golang中strings.ToUpper

 golang中字符串操做strings.ToUpper

package main

import (
        "fmt"
        "strings"

)

//golang字符串操做
func main(){
        s := "hello world hello world"
        //str := "wo"
        //var s = []string{"11","22","33"}

        //将s中的全部字符修改成其大写格式。对于非ASCII字符，它的大写格式须要查表转换
        ret := strings.ToUpper(s)
        fmt.Println(ret) //HELLO WORLD HELLO WORLD
}