Qt 图片与base64互转

图片转base64

QImage image(":/image/wrong");
QByteArray ba;
QBuffer buf(&ba);
image.save(&buf, "png");
qDebug() << ba.toBase64();
buf.close();

base64转图片

QString p_b;//base64字符串
QPixmap image;
image.loadFromData(QByteArray::fromBase64(p_b.toLocal8Bit()));