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? ??? ?? Golang Go ???? ???? ???? ??

Go ???? ???? ???? ??

Mar 13, 2024 am 08:33 AM
??? ?? ? ???? ???

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Go ??? ??? ????? ???? ??? ??? ?? ??? ???? ???? ??? ????? ?????. Go ????? ????? ???? ???? ??? ? ????. ???? Go ???? ???? ???? ??? ???? ?? ??? ?? ??? ???????.

1. ????? ???? ??? ????

Go ????? ???? ???? ???? ???? ??? ??? ? ????. ???? ???? ??? ??? ????.

slice := str[start:end]

? ? str? ??? ?????, start? ?? ?? ??(??), end? ?? ?? ??(??)???. start? ???? ??? ???? 0??, end? ???? ??? ???? ??? ?????. ???? ?? ??? ?? ??? ?? ?? ????? ?? ???? ???.

??? ????? ???? ???? ???? ??? ???? ??? ????.

package main

import "fmt"

func main() {
    str := "Hello, 世界"
    
    // 截取前5個(gè)字符
    slice1 := str[:5]
    fmt.Println(slice1)  // 輸出:Hello

    // 截取從索引6開(kāi)始到末尾的字符
    slice2 := str[6:]
    fmt.Println(slice2)  // 輸出:世界

    // 截取部分字符
    slice3 := str[7:9]
    fmt.Println(slice3)  // 輸出:世
    
}

? ???? ???? ???? ?? ??? str? ?? ??? ???????.

2. ?? ?? ? ????

Go ????? ???? ??? ?? ???? ????? ??? ??? ???? ??? ? ? ?? ???? ???. ??? ?? ??? ?? ???? ?? ??? ??? ??? ? ??? ???? ???? ?? ? ????. ??? ??? ?????? ???? ?? ????? ??? ???? ?? ????.

??? strings ???? RuneCount ? Rune ??? ???? ??? ???? ????.

package main

import (
    "fmt"
    "unicode/utf8"
)

func main() {
    str := "Hello, 世界"
    
    // 計(jì)算字符串中的Unicode字符數(shù)量
    count := utf8.RuneCountInString(str)
    fmt.Println("字符數(shù):", count)  // 輸出:9
    
    // 通過(guò)Rune函數(shù)遍歷每個(gè)Unicode字符
    for i, r := range str {
        fmt.Printf("%d: %c
", i, r)
    }
}

? ??? RuneCountInString ? Rune ??? ???? ??? ??? ???? ???? ??? ?????.

??:

??? ????? ?? ???? ???? ?? ?????. Go ??? ????? ?? ??? ??? ???? ??? ?????. ??? ??? ?? ??? ??? ???? ???. ??? ????? ???? ?? ??? ???? ?? ????. ? ??? Go ???? ???? ???? ??? ??? ? ??? ??? ????.

? ??? Go ???? ???? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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? AI ??

Undresser.AI Undress

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AI Clothes Remover

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Video Face Swap

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SublimeText3 ??? ??

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??? PHP ?? ?? ??

???? CS6

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? ??? ?? ?? ?????(SublimeText3)

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