一站式网上办事大厅

        from flask import Flask, request, jsonify
        from werkzeug.security import check_password_hash

        app = Flask(__name__)

        @app.route('/login', methods=['POST'])
        def login():
            username = request.json['username']
            password = request.json['password']
            user = authenticate(username, password)
            if user:
                token = generate_token(user)
                return jsonify({'token': token}), 200
            else:
                return jsonify({'error': 'Invalid credentials'}), 401

        def authenticate(username, password):
            # 假设这里从数据库中验证用户名和密码
            return True if username == 'admin' and check_password_hash('hashed_password', password) else False

        def generate_token(user):
            # JWT生成逻辑
            pass

        if __name__ == '__main__':
            app.run(debug=True)