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Golangsync.WaitGroup并发任务同步技巧

WaitGroup通过计数器协调并发任务，Add在启动前增加计数，Done在协程结束时减1，Wait阻塞主协程直至计数归零，需避免在goroutine中调用Add或重复使用未重置的WaitGroup，结合context可实现超时控制，确保程序健壮性。在Go语言中，sync.WaitGroup 是处…

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2025年12月15日
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Golangsync.WaitGroup并发任务同步技巧