hotime/dri/download/download.go

package download

import (
	"bytes"
	. "code.hoteas.com/golang/hotime/common"
	"io"
	"io/ioutil"
	"net/http"
	"os"
)

// Down 下载文件
func Down(url, path, name string, e ...*Error) bool {

	os.MkdirAll(path, os.ModeDir)
	if Substr(path, len(path)-1, len(path)) != "/" {
		path = path + "/"
	}
	out, err := os.Create(path + name)

	if err != nil && len(e) != 0 {
		e[0].SetError(err)
		return false
	}
	defer out.Close()
	resp, err := http.Get(url)
	if err != nil && len(e) != 0 {
		e[0].SetError(err)
		return false
	}
	defer resp.Body.Close()

	pix, err := ioutil.ReadAll(resp.Body)
	_, err = io.Copy(out, bytes.NewReader(pix))
	if err != nil && len(e) != 0 {
		e[0].SetError(err)
		return false
	}
	return true
}