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GO鐨剅ange濡備綍浣跨敤

扬州沐宇科技
2023-08-09 18:12:38
go, range

鍦℅o璇█涓紝range鍏抽敭瀛楃敤浜庤凯浠f暟缁勩€佸垏鐗囥€佸瓧绗︿覆銆佹槧灏勫拰閫氶亾绛夋暟鎹粨鏋勩€傚畠鎻愪緵浜嗕竴绉嶇畝娲佺殑閬嶅巻鏂瑰紡銆?/p>

浣跨敤range鍏抽敭瀛楃殑鍩烘湰璇硶濡備笅锛?/p>

for index, value := range data {
// 寰幆浣?/span>
}

鍏朵腑锛宨ndex鏄储寮曟垨閿€硷紝value鏄搴旂殑鍏冪礌鍊硷紝data鏄閬嶅巻鐨勬暟鎹€?/p>

浠ヤ笅鏄娇鐢╮ange鐨勭ず渚嬩唬鐮侊細

  1. 閬嶅巻鏁扮粍鍜屽垏鐗囷細
numbers := []int{1, 2, 3, 4, 5}
for index, value := range numbers {
fmt.Printf("Index: %d, Value: %d\n", index, value)
}
  1. 閬嶅巻瀛楃涓诧細
str := "Hello, World!"
for index, value := range str {
fmt.Printf("Index: %d, Value: %c\n", index, value)
}
  1. 閬嶅巻鏄犲皠锛?/li>
ages := map[string]int{
"Alice": 25,
"Bob":   30,
"Carol": 35,
}
for key, value := range ages {
fmt.Printf("Key: %s, Value: %d\n", key, value)
}
  1. 閬嶅巻閫氶亾锛?/li>
ch := make(chan int)
go func() {
for i := 0; i < 5; i++ {
ch <- i
}
close(ch)
}()
for value := range ch {
fmt.Println(value)
}

闇€瑕佹敞鎰忕殑鏄紝濡傛灉鍙渶瑕佺储寮曟垨鍊煎叾涓殑涓€涓紝鍙互浣跨敤_鏉ュ拷鐣ュ彟涓€涓€備緥濡傦細

numbers := []int{1, 2, 3, 4, 5}
for _, value := range numbers {
fmt.Println(value)
}

浠ヤ笂灏辨槸浣跨敤range鍏抽敭瀛楄繘琛岃凯浠g殑鍩烘湰鐢ㄦ硶銆傛牴鎹笉鍚岀殑鏁版嵁缁撴瀯锛宺ange杩樻湁鍏朵粬涓€浜涚壒瀹氱殑鐢ㄦ硶锛屽彲浠ユ牴鎹叿浣撻渶姹傝繘琛屽涔犲拰浣跨敤銆?/p>

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