Go by Example ไธญๆ็: ้้้ๆฉๅจ
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Go ็ ้ๆฉๅจ๏ผselect๏ผ ่ฎฉไฝ ๅฏไปฅๅๆถ็ญๅพ ๅคไธช้้ๆไฝใ ๅฐๅ็จใ้้ๅ้ๆฉๅจ็ปๅ๏ผๆฏ Go ็ไธไธชๅผบๅคง็นๆงใ |
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package main |
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import ( "fmt" "time" ) |
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func main() { |
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ๅจ่ฟไธชไพๅญไธญ๏ผๆไปฌๅฐไปไธคไธช้้ไธญ้ๆฉใ |
c1 := make(chan string) c2 := make(chan string) |
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ๅไธช้้ๅฐๅจไธๅฎๆถ้ดๅๆฅๆถไธไธชๅผ๏ผ ้่ฟ่ฟ็งๆนๅผๆฅๆจกๆๅนถ่ก็ๅ็จๆง่ก๏ผไพๅฆ๏ผRPC ๆไฝ๏ผๆถ้ ๆ็้ปๅก๏ผ่ๆถ๏ผใ |
go func() { time.Sleep(1 * time.Second) c1 <- "one" }() go func() { time.Sleep(2 * time.Second) c2 <- "two" }() |
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ๆไปฌไฝฟ็จ |
for i := 0; i < 2; i++ { select { case msg1 := <-c1: fmt.Println("received", msg1) case msg2 := <-c2: fmt.Println("received", msg2) } } } |
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่ท้ขๆ็ไธๆ ท๏ผๆไปฌ้ฆๅ
ๆฅๆถๅฐๅผ |
$ time go run select.go received one received two |
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ๆณจๆ๏ผ็จๅบๆปๅ
ฑไป
่ฟ่กไบไธค็งๅทฆๅณใๅ ไธบ 1 ็ง ๅ 2 ็ง็ |
real 0m2.245s
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ไธไธไธชไพๅญ: ่ถ ๆถๅค็