send_QT.rar_QT_qt 线程

#include <QtGui> #include <QFile> #include <QTextStream> #include"ui_convertdialog.h" #include "convertdialog.h" //send ConvertDialog::ConvertDialog(QWidget *parent) : QDialog(parent) { setupUi(this); QPushButton *convertButton = buttonBox->button(QDialogButtonBox::Ok); convertButton->setText(tr("&send")); convertButton->setEnabled(false); connect(convertButton, SIGNAL(clicked()), this, SLOT(convertImage())); connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject())); // connect(&process, SIGNAL(readyReadStandardError()), // this, SLOT(updateOutputTextEdit())); connect(&process, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus))); connect(&process, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError))); connect(&process, SIGNAL(readyRead()), this, SLOT(readOutput())); } void ConvertDialog::on_browseButton_clicked() { QString initialName = sourceFileEdit->text(); if (initialName.isEmpty()) initialName = QDir::homePath(); fileNames = QFileDialog::getOpenFileNames(this, tr("Select one or more files to open"), initialName/*, tr("dat (*.dat)")*/); //fileName = QDir::toNativeSeparators(fileName); QString fileName = QFileInfo(fileNames.at(0)).path(); //out.txt// //out txt// if (!fileName.isEmpty()) { sourceFileEdit->setText(fileName); buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true); } } void ConvertDialog::convertImage() { QString sourceFile = sourceFileEdit->text(); // targetFile = QFileInfo(sourceFile).path() + QDir::separator() // + QFileInfo(sourceFile).baseName() + "." // + targetFormatComboBox->currentText().toLower(); buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false); outputTextEdit->clear(); QStringList args; if (enhanceCheckBox->isChecked()) args << "200"; if (monochromeCheckBox->isChecked()) args << "400"; if (k300->isChecked()) args << "800"; if (k400->isChecked()) args << "1600"; args <<fileNames;// << targetFile QString path = QDir::currentPath(); QString path1 = path + "/test"; //yun xing cheng xu QString path2 = path + "/swriteconf"; //pei zhi wen jian process1.start( path2,args); for(int x=0;x<1000;x++) { ; } process.start(/*"convert"*/path1, args); ///home/defeng2008/QT/chap12/imageconverter-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____ } //void ConvertDialog::updateOutputTextEdit() //{ // QByteArray newData = process.readAllStandardError(); // QString text = outputTextEdit->toPlainText() // + QString::fromLocal8Bit(newData); // outputTextEdit->setPlainText(text); //} void ConvertDialog::processFinished(int exitCode, QProcess::ExitStatus exitStatus) { if (exitStatus == QProcess::CrashExit) { outputTextEdit->append(tr("send program crashed")); } else if (exitCode != 0) { outputTextEdit->append(tr("send failed").arg(targetFile)); } else { outputTextEdit->append(tr("send ok").arg(targetFile)); } buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true); } void ConvertDialog::processError(QProcess::ProcessError error) { if (error == QProcess::FailedToStart) { outputTextEdit->append(tr("send program not found")); buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true); } } void ConvertDialog::readOutput() { output += process.readAll(); outputTextEdit->setText(output); }