神奇的go语言

package main

import(

    "fmt"

    "log"

    "net/http"

    "os"

)

func main(){

    resp,err:=http.Get("http://www.baidu.com")

    if err!=nil{

        //handleerror



        fmt.Println(err)



        log.Fatal(err)



    }



    defer resp.Body.Close()



    if resp.StatusCode==http.StatusOK{



        fmt.Println(resp.StatusCode)



    }



    buf:=make([]byte,1024)

    //createfile

    f,err1:=os.OpenFile("baidu.html",os.O_RDWR|os.O_CREATE|os.O_APPEND,os.ModePerm)

    if err1!=nil{

        panic(err1)

        return

    }

    defer f.Close()

    for{

        n,_:=resp.Body.Read(buf)

        if 0==n{

            break

        }

        f.WriteString(string(buf[:n]))
    }
}