for i := 0; i < 10; i++ {
        if i == 5 {
            goto TOP
        }
    }
TOP:
    fmt.Println("TOP标签里执行的语句")

package main

import "strconv"

import "fmt"

import "time"

func main() {
    //测试字符串拼接和字符串与整型的互换
    var str string
    str = "tao" + "shihan"
    fmt.Println(str)
    var num int
    num, err := strconv.Atoi("1")
    fmt.Println(num, err)

    str = strconv.Itoa(num)
    fmt.Println(str)
TOP:
    fmt.Println("TOP标签里执行的语句")
    //测试goto语句
    for i := 0; i < 10; i++ {
        if i == 4 {
            time.Sleep(time.Second)
            goto TOP
        }

    }

}