class myHelper:public QObject { public: //设置为开机启动 static void AutoRunWithSystem(bool IsAutoRun, QString AppName, QString AppPath) { QSettings *reg=new QSettings( "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run", QSettings::NativeFormat); if (IsAutoRun){reg->setValue(AppName,AppPath);} else{reg->setValue(AppName,"");} } //设置编码为GB2312 static void SetGB2312Code() { QTextCodec *codec=QTextCodec::codecForName("GB2312"); QTextCodec::setCodecForLocale(codec); } //设置编码为UTF8 static void SetUTF8Code() { QTextCodec *codec=QTextCodec::codecForName("UTF-8"); QTextCodec::setCodecForLocale(codec); } //设置应用程序样式 static void SetStyle() { QString qss=""; qss+="QLineEdit{border:1px solid gray;border-radius:7px;padding:3px;}"; qss+="QListWidget{border:1px solid gray;}"; qss+="QListWidget::item{padding:0px;margin:3px;}"; qss+="QTreeWidget{border:1px solid gray;}"; qss+="QTreeWidget::item{padding:0px;margin:3px;}"; qss+="QTableWidget{border:1px solid gray;}"; qss+="QTableView{border:1px solid gray;}"; qss+="QScrollArea{border:1px solid gray;}"; qApp->setStyleSheet(qss); } //判断是否是IP地址 static bool IsIP(QString IP) { QRegExp RegExp("((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)"); return RegExp.exactMatch(IP); } //显示信息框,仅确定按钮 static void ShowMessageBoxInfo(QString info) { QMessageBox msg; msg.setStyleSheet("font: 12pt '宋体';"); msg.setWindowTitle("提示"); msg.setText(info); msg.setIcon(QMessageBox::Information); msg.setCursor(QCursor(Qt::PointingHandCursor)); msg.addButton("确定",QMessageBox::ActionRole); msg.exec(); } //显示错误框,仅确定按钮 static void ShowMessageBoxError(QString info) { QMessageBox msg; msg.setStyleSheet("font: 12pt '宋体';"); msg.setWindowTitle("错误"); msg.setText(info); msg.setIcon(QMessageBox::Critical); msg.setCursor(QCursor(Qt::PointingHandCursor)); msg.addButton("确定",QMessageBox::ActionRole); msg.exec(); } //显示询问框,确定和取消按钮 static int ShowMessageBoxQuesion(QString info) { QMessageBox msg; msg.setStyleSheet("font: 12pt '宋体';"); msg.setWindowTitle("询问"); msg.setText(info); msg.setIcon(QMessageBox::Question); msg.setCursor(QCursor(Qt::PointingHandCursor)); msg.addButton("确定",QMessageBox::ActionRole); msg.addButton("取消",QMessageBox::RejectRole); return msg.exec(); } //显示标准输入框 static QString ShowInputBox(QWidget *frm,QString info) { bool ok; return QInputDialog::getText(frm,"提示",info,QLineEdit::Password,"",&ok); } //16进制字符串转字节数组 static QByteArray HexStrToByteArray(QString str) { QByteArray senddata; int hexdata,lowhexdata; int hexdatalen = 0; int len = str.length(); senddata.resize(len/2); char lstr,hstr; for(int i=0; i<len; ) { hstr=str[i].toLatin1(); if(hstr == ' ') { i++; continue; } i++; if(i >= len) break; lstr = str[i].toLatin1(); hexdata = ConvertHexChar(hstr); lowhexdata = ConvertHexChar(lstr); if((hexdata == 16) || (lowhexdata == 16)) break; else hexdata = hexdata*16+lowhexdata; i++; senddata[hexdatalen] = (char)hexdata; hexdatalen++; } senddata.resize(hexdatalen); return senddata; } static char ConvertHexChar(char ch) { if((ch >= '0') && (ch <= '9')) return ch-0x30; else if((ch >= 'A') && (ch <= 'F')) return ch-'A'+10; else if((ch >= 'a') && (ch <= 'f')) return ch-'a'+10; else return (-1); } //字节数组转16进制字符串 static QString ByteArrayToHexStr(QByteArray data) { QString temp=""; QString hex=data.toHex(); for (int i=0;i<hex.length();i=i+2){ temp+=hex.mid(i,2)+" "; } return temp.trimmed().toUpper(); } //16进制字符串转10进制 static int StrHexToDecimal(QString strHex) { bool ok; return strHex.toInt(&ok,16); } //10进制字符串转10进制 static int StrDecimalToDecimal(QString strDecimal) { bool ok; return strDecimal.toInt(&ok,10); } //2进制字符串转10进制 static int StrBinToDecimal(QString strBin) { bool ok; return strBin.toInt(&ok,2); } //16进制字符串转2进制字符串 