class TestReadFile : public QWidget

{

	Q_OBJECT



public:

	TestReadFile()	: QWidget()

	{

		treeWidget = new QTreeWidget(this);

		treeWidget->setColumnCount(2);



		QStringList strColumnTitle;

		strColumnTitle.append(tr("时间"));

		strColumnTitle.append(tr("吞吐量"));

		treeWidget->setColumnWidth(0,80);

		treeWidget->setColumnWidth(1,50);

		treeWidget->setHeaderLabels(strColumnTitle);

		treeWidget->setSelectionMode(QAbstractItemView::SingleSelection);



		editFileName = new QPlainTextEdit(this);

		editFileName->setMaximumWidth(50);

		editFileName->setMaximumHeight(30);

		btnDoProcess = new QPushButton(this);

		btnDoProcess->setText(tr("读取"));

		btnDoProcess->setMaximumWidth(50);



		QVBoxLayout* layout = new QVBoxLayout(this);

		layout->addWidget(editFileName);

		layout->addWidget(btnDoProcess);

		layout->addWidget(treeWidget);



		connect(btnDoProcess,SIGNAL(clicked()),this,SLOT(doProcess()));



		setLayout(layout);	

	}

	~TestReadFile() {}

private slots:

	void doProcess()

	{

		QString fileName  = QApplication::applicationDirPath() + "\\" + editFileName->toPlainText();

		QFile fp(fileName);

		QVector<float> valueArray;

		if(fp.open(fp.ReadOnly))

		{

			QTextStream ts(&fp);

			QString strLine = "";

			QStringList NVPair;

			bool bSuccess = false;

			float fTime = 0.0f;

			while(!ts.atEnd())

			{

				strLine = ts.readLine();

				NVPair = strLine.split(":");

				if (NVPair.size() != 2)

					continue;

				fTime = NVPair[1].toFloat(&bSuccess);

				if (bSuccess)

				{

					QTreeWidgetItem* newItem = new QTreeWidgetItem(treeWidget, NVPair);

					valueArray.append(fTime);

				}

			}

			fp.close();

		}

	}



private:

	QTreeWidget *treeWidget;

	QPlainTextEdit *editFileName;

	QPushButton *btnDoProcess;

};