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Golang multipart/form-data File Upload
package main
import (
"net/http"
"os"
"bytes"
"path"
"path/filepath"
"mime/multipart"
"io"
)
func main() {
fileDir, _ := os.Getwd()
fileName := "upload-file.txt"
filePath := path.Join(fileDir, fileName)
file, _ := os.Open(filePath)
defer file.Close()
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
part, _ := writer.CreateFormFile("file", filepath.Base(file.Name()))
io.Copy(part, file)
writer.Close()
r, _ := http.NewRequest("POST", "http://example.com", body)
r.Header.Add("Content-Type", writer.FormDataContentType())
client := &http.Client{}
client.Do(r)
}
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