mirror of
https://github.com/unknwon/the-way-to-go_ZH_CN.git
synced 2025-08-12 05:33:04 +08:00
81 lines
2.5 KiB
Go
81 lines
2.5 KiB
Go
package main
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import "fmt"
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func main() {
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str := "Go is a beautiful language!"
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fmt.Printf("The length of str is: %d\n", len(str))
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for pos, char := range str {
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fmt.Printf("Character on position %d is: %c \n", pos, char)
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}
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fmt.Println()
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str2 := "Chinese: 日本語"
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fmt.Printf("The length of str2 is: %d\n", len(str2))
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for pos, char := range str2 {
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fmt.Printf("character %c starts at byte position %d\n", char, pos)
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}
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fmt.Println()
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fmt.Println("index int(rune) rune char bytes")
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for index, rune := range str2 {
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fmt.Printf("%-2d %d %U '%c' % X\n", index, rune, rune, rune, []byte(string(rune)))
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}
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}
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/* Output:
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The length of str is: 27
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Character on position 0 is: G
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Character on position 1 is: o
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Character on position 2 is:
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Character on position 3 is: i
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Character on position 4 is: s
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Character on position 5 is:
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Character on position 6 is: a
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Character on position 7 is:
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Character on position 8 is: b
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Character on position 9 is: e
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Character on position 10 is: a
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Character on position 11 is: u
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Character on position 12 is: t
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Character on position 13 is: i
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Character on position 14 is: f
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Character on position 15 is: u
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Character on position 16 is: l
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Character on position 17 is:
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Character on position 18 is: l
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Character on position 19 is: a
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Character on position 20 is: n
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Character on position 21 is: g
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Character on position 22 is: u
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Character on position 23 is: a
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Character on position 24 is: g
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Character on position 25 is: e
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Character on position 26 is: !
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The length of str2 is: 18
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character C starts at byte position 0
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character h starts at byte position 1
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character i starts at byte position 2
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character n starts at byte position 3
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character e starts at byte position 4
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character s starts at byte position 5
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character e starts at byte position 6
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character : starts at byte position 7
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character starts at byte position 8
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character 日 starts at byte position 9
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character 本 starts at byte position 12
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character 語 starts at byte position 15
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index int(rune) rune char bytes
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0 67 U+0043 'C' 43
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1 104 U+0068 'h' 68
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2 105 U+0069 'i' 69
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3 110 U+006E 'n' 6E
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4 101 U+0065 'e' 65
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5 115 U+0073 's' 73
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6 101 U+0065 'e' 65
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7 58 U+003A ':' 3A
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8 32 U+0020 ' ' 20
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9 26085 U+65E5 '日' E6 97 A5
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12 26412 U+672C '本' E6 9C AC
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15 35486 U+8A9E '語' E8 AA 9E
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*/
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