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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                [TOC] ## QDataStream 1. QDataStream類為我們的程序提供了讀寫二進制數據的能力 2. QDataStream類實現了序列化C++的基本數據類型的功能,比如char,short,int,char* 等等。如果要序列化更復雜的數據類型,可以將復雜數據類型分解成獨立的基本數據類型分別進行序列化。 ## 實例 ``` // 輸出流 QByteArray baResult; QDataStream dsOut(&baResult,QIODevice::ReadWrite); int nVersion = 1; double dblValue = 125.78999; QString strName = QObject::tr("This an example."); dsOut<<nVersion<<dblValue<<strName; qDebug()<<baResult.length(); // 48 // 輸入流 QByteArray bain; QDataStream dsIn(baResult); int nVersion1; double dblValue1; QString strName1; dsIn>>nVersion1>>dblValue1>> strName1; qDebug()<<strName1; // This an example. ```
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