QFileInfo类提供了与系统无关的文件信息。 QFileInfo提供了有关文件在文件系统中的名称和位置(路径)、访问权限、是否是目录或符号链接等信息。还可以获取文件的大小和最后修改/读取的时间。QFileInfo还可以用于获取有关Qt资源的信息。 QFileInfo可以指向具有相对或绝对文件路径的文件。绝对文件路径以目录分隔符“/”(...
{//递归调用拷贝if(!qCopyDirectory(fileInfo.filePath(), toDir_.filePath(fileInfo.fileName()),true))returnfalse; }//拷贝子文件else{if(bCoverIfFileExists &&toDir_.exists(fileInfo.fileName())) { toDir_.remove(fileInfo.fileName()); }if(!QFile::copy(fileInfo.filePath(), toDir_.file...
void suCam::on_pushButton_fileChoose_clicked(){ QString srcDirPath = QFileDialog::getExistingDirectory(this, "choose src Directory","/");if (srcDirPath.isEmpty()){ return;} else { qDebug() << "srcDirPath=" << srcDirPath;srcDirPath += "/";} } 获取保存地址后，⾃动保存代码如下...
#include "QtGui/private/qzipreader_p.h"#include "QtGui/private/qzipwriter_p.h"QZipReader reader(dirPath);QString path("");//解压文件夹到当前目录reader.etractAll(path);//文件夹名称QZipReader::FileInfo fileInfo = reader.entryInfoAt(0);//解压文件QFile file(filePath);file.open(QIODe...
$cd<your qt project directory>$gitclone--recurse-submodules https://github.com/open-telemetry/opentelemetry-cpp 打开Qt项目的CMakeLists.txt文件,添加如下内容。 #CMakeLists.txtadd_subdirectory(opentelemetry-cpp) ... target_include_directories(OTelExample4QT2 PRIVATE ${CMAKE_SOURCE_DIR}/open...
file.open(QIODevice::WriteOnly); file.write(reader.fileData(QString::fromLocal8Bit("%1").arg(filePath))); file.close(); reader.close(); QZipWriter *writer = new QZipWriter(dirPath); //添加文件夹 writer->addDirectory(unCompress); //添加文件 QFile file(filePath); file.open(QIODe...
QString filePath = externalFilesDir + "/filename.txt"; QFile file(filePath); if (file.open(QIODevice::WriteOnly)) { // 文件操作 file.close(); } 这里将外部文件目录路径与文件名拼接,然后使用QFile类进行文件操作。 需要注意的是,context.getExternalFilesDir方法是Android平台特有的方法,用于获取外部...
git clone https://code.qt.io/qt/qtquick3d.git cd qtquick3d git submodule update --init --recursive cd ../your/build/directory/ mkdir qtquick3d cd qtquick3d ../qtbase/bin/qt-configure-module ../../path/to/qt/source/qtquick3d ninja # or make/nmake ninja install # or make/nmake...
To build a Qt project, mount the directory containing the sources and the project file to the/sourcespath inside the container and run it. By default the image automatically executesqmakeandmakein the current working directory, which is set to/sourcesby default. ...
connect(copy,SIGNAL(triggered(bool)), this, SLOT(copyFile())); } } Widget::~Widget() { }voidWidget::chooseDir(){// QString path = QFileDialog::getExistingDirectory(this,"choose exe directory.","D:/");QString path = QFileDialog::getOpenFileName(this,QString::fromLocal8Bit("打开exe文...