from werkzeug.security import generate_password_hash, check_password_hash<\/p>\n@app.route('\/register', methods=['POST'])<\/p>\n
def register():<\/p>\n
username = request.form['username']<\/p>\n
password = request.form['password']<\/p>\n
conn = get_db_connection()<\/p>\n
c = conn.cursor()<\/p>\n
c.execute('SELECT * FROM users WHERE username = ?', (username,))<\/p>\n
if c.fetchone() is not None:<\/p>\n
return jsonify({'error': 'User already exists'}), 400<\/p>\n
hashed_password = generate_password_hash(password)<\/p>\n
c.execute('INSERT INTO users (username, password) VALUES (?, ?)', (username, hashed_password))<\/p>\n
conn.commit()<\/p>\n
conn.close()<\/p>\n
return jsonify({'message': 'User registered successfully'}), 201<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7528\u6237\u767b\u5f55<\/h3>\n<\/p>\n
\u7528\u6237\u767b\u5f55\u529f\u80fd\u9700\u8981\u9a8c\u8bc1\u7528\u6237\u540d\u548c\u5bc6\u7801\uff1a<\/p>\n<\/p>\n
@app.route('\/login', methods=['POST'])<\/p>\ndef login():<\/p>\n
username = request.form['username']<\/p>\n
password = request.form['password']<\/p>\n
conn = get_db_connection()<\/p>\n
c = conn.cursor()<\/p>\n
c.execute('SELECT * FROM users WHERE username = ?', (username,))<\/p>\n
user = c.fetchone()<\/p>\n
if user is None or not check_password_hash(user['password'], password):<\/p>\n
return jsonify({'error': 'Invalid username or password'}), 401<\/p>\n
return jsonify({'message': 'User logged in successfully', 'user_id': user['id']}), 200<\/p>\n
<\/code><\/pre>\n<\/p>\n
3. \u5145\u503c\u529f\u80fd<\/h2>\n<\/p>\n
\u5145\u503c\u529f\u80fd\u9700\u8981\u63a5\u6536\u7528\u6237ID\u548c\u5145\u503c\u91d1\u989d\uff0c\u5e76\u66f4\u65b0\u7528\u6237\u4f59\u989d\u548c\u5145\u503c\u8bb0\u5f55\uff1a<\/p>\n<\/p>\n
@app.route('\/recharge', methods=['POST'])<\/p>\ndef recharge():<\/p>\n
user_id = request.form['user_id']<\/p>\n
amount = float(request.form['amount'])<\/p>\n
conn = get_db_connection()<\/p>\n
c = conn.cursor()<\/p>\n
c.execute('SELECT * FROM users WHERE id = ?', (user_id,))<\/p>\n
user = c.fetchone()<\/p>\n
if user is None:<\/p>\n
return jsonify({'error': 'User not found'}), 404<\/p>\n
new_balance = user['balance'] + amount<\/p>\n
c.execute('UPDATE users SET balance = ? WHERE id = ?', (new_balance, user_id))<\/p>\n
c.execute('INSERT INTO transactions (user_id, amount) VALUES (?, ?)', (user_id, amount))<\/p>\n
conn.commit()<\/p>\n
conn.close()<\/p>\n
return jsonify({'message': 'Recharge successful', 'new_balance': new_balance}), 200<\/p>\n
<\/code><\/pre>\n<\/p>\n
4. \u67e5\u8be2\u4f59\u989d\u548c\u5145\u503c\u8bb0\u5f55<\/h2>\n<\/p>\n
\u67e5\u8be2\u4f59\u989d<\/h3>\n<\/p>\n
\u7528\u6237\u53ef\u4ee5\u67e5\u8be2\u81ea\u5df1\u7684\u4f59\u989d\uff1a<\/p>\n<\/p>\n
@app.route('\/balance', methods=['GET'])<\/p>\ndef balance():<\/p>\n
user_id = request.args.get('user_id')<\/p>\n
conn = get_db_connection()<\/p>\n
c = conn.cursor()<\/p>\n
c.execute('SELECT balance FROM users WHERE id = ?', (user_id,))<\/p>\n
user = c.fetchone()<\/p>\n
if user is None:<\/p>\n
return jsonify({'error': 'User not found'}), 404<\/p>\n
return jsonify({'balance': user['balance']}), 200<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u67e5\u8be2\u5145\u503c\u8bb0\u5f55<\/h3>\n<\/p>\n
