一站式网上办事大厅

from flask import Flask, render_template, request, redirect, session

app = Flask(__name__)

app.secret_key = "secret"

# 模拟数据库

users = {

'admin': {'password': '123456', 'role': 'admin'},

'student1': {'password': 'abcdef', 'role': 'student'}

}

@app.route('/')

def index():

if 'username' in session:

return f"欢迎 {session['username']}! 你的角色是 {session['role']}"

return "请先登录。"

@app.route('/login', methods=['GET', 'POST'])

def login():

if request.method == 'POST':

username = request.form['username']

password = request.form['password']

if username in users and users[username]['password'] == password:

session['username'] = username

session['role'] = users[username]['role']

return redirect('/')

else:

return "用户名或密码错误，请重试。"

return render_template('login.html')

@app.route('/logout')

def logout():

session.pop('username', None)

return redirect('/')

if __name__ == '__main__':

app.run(debug=True)

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