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windows下使用qt获取U盘并格式化U盘
在windows下使用qt获取U盘和格式化U盘,其中获取调用windows api参考,格式化U盘调用了cmd fomat 其中命令为format E: /FS:FAT32 /Q /Y
本blog代码链接
https://download.csdn/download/u011720560/10428854
- 获取U盘方法
- 格式化U盘
- 代码块
- 参考
获取U盘信息
使用
nativeEvent(const QByteArray &eventType, void *message, long *result)
获取U盘的插拔动作,GetLogicalDrives
获取本地所有设备。可以参考https://msdn.microsoft/en-us/library/windows/desktop/aa364993(v=vs.85).aspx
char MainWindow::FirstDriveFromMask(ULONG unitmask)
{
char i;
for (i = 0; i < 26; ++i)
{
if (unitmask & 0x1)
break;
unitmask = unitmask >> 1;
}
return (i + 'A');
}
//=================================================================================
//系统启动扫描已经连接的U盘 程序只会在系统执行时执行一次
//=================================================================================
void MainWindow::ScanHD()
{
DEBUG_TEST<<"U盘扫描";
char diskPath[5] = { 0 };
DWORD allDisk = GetLogicalDrives(); //返回一个32位整数,将他转换成二进制后,表示磁盘,最低位为A盘
udisk_lists.clear();
if (allDisk!=0)
{
for (int i=0;i<26;i++) //假定最多有12个磁盘从A开始计数
{
if ((allDisk & 1)==1)
{
sprintf( diskPath, "%c", 'A'+i );
strcat( diskPath, ":" );
LPCWSTR RootPathName =(LPCWSTR)QString(diskPath).utf16();
//DEBUG_TEST<<"盘符: "<<diskPath << GetDriveType(RootPathName);
if (GetDriveType(RootPathName) == DRIVE_REMOVABLE)
{
QString path(diskPath);
//this->AddDisk(path);
udisk_list_t udisk_tmp;
udisk_tmp.udisk_path = path;
udisk_tmp.is_check = true;
if( GetVolumeInformation(RootPathName,0,0,0,0,0,0,0) ) //判断驱动是否准备就绪
{
DEBUG_TEST<<"U盘准备就绪!"<<diskPath;
append_log("U盘准备就绪!" + path);
udisk_tmp.is_ready = true;
}
else
{
DEBUG_TEST<<"U盘未就绪!"<<diskPath;
append_log("U盘未就绪!"+path);
udisk_tmp.is_ready = false;
}
udisk_lists.append(udisk_tmp);
}
}
allDisk = allDisk>>1;
}
}
}
bool MainWindow::nativeEvent(const QByteArray &eventType, void *message, long *result)
{
MSG* msg = reinterpret_cast<MSG*>(message);
int msgType = msg->message;
if(msgType==WM_DEVICECHANGE)
{
PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)msg->lParam;
switch (msg->wParam) {
case DBT_DEVICEARRIVAL:
if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
if(lpdbv->dbcv_flags ==0)
{
QString USBDisk = QString(this->FirstDriveFromMask(lpdbv ->dbcv_unitmask));
DEBUG_TEST << "USB_Arrived and The USBDisk is: "<<USBDisk ;
append_log("USB_Arrived and The USBDisk is: "+USBDisk );
ScanHD();
tableWidget_DevInfo_Update();
}
}
break;
case DBT_DEVICEREMOVECOMPLETE:
if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
if(lpdbv->dbcv_flags == 0)
{
DEBUG_TEST << "USB_Removed";
QString USBDisk;
USBDisk = QString(this->FirstDriveFromMask(lpdbv ->dbcv_unitmask));
USBDisk += ":";
append_log("USB_Removed and The USBDisk is: "+ USBDisk );
//this->DeleteDisk(USBDisk);
DEBUG_TEST<<"this-delete is ="<<USBDisk;
ScanHD();
tableWidget_DevInfo_Update();
}
}
break;
}
}
return false;
}
格式化U盘
格式化U盘利用windows下cmd命令fomat,主要应用了使用QProcess调用exe
bool MainWindow::fomat_udisk(QString udisk_path)
{
QString program = "cmd.exe";
QStringList arguments;
arguments << "/c"<< "format " + udisk_path +" /FS:FAT32 /Q /Y";
DEBUG_TEST << program << arguments;
QProcess p;
p.start(program, arguments);
if (p.waitForStarted())
{
p.waitForFinished();
DEBUG_TEST << QString::fromLocal8Bit(p.readAllStandardOutput());
return true;
}
else
{
DEBUG_TEST << "Failed to start";
return false;
}
}
代码块
mainwindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <windows.h>
#include <dbt.h>
#include <QDir>
#include <QDebug>
#include <QDesktopWidget>
#include <QProcess>
#include <QCheckBox>
#if (QT_VERSION > QT_VERSION_CHECK(5,0,0))
#include <QtWidgets>
#endif
namespace Ui {
class MainWindow;
}
typedef struct udisk_list{
