plaintextCopy code
[error] Could not execute the Redis command line utility redis-server.exe: 
             The system cannot find the file specified.

import redis
# 連接Redis服務(wù)
redis_host = 'localhost'
redis_port = 6379
redis_db = 0
redis_client = redis.Redis(host=redis_host, port=redis_port, db=redis_db)
# 設(shè)置數(shù)據(jù)
key = 'user:1'
value = {
    'name': 'Alice',
    'age': 25,
    'email': 'alice@example.com'
}
redis_client.hmset(key, value)
# 從緩存中讀取數(shù)據(jù)
data = redis_client.hgetall(key)
# 打印數(shù)據(jù)
print(data)

import redis
from flask import Flask, request, session, redirect, url_for
app = Flask(__name__)
app.secret_key = 'your_secret_key'
# 連接到Redis服務(wù)器
redis_host = 'localhost'
redis_port = 6379
redis_db = 0
redis_client = redis.Redis(host=redis_host, port=redis_port, db=redis_db)
@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        username = request.form['username']
        password = request.form['password']
        # 驗(yàn)證用戶名和密碼，假設(shè)驗(yàn)證成功
        if username == 'admin' and password == 'password':
            # 設(shè)置用戶會話
            session['logged_in'] = True
            session['username'] = username
            # 保存用戶會話到Redis中
            redis_key = f"user:{session['username']}"
            redis_client.hmset(redis_key, {'logged_in': True})
            return redirect(url_for('home'))
        else:
            return 'Invalid username or password'
    return '''
        <form method="post">
            <p><input type="text" name="username" placeholder="Username"></p>
            <p><input type="password" name="password" placeholder="Password"></p>
            <p><input type="submit" value="Log In"></p>
        </form>
    '''
@app.route('/home')
def home():
    # 檢查用戶會話是否存在并已登錄
    if 'logged_in' in session and session['logged_in']:
        return f"Welcome, {session['username']}!"
    else:
        return redirect(url_for('login'))
@app.route('/logout')
def logout():
    # 檢查用戶會話是否存在并已登錄
    if 'logged_in' in session and session['logged_in']:
        # 從Redis中清除用戶會話
        redis_key = f"user:{session['username']}"
        redis_client.hmset(redis_key, {'logged_in': False})
        # 清除用戶會話數(shù)據(jù)
        session.pop('logged_in', None)
        session.pop('username', None)
        return redirect(url_for('login'))
    else:
        return redirect(url_for('login'))
if __name__ == '__main__':
    app.run()