循环购与共享购模式：刺激复购，提高裂变效应

sql复制代码CREATE TABLE Users (      UserID INT PRIMARY KEY AUTO_INCREMENT,      UserName VARCHAR(255) NOT NULL,      EnergyValue INT DEFAULT 0,      ContributionValue INT DEFAULT 0,      SharedValue INT DEFAULT 0,      SharedPoints INT DEFAULT 0  );    CREATE TABLE Orders (      OrderID INT PRIMARY KEY AUTO_INCREMENT,      UserID INT,      OrderAmount DECIMAL(10, 2),      OrderTime TIMESTAMP DEFAULT CURRENT_TIMESTAMP,      FOREIGN KEY (UserID) REFERENCES Users(UserID)  );

python复制代码# 示例使用Flask框架  from flask import Flask, request, jsonify  from flask_sqlalchemy import SQLAlchemy    app = Flask(__name__)  app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///your_database.db'  db = SQLAlchemy(app)    class User(db.Model):      id = db.Column(db.Integer, primary_key=True)      username = db.Column(db.String(255), nullable=False)      energy_value = db.Column(db.Integer, default=0)      contribution_value = db.Column(db.Integer, default=0)      shared_value = db.Column(db.Integer, default=0)      shared_points = db.Column(db.Integer, default=0)    # 用户注册  @app.route('/register', methods=['POST'])  def register():      data = request.get_json()      new_user = User(username=data['username'])      db.session.add(new_user)      db.session.commit()      return jsonify({'message': 'User registered successfully!'})    # 用户登录  @app.route('/login', methods=['POST'])  def login():      data = request.get_json()      user = User.query.filter_by(username=data['username']).first()      if user:          # 这里应该添加密码验证，为了简化省略          return jsonify({'message': 'User logged in successfully!', 'user_id': user.id})      else:          return jsonify({'message': 'User not found!'}), 404

python复制代码# 订单处理  @app.route('/order', methods=['POST'])  def order():      data = request.get_json()      user_id = data['user_id']      order_amount = data['order_amount']            # 假设能量值返还是订单金额的2倍，贡献值是订单金额的10%，共享值是订单金额的10%的10倍      energy_value_reward = int(order_amount * 2)      contribution_value_reward = int(order_amount * 0.1)      shared_value_reward = int(order_amount * 0.1 * 10)            user = User.query.get(user_id)      user.energy_value += energy_value_reward      user.contribution_value += contribution_value_reward      user.shared_value += shared_value_reward            # 创建订单记录      new_order = Orders(UserID=user_id, OrderAmount=order_amount)      db.session.add(new_order)      db.session.commit()            return jsonify({'message': 'Order processed successfully!'})

python复制代码# 静态释放（简化示例，实际应定期运行）  def static_release():      total_contribution = User.query.sum(User.contribution_value)      for user in User.query.all():          user_share = (user.contribution_value / total_contribution) * total_funds_pool  # 假设total_funds_pool是全局变量或数据库字段          user.shared_points += int(user_share)  # 转换为共享积分          # 更新数据库    # 动态释放（根据股权等级）  def dynamic_release():      # 根据股权等级计算分红，这里简化处理      for user in User.query.filter_by(equity_level=1).all():  # 假设equity_level是用户模型的一个字段          # 计算分红并更新共享积分          pass

python复制代码# 积分销售（简化示例）  @app.route('/sell_points', methods=['POST'])  def sell_points():      data = request.get_json()      user_id = data['user_id']      points_to_sell = data['points_to_sell']            user = User.query.get(user_id)      if user.shared_points >= points_to_sell:          user.shared_points -= points_to_sell          # 计算销售金额并更新用户余额（这里省略了支付处理）          return jsonify({'message': 'Points sold successfully!'})      else:          return jsonify({'message': 'Insufficient points!'}), 400    # C2C交易服务费（简化示例）  @app.route('/c2c_transaction', methods=['POST'])  def c2c_transaction():      data = request.get_json()      # 处理C2C交易并计算服务费      # 这里省略了交易细节和支付处理      return jsonify({'message': 'C2C transaction completed!'})