go将字符串数据变成字符串

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package main

import (
    "fmt"
    "strings"
)

func main() {
    var s,sq string
    stringArr := [6]string {"1","2","3","4","5","6"}
    // 方法1
    for _,value := range stringArr {
        s += sq + value 
        sq = "-"
    }
    fmt.Println(s)
    // 方法2
    fmt.Println(strings.Join(stringArr[:],"-"))
}