package main
import (
"bufio"
"fmt"
"os"
"strings"
)
func main() {
//从标准输入读取数据
inputReader := bufio.NewReader(os.Stdin)
fmt.Println("Please input your name:")
//读取数据直到遇见\n位置
input, err := inputReader.ReadString('\n')
if err != nil {
fmt.Printf("An error occurred:%s\n", err)
//异常错误后退出
os.Exit(1)
} else {
//用切片操作删除最后的\n
name := input[:len(input)-1]
fmt.Printf("Hello,%s!What can i di for you?\n", name)
}
for {
input, err = inputReader.ReadString('\n')
if err != nil {
fmt.Printf("An error occurred:%s\n", err)
continue
}
input = input[:len(input)-1]
//全部转换为小写
input = strings.ToLower(input)
switch input {
case "":
continue
case "nothing", "bye":
fmt.Println("Bye!")
//正常退出
os.Exit(0)
default:
fmt.Println("Sorry,I didn't catch you.")
}
}
}