doujianmin6527 2019-03-07 21:38
浏览 1733

如何从请求正文读取文件

I am trying to process file that i recieve in POST-request. So i recieve this Body.

Host: 127.0.0.1:8080
Transfer-Encoding: chunked
Connection: close
Authorization: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImFtdGlncmFAZWR1LmhzZS5ydSIsInJvbGUiOiJ0ZWFjaGVyIiwiaWQiOjAsImV4cCI6MTU1MjAzNjMzNX0.uKH4kZgjl82gQkdoo1XzPrDZeb5wqcN8CWsFupQ0ECg
Connection: close
Content-Type: multipart/form-data
Email: amtigra@edu.hse.ru
Id: 0
Role: teacher

3766
------WebKitFormBoundaryFkRZbuBIZBk3ErsD
Content-Disposition: form-data; name="file"; filename="kdk.xlsx"
Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

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y ���!+��E��fMy�k�����K�5=|�t ��G)�s墙�U��tB��)���,���f�����   �� PK    ! S[�c�  �     xl/worksheets/sheet1.xml��]��0��7��@z�|
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             j  xl/styles.xmlPK-     ! ��   ��   �               �  xl/sharedStrings.xmlPK-     !  /-��   �  #             �  xl/worksheets/_rels/sheet1.xml.relsPK-     ! ���B  Q                 docProps/core.xmlPK-     ! ���<�                 �  docProps/app.xmlPK      �  S     
------WebKitFormBoundaryFkRZbuBIZBk3ErsD--

0

So i want to cantch only content from this somehow. As reader or as bytes. it doesn't matter.

I have tried this, but it not worked. I got erroe like "there s no boundary" So what is the right way to read body if it consist only from file.

func StudentCreateWithExcelPost(w http.ResponseWriter, r *http.Request) {
    mr, err := r.MultipartReader()
    log.Print(err)
    form, err := mr.ReadForm(10 << 20)
    if err != nil {
        log.Print(err)
    }
    fh := form.File["file"]
    excelFile, err := fh[0].Open()
    if err != nil {
        log.Print(err)
    }
}

UPD I've just dumped request that I get. So it is really multipart/form-data but without boundary specified. Is it normal? You can see

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