QString udisk_path;
bool is_ready;
bool is_check;
}udisk_list_t;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = 0);
~MainWindow();
//User definition
private:
//udisk
char FirstDriveFromMask (ULONG unitmask);
void ScanHD();
bool nativeEvent(const QByteArray & eventType, void * message, long*result);
void tableWidget_DevInfo_Init();
void tableWidget_DevInfo_Update();
bool fomat_udisk(QString udisk_path);
void append_log(QString);
//User definition slots
private slots:
void tableWidget_DevIsChecked();
void on_pushButton_Update_clicked();
void on_pushButton_Formater_clicked();
void on_pushButton_Show_clicked();
private:
Ui::MainWindow *ui;
QVector<udisk_list_t> udisk_lists;
};
#endif // MAINWINDOW_H
mainwindow.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
#define DEBUG_TEST qDebug()
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
tableWidget_DevInfo_Init();
ScanHD();
tableWidget_DevInfo_Update();
}
MainWindow::~MainWindow()
{
delete ui;
}
char MainWindow::FirstDriveFromMask(ULONG unitmask)
{
char i;
for (i = 0; i < 26; ++i)
{
if (unitmask & 0x1)
break;
unitmask = unitmask >> 1;
}
return (i + 'A');
}
//=================================================================================
//系统启动扫描已经连接的U盘 程序只会在系统执行时执行一次
//=================================================================================
void MainWindow::ScanHD()
{
DEBUG_TEST<<"U盘扫描";
char diskPath[5] = { 0 };
DWORD allDisk = GetLogicalDrives(); //返回一个32位整数,将他转换成二进制后,表示磁盘,最低位为A盘
udisk_lists.clear();
if (allDisk!=0)
{
for (int i=0;i<26;i++) //假定最多有12个磁盘从A开始计数
{
if ((allDisk & 1)==1)
{
sprintf( diskPath, "%c", 'A'+i );
strcat( diskPath, ":" );
LPCWSTR RootPathName =(LPCWSTR)QString(diskPath).utf16();
//DEBUG_TEST<<"盘符: "<<diskPath << GetDriveType(RootPathName);
if (GetDriveType(RootPathName) == DRIVE_REMOVABLE)
{
QString path(diskPath);
//this->AddDisk(path);
udisk_list_t udisk_tmp;
udisk_tmp.udisk_path = path;
udisk_tmp.is_check = true;
if( GetVolumeInformation(RootPathName,0,0,0,0,0,0,0) ) //判断驱动是否准备就绪
{
DEBUG_TEST<<"U盘准备就绪!"<<diskPath;
append_log("U盘准备就绪!" + path);
udisk_tmp.is_ready = true;
}
else
{
DEBUG_TEST<<"U盘未就绪!"<<diskPath;
append_log("U盘未就绪!"+path);
udisk_tmp.is_ready = false;
}
udisk_lists.append(udisk_tmp);
}
}
allDisk = allDisk>>1;
}
}
}
bool MainWindow::nativeEvent(const QByteArray &eventType, void *message, long *result)
{
MSG* msg = reinterpret_cast<MSG*>(message);
int msgType = msg->message;
if(msgType==WM_DEVICECHANGE)
{
PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)msg->lParam;
switch (msg->wParam) {
case DBT_DEVICEARRIVAL:
if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
if(lpdbv->dbcv_flags ==0)
{
QString USBDisk = QString(this->FirstDriveFromMask(lpdbv ->dbcv_unitmask));
DEBUG_TEST << "USB_Arrived and The USBDisk is: "<<USBDisk ;
append_log("USB_Arrived and The USBDisk is: "+USBDisk );
ScanHD();
tableWidget_DevInfo_Update();
}
}
break;
case DBT_DEVICEREMOVECOMPLETE:
if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
if(lpdbv->dbcv_flags == 0)
{
DEBUG_TEST << "USB_Removed";
QString USBDisk;
USBDisk = QString(this->FirstDriveFromMask(lpdbv ->dbcv_unitmask));
USBDisk += ":";
append_log("USB_Removed and The USBDisk is: "+ USBDisk );
//this->DeleteDisk(USBDisk);
DEBUG_TEST<<"this-delete is ="<<USBDisk;
ScanHD();
tableWidget_DevInfo_Update();
}
}
break;
}
}
return false;
}
void MainWindow::tableWidget_DevInfo_Init()
{
ui->tableWidget_DevInfo->setRowCount(2);
ui->tableWidget_DevInfo->setColumnCount(3);
//设置表头字体加粗
QFont font = ui->tableWidget_DevInfo->horizontalHeader()->font();
font.setBold(true);
ui->tableWidget_DevInfo->horizontalHeader()->setFont(font);
