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63 lines
1.4 KiB
63 lines
1.4 KiB
/******************************************************************
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Copyright © Deng Zhimao Co., Ltd. 1990-2030. All rights reserved.
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* @projectName fileview
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* @brief fileio.cpp
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* @author Deng Zhimao
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* @email 1252699831@qq.com
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* @date 2020-09-10
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* @note Open files must be in UTF-8 format
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*******************************************************************/
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#include "fileio.h"
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#include "QTextCodec"
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#include <QFile>
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FileIO::FileIO(QObject *parent) :
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QObject(parent)
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{
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}
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QString FileIO::read()
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{
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if (mSource.isEmpty()){
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emit error("source is empty");
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return QString();
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}
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QFile file(mSource);
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QString fileContent;
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if ( file.open(QIODevice::ReadOnly | QIODevice::Text) ) {
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QString line;
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QTextCodec *code = QTextCodec::codecForName("UTF-8");
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QTextStream t( &file );
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t.setCodec(code);
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do {
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line = t.readLine();
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fileContent += line + "\n";
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} while (!line.isNull());
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file.close();
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} else {
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emit error("Unable to open the file");
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return QString();
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}
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return fileContent;
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}
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bool FileIO::write(const QString& data)
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{
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if (mSource.isEmpty())
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return false;
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QFile file(mSource);
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if (!file.open(QFile::WriteOnly | QFile::Truncate))
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return false;
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QTextStream out(&file);
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out << data;
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file.close();
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return true;
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}
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