API/common/limiter/lua/rate_limit.lua
chenpei 08dd1c7f75 初始提交:添加充值记录和发票管理功能
功能特性:
- 用户端充值记录页面,从使用日志中分离
- 充值记录中的去开发票功能
- 管理员发票管理页面
- 发票申请、处理、邮件通知功能
- 侧边栏菜单更新
- UI优化和控制台清理
- Docker部署配置
- 生产环境安全配置
2025-09-04 18:07:16 +08:00

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-- 令牌桶限流器
-- KEYS[1]: 限流器唯一标识
-- ARGV[1]: 请求令牌数 (通常为1)
-- ARGV[2]: 令牌生成速率 (每秒)
-- ARGV[3]: 桶容量
local key = KEYS[1]
local requested = tonumber(ARGV[1])
local rate = tonumber(ARGV[2])
local capacity = tonumber(ARGV[3])
-- 获取当前时间(Redis服务器时间)
local now = redis.call('TIME')
local nowInSeconds = tonumber(now[1])
-- 获取桶状态
local bucket = redis.call('HMGET', key, 'tokens', 'last_time')
local tokens = tonumber(bucket[1])
local last_time = tonumber(bucket[2])
-- 初始化桶(首次请求或过期)
if not tokens or not last_time then
tokens = capacity
last_time = nowInSeconds
else
-- 计算新增令牌
local elapsed = nowInSeconds - last_time
local add_tokens = elapsed * rate
tokens = math.min(capacity, tokens + add_tokens)
last_time = nowInSeconds
end
-- 判断是否允许请求
local allowed = false
if tokens >= requested then
tokens = tokens - requested
allowed = true
end
---- 更新桶状态并设置过期时间
redis.call('HMSET', key, 'tokens', tokens, 'last_time', last_time)
--redis.call('EXPIRE', key, math.ceil(capacity / rate) + 60) -- 适当延长过期时间
return allowed and 1 or 0