go语言-最大32位数反转

package main

import (
"fmt"
"strconv"
)

func fanzhuang32(number int) string {

fuhao := ""
if number < 0 {
number = 0 - number
fuhao = "-"
}
str1 := strconv.Itoa(number)
j := len(str1)
str := ""
for i := j; i > 0; i-- {
str += str1[i-1 : i]
}
return fuhao + str
}

func main() {

re := fanzhuang32(-123456)
fmt.Println(re)

}