/
main.go
42 lines (38 loc) · 1.07 KB
/
main.go
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package main
import (
"bytes"
"encoding/binary"
"fmt"
)
func main() {
var n int = 100000
intToBytes := intToBytes(n)
for _, v := range intToBytes {
fmt.Printf("%d %#[1]v\n", v)
}
fmt.Println(intToBytes)
fmt.Println(bytes.NewBufferString("10000"))
testBufferString()
}
func intToBytes(n int) []byte {
x := int32(n)
//创建一个内容是[]byte的slice的缓冲器
//与bytes.NewBufferString("")等效
bytesBuffer := bytes.NewBuffer([]byte{})
binary.Write(bytesBuffer, binary.BigEndian, x)
return bytesBuffer.Bytes()
}
func testBufferString() {
buf1 := bytes.NewBufferString("swift")
buf2 := bytes.NewBuffer([]byte("swift"))
buf3 := bytes.NewBuffer([]byte{'s', 'w', 'i', 'f', 't'})
fmt.Println("===========以下buf1,buf2,buf3等效=========")
fmt.Println("buf1:", buf1)
fmt.Println("buf2:", buf2)
fmt.Println("buf3:", buf3)
fmt.Println("===========以下创建空的缓冲器等效=========")
buf4 := bytes.NewBufferString("")
buf5 := bytes.NewBuffer([]byte{})
fmt.Println("buf4:", buf4)
fmt.Println("buf5:", buf5)
}