30 lines
422 B
Go
30 lines
422 B
Go
package main
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import (
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"fmt"
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"time"
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)
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func main() {
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fmt.Println("等待 1 秒...")
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timer := time.NewTimer(1 * time.Second)
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defer timer.Stop()
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<-timer.C
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fmt.Println("Timer 触发")
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// 超时控制
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done := make(chan bool)
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go func() {
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time.Sleep(2 * time.Second)
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done <- true
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}()
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select {
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case <-done:
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fmt.Println("任务完成")
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case <-time.After(1 * time.Second):
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fmt.Println("任务超时")
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}
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}
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