golang字符串去除空格和换行符

package main

import (
	"fmt"
	"strings"
)

func main() {
	str := "welcome to cn\nbattle\n.com"
	// 去除空格  
	str = strings.Replace(str, " ", "", -1)
	// 去除换行符  
	str = strings.Replace(str, "\n", "", -1)
	fmt.Println(str)
}