Qt 文件目录操作
QDir 类提供访问系统目录结构
QDir 类提供对目录结构及其内容的访问。QDir 用于操作路径名、访问有关路径和文件的信息以及操作底层文件系统。它还可以用于访问 Qt 的资源系统。
Qt 使用“/”作为通用目录分隔符,与“/”在 URL 中用作路径分隔符的方式相同。如果您总是使用“/”作为目录分隔符,Qt 将转换您的路径以符合底层操作系统。
QDir 可以使用相对路径或绝对路径指向文件。绝对路径以目录分隔符开头(在 Windows 下,可以选择以驱动器规格开头)。相对文件名以目录名或文件名开头,并指定相对于当前目录的路径。
下面是QDir的一些常用方法:
- 构造函数:QDir(const QString &path = QString())
- 判断路径是否存在:bool exists() const;
- 判断是否是文件:bool isFile() const;
- 判断是否是文件夹:bool isDir() const;
- 获取当前路径:QString absolutePath() const;
- 获取文件名:QString fileName() const;
- 获取文件目录:QString dirName() const;
- 获取文件大小:qint64 size() const;
- 获取文件的创建时间:QDateTime created() const;
- 获取文件的最后修改时间:QDateTime lastModified() const;
main函数 main.cpp 文件:
#include "sample7_3QDirFile.h"
#include <QtWidgets/QApplication>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QCoreApplication::setOrganizationName("China University of Petroleum");
sample7_3QDirFile w;
w.show();
return a.exec();
}
sample7_3QDirFile.h 文件
#pragma once
#include <QtWidgets/QDialog>
#include "ui_sample7_3QDirFile.h"
#include <QFileSystemWatcher>
namespace Ui {
class sample7_3QDirFile;
}
class sample7_3QDirFile : public QDialog
{
Q_OBJECT
public:
sample7_3QDirFile(QWidget *parent = Q_NULLPTR);
~sample7_3QDirFile();
private:
Ui::sample7_3QDirFileClass *ui;
public slots:
void on_directoryChanged(const QString path);
void on_fileChanged(const QString path);
private:
QFileSystemWatcher fileWatcher;
void showBtnInfo(QObject* btn);
private slots:
///--------QCoreApplication类---------------
void on_pushButton_clicked();
void on_pushButton_2_clicked();
void on_pushButton_3_clicked();
void on_pushButton_4_clicked();
void on_pushButton_5_clicked();
void on_pushButton_6_clicked();
///--------QFile类-文件操作---------------
void on_pushButton_7_clicked();
void on_pushButton_8_clicked();
void on_pushButton_9_clicked();
void on_pushButton_10_clicked();
void on_pushButton_11_clicked();
void on_pushButton_12_clicked();
void on_pushButton_13_clicked();
void on_pushButton_14_clicked();
///--------QFileInfo类 - 文件信息---------------
void on_pushButton_15_clicked();
void on_pushButton_16_clicked();
void on_pushButton_17_clicked();
void on_pushButton_18_clicked();
void on_pushButton_19_clicked();
void on_pushButton_20_clicked();
void on_pushButton_21_clicked();
void on_pushButton_22_clicked();
void on_pushButton_23_clicked();
void on_pushButton_24_clicked();
void on_pushButton_25_clicked();
void on_pushButton_26_clicked();
void on_pushButton_27_clicked();
void on_pushButton_28_clicked();
void on_pushButton_29_clicked();
void on_pushButton_30_clicked();
void on_pushButton_31_clicked();
void on_pushButton_32_clicked();
///--------QDir类-目录操作---------------
void on_pushButton_33_clicked();
void on_pushButton_34_clicked();
void on_pushButton_35_clicked();
void on_pushButton_36_clicked();
void on_pushButton_37_clicked();
void on_pushButton_38_clicked();
void on_pushButton_39_clicked();
void on_pushButton_40_clicked();
void on_pushButton_41_clicked();
void on_pushButton_42_clicked();
void on_pushButton_43_clicked();
void on_pushButton_44_clicked();
void on_pushButton_45_clicked();
void on_pushButton_46_clicked();
void on_pushButton_47_clicked();
void on_pushButton_48_clicked();
void on_pushButton_49_clicked();
void on_pushButton_50_clicked();
void on_pushButton_51_clicked();
void on_pushButton_52_clicked();
///--------QTemporaryDir和QTemporaryFile---------------
void on_pushButton_53_clicked();
void on_pushButton_54_clicked();
///--------QFileSystemWatcher类---------------
void on_pushButton_55_clicked();
void on_pushButton_56_clicked();
void on_pushButton_57_clicked();
void on_pushButton_58_clicked();
//打开文件
void on_pushButton_59_clicked();
void on_pushButton_60_clicked();
void on_pushButton_61_clicked();
};
sample7_3QDirFile.cpp 文件:
#include "sample7_3QDirFile.h"
#include <QFileDialog>
#include <QDateTime>
