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83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
#include "FITKAbstractTextWriter.h"
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#include <iomanip>
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#include <math.h>
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namespace Interface
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{
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//打开文件流
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bool FITKAbstractTextWriter::openFileStream()
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{
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_file = new QFile(_fileName);
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if (_file->exists())_file->remove();
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if (!_file->open(QIODevice::ReadWrite | QIODevice::NewOnly))
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{
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closeFileStream();
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return false;
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}
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_stream = new QTextStream(_file);
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return true;
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}
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//关闭文件流
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bool FITKAbstractTextWriter::closeFileStream()
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{
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if (_stream != nullptr)
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{
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delete _stream;
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_stream = nullptr;
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}
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if (_file != nullptr)
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{
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_file->close();
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delete _file;
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_file = nullptr;
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}
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return true;
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}
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QString FITKAbstractTextWriter::double2String(double d, int prec, int width1, char f)
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{
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QRegExp reg;
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QString strNumber = QString("%1").arg(d, 0, f, prec);
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QString rtStr = strNumber;
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//判断0
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if (fabs(d) < 1e-16)
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{
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strNumber = "0.";
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}
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else if (f == 'g' && (fabs(d) >= 1e+6 || fabs(d) <= 1e-5))
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{
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strNumber = QString("%1").arg(d, 0, 'e', prec - 1);
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}
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if (strNumber.contains("e"))
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{
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reg.setPattern("0+\\e");
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rtStr = strNumber.replace(reg, "e");
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}
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else if (strNumber.contains("E"))
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{
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reg.setPattern("0+\\E");
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rtStr = strNumber.replace(reg, "e");
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}
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else if (!strNumber.contains("."))
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{
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rtStr = strNumber + ".";
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}
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else
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{
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reg.setPattern("0+$");
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rtStr = strNumber.replace(reg, "");
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}
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rtStr = rtStr.replace(".e", "e");
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rtStr = rtStr.rightJustified(width1, ' ');
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return rtStr;
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}
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QString FITKAbstractTextWriter::int2String(int d, int width1)
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{
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QString rtStr = QString::number(d);
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return rtStr.rightJustified(width1, ' ');;
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}
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}
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