框架初始化

mitao

2024-05-16 4965b67d9e2a8e99894bd40aff7c88d695ec4040

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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);
}