var w sync.WaitGroup w.Add(2) go func() { // do something w.Done() } go func() { // do something w.Done() } w.Wait()原文链接:https://www.f2er.com/go/190905.html
var w sync.WaitGroup w.Add(2) go func() { // do something w.Done() } go func() { // do something w.Done() } w.Wait()原文链接:https://www.f2er.com/go/190905.html