如果输入的数字低于600,我试图让代码循环,如果输入包含字母和符号,则循环。我不能这样做。
package main
import (
"fmt"
"strconv"
)
func main() {
fmt.Println("How far in metres are the people away from the spacecraft?")
var people string
fmt.Scanf("%s",&people)
number, _ := strconv.Atoi(people)
for number < 600 {
if (number < 0 || number > 0 || people == "0"){
fmt.Println("Too Close\nTry Again")
var people string
fmt.Scanf("%s",&people)
number, _ := strconv.Atoi(people)
fmt.Println(number)
}else{
fmt.Println("Only Number Please\nTry Again")
var people string
fmt.Scanf("%s",&people)
number, _ := strconv.Atoi(people)
fmt.Println(number)
}
}
fmt.Println("BLAST OFF !!!")
}
答案 0 :(得分:0)
var people string
var err error
var number int
for {
fmt.Scanf("%s",&people)
number, err = strconv.Atoi(people)
if err == nil {
break
}
fmt.Println("Not a number, please try again")
}
fmt.Println(number)