mitao
2024-05-17 f43fabf28a60decea2630ce90c9726bf057bf35d
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package com.ruoyi.seatademo.service;
 
public interface AccountService
{
    /**
     * 账户扣减
     * @param userId 用户 ID
     * @param price 扣减金额
     */
    void reduceBalance(Long userId, Double price);
}