使用Windows Api+Qt做的一个系统备份工具

 //DismTools.h  qt widget 头文件 #pragma once#include <QWidget>#include <QThread>#include "ui_DismTools.h"#include <QString>#include <QLabel>#include "BackUp.h"#include "Restore.h"#include "BcdBoot.h"class DismTools : public QWidget{	Q_OBJECTpublic:	DismTools(QWidget *parent = Q_NULLPTR);	~DismTools()	{			thread.quit();			thread.wait();	}private:	Ui::DismToolsClass ui;private slots:void on_BackUp_clicked();void on_BackUp_finished(const QString&);void on_Restore_clicked();void on_Restore_finished(const QString&);private:	QThread thread;	BackUp	*bk;	Restore *restore;	BcdBoot *boot;signals:	void backSig(const QString &,const QString &);	void restoreSig(const QString &, const QString &);	void bcdbootSig(const QString &);	//PWSTR pszTmpDir = L"C:\\tmp";};

//dismtools.cpp 代码#pragma execution_character_set("utf-8")#include "DismTools.h"#include "BackUp.h"#include <QFileInfo>#include <QFileDialog>DismTools::DismTools(QWidget *parent)	: QWidget(parent){	ui.setupUi(this);	connect(ui.backUp, &QPushButton::clicked, this, &DismTools::on_BackUp_clicked);	connect(ui.restore, &QPushButton::clicked, this, &DismTools::on_Restore_clicked);}void DismTools::on_BackUp_clicked(){	QString dir = QFileDialog::getExistingDirectory(this, tr("选择备份分区"),		"/home",		QFileDialog::ShowDirsOnly		| QFileDialog::DontResolveSymlinks);	QFileInfo fi(dir);	if (!fi.exists())	{		return;	}	QString fileName = QFileDialog::getSaveFileName(this, QString("保存镜像文件"),		"/home/",		QString("镜像文件 (*.wim)"));	QFileInfo fi1(fileName);	bk = new BackUp();	bk->moveToThread(&thread);	connect(&thread, &QThread::finished, bk, &QObject::deleteLater);	connect(this, &DismTools::backSig, bk, &BackUp::doBackUp);	connect(bk, &BackUp::resultReady, this, &DismTools::on_BackUp_finished);	thread.start();	ui.label->setText("镜像备份中...");	ui.backUp->setDisabled(true);	emit backSig(fileName, dir);}void DismTools::on_BackUp_finished(const QString &finished){	ui.label->setText(finished);	QMessageBox::warning(this, "", finished);	ui.backUp->setDisabled(false);}void DismTools::on_Restore_clicked(){	QString dir = QFileDialog::getExistingDirectory(this, tr("选择恢复分区"),		"/home",		QFileDialog::ShowDirsOnly		| QFileDialog::DontResolveSymlinks);	QFileInfo fi(dir);	if (!fi.exists())	{		return;	}	QString fileName = QFileDialog::getOpenFileName(this, QString("选择镜像文件"),		"/home/",		QString("镜像文件 (*.wim)"));	QFileInfo fi1(fileName);	restore = new Restore();	restore->moveToThread(&thread);	connect(&thread, &QThread::finished, restore, &QObject::deleteLater);	connect(this, &DismTools::restoreSig, restore, &Restore::doRestore);	connect(restore, &Restore::resultReady, this, &DismTools::on_Restore_finished);	thread.start();	ui.label->setText("镜像恢复中...");	ui.restore->setDisabled(true);	emit restoreSig(fileName, dir);}void DismTools::on_Restore_finished(const QString &finished){	ui.label->setText(finished);	QMessageBox::warning(this, "", finished);	ui.restore->setDisabled(false);	int ret = QMessageBox::question(this, "", QString("是否添加引导项？"), QMessageBox::Ok,QMessageBox::No);	if (ret = 0)	{		QString souces = QFileDialog::getExistingDirectory(this, tr("选择Windows系统根目录"),			"/home",			QFileDialog::ShowDirsOnly			| QFileDialog::DontResolveSymlinks);		QString bootPath = QFileDialog::getExistingDirectory(this, tr("选择Windows启动分区"),			"/home",			QFileDialog::ShowDirsOnly			| QFileDialog::DontResolveSymlinks);		boot = new BcdBoot();		boot->doBcdBoot(souces, bootPath);		connect(boot, &BcdBoot::resultReady, this, [=](const QString &result)		{			QMessageBox::information(this, "", result);		});		return;	}}//backup代码#pragma once#pragma execution_character_set("utf-8")#include <qobject.h>#include <QString>#include <QMessageBox>#include "windows.h"#include "wimgapi.h"class BackUp:public QObject{	Q_OBJECTpublic slots:	void doBackUp(const QString &pszWimFile,const QString &pszCaptureDir);signals:	void resultReady(const QString &result);};

//backup.cpp#include "BackUp.h"#include <QMessageBox>void BackUp::doBackUp(const QString &pszWimFile, const QString &pszCaptureDir){	bool sucess = true;	const wchar_t * WimFile = reinterpret_cast<const wchar_t *>(pszWimFile.utf16());	const wchar_t * CaptureDir = reinterpret_cast<const wchar_t *>(pszCaptureDir.utf16());	DWORD dwFlags = 0,		dwDisposition = WIM_CREATE_ALWAYS,		dwDesiredAccess = WIM_GENERIC_WRITE,		dwCreateFlags = 0,		dwCaptureFlags = WIM_FLAG_VERIFY,		dwCompressionType = WIM_COMPRESS_LZX,		dwCreationResult = 0,		dwError = 0;	HANDLE    hWim = WIMCreateFile(WimFile,		dwDesiredAccess,		dwDisposition,		dwCreateFlags,		dwCompressionType,		&dwCreationResult);	sucess = hWim;	if (!sucess)	{		//QMessageBox::critical(this, QString("Error!"), QString("BackUp Error with code Create Fail"));		//QMessageBox::critical(NULL, QString("Error!"), QString("Create Image Fail"));		emit resultReady(QString("文件创建失败"));		return;	}	//WIMSetTemporaryPath(hWim, pszTmpDir);	HANDLE hImage = WIMCaptureImage(hWim, CaptureDir, dwCaptureFlags);	sucess = hImage;	if (!sucess)	{		//QMessageBox::critical(NULL, QString("Error!"), QString("BackUp Error with code BackUp Status"));		emit resultReady(QString("备份失败"));		return;	}	WIMCloseHandle(hImage);	WIMCloseHandle(hWim);	emit resultReady(QString("备份成功"));}

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