#include <QTemporaryDir>
#include <QTemporaryFile>
//解决QT中中文显示乱码问题
#pragma execution_character_set("utf-8")
sample7_3QDirFile::sample7_3QDirFile(QWidget *parent)
: QDialog(parent)
{
ui->setupUi(this);
this->setWindowFlags(Qt::Window);
}
sample7_3QDirFile::~sample7_3QDirFile()
{
delete ui;
}
//显示btn的信息
void sample7_3QDirFile::showBtnInfo(QObject *btn)
{
QPushButton *theBtn = static_cast<QPushButton*>(btn);
ui->plainTextEdit->appendPlainText(theBtn->text());
ui->plainTextEdit->appendPlainText(theBtn->toolTip() + "\n");
}
//directoryChanged()信号的槽函数
void sample7_3QDirFile::on_directoryChanged(const QString path)
{
ui->plainTextEdit->appendPlainText(path);
ui->plainTextEdit->appendPlainText("目录发生了变化\n");
}
//fileChanged()信号的槽函数
void sample7_3QDirFile::on_fileChanged(const QString path)
{
ui->plainTextEdit->appendPlainText(path);
ui->plainTextEdit->appendPlainText("文件发生了变化\n");
}
///--------QCoreApplication类---------------
void sample7_3QDirFile::on_pushButton_clicked()
{
showBtnInfo(sender());
QString str = QCoreApplication::applicationDirPath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_2_clicked()
{
showBtnInfo(sender());
QString str = QCoreApplication::applicationFilePath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_3_clicked()
{
showBtnInfo(sender());
QString str = QCoreApplication::applicationName();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_4_clicked()
{
showBtnInfo(sender());
QStringList strList = QCoreApplication::libraryPaths();
for (int i = 0; i < strList.count(); i++)
{
ui->plainTextEdit->appendPlainText(strList.at(i));
}
ui->plainTextEdit->appendPlainText("");
}
void sample7_3QDirFile::on_pushButton_5_clicked()
{
showBtnInfo(sender());
QString str = QCoreApplication::organizationName();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_6_clicked()
{
QCoreApplication::exit();
}
///--------QFile类-文件操作---------------
void sample7_3QDirFile::on_pushButton_7_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
QFileInfo fileInfo(sous);//
QString newFile = fileInfo.path() + "/" + fileInfo.baseName() + "--副本." + fileInfo.suffix();
QFile::copy(sous, newFile);
ui->plainTextEdit->appendPlainText("源文件:" + sous);
ui->plainTextEdit->appendPlainText("复制为文件:" + newFile + "\n");
}
void sample7_3QDirFile::on_pushButton_8_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
bool the = QFile::exists(sous);
if (the)
{
ui->plainTextEdit->appendPlainText(+"true \n");
}
else
{
ui->plainTextEdit->appendPlainText(+"false \n");
}
}
void sample7_3QDirFile::on_pushButton_9_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
QFile::remove(sous);
ui->plainTextEdit->appendPlainText("删除文件:" + sous + "\n");
}
//QFile::rename()
void sample7_3QDirFile::on_pushButton_10_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
QFileInfo fileInfo(sous);//源文件信息
QString newFile = fileInfo.path() + "/" + fileInfo.baseName() + ".XYZ"; //更改文件后缀为".XYZ"
QFile::rename(sous, newFile); //重命名文件
ui->plainTextEdit->appendPlainText("源文件:" + sous);
ui->plainTextEdit->appendPlainText("重命名为:" + newFile + "\n");
}
void sample7_3QDirFile::on_pushButton_11_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
QFile file(sous);
QFileInfo fileInfo(sous);//
QString newFile = fileInfo.path() + "/" + fileInfo.baseName() + "--副本." + fileInfo.suffix();
file.copy(newFile);
ui->plainTextEdit->appendPlainText("源文件:" + sous);
ui->plainTextEdit->appendPlainText("复制为文件:" + newFile + "\n");
}
void sample7_3QDirFile::on_pushButton_12_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
QFile file(sous);
bool the = file.exists();
if (the)
ui->plainTextEdit->appendPlainText(+"true \n");
else
ui->plainTextEdit->appendPlainText(+"false \n");
}
void sample7_3QDirFile::on_pushButton_13_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
QFile file(sous);
file.remove();
ui->plainTextEdit->appendPlainText("删除文件:" + sous + "\n");
