1.1 byte[] 转 string

func bytesToString (bytes []byte) string{return string(bytes)
}

func main() {bytes := []byte{97, 98, 99}s := bytesToString(bytes)fmt.Println(s)// 打印 abc
}

1.2 string 转 byte[]

func stringToBytes (s string) []byte{return []byte(s)
}

func main() {s := "abc"bytes := stringToBytes(s)fmt.Println(bytes)// 打印 [97 98 99]
}

1.3 rune[] 转 string

func runesToString (runes []rune) string{return string(runes)
}

func main() {runes := []rune{33821, 33673, 33804}s := runesToString(runes)fmt.Println(s)// 打印 萝莉萌
}

1.4 string 转 rune[]

func stringToRunes (s string) []rune{return []rune(s)
}

func main() {s := "萝莉萌"runes := stringToRunes(s)fmt.Println(runes)// 打印 [33821 33673 33804]
}