Qt怎么实现解压缩和压缩文件的功能t怎么实现解压缩和压缩文件的功能,不想调用本地的rar指令。第三方库Quezip稳定吗,在哪里可以找到比较全的源码。
2条回答
- oyljerry 2015-07-06 04:15关注
#include <QCoreApplication> #include <QByteArray> #include <QBitArray> #include <QString> #include <QDebug> #include <QFile> void Zip(QString filename , QString zipfilename); void Unzip(QString zipfilename , QString filename); int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); //zipping Zip("D:\\programs\\demo.txt","D:\\programs\\demo.zip"); qDebug() << "Done zipping"; //unzipping Unzip("D:\\programs\\demo.zip","D:\\programs\\demo_unzipped.txt"); qDebug() << "Done unzipping"; return a.exec(); } void Zip (QString filename , QString zipfilename){ QFile infile(filename); QFile outfile(zipfilename); infile.open(QIODevice::ReadOnly); outfile.open(QIODevice::WriteOnly); QByteArray uncompressedData = infile.readAll(); QByteArray compressedData = qCompress(uncompressedData,9); outfile.write(compressedData); infile.close(); outfile.close(); } void Unzip (QString zipfilename , QString filename){ QFile infile(zipfilename); QFile outfile(filename); infile.open(QIODevice::ReadOnly); outfile.open(QIODevice::WriteOnly); QByteArray uncompressedData = infile.readAll(); QByteArray compressedData = qUncompress(uncompressedData); outfile.write(compressedData); infile.close(); outfile.close(); } .pro file QT += core QT -= gui TARGET = TestZippingExample CONFIG += console CONFIG -= app_bundle TEMPLATE = app SOURCES += main.cpp
http://karanbalkar.com/2014/02/zipping-and-unzipping-files-using-qt-5-framework/
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