Created
December 28, 2018 14:05
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| // curl -X POST -H "Content-Type: application/octet-stream" --data-binary '@filename' http://127.0.0.1:5050/upload | |
| // curl -F "uploadfile=@test.txt" http://127.0.0.1:5050/upload2 | |
| // go run main.go | |
| package main | |
| import ( | |
| "fmt" | |
| "io" | |
| "net/http" | |
| "os" | |
| "time" | |
| "io/ioutil" | |
| ) | |
| func uploadHandler(w http.ResponseWriter, r *http.Request) { | |
| file, err := os.Create("./result") | |
| if err != nil { | |
| panic(err) | |
| } | |
| n, err := io.Copy(file, r.Body) | |
| if err != nil { | |
| panic(err) | |
| } | |
| w.Write([]byte(fmt.Sprintf("%d bytes are recieved.\n", n))) | |
| } | |
| func uploadHandler2(w http.ResponseWriter, r *http.Request) { | |
| r.ParseMultipartForm(32 << 20) | |
| file, handler, err := r.FormFile("uploadfile") | |
| if err != nil { | |
| fmt.Println(err) | |
| return | |
| } | |
| defer file.Close() | |
| fmt.Fprintf(w, "%v", handler.Header) | |
| f, err := os.OpenFile("./"+handler.Filename, os.O_WRONLY|os.O_CREATE, 0666) | |
| if err != nil { | |
| fmt.Println(err) | |
| return | |
| } | |
| defer f.Close() | |
| n, err := io.Copy(f, file) | |
| w.Write([]byte(fmt.Sprintf("%d bytes are recieved.\n", n))) | |
| } | |
| func main() { | |
| http.HandleFunc("/upload", uploadHandler) | |
| http.HandleFunc("/upload2", uploadHandler2) | |
| go func() { | |
| time.Sleep(time.Second * 1) | |
| upload() | |
| }() | |
| http.ListenAndServe(":5050", nil) | |
| } | |
| func upload() { | |
| file, err := os.Open("./filename") | |
| if err != nil { | |
| panic(err) | |
| } | |
| defer file.Close() | |
| res, err := http.Post("http://127.0.0.1:5050/upload", "binary/octet-stream", file) | |
| if err != nil { | |
| panic(err) | |
| } | |
| defer res.Body.Close() | |
| message, _ := ioutil.ReadAll(res.Body) | |
| fmt.Printf(string(message)) | |
| } |
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