}
//QFile.rename()
void sample7_3QDirFile::on_pushButton_14_clicked()
{
showBtnInfo(sender());
QString sous = ui->editFile->text(); //源文件
QFile file(sous); //源文件对象
QFileInfo fileInfo(sous);//源文件信息
QString newFile = fileInfo.path() + "/" + fileInfo.baseName() + ".XYZ"; //修改文件后缀为“.XYZ”
file.rename(newFile); //重命名文件
ui->plainTextEdit->appendPlainText("源文件:" + sous);
ui->plainTextEdit->appendPlainText("重命名为:" + newFile + "\n");
}
///--------QFileInfo类 - 文件信息---------------
//QFileInfo::absoluteFilePath()
void sample7_3QDirFile::on_pushButton_15_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.absoluteFilePath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
//QFileInfo::absolutePath()
void sample7_3QDirFile::on_pushButton_16_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.absolutePath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_17_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.fileName();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_18_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.filePath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
//QFileInfo.size()
void sample7_3QDirFile::on_pushButton_19_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
qint64 dt = fileInfo.size();
QString str = QString("%1 Bytes").arg(dt);
ui->plainTextEdit->appendPlainText(str + "\n");
}
//QFileInfo.path()
void sample7_3QDirFile::on_pushButton_20_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.path();
ui->plainTextEdit->appendPlainText(str + "\n");
}
//QFileInfo.basename()
void sample7_3QDirFile::on_pushButton_21_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.baseName();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_22_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.completeBaseName();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_23_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.suffix();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_24_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QString str = fileInfo.completeSuffix();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_25_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editDir->text());
bool the = fileInfo.isDir();
if (the)
ui->plainTextEdit->appendPlainText(+"true \n");
else
ui->plainTextEdit->appendPlainText(+"false \n");
}
void sample7_3QDirFile::on_pushButton_26_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
bool the = fileInfo.isFile();
if (the)
ui->plainTextEdit->appendPlainText(+"true \n");
else
ui->plainTextEdit->appendPlainText(+"false \n");
}
void sample7_3QDirFile::on_pushButton_27_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
bool the = fileInfo.isExecutable();
if (the)
ui->plainTextEdit->appendPlainText(+"true \n");
else
ui->plainTextEdit->appendPlainText(+"false \n");
}
void sample7_3QDirFile::on_pushButton_28_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QDateTime dt = fileInfo.created();
QString str = dt.toString("yyyy-MM-dd hh:mm:ss");
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_29_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QDateTime dt = fileInfo.lastModified();
QString str = dt.toString("yyyy-MM-dd hh:mm:ss");
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_30_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
QDateTime dt = fileInfo.lastRead();
QString str = dt.toString("yyyy-MM-dd hh:mm:ss");
ui->plainTextEdit->appendPlainText(str + "\n");
}
//静态函数exists()
void sample7_3QDirFile::on_pushButton_31_clicked()
{
showBtnInfo(sender());
bool the = QFileInfo::exists(ui->editFile->text());
if (the)
ui->plainTextEdit->appendPlainText(+"true \n");
else
ui->plainTextEdit->appendPlainText(+"false \n");
}
void sample7_3QDirFile::on_pushButton_32_clicked()
{
showBtnInfo(sender());
QFileInfo fileInfo(ui->editFile->text());
