Function NewSlidingWindowLimiter

server/ratelimit/limiter.go:160–171

NewSlidingWindowLimiter 创建滑动窗口限流器

(limit int, windowDuration time.Duration)

// NewSlidingWindowLimiter 创建滑动窗口限流器
func NewSlidingWindowLimiter(limit int, windowDuration time.Duration) *SlidingWindowLimiter {
	limiter := &SlidingWindowLimiter{
		windows: make(map[string]*window),
		limit:   limit,
		window:  windowDuration,
	}

	// 启动清理 goroutine
	go limiter.cleanup()

	return limiter
}

// Allow 检查是否允许请求
func (l *SlidingWindowLimiter) Allow(key string) bool {