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http://blog.csdn.net/siren0203

头文件

getInfo.h

#ifndef HEADER_H<br /> #define HEADER_H<br /> #include <QDialog><br /> #include <QObject><br /> class QPushButton;<br /> class QLineEdit;<br /> class QPushButton;<br /> class QLabel;<br /> class QVBoxLayout;<br /> class QHBoxLayout;<br /> class QGridLayout;<br /> class getFileInfo: public QDialog{<br /> Q_OBJECT<br /> public:<br /> getFileInfo();<br /> public:<br /> QPushButton *openFile;<br /> QPushButton *getInfo;<br /> QLineEdit *filename;<br /> QLineEdit *editSize;<br /> QLineEdit *editCreateTime;<br /> QLineEdit *editUpdateTime;<br /> QLineEdit *editLastVTime;<br /> QLabel *labelFilename;<br /> QLabel *labelSize;<br /> QLabel *labelCreateTime;<br /> QLabel *labelUpdateTime;<br /> QLabel *labelLastVTime;<br /> QVBoxLayout *vbox;<br /> QHBoxLayout *hbox;<br /> QGridLayout *gbox;<br /> public slots:<br /> void openFileDlg();<br /> void getFileDlg();</p> <p>};<br /> #endif // HEADER_H<br />

程序实现代码

main.cpp

#include <QApplication><br /> #include <QFileDialog><br /> #include <QPushButton><br /> #include <QLineEdit><br /> #include <QLabel><br /> #include <QVBoxLayout><br /> #include <QHBoxLayout><br /> #include <QGridLayout><br /> #include <QTextCodec><br /> #include <QDialog><br /> #include <QFileInfo><br /> #include <QDateTime><br /> #include "getInfo.h"<br /> getFileInfo::getFileInfo(){<br /> openFile=new QPushButton(tr("打开"));<br /> getInfo=new QPushButton(tr("获取信息"));<br /> editSize=new QLineEdit(this);<br /> editCreateTime=new QLineEdit(this);<br /> editUpdateTime=new QLineEdit(this);<br /> editLastVTime=new QLineEdit(this);<br /> filename=new QLineEdit(this);<br /> labelFilename=new QLabel(tr("文件名"));<br /> labelSize=new QLabel(tr("文件大小"));<br /> labelCreateTime=new QLabel(tr("创建时间"));<br /> labelUpdateTime=new QLabel(tr("修改时间"));<br /> labelLastVTime=new QLabel(tr("最后访问时间"));<br /> gbox=new QGridLayout(this);<br /> gbox->addWidget(labelFilename,0,1);<br /> gbox->addWidget(filename,0,2);<br /> gbox->addWidget(openFile,0,3);<br /> gbox->addWidget(labelSize,1,1);<br /> gbox->addWidget(editSize,1,2);<br /> gbox->addWidget(labelCreateTime,2,1);<br /> gbox->addWidget(editCreateTime,2,2);<br /> gbox->addWidget(labelUpdateTime,3,1);<br /> gbox->addWidget(editUpdateTime,3,2);<br /> gbox->addWidget(labelLastVTime,4,1);<br /> gbox->addWidget(editLastVTime,4,2);</p> <p> hbox=new QHBoxLayout(this);<br /> hbox->addWidget(getInfo);<br /> gbox->addLayout(hbox,5,2);<br /> setLayout(gbox);<br /> //关联信号到槽..<br /> connect(openFile,SIGNAL(clicked()),this,SLOT(openFileDlg()));<br /> connect(getInfo,SIGNAL(clicked()),this,SLOT(getFileDlg()));<br /> setWindowTitle(tr("斯人http://blog.csdn.net/siren0203"));<br /> }<br /> //打开文件<br /> void getFileInfo::openFileDlg(){<br /> QString files=QFileDialog::getOpenFileName(this);<br /> filename->setText(files);<br /> }<br /> //获取文件信息<br /> void getFileInfo::getFileDlg(){<br /> //打开文件<br /> QFileInfo f(filename->text());<br /> //获取文件创建时间<br /> QDateTime createTime=f.created();<br /> //获取文件最后更新时间<br /> QDateTime updateTime=f.lastModified();<br /> //获取文件最后浏览时间<br /> QDateTime lastRTime=f.lastRead();<br /> //显示属性<br /> editSize->setText(QString("%1").arg(f.size()));<br /> editCreateTime->setText(createTime.toString());<br /> editUpdateTime->setText(updateTime.toString());<br /> editLastVTime->setText(lastRTime.toString());<br /> }<br /> int main(int argc,char ** argv){<br /> QApplication app(argc,argv);<br /> QTextCodec::setCodecForTr(QTextCodec::codecForName("gb2312"));<br /> getFileInfo info;<br /> info.show();<br /> return app.exec();<br /> }