用C++代码写出在QT中按下不同的sequenceRadioButton = new QRadioButton(tr("顺序读写")); 和randomRadioButton = new QRadioButton(tr("随机读写")); 显示这些控件countLabel = new QLabel(tr("测试次数")); countEdit = new QLineEdit(); startButton = new QPushButton(tr("开始测试"));stopButton = new QPushButton(tr("停止测试")); readLabel = new QLabel(tr("读速度")); readEdit = new QTextEdit(); readEdit->setReadOnly(true); writeLabel = new QLabel(tr("写速度"));writeEdit = new QTextEdit(); writeEdit->setReadOnly(true);复用这些控件，在这些控件里显示不同的内容

以下是用C++代码实现在QT中按下不同的sequenceRadioButton和randomRadioButton显示不同控件内容的示例：

#include <QtWidgets>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    // 创建主窗口
    QWidget mainWidget;
    mainWidget.setWindowTitle(QObject::tr("读写测试"));
    mainWidget.resize(400, 300);

    // 创建QStackedWidget控件
    QStackedWidget stackedWidget(&mainWidget);

    // 创建顺序读写QWidget
    QWidget sequenceWidget;
    QVBoxLayout sequenceLayout(&sequenceWidget);

    QLabel sequenceLabel(QObject::tr("顺序读写"));
    sequenceLayout.addWidget(&sequenceLabel);

    QLabel sequenceCountLabel(QObject::tr("测试次数"));
    sequenceLayout.addWidget(&sequenceCountLabel);

    QLineEdit sequenceCountEdit;
    sequenceLayout.addWidget(&sequenceCountEdit);

    QPushButton sequenceStartButton(QObject::tr("开始测试"));
    sequenceLayout.addWidget(&sequenceStartButton);

    QPushButton sequenceStopButton(QObject::tr("停止测试"));
    sequenceLayout.addWidget(&sequenceStopButton);

    QLabel sequenceReadLabel(QObject::tr("读速度"));
    sequenceLayout.addWidget(&sequenceReadLabel);

    QTextEdit sequenceReadEdit;
    sequenceReadEdit.setReadOnly(true);
    sequenceLayout.addWidget(&sequenceReadEdit);

    QLabel sequenceWriteLabel(QObject::tr("写速度"));
    sequenceLayout.addWidget(&sequenceWriteLabel);

    QTextEdit sequenceWriteEdit;
    sequenceWriteEdit.setReadOnly(true);
    sequenceLayout.addWidget(&sequenceWriