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upload file by http. when to call file->close()

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  • C Offline
    C Offline
    chris_rookie
    wrote on last edited by
    #1
    QFile* file = new QFile(path);
    file->open(QIODevice::ReadOnly);
    QHttpMultiPart *multi_part = new QHttpMultiPart(QHttpMultiPart::FormDataType);
    QHttpPart image_part;
    image_part.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("image/jpg"));
    image_part.setHeader(QNetworkRequest::ContentDispositionHeader
        , QVariant(QString("form-data; name=\"file\";filename=\"testfile.jpg\";"));
    image_part.setBodyDevice(file);
    multi_part->append(image_part);
    
    QNetworkReply *reply = manager_.post(request, multi_part);
    

    I dont kown when to call file->close().
    or , i neednt call it.

    jsulmJ 1 Reply Last reply
    0
    • C chris_rookie
      QFile* file = new QFile(path);
      file->open(QIODevice::ReadOnly);
      QHttpMultiPart *multi_part = new QHttpMultiPart(QHttpMultiPart::FormDataType);
      QHttpPart image_part;
      image_part.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("image/jpg"));
      image_part.setHeader(QNetworkRequest::ContentDispositionHeader
          , QVariant(QString("form-data; name=\"file\";filename=\"testfile.jpg\";"));
      image_part.setBodyDevice(file);
      multi_part->append(image_part);
      
      QNetworkReply *reply = manager_.post(request, multi_part);
      

      I dont kown when to call file->close().
      or , i neednt call it.

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @chris_rookie said in upload file by http. when to call file->close():

      I dont kown when to call file->close().

      When https://doc.qt.io/qt-5/qnetworkreply.html#finished or https://doc.qt.io/qt-5/qnetworkreply.html#error-1 signal is emitted.

      https://forum.qt.io/topic/113070/qt-code-of-conduct

      C 1 Reply Last reply
      2
      • jsulmJ jsulm

        @chris_rookie said in upload file by http. when to call file->close():

        I dont kown when to call file->close().

        When https://doc.qt.io/qt-5/qnetworkreply.html#finished or https://doc.qt.io/qt-5/qnetworkreply.html#error-1 signal is emitted.

        C Offline
        C Offline
        chris_rookie
        wrote on last edited by
        #3

        @jsulm
        ok.
        Thank you.

        1 Reply Last reply
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