85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
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#include "ExQString.h"
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#include "ui_ExQString.h"
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#include <QString>
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ExQString::ExQString(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::ExQString)
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{
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ui->setupUi(this);
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setWindowTitle(QObject::tr("2/8/10/16进制互相转化"));
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}
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ExQString::~ExQString()
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{
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delete ui;
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}
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void ExQString::on_btnResult_clicked()
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{
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float a = ui->editA->text().toFloat();
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float b = ui->editB->text().toFloat();
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float m_val = a * b;
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QString str = QString::number(static_cast<double>(m_val), 'f', 2);
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ui->editC->setText(str);
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}
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void ExQString::on_btn2_clicked()
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{
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QString str = ui->edit2->text();
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bool ok;
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int val = str.toInt(&ok, 2); //获取二进制
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str = str.setNum(val, 8); //显示八进制
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ui->edit8->setText(str);
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str = str.setNum(val, 10); //显示十进制
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ui->edit10->setText(str);
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str = str.setNum(val, 16); //显示十六进制
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ui->edit16->setText(str);
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}
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void ExQString::on_btn8_clicked()
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{
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QString str = ui->edit8->text();
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bool ok;
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int val = str.toInt(&ok, 8);
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str = str.setNum(val, 2);
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ui->edit2->setText(str);
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str = str.setNum(val, 10);
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ui->edit10->setText(str);
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str = str.setNum(val, 16);
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ui->edit16->setText(str);
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}
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void ExQString::on_btn10_clicked()
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{
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QString str = ui->edit10->text();
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bool ok;
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int val = str.toInt(&ok, 10);
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str = str.setNum(val, 2);
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ui->edit2->setText(str);
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str = str.setNum(val, 8);
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ui->edit8->setText(str);
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str = str.setNum(val, 16);
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ui->edit16->setText(str);
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}
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void ExQString::on_btn16_clicked()
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{
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QString str = ui->edit16->text();
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bool ok;
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int val = str.toInt(&ok, 16);
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str = str.setNum(val, 2);
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ui->edit2->setText(str);
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str = str.setNum(val, 8);
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ui->edit8->setText(str);
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str = str.setNum(val, 10);
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ui->edit10->setText(str);
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}
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