[英]How to convert std::vector<uint8_t> to QByteArray?
I am trying to create QByteArray from std::vector.. I tried;我正在尝试从 std::vector 创建 QByteArray .. 我试过了;
std::vector<uint8_t> buf;
QByteArray img = new QByteArray(reinterpret_cast<const char>(buf), buf.size());
However it gives error;但是它给出了错误;
error: invalid cast from type 'std::vector<unsigned char, std::allocator<unsigned char> >' to type 'const char'
您需要转换buf.data()
而不是buf
:
QByteArray* img = new QByteArray(reinterpret_cast<const char*>(buf.data()), buf.size());
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