Files
build-web-application-with-…/th/code/src/apps/ch.4.5/client_upload/main.go
2019-01-08 15:54:55 +07:00

47 lines
885 B
Go

package main
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"mime/multipart"
"net/http"
"os"
)
func checkError(err error) {
if err != nil {
panic(err)
}
}
func postFile(filename string, targetUrl string) {
bodyBuf := &bytes.Buffer{}
bodyWriter := multipart.NewWriter(bodyBuf)
fileWriter, err := bodyWriter.CreateFormFile("uploadfile", filename)
checkError(err)
fh, err := os.Open(filename)
checkError(err)
_, err = io.Copy(fileWriter, fh)
checkError(err)
contentType := bodyWriter.FormDataContentType()
bodyWriter.Close()
resp, err := http.Post(targetUrl, contentType, bodyBuf)
checkError(err)
defer resp.Body.Close()
resp_body, err := ioutil.ReadAll(resp.Body)
checkError(err)
fmt.Println(resp.Status)
fmt.Println(string(resp_body))
}
func main() {
target_url := "http://localhost:9090/upload"
filename := "../file.txt"
postFile(filename, target_url)
}