FileViewr.h
#ifndef FILEVIEWR_H#define FILEVIEWR_H#include#include "ui_fileviewr.h"class FileViewr : public QDialog{ Q_OBJECTpublic: FileViewr(QWidget *parent = 0, Qt::WFlags flags = 0); ~FileViewr();private: Ui::FileViewrClass ui; QLineEdit *LineEditDir; QListWidget *ListWidaetFile; void showFileInfoList(QFileInfoList list);private slots: void slotShow(QDir dir); void slotShowDir(QListWidgetItem *item);};#endif // FILEVIEWR_H
FileViewr.cpp
#include "fileviewr.h"FileViewr::FileViewr(QWidget *parent, Qt::WFlags flags) : QDialog(parent, flags){ ui.setupUi(this); setWindowTitle(tr("File views")); LineEditDir=new QLineEdit(); LineEditDir->setText("/"); ListWidaetFile=new QListWidget(); QVBoxLayout *layout=new QVBoxLayout(this); layout->addWidget(LineEditDir); layout->addWidget(ListWidaetFile); connect(LineEditDir,SIGNAL(returnPressed()),this,SLOT(slotShow())); connect(ListWidaetFile,SIGNAL(itemDoubleClicked(QListWidgetItem *)),this,SLOT(slotShowDir(QListWidgetItem *))); QString root="/"; QDir rootDir(root); QStringList string; string<<"*"; QFileInfoList list=rootDir.entryInfoList(string); showFileInfoList(list);}FileViewr::~FileViewr(){}/* * slotShow 负责显示dir目录下的所有文件 **/void FileViewr::slotShow(QDir dir){ QStringList string; string <<"*"; QFileInfoList list=dir.entryInfoList (string,QDir::AllEntries,QDir::DirsFirst); showFileInfoList(list);}void FileViewr::slotShowDir(QListWidgetItem *item){ QString str=item->text(); QDir dir; dir.setPath(LineEditDir->text()); dir.cd(str); LineEditDir->setText(dir.absolutePath()); slotShow(dir);}void FileViewr::showFileInfoList(QFileInfoList list){ ListWidaetFile->clear(); for(unsigned int i=0;i addItem(tmp); }else{ QIcon icon(":/images/file.png"); QString fileName=temFileinfo.fileName(); QListWidgetItem *tmp=new QListWidgetItem(icon,fileName); ListWidaetFile->addItem(tmp); } }} main.cpp
#include "fileviewr.h"#includeint main(int argc, char *argv[]){ QApplication a(argc, argv); FileViewr *w=new FileViewr; w->show(); return a.exec();}