Qt文件或文件夹拷贝

#include "sfilecopy.h" SFileCopy::SFileCopy(QObject *parent) : QObject(parent) { m_createfile = new QDir(); } SFileCopy::~SFileCopy() { if (m_createfile) { m_createfile = Q_NULLPTR; delete m_createfile; } } bool SFileCopy::copyFileToPath(QString sourceDir, QString toDir, bool coverFileIfExist)//拷贝文件 { toDir.replace("\\", "/"); if (sourceDir == toDir) { return true; } if (!QFile::exists(sourceDir)) { return false; } bool exist = m_createfile->exists(toDir); if (exist) { if (coverFileIfExist) { m_createfile->remove(toDir); } } if (!QFile::copy(sourceDir, toDir)) { return false; } return true; } //拷贝文件夹 bool SFileCopy::copyDirectoryFiles(const QString &fromDir, const QString &toDir, bool coverFileIdExist) { QDir sourceDir(fromDir); QDir targetDir(toDir); qDebug() << "copyDirectoryFiles:" <<fromDir << toDir; if (!targetDir.exists()) if (!targetDir.mkdir(targetDir.absolutePath())) return false; QFileInfoList fileInfoList = sourceDir.entryInfoList(); if (m_firstRead) { int isfileTMP = 0; qDebug() << "a copyDirectoryFiles:" << fileInfoList.count(); foreach (QFileInfo fileInfo, fileInfoList) { if (fileInfo.isFile()) isfileTMP++; } m_total = fileInfoList.count() - 2 - isfileTMP; m_value = 0; m_firstRead = false; qDebug()<< "a copyDirectoryFiles:" << fileInfoList.count() << m_total << isfileTMP; emit sigCopyDirStation(m_value/m_total); if (m_value == m_total) { m_firstRead = true; emit sigCopyDirStation(1); emit sigCopyDirOver(); } } else { m_value++; qDebug()<< "a copyDirectoryFiles:" << m_value << m_total; emit sigCopyDirStation(m_value/m_total); if ((m_value/m_total == 1)||(m_value > m_total)||(m_value == m_total)) { m_firstRead = true; emit sigCopyDirOver(); } } foreach (QFileInfo fileInfo, fileInfoList) { if (fileInfo.fileName() == "." || fileInfo.fileName() == "..") continue; if (fileInfo.isDir()) if (!copyDirectoryFiles(fileInfo.filePath(), targetDir.filePath(fileInfo.fileName()), coverFileIdExist)) return false; else if (coverFileIdExist && targetDir.exists(fileInfo.fileName())) targetDir.remove(fileInfo.fileName()); if (!QFile::copy(fileInfo.filePath(), targetDir.filePath(fileInfo.fileName()))) return false; } return true; }