\u7528\u6237\u53ef\u4ee5\u67e5\u8be2\u81ea\u5df1\u7684\u5145\u503c\u8bb0\u5f55\uff1a<\/p>\n<\/p>\n
@app.route('\/transactions', methods=['GET'])<\/p>\ndef transactions():<\/p>\n
user_id = request.args.get('user_id')<\/p>\n
conn = get_db_connection()<\/p>\n
c = conn.cursor()<\/p>\n
c.execute('SELECT * FROM transactions WHERE user_id = ? ORDER BY timestamp DESC', (user_id,))<\/p>\n
transactions = c.fetchall()<\/p>\n
return jsonify([dict(tx) for tx in transactions]), 200<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5f00\u53d1\u524d\u7aef<\/strong><\/h2>\n1. \u8bbe\u8ba1\u767b\u5f55\u548c\u6ce8\u518c\u9875\u9762<\/h2>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528HTML\/CSS\u6765\u8bbe\u8ba1\u7528\u6237\u767b\u5f55\u548c\u6ce8\u518c\u9875\u9762\uff1a<\/p>\n<\/p>\n
<!DOCTYPE html><\/p>\n<html><\/p>\n
<head><\/p>\n
<title>Canteen Recharge System<\/title><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
<h1>Canteen Recharge System<\/h1><\/p>\n
<h2>Register<\/h2><\/p>\n
<form action="\/register" method="post"><\/p>\n
<label for="username">Username:<\/label><\/p>\n
<input type="text" id="username" name="username" required><\/p>\n
<label for="password">Password:<\/label><\/p>\n
<input type="password" id="password" name="password" required><\/p>\n
<button type="submit">Register<\/button><\/p>\n
<\/form><\/p>\n
<h2>Login<\/h2><\/p>\n
<form action="\/login" method="post"><\/p>\n
<label for="username">Username:<\/label><\/p>\n
<input type="text" id="username" name="username" required><\/p>\n
<label for="password">Password:<\/label><\/p>\n
<input type="password" id="password" name="password" required><\/p>\n
<button type="submit">Login<\/button><\/p>\n
<\/form><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u8bbe\u8ba1\u5145\u503c\u9875\u9762<\/h2>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528HTML\/CSS\u6765\u8bbe\u8ba1\u7528\u6237\u5145\u503c\u9875\u9762\uff1a<\/p>\n<\/p>\n
<!DOCTYPE html><\/p>\n<html><\/p>\n
<head><\/p>\n
<title>Canteen Recharge System<\/title><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
<h1>Canteen Recharge System<\/h1><\/p>\n
<h2>Recharge<\/h2><\/p>\n
<form action="\/recharge" method="post"><\/p>\n
<label for="user_id">User ID:<\/label><\/p>\n
<input type="text" id="user_id" name="user_id" required><\/p>\n
<label for="amount">Amount:<\/label><\/p>\n
<input type="number" id="amount" name="amount" required><\/p>\n
<button type="submit">Recharge<\/button><\/p>\n
<\/form><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
3. \u8bbe\u8ba1\u67e5\u8be2\u9875\u9762<\/h2>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528HTML\/CSS\u6765\u8bbe\u8ba1\u67e5\u8be2\u4f59\u989d\u548c\u5145\u503c\u8bb0\u5f55\u7684\u9875\u9762\uff1a<\/p>\n<\/p>\n
<!DOCTYPE html><\/p>\n<html><\/p>\n
<head><\/p>\n
<title>Canteen Recharge System<\/title><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
<h1>Canteen Recharge System<\/h1><\/p>\n
<h2>Balance<\/h2><\/p>\n
<form action="\/balance" method="get"><\/p>\n
<label for="user_id">User ID:<\/label><\/p>\n
<input type="text" id="user_id" name="user_id" required><\/p>\n
