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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ### 單向channel 只接收或者只發送數據 ``` var ch1 chan int //ch1 為雙向通道 var ch2 chan<- int //ch2為一個只能接收的單向通道 var <- chan int //為一個只能發送的單向通道 // "chan<-" 表示數據進入通道,"<-chan" 表示數據從通道中出來 ``` ``` package main import "fmt" // func main() { // ch := make(chan int) // go func() { // for i := 0; i < 10; i++ { // ch <- i // } // close(ch) // }() // for val := range ch { // fmt.Println(val) // } // } //生產者 func producer(ch chan<- int) { for i := 0; i < 10; i++ { ch <- i } close(ch) } // 消費者 func consumer(ch <-chan int) { for data := range ch { fmt.Println(data) } } func main() { // 通道 ch := make(chan int) go producer(ch) consumer(ch) } 結果: 1 2 3 4 5 6 7 8 9 ``` ### 定時器 參考:https://blog.csdn.net/guyan0319/article/details/90450958 Tick函數是使用channel阻塞當前協程,完成定時任務的執行 ``` package main import ( "fmt" "time" ) // 定時器 func main() { ticker := time.NewTicker(time.Second) for { <-ticker.C fmt.Println("hello world!") } } ```
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