下面是自己的實際工作中寫的程式碼，請大家斧正

#ifndefINQUIRYDIALOG_H

#defineINQUIRYDIALOG_H

#include<QDialog>

#include<QFileDialog>

#include<QDir>

#include<QDesktopServices>

#include<QUrl>

#include<QProgressDialog>

namespaceUi{

classInquiryDialog;

}

classInquiryDialog:publicQDialog

{

Q_OBJECT

public:

explicit
 
InquiryDialog(QWidget*parent=0);

~InquiryDialog();

voidExecuteSearch(constQDir&dir,constQString&form,constQString&content);

QStringListFindFiles(constQDir&dir,constQString&form,constQString&content);

QStringListfindfile(constQDir&dir,constQString&content);

voidShowFiles(const
 
QDir&dir,constQString&form,constQStringList&files);

privateslots:

voidopenPathBtn_clicked();

voidinquiryBtn_clicked();

voidcloseInquiryBtn_clicked();

voidopenFileOfItem(introw,intcolumn);

private:

Ui::InquiryDialog*ui;

QDircurrentDir;

QStringListfiles;

intm_nCOunt;

voidcreatedTableWidget();

};

#endif
 
//INQUIRYDIALOG_H

#include"inquirydialog.h"

#include"ui_inquirydialog.h"

#include<QDebug>

#include<QTextDocument>

InquiryDialog::InquiryDialog(QWidget*parent):

QDialog(parent),

ui(newUi::InquiryDialog)

{

ui->setupUi(this);

createdTableWidget();

connect(ui->openPathBtn,SIGNAL(clicked()),this,SLOT(openPathBtn_clicked()));

connect(ui->inquiryBtn,SIGNAL(clicked()),this,SLOT(inquiryBtn_clicked()));

connect(ui->closeInquiryBtn,SIGNAL(clicked()),this,SLOT(closeInquiryBtn_clicked()));

QStringcurrentPath;

QDirdir;

currentPath=dir.currentPath();

qDebug()<<"path"<<currentPath;

ui->pathBox->addItem(currentPath);

}

InquiryDialog::~InquiryDialog()

{

deleteui;

}

voidInquiryDialog::createdTableWidget()

{

ui->m_TxtlineEdit->setPlaceholderText("檔名字首或字尾");

ui->inquiryWidget->setFocus();

ui->foundLabel->setText(tr("找到0個檔案"));

ui->inquiryWidget->horizontalHeader()->setResizeMode(0,QHeaderView::ResizeToContents);

ui->inquiryWidget->horizontalHeader()->setResizeMode(1,QHeaderView::Stretch);

ui->inquiryWidget->horizontalHeader()->setResizeMode(2,QHeaderView::ResizeToContents);

connect(ui->inquiryWidget,SIGNAL(cellActivated(int,int)),this,SLOT(openFileOfItem(int,int)));

}

voidInquiryDialog::openFileOfItem(introw,int)

{

QTableWidgetItem*item=ui->inquiryWidget->item(row,0);

QDesktopServices::openUrl(QUrl::fromLocalFile(currentDir.absoluteFilePath(item->text())));

}

voidInquiryDialog::openPathBtn_clicked()

{

QStringdir=QFileDialog::getExistingDirectory(this,tr("開啟檔案"),QDir::currentPath());

if(!dir.isEmpty())

{

if(ui->pathBox->findText(dir)==-1)

ui->pathBox->addItem(dir);

ui->pathBox->setCurrentIndex(ui->pathBox->findText(dir));

}

}

voidInquiryDialog::inquiryBtn_clicked()

{

ui->inquiryWidget->setRowCount(0);

m_nCOunt=0;

ui->m_txtBox->isChecked();

QStringdir=ui->pathBox->currentText();

QStringcontent=ui->m_TxtlineEdit->text();

QStringform=ui->formBox->currentText();

ExecuteSearch(QDir(dir),form,content);

}

voidInquiryDialog::ExecuteSearch(constQDir&dir,constQString&form,constQString&content)

{

if(ui->m_txtBox->isChecked())

{

QStringListfolders=dir.entryList(QDir::Dirs|QDir::NoDotAndDotDot);

for(inti=0;i<folders.size();i++)

{

qApp->processEvents();

QStringstrDir=QString(tr("%1/%2")).arg(dir.absolutePath()).arg(folders[i]);

ExecuteSearch(strDir,form,content);

}

}

QStringListfiles=FindFiles(dir,form,content);

ShowFiles(dir,form,files);

m_nCOunt+=files.size();

ui->foundLabel->setText(tr("找到%1個檔案").arg(m_nCOunt));

}

QStringListInquiryDialog::FindFiles(constQDir&dir,constQString&form,constQString&content)

{

files=dir.entryList(QStringList(form),QDir::Files|QDir::NoSymLinks);

QStringListfilesList;

if(content.isEmpty())

{

returnfiles;

}

filesList=findfile(dir,content);

returnfilesList;

}

QStringListInquiryDialog::findfile(constQDir&dir,constQString&content)

{

QStringListfindFiles;

QStringstrSffix;

QStringstrBaseName;

QStringstr;

for(inti=0;i<files.size();i++)

{

qApp->processEvents();

QFilefile(dir.absoluteFilePath(files[i]));

QFileInfofileInfo(file);

strSffix=fileInfo.suffix();

strBaseName=fileInfo.baseName();

//qDebug()<<"strSffix"<<strSffix<<"**********";

qDebug()<<"strBaseName"<<strBaseName<<"****";

if((content==strSffix)||(content==fileInfo.baseName()))

{

if(file.open(QIODevice::ReadOnly))

{

QStringline;

QTextStreaminstream(&file);

while(!instream.atEnd())

{

line=instream.readLine();

findFiles<<files[i];

break;

}

}

}

//else

{

//for(intk=0;k<strBaseName.length();k++)

//{

//str.append(strBaseName.at(k));

//if(content==strBaseName.at(k)||content==str)

//{

//if(file.open(QIODevice::ReadOnly))

//{

//QStringline;

//QTextStreaminstream(&file);

//while(!instream.atEnd())

//{

//line=instream.readLine();

//findFiles<<files[i];

//break;

//}

//}

//break;

//}

//}

}

}

returnfindFiles;

}

voidInquiryDialog::ShowFiles(constQDir&dir,constQString&form,constQStringList&files)

{

for(inti=0;i<files.size();i++)

{

QStringpermit;

QFilefile(dir.absoluteFilePath(files[i]));

qint64size=QFileInfo(file).size();

QFileInfofileInfo(file);

QStringtime=fileInfo.lastModified().toString("yyyy/MM/ddhh:mm:ss");

if(fileInfo.isWritable())

{

permit="可寫";

}

elseif(fileInfo.isReadable())

{

permit="可讀";

}

QTableWidgetItem*pTimeItem=newQTableWidgetItem(time);

QTableWidgetItem*pPermitItem=newQTableWidgetItem(permit);

QTableWidgetItem*fileNameItem=newQTableWidgetItem(files[i]);

fileNameItem->setFlags(fileNameItem->flags()^Qt::ItemIsEditable);

QTableWidgetItem*sizeItem=newQTableWidgetItem(tr("%1KB")

.arg(int((size+1023)/1024)));

//sizeItem->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);//設定左對齊屬性

sizeItem->setFlags(sizeItem->flags()^Qt::ItemIsEditable);

introw=ui->inquiryWidget->rowCount();

ui->inquiryWidget->insertRow(row);

ui->inquiryWidget->setItem(row,0,fileNameItem);

ui->inquiryWidget->setItem(row,1,sizeItem);

ui->inquiryWidget->setItem(row,2,pTimeItem);

ui->inquiryWidget->setItem(row,3,pPermitItem);

}

}

voidInquiryDialog::closeInquiryBtn_clicked()

{

close();

}

下面是執行圖