messageId := r.URL.Query()["id"][0]
out, err := os.Create("./upload/" + messageId + ".mp3")
if err != nil {
fmt.Fprintf(w, "Unable to create the file for writing. Check your write
access privilege")
return
}
i added this portion but i am getting an error while trying to upload a
file using curl
error in server is :panic serving 10.10.20.55:62253: runtime error: index
out of range [0] with length 0
what is the reason??
On Wednesday, 8 October 2014 at 02:14:13 UTC+5:30 Tobias S. wrote:
> Sorry, I misunderstood your problem, so my code snippet is probably
> useless for you. But I found this:
>
> http://stackoverflow.com/questions/25804092/golang-upload-file-err-runtime-error-index-out-of-range
> The code sample can be fixed easily and should be what you are after. I
> guess it is also better to adapt then the example you cited.
>
> Entefunc webUploadHandler(w http.ResponseWriter, r *http.Request) {
>
> file, header, err := r.FormFile("file") // the FormFile function takes in
> the POST input id file
>
> if err != nil {
> fmt.Fprintln(w, err)
> return
> }
> defer file.Close()
>
> // My error comes here
>
> messageId := r.URL.Query()["id"][0]
> out, err := os.Create("./upload/" + messageId + ".mp3")
>
> if err != nil {
> fmt.Fprintf(w, "Unable to create the file for writing. Check your
> write access privilege")
> return
> }
> defer out.Close()
>
> // write the content from POST to the file
> _, err = io.Copy(out, file)
> if err != nil {
> fmt.Fprintln(w, err)
> }
>
> fmt.Fprintf(w,"File uploaded successfully : ")
> fmt.Fprintf(w, header.Filename)
>
> }r code here...
>
>
>
> On Tuesday, October 7, 2014 3:56:09 PM UTC+2, Budh Ram wrote:
>
>> Hi Guys,
>>
>> I am newbie in Go language.
>> I am writing a small HttpServer in Go where I want to upload file to this
>> server using curl approach as:
>>
>>> curl --upload-file foo.txt http://localhost:9090/rp.txt
>>>
>>
>> I am getting following server logs:
>> https://gist.github.com/budhrg/355126ba4f03d32008e0
>>
>> I searched through docs, existing codes but the closest I found is file
>> upload using web
>> <https://github.com/Blacktremolo/goload/blob/master/main.go#L49>.
>>
>> Following is my code for HttpServe which I need to update to accept file
>> content and save in server:
>>
>>> package main
>>>
>>>
>>>> import (
>>>
>>> "fmt"
>>>
>>> "net/http"
>>>
>>> )
>>>
>>>
>>>> func main() {
>>>
>>> http.Handle("/", http.HandlerFunc(upload))
>>>
>>> http.ListenAndServe("localhost:9090", nil)
>>>
>>> }
>>>
>>>
>>>> func upload(w http.ResponseWriter, req *http.Request) {
>>>
>>> fmt.Fprintf(w, "file name is : %s",req.URL.Path[1:])
>>>
>>> fmt.Println("method :", req.Method)
>>>
>>> fmt.Println("FileSize : ", req.ContentLength)
>>>
>>> fmt.Println("Header : ",req.Header)
>>>
>>> fmt.Println("Body : ",req.Body)
>>>
>>> fmt.Println("Post form : ",req.PostForm)
>>>
>>> }
>>>
>>>
>>>
>> Please help
>>
>>
>
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