一个写操作可以参考: QDataStream &operator >>(QDataStream &in, SerializedMessage &message) { qint32 type; qint32 dataLength; QByteArray dataArray; in >> type >> dataLength; dataArray.resize(dataLength); // <-- You need to add this l
1. 简介 其实叫它istream有点不合适,因为该头文件不仅定义了istream,还定义了iostream. 2. basic_istream模版 basic_istream继承自basic_ios,也是其它输入流的基类. 2.1 sentry类 The class sentry defines a class that is responsible for doing exception safe prefix and suffix operations. sentry是哨兵的意思,标准给出