bool the = fileInfo.exists();
if (the)
ui->plainTextEdit->appendPlainText(+"true \n");
else
ui->plainTextEdit->appendPlainText(+"false \n");
}
///--------QDir类-目录操作---------------
void sample7_3QDirFile::on_pushButton_33_clicked()
{
showBtnInfo(sender());
QString str = QDir::tempPath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_34_clicked()
{
showBtnInfo(sender());
QString str = QDir::rootPath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_35_clicked()
{
showBtnInfo(sender());
QString str = QDir::homePath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_36_clicked()
{
showBtnInfo(sender());
QFileInfoList strList = QDir::drives();
for (int i = 0; i < strList.count(); i++)
{
ui->plainTextEdit->appendPlainText(strList.at(i).path());
}
ui->plainTextEdit->appendPlainText("\n");
}
void sample7_3QDirFile::on_pushButton_37_clicked()
{
showBtnInfo(sender());
QString str = QDir::currentPath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_38_clicked()
{
showBtnInfo(sender());
QDir::setCurrent(ui->editDir->text());
QString str = QDir::currentPath();
ui->editDir->setText(str);
ui->plainTextEdit->appendPlainText("设置当前路径为:" + str + "\n");
}
//-----文件和目录操作------
void sample7_3QDirFile::on_pushButton_39_clicked()
{
showBtnInfo(sender());
QString subDir = "subdir1";
QDir dir(ui->editDir->text());
bool ok = dir.mkdir(subDir);
if (ok)
{
ui->plainTextEdit->appendPlainText("所选目录下成功新建一个目录 " + subDir + "\n");
}
else
{
ui->plainTextEdit->appendPlainText("创建目录失败\n");
}
}
void sample7_3QDirFile::on_pushButton_40_clicked()
{
showBtnInfo(sender());
QString sous(ui->editDir->text());
QDir dir(sous);
bool ok = dir.rmdir(sous);
if (ok)
{
ui->plainTextEdit->appendPlainText("成功删除所选目录\n" + sous + "\n");
}
else
{
ui->plainTextEdit->appendPlainText("删除失败\n");
}
}
void sample7_3QDirFile::on_pushButton_41_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QString sous(ui->editFile->text());
bool ok = dir.remove(sous);
if (ok)
{
ui->plainTextEdit->appendPlainText("删除文件:" + sous + "\n");
}
else
{
ui->plainTextEdit->appendPlainText("删除文件失败\n");
}
}
void sample7_3QDirFile::on_pushButton_42_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QString sous = ui->editFile->text(); //源文件
QFileInfo fileInfo(sous);//
QString newFile = fileInfo.path() + "/" + fileInfo.baseName() + ".XYZ";
dir.rename(sous, newFile);
ui->plainTextEdit->appendPlainText("源文件:" + sous);
ui->plainTextEdit->appendPlainText("重命名为:" + newFile + "\n");
}
void sample7_3QDirFile::on_pushButton_43_clicked()
{
showBtnInfo(sender());
QString curDir = QDir::currentPath();
QDir lastDir(curDir);
ui->plainTextEdit->appendPlainText("选择目录之前:" + lastDir.absolutePath());
QString aDir = QFileDialog::getExistingDirectory(this, "选择一个目录", curDir, QFileDialog::ShowDirsOnly);
if (aDir.isEmpty())
{
return;
}
ui->editDir->setText(aDir);
lastDir.setPath(aDir);
ui->plainTextEdit->appendPlainText("选择目录之后:" + lastDir.absolutePath() + "\n");
}
void sample7_3QDirFile::on_pushButton_44_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
bool ok = dir.removeRecursively();
if (ok)
{
ui->plainTextEdit->appendPlainText("删除目录及文件成功\n");
}
else
{
ui->plainTextEdit->appendPlainText("删除目录及文件失败\n");
}
}
//-----文件或目录信息------
void sample7_3QDirFile::on_pushButton_45_clicked()
{//absoluteFilePath(),
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QString str = dir.absoluteFilePath(ui->editFile->text());
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_46_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QString str = dir.absolutePath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_47_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QString str = dir.canonicalPath();
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_48_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QString str = dir.filePath(ui->editFile->text());