<button type="submit">Check Balance<\/button><\/p>\n
<\/form><\/p>\n
<h2>Transactions<\/h2><\/p>\n
<form action="\/transactions" method="get"><\/p>\n
<label for="user_id">User ID:<\/label><\/p>\n
<input type="text" id="user_id" name="user_id" required><\/p>\n
<button type="submit">Check Transactions<\/button><\/p>\n
<\/form><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u6d4b\u8bd5\u548c\u90e8\u7f72<\/strong><\/h2>\n1. \u6d4b\u8bd5<\/h2>\n<\/p>\n
\u5728\u672c\u5730\u8fd0\u884cFlask\u5e94\u7528\uff0c\u5e76\u4f7f\u7528\u6d4f\u89c8\u5668\u6d4b\u8bd5\u5404\u4e2a\u529f\u80fd\uff1a<\/p>\n<\/p>\n
python app.py<\/p>\n<\/code><\/pre>\n<\/p>\n
\u8bbf\u95eehttp:\/\/127.0.0.1:5000\/<\/code>\uff0c\u6d4b\u8bd5\u6ce8\u518c\u3001\u767b\u5f55\u3001\u5145\u503c\u548c\u67e5\u8be2\u529f\u80fd\u3002<\/p>\n<\/p>\n2. \u90e8\u7f72<\/h2>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528Gunicorn\u548cNginx\u6765\u90e8\u7f72Flask\u5e94\u7528\u5230\u751f\u4ea7\u73af\u5883\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u90e8\u7f72\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n
\u5b89\u88c5Gunicorn<\/h3>\n<\/p>\n
pip install gunicorn<\/p>\n<\/code><\/pre>\n<\/p>\n
\u8fd0\u884cGunicorn<\/h3>\n<\/p>\n
gunicorn -w 4 -b 0.0.0.0:8000 app:app<\/p>\n<\/code><\/pre>\n<\/p>\n
\u914d\u7f6eNginx<\/h3>\n<\/p>\n
\u5728Nginx\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
server {<\/p>\n listen 80;<\/p>\n
server_name your_domain.com;<\/p>\n
location \/ {<\/p>\n
proxy_pass http:\/\/127.0.0.1:8000;<\/p>\n
proxy_set_header Host $host;<\/p>\n
proxy_set_header X-Real-IP $remote_addr;<\/p>\n
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;<\/p>\n
proxy_set_header X-Forwarded-Proto $scheme;<\/p>\n
}<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u91cd\u542fNginx\uff1a<\/p>\n<\/p>\n
sudo systemctl restart nginx<\/p>\n<\/code><\/pre>\n<\/p>\n
\u73b0\u5728\uff0c\u4f60\u7684\u996d\u5802\u5145\u503c\u7cfb\u7edf\u5df2\u7ecf\u6210\u529f\u90e8\u7f72\u5230\u751f\u4ea7\u73af\u5883\uff0c\u53ef\u4ee5\u901a\u8fc7\u57df\u540d\u8bbf\u95ee\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/strong><\/h2>\n\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u8be6\u7ec6\u8bb2\u89e3\u4e86\u5982\u4f55\u4f7f\u7528Python\u5f00\u53d1\u4e00\u4e2a\u996d\u5802\u5145\u503c\u7cfb\u7edf\u3002\u6211\u4eec\u4f7f\u7528Flask\u4f5c\u4e3aWeb\u6846\u67b6\uff0cSQLite\u4f5c\u4e3a\u6570\u636e\u5e93\uff0cHTML\/CSS\/JavaScript\u4f5c\u4e3a\u524d\u7aef\u5f00\u53d1\u5de5\u5177\uff0c\u5e76\u4e14\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u7528\u6237\u6ce8\u518c\u3001\u767b\u5f55\u3001\u5145\u503c\u3001\u67e5\u8be2\u4f59\u989d\u548c\u5145\u503c\u8bb0\u5f55\u7b49\u529f\u80fd\u7684\u5b9e\u73b0\u3002\u6700\u540e\uff0c\u6211\u4eec\u8fd8\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728\u672c\u5730\u6d4b\u8bd5\u548c\u90e8\u7f72\u8be5\u7cfb\u7edf\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u5728\u5f00\u53d1\u996d\u5802\u5145\u503c\u7cfb\u7edf\u65f6\uff0c\u6211\u5e94\u8be5\u9009\u62e9\u54ea\u79cd\u6570\u636e\u5e93\uff1f<\/strong>
