\u5668\uff0c\u80fd\u591f\u5904\u7406\u8fde\u63a5\u548c\u65ad\u5f00\u4e8b\u4ef6\u3002<\/p>\n<\/p>\n
\n- \u524d\u7aef\u4f7f\u7528WebSocket<\/strong><\/li>\n<\/ol>\n
\u5728index.html<\/code>\u4e2d\uff0c\u4f7f\u7528JavaScript\u8fde\u63a5\u5230WebSocket\u670d\u52a1\u5668\uff1a<\/p>\n<\/p>\n<body><\/p>\n <h1>WebSocket Example<\/h1><\/p>\n
<script src="https:\/\/cdn.socket.io\/4.0.0\/socket.io.min.js"><\/script><\/p>\n
<script><\/p>\n
const socket = io();<\/p>\n
socket.on('connect', () => {<\/p>\n
console.log('Connected to WebSocket server');<\/p>\n
});<\/p>\n
socket.on('disconnect', () => {<\/p>\n
console.log('Disconnected from WebSocket server');<\/p>\n
});<\/p>\n
<\/script><\/p>\n
<\/body><\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f<\/strong><\/li>\n<\/ol>\n
\u53ef\u4ee5\u901a\u8fc7WebSocket\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002\u4fee\u6539app.py<\/code>\u6dfb\u52a0\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u5668\uff1a<\/p>\n<\/p>\n@socketio.on('message')<\/p>\ndef handle_message(data):<\/p>\n
print('Received message:', data)<\/p>\n
emit('response', {'message': 'Message received'})<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u524d\u7aef\uff0c\u53d1\u9001\u6d88\u606f\u5e76\u5904\u7406\u54cd\u5e94\uff1a<\/p>\n<\/p>\n
<script><\/p>\n socket.emit('message', 'Hello, WebSocket server!');<\/p>\n
socket.on('response', (data) => {<\/p>\n
console.log('Received response:', data.message);<\/p>\n
});<\/p>\n
<\/script><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528WebSocket\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u901a\u4fe1\uff0c\u8fd9\u5728\u9700\u8981\u5373\u65f6\u66f4\u65b0\u7684\u5e94\u7528\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
\n\u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0cHTML\u548cPython\u53ef\u4ee5\u5b9e\u73b0\u7d27\u5bc6\u7684\u8fde\u63a5\u548c\u4ea4\u4e92\u3002\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528Flask Web\u6846\u67b6\u3001API\u63a5\u53e3\u6216WebSocket\u6280\u672f\u6765\u5b9e\u73b0\u524d\u540e\u7aef\u7684\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684Web\u5e94\u7528\u8fd8\u662f\u590d\u6742\u7684\u5b9e\u65f6\u7cfb\u7edf\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u7684\u67b6\u6784\u8bbe\u8ba1\u548c\u6280\u672f\u9009\u578b\u6765\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u524d\u540e\u7aef\u4ea4\u4e92\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u5982\u4f55\u4f7f\u7528Python\u4e0eHTML\u8fdb\u884c\u4ea4\u4e92\uff1f<\/strong>
Python\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u4e0eHTML\u8fdb\u884c\u4ea4\u4e92\uff0c\u6700\u5e38\u89c1\u7684\u662f\u4f7f\u7528Web\u6846\u67b6\u5982Flask\u6216Django\u3002\u8fd9\u4e9b\u6846\u67b6\u5141\u8bb8\u5f00\u53d1\u8005\u521b\u5efa\u52a8\u6001\u7f51\u9875\uff0c\u5904\u7406\u7528\u6237\u8f93\u5165\uff0c\u5e76\u5728HTML\u9875\u9762\u4e2d\u5448\u73b0\u6570\u636e\u3002\u4f7f\u7528Flask\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8def\u7531\u548c\u6a21\u677f\u5f15\u64ce\u8f7b\u677e\u5730\u5c06Python\u4ee3\u7801\u4e0eHTML\u7ed3\u5408\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u663e\u793a\u548c\u64cd\u4f5c\u3002<\/p>\n\u5728HTML\u4e2d\u5982\u4f55\u663e\u793aPython\u751f\u6210\u7684\u6570\u636e\uff1f<\/strong>
\u8981\u5728HTML\u4e2d\u663e\u793aPython\u751f\u6210\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\uff0c\u5982Jinja2\uff08Flask\u7684\u9ed8\u8ba4\u6a21\u677f\u5f15\u64ce\uff09\u3002\u60a8\u53ef\u4ee5\u5728Python\u4ee3\u7801\u4e2d\u51c6\u5907\u6570\u636e\uff0c\u5e76\u5c06\u5176\u4f20\u9012\u7ed9HTML\u6a21\u677f\u3002\u5728\u6a21\u677f\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7279\u5b9a\u7684\u8bed\u6cd5\u63d2\u5165\u8fd9\u4e9b\u6570\u636e\uff0c\u4f8b\u5982\u4f7f\u7528{{ variable_name }}<\/code>\u6765\u663e\u793a\u53d8\u91cf\u7684\u503c\u3002<\/p>\nPython\u811a\u672c\u5982\u4f55\u5904\u7406HTML\u8868\u5355\u6570\u636e\uff1f<\/strong>
Python\u53ef\u4ee5\u901a\u8fc7Web\u6846\u67b6\u5904\u7406HTML\u8868\u5355\u6570\u636e\u3002\u5f53\u7528\u6237\u63d0\u4ea4\u8868\u5355\u65f6\uff0c\u6570\u636e\u4f1a\u901a\u8fc7HTTP\u8bf7\u6c42\u53d1\u9001\u5230\u670d\u52a1\u5668\u3002\u4f7f\u7528Flask\u6216Django\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u8bbf\u95ee\u8fd9\u4e9b\u6570\u636e\u5e76\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002\u4f8b\u5982\uff0c\u5728Flask\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528request.form<\/code>\u6765\u83b7\u53d6\u8868\u5355\u5b57\u6bb5\u7684\u503c\uff0c\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u5904\u7406\u6216\u4fdd\u5b58\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"HTML\u548cPython\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fde\u63a5\uff0c\u5305\u62ec\u4f7f\u7528Web\u6846\u67b6\u3001API\u63a5\u53e3\u3001WebSocket\u6280\u672f\u7b49\u3002\u6700\u5e38\u7528\u7684 […]","protected":false},"author":3,"featured_media":987745,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/987742"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=987742"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/987742\/revisions"}],"predecessor-version":[{"id":987747,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/987742\/revisions\/987747"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/987745"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=987742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=987742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=987742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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<\/p>\n