ui->plainTextEdit->appendPlainText(str + "\n");
}
void sample7_3QDirFile::on_pushButton_49_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
bool the = dir.exists();
if (the)
ui->plainTextEdit->appendPlainText("true \n");
else
ui->plainTextEdit->appendPlainText("false \n");
}
void sample7_3QDirFile::on_pushButton_50_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QString str = dir.dirName();
ui->plainTextEdit->appendPlainText(str + "\n");
}
//列出子目录
void sample7_3QDirFile::on_pushButton_51_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QStringList strList = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
ui->plainTextEdit->appendPlainText("所选目录下的所有目录:");
for (int i = 0; i < strList.count(); i++)
{
ui->plainTextEdit->appendPlainText(strList.at(i));
}
ui->plainTextEdit->appendPlainText("\n");
}
//列出所有文件
void sample7_3QDirFile::on_pushButton_52_clicked()
{
showBtnInfo(sender());
QDir dir(ui->editDir->text());
QStringList strList = dir.entryList(QDir::Files);
ui->plainTextEdit->appendPlainText("所选目录下的所有文件:");
for (int i = 0; i < strList.count(); i++)
{
ui->plainTextEdit->appendPlainText(strList.at(i));
}
ui->plainTextEdit->appendPlainText("\n");
}
///--------QTemporaryDir和QTemporaryFile---------------
//QTemporaryDir
void sample7_3QDirFile::on_pushButton_53_clicked()
{
showBtnInfo(sender());
QTemporaryDir dir;
dir.setAutoRemove(true);
ui->plainTextEdit->appendPlainText(dir.path() + "\n");
}
//QTemporaryFile
void sample7_3QDirFile::on_pushButton_54_clicked()
{
showBtnInfo(sender());
QTemporaryFile aFile;
aFile.setAutoRemove(true);
aFile.open();
ui->plainTextEdit->appendPlainText(aFile.fileName() + "\n");
}
///--------QFileSystemWatcher类---------------
//开始监听,addPath()
void sample7_3QDirFile::on_pushButton_55_clicked()
{
showBtnInfo(sender());
ui->plainTextEdit->appendPlainText("监听目录:" + ui->editDir->text() + "\n");
fileWatcher.addPath(ui->editDir->text());//添加监听目录
fileWatcher.addPath(ui->editFile->text());//添加监听文件
QObject::connect(&fileWatcher, &QFileSystemWatcher::directoryChanged,
this, &sample7_3QDirFile::on_directoryChanged); //directoryChanged
QObject::connect(&fileWatcher, &QFileSystemWatcher::fileChanged,
this, &sample7_3QDirFile::on_fileChanged); //fileChanged
}
//停止监听,removePath()
void sample7_3QDirFile::on_pushButton_56_clicked()
{
showBtnInfo(sender());
ui->plainTextEdit->appendPlainText("停止监听目录:" + ui->editDir->text() + "\n");
fileWatcher.removePath(ui->editDir->text());//
fileWatcher.removePath(ui->editFile->text());//
QObject::disconnect(&fileWatcher, &QFileSystemWatcher::directoryChanged,
this, &sample7_3QDirFile::on_directoryChanged); //directoryChanged
QObject::disconnect(&fileWatcher, &QFileSystemWatcher::fileChanged,
this, &sample7_3QDirFile::on_fileChanged); //fileChanged
}
//显示监听目录,directories()
void sample7_3QDirFile::on_pushButton_57_clicked()
{
showBtnInfo(sender());
QStringList strList = fileWatcher.directories();
for (int i = 0; i < strList.count(); i++)
{
ui->plainTextEdit->appendPlainText(strList.at(i));
}
ui->plainTextEdit->appendPlainText("");
}
//显示监听文件,files()
void sample7_3QDirFile::on_pushButton_58_clicked()
{
showBtnInfo(sender());
QStringList strList = fileWatcher.files();
for (int i = 0; i < strList.count(); i++)
{
ui->plainTextEdit->appendPlainText(strList.at(i));
}
ui->plainTextEdit->appendPlainText("");
}
//打开文件
void sample7_3QDirFile::on_pushButton_59_clicked()
{
QString curDir = QDir::currentPath();
QString aFile = QFileDialog::getOpenFileName(this, "打开一个文件", curDir, "所有文件(*.*)");
ui->editFile->setText(aFile);
}
void sample7_3QDirFile::on_pushButton_60_clicked()
{
QString curDir = QDir::currentPath();
QString aDir = QFileDialog::getExistingDirectory(this, "选择一个目录", curDir, QFileDialog::ShowDirsOnly);
ui->editDir->setText(aDir);
}
void sample7_3QDirFile::on_pushButton_61_clicked()
{
ui->plainTextEdit->clear();
}