QStringList header;
header <<"选择操作"<<"可移动磁盘"<<"格式化";
ui->tableWidget_DevInfo->setHorizontalHeaderLabels(header);
// ui->tableWidget_DevInfo->resizeColumnsToContents(); //自适应宽度
ui->tableWidget_DevInfo->setColumnWidth(0,50);
ui->tableWidget_DevInfo->setColumnWidth(1,80);
ui->tableWidget_DevInfo->setColumnWidth(2,50);
ui->tableWidget_DevInfo->show();
}
void MainWindow::tableWidget_DevInfo_Update()
{
int row = udisk_lists.length();
//ui->tableWidget_DevInfo->clear();//此处会清表头
ui->tableWidget_DevInfo->clearContents();
ui->tableWidget_DevInfo->setRowCount(row+1);
for(int i=0; i<row; i++)
{
if(udisk_lists[i].is_ready)
ui->tableWidget_DevInfo->setItem(i, 1, new QTableWidgetItem(udisk_lists[i].udisk_path + " 准备就绪!"));
else
ui->tableWidget_DevInfo->setItem(i, 1, new QTableWidgetItem(udisk_lists[i].udisk_path + " 未就绪!"));
QCheckBox *ischeck = new QCheckBox();
connect(ischeck,SIGNAL(clicked()),this,SLOT(tableWidget_DevIsChecked()));
if(udisk_lists[i].is_check == true)
ischeck->setCheckState (Qt::Checked);
else
ischeck->setCheckState (Qt::Unchecked);
ui->tableWidget_DevInfo->setCellWidget(i,0,ischeck);
}
}
void MainWindow::tableWidget_DevIsChecked()
{
QCheckBox *senderObj=qobject_cast<QCheckBox*>(sender());
if(senderObj == nullptr)
{
return;
}
QModelIndex idx = ui->tableWidget_DevInfo->indexAt(QPoint(senderObj->frameGeometry().x(),senderObj->frameGeometry().y()));
int row=idx.row();
int col=idx.column();
// 其他响应信息......
udisk_lists[row].is_check = senderObj->isChecked();
DEBUG_TEST << "tableWidget_DevInfo is "<< senderObj->isChecked() << row << col;
}
bool MainWindow::fomat_udisk(QString udisk_path)
{
QString program = "cmd.exe";
QStringList arguments;
arguments << "/c"<< "format " + udisk_path +" /FS:FAT32 /Q /Y";
DEBUG_TEST << program << arguments;
QProcess p;
p.start(program, arguments);
if (p.waitForStarted())
{
p.waitForFinished();
DEBUG_TEST << QString::fromLocal8Bit(p.readAllStandardOutput());
return true;
}
else
{
DEBUG_TEST << "Failed to start";
return false;
}
}
void MainWindow::append_log(QString log)
{
ui->textEdit_Log->append(log);
}
void MainWindow::on_pushButton_Update_clicked()
{
ScanHD();
tableWidget_DevInfo_Update();
}
void MainWindow::on_pushButton_Show_clicked()
{
QString program = "explorer";
QStringList arguments;
int udisk_n = udisk_lists.length();
for(int i=0; i<udisk_n; ++i)
{
if(udisk_lists[i].is_check)
{
arguments.clear();
arguments << udisk_lists[i].udisk_path;
DEBUG_TEST << program << arguments;
QProcess p;
p.start(program, arguments);
if (p.waitForStarted())
{
p.waitForFinished();
DEBUG_TEST << QString::fromLocal8Bit(p.readAllStandardOutput());
}
else
{
DEBUG_TEST << "Failed to start";
}
}
}
}
void MainWindow::on_pushButton_Formater_clicked()
{
int row = udisk_lists.length();
append_log("开始格式化");
for(int i=0; i<row; i++)
{
ui->tableWidget_DevInfo->setItem(i, 2, new QTableWidgetItem(""));
if(udisk_lists[i].is_check == true)
{
ui->tableWidget_DevInfo->setItem(i, 2, new QTableWidgetItem("开始格式化"));
bool result = fomat_udisk(udisk_lists[i].udisk_path);
if(result)
{
ui->tableWidget_DevInfo->setItem(i, 2, new QTableWidgetItem("格式化成功"));
append_log(udisk_lists[i].udisk_path + " 格式化成功");
}
else
{
ui->tableWidget_DevInfo->setItem(i, 2, new QTableWidgetItem("格式化失败"));
append_log(udisk_lists[i].udisk_path + " 格式化失败");
}
}
}
}
本blog代码链接,欢迎下载验证。
文档 https://blog.csdn/u011720560/article/details/80401857
参考
- [1]: https://download.csdn/download/yanzi1225627/4514877
- [2]: http://blog.csdn/zhuyingqingfen/article/details/37726981
- [3]: https://blog.csdn/lmhuanying1012/article/details/78057398
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