25 lines
502 B
Go
25 lines
502 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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ch := make(chan string) // 无缓冲 channel
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go func() {
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fmt.Println("[Sender] 准备发送数据...")
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ch <- "hello from goroutine" // 这里会阻塞，直到有人接收
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fmt.Println("[Sender] 数据发送完毕")
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}()
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time.Sleep(1 * time.Second)
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fmt.Println("[Main] 1 秒后开始接收数据...")
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msg := <-ch // 接收数据，同时解除发送方阻塞
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fmt.Println("[Main] 收到:", msg)
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fmt.Println("[Main] 程序结束")
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}
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