如何在Go中将[4] uint8转换为uint32?

如何将go的类型从uint8转换为unit32?

只需代码:

package main

import (

"fmt"

)

func main() {

uInt8 := []uint8{0,1,2,3}

var uInt32 uint32

uInt32 = uint32(uInt8)

fmt.Printf("%v to %v\n", uInt8, uInt32)

}

〜> 6g test.go && 6l -o test test.6 && ./test

test.go:10:无法将uInt8(类型[] uint8)转换为uint32类型

回答:

package main

import (

"encoding/binary"

"fmt"

)

func main() {

u8 := []uint8{0, 1, 2, 3}

u32LE := binary.LittleEndian.Uint32(u8)

fmt.Println("little-endian:", u8, "to", u32LE)

u32BE := binary.BigEndian.Uint32(u8)

fmt.Println("big-endian: ", u8, "to", u32BE)

}

输出:

little-endian: [0 1 2 3] to 50462976

big-endian: [0 1 2 3] to 66051

Go 二进制包功能通过一系列移位实现。

func (littleEndian) Uint32(b []byte) uint32 {

return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24

}

func (bigEndian) Uint32(b []byte) uint32 {

return uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24

}

以上是 如何在Go中将[4] uint8转换为uint32? 的全部内容, 来源链接: utcz.com/qa/400949.html

回到顶部