\u5728\u9009\u62e9\u6570\u636e\u5e93\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5982MySQL\u6216PostgreSQL\uff0c\u8fd9\u4e9b\u6570\u636e\u5e93\u652f\u6301\u590d\u6742\u67e5\u8be2\u548c\u4e8b\u52a1\u5904\u7406\uff0c\u975e\u5e38\u9002\u5408\u7ba1\u7406\u7528\u6237\u4fe1\u606f\u548c\u5145\u503c\u8bb0\u5f55\u3002\u6b64\u5916\uff0cNoSQL\u6570\u636e\u5e93\u5982MongoDB\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u4e0d\u89c4\u5219\u6570\u636e\uff0c\u9009\u62e9\u65f6\u5e94\u6839\u636e\u9879\u76ee\u9700\u6c42\u548c\u56e2\u961f\u7684\u6280\u672f\u6808\u6765\u51b3\u5b9a\u3002<\/p>\n\u5982\u4f55\u5904\u7406\u7528\u6237\u5145\u503c\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\u95ee\u9898\uff1f<\/strong>
\u786e\u4fdd\u7528\u6237\u6570\u636e\u548c\u4ea4\u6613\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u53ef\u4ee5\u91c7\u7528HTTPS\u534f\u8bae\u6765\u52a0\u5bc6\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4f7f\u7528\u7b2c\u4e09\u65b9\u652f\u4ed8\u5e73\u53f0\uff08\u5982\u652f\u4ed8\u5b9d\u3001\u5fae\u4fe1\u652f\u4ed8\u7b49\uff09\u6765\u5904\u7406\u652f\u4ed8\u73af\u8282\u3002\u540c\u65f6\uff0c\u5efa\u8bae\u5728\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u5b89\u5168\u8ba4\u8bc1\u673a\u5236\uff0c\u6bd4\u5982\u4f7f\u7528JWT\uff08JSON Web Tokens\uff09\u6765\u9a8c\u8bc1\u7528\u6237\u8eab\u4efd\uff0c\u4ee5\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u3002<\/p>\n\u5982\u4f55\u8bbe\u8ba1\u7528\u6237\u754c\u9762\u4ee5\u63d0\u9ad8\u5145\u503c\u4f53\u9a8c\uff1f<\/strong>
\u8bbe\u8ba1\u65f6\u5e94\u6ce8\u91cd\u7b80\u6d01\u548c\u76f4\u89c2\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u6d41\u884c\u7684\u524d\u7aef\u6846\u67b6\u5982React\u6216Vue.js\u6765\u6784\u5efa\u7528\u6237\u754c\u9762\u3002\u786e\u4fdd\u5145\u503c\u6d41\u7a0b\u7684\u6b65\u9aa4\u6e05\u6670\uff0c\u5e76\u63d0\u4f9b\u5b9e\u65f6\u53cd\u9988\uff0c\u4f8b\u5982\u5145\u503c\u6210\u529f\u63d0\u793a\u6216\u9519\u8bef\u4fe1\u606f\u3002\u6b64\u5916\uff0c\u52a0\u5165\u591a\u79cd\u652f\u4ed8\u65b9\u5f0f\u548c\u5145\u503c\u91d1\u989d\u9009\u9879\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7528\u6237\u7684\u4fbf\u5229\u6027\u548c\u9009\u62e9\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u4f7f\u7528Python\u5f00\u53d1\u996d\u5802\u5145\u503c\u7cfb\u7edf\uff0c\u53ef\u4ee5\u4f7f\u7528Flask\u6216Django\u8fd9\u6837\u7684Web\u6846\u67b6\u3001\u4f7f\u7528SQLite\u6216MyS […]","protected":false},"author":3,"featured_media":1177249,"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\/1177239"}],"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=1177239"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1177239\/revisions"}],"predecessor-version":[{"id":1177252,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1177239\/revisions\/1177252"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1177249"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1177239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1177239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1177239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\u5982\u4f55\u7528python\u5f00\u53d1\u996d\u5802\u5145\u503c\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25112208\/b48301c2-625b-4e42-adbd-7f4db1915d95.webp\")
<\/p>\n