35 lines
535 B
Go
35 lines
535 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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ch1 := make(chan string)
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ch2 := make(chan string)
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// 模拟两个不同来源的“数据源”
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go func() {
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time.Sleep(1 * time.Second)
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ch1 <- "result from ch1 (1s)"
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}()
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go func() {
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time.Sleep(2 * time.Second)
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ch2 <- "result from ch2 (2s)"
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}()
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fmt.Println("等待 ch1 或 ch2 的结果...（谁先来处理谁）")
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select {
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case v := <-ch1:
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fmt.Println("收到 ch1:", v)
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case v := <-ch2:
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fmt.Println("收到 ch2:", v)
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}
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fmt.Println("main 结束")
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}
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