static QString StrHexToStrBin(QString strHex) { uchar decimal=StrHexToDecimal(strHex); QString bin=QString::number(decimal,2); uchar len=bin.length(); if (len<8){ for (int i=0;i<8-len;i++){ bin="0"+bin; } } return bin; } //10进制转2进制字符串一个字节 static QString DecimalToStrBin1(int decimal) { QString bin=QString::number(decimal,2); uchar len=bin.length(); if (len<=8){ for (int i=0;i<8-len;i++){ bin="0"+bin; } } return bin; } //10进制转2进制字符串两个字节 static QString DecimalToStrBin2(int decimal) { QString bin=QString::number(decimal,2); uchar len=bin.length(); if (len<=16){ for (int i=0;i<16-len;i++){ bin="0"+bin; } } return bin; } //10进制转16进制字符串,补零. static QString DecimalToStrHex(int decimal) { QString temp=QString::number(decimal,16); if (temp.length()==1){ temp="0"+temp; } return temp; } //延时 static void Sleep(int sec) { QTime dieTime = QTime::currentTime().addMSecs(sec); while( QTime::currentTime() < dieTime ) QCoreApplication::processEvents(QEventLoop::AllEvents, 100); } //设置系统日期时间 static void SetSystemDateTime(int year,int month,int day,int hour,int min,int sec) { QProcess p(0); p.start("cmd"); p.waitForStarted(); p.write(QString("date %1-%2-%3 ").arg(year).arg(month).arg(day).toLatin1()); p.closeWriteChannel(); p.waitForFinished(1000); p.close(); p.start("cmd"); p.waitForStarted(); p.write(QString("time %1:%2:%3.00 ").arg(hour).arg(min).arg(sec).toLatin1()); p.closeWriteChannel(); p.waitForFinished(1000); p.close(); } //窗体居中,并且只有关闭按钮,不能调整大小 static void FormOnlyCloseInCenter(QWidget *frm,int deskWidth,int deskHeigth) { int frmX=frm->width(); int frmY=frm->height(); QPoint movePoint(deskWidth/2-frmX/2,deskHeigth/2-frmY/2); frm->move(movePoint); //窗体居中 frm->setFixedSize(frmX,frmY); //窗体不能调整大小 frm->setWindowFlags(frm->windowFlags() & Qt::WindowCloseButtonHint);//窗体只有关闭按钮 frm->setAttribute(Qt::WA_DeleteOnClose); //关闭时自动释放资源 } //窗体居中显示 static void FormInCenter(QWidget *frm,int deskWidth,int deskHeigth) { int frmX=frm->width(); int frmY=frm->height(); QPoint movePoint(deskWidth/2-frmX/2,deskHeigth/2-frmY/2); frm->move(movePoint); } //窗体不能改变大小 static void FormNotResize(QWidget *frm) { frm->setFixedSize(frm->width(),frm->height()); } //获取选择的文件 static QString GetFileName(QString filter) { return QFileDialog::getOpenFileName(0,"选择文件",QCoreApplication::applicationDirPath(),filter); } //获取选择的文件集合 static QStringList GetFileNames(QString filter) { return QFileDialog::getOpenFileNames(0,"选择文件",QCoreApplication::applicationDirPath(),filter); } //获取选择的目录 static QString GetFolderName() { return QFileDialog::getExistingDirectory();; } //获取文件名,含拓展名 static QString GetFileNameWithExtension(QString strFilePath) { QFileInfo fileInfo(strFilePath); return fileInfo.fileName(); } //获取选择文件夹中的文件 static QStringList GetFolderFileNames(QStringList filter) { QStringList fileList; QString strFolder = QFileDialog::getExistingDirectory(); if (!strFolder.length()==0){ QDir myFolder(strFolder); if (myFolder.exists()){ fileList= myFolder.entryList(filter); } } return fileList; } //文件夹是否存在 static bool FolderIsExist(QString strFolder) { QDir tempFolder(strFolder); return tempFolder.exists(); } //文件是否存在 static bool FileIsExist(QString strFile) { QFile tempFile(strFile); return tempFile.exists(); } //复制文件 static bool CopyFile(QString sourceFile, QString targetFile) { if (FileIsExist(targetFile)){ int ret=QMessageBox::information(0,"提示","文件已经存在,是否替换?",QMessageBox::Yes | QMessageBox::No); if (ret!=QMessageBox::Yes){ return false; } } return QFile::copy(sourceFile,targetFile); } //异或加密算法 static QString getXorEncryptDecrypt(QString str, char key) { QByteArray data=str.toLatin1(); int size=data.size(); for(int i=0; i<size; i++){ data[i] = data[i] ^ key; } return QLatin1String(data); } };