SpeedNumCube/sncprojects/lib/SNCCube/dialogprefile.cpp

#include "dialogprefile.h"
#include "ui_dialogprefile.h"
#include <QtGui>
#include "sncdatabase.h"
DialogPreFile::DialogPreFile(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::DialogPreFile)
{
    ui->setupUi(this);
}

DialogPreFile::~DialogPreFile()
{
    delete ui;
}

void DialogPreFile::on_pushButtonLoadFile_clicked()
{
    QString fileName = getOpenFileName();
    if (fileName.isEmpty())
    {
        return ;
    }
    QFile file(fileName);
    if(!file.open(QIODevice::ReadOnly))
    {
        return;
    }
    QTextStream in(&file);
    ui->plainTextEdit->setPlainText(in.readAll());
    file.close();
}
QString DialogPreFile::getOpenFileName()
{
    QFileDialog::Options options;
    QString selectedFilter;
    QString importDir = SNCDataBase::getImportDir();
    if(importDir.isEmpty())
    {
        importDir = QDesktopServices::storageLocation(QDesktopServices::DesktopLocation);
    }
    QString fileName = QFileDialog::getOpenFileName(this,
                                "导入文件",importDir,
                                tr("Text Files (*.txt)"),
                                &selectedFilter,
                                options);
    if(!fileName.isEmpty())
    {
        QFileInfo fileInfo(fileName);
        importDir = fileInfo.absolutePath();
        SNCDataBase::updateImportDir(importDir);
    }
    return fileName;
}

void DialogPreFile::on_pushButtonReplace1_clicked()
{
    //替换首位为1的号码
    QString source = ui->plainTextEdit->toPlainText();
    QRegExp reg("^[\\d]{1}");
    QString dest;
    QStringList list = source.split("\n");
    QTime t;
    t.start();
    for(int i=0;i<100000;i++)
    {
        dest  = dest +  list[i].replace(reg,"") + "\n";
    }
    qDebug()<<t.elapsed();
    t.start();
    ui->plainTextEdit->setPlainText(dest);
    qDebug()<<t.elapsed();

}