package main

import (
    "io"
    "io/ioutil"
    "net/http"
    "os"
)

func main() {
    var f *os.File
    resp, _ := http.Get("http://www.baidu.com")
    defer resp.Body.Close()
    body, _ := ioutil.ReadAll(resp.Body)
    f, _ = os.Create("1.txt")
    io.WriteString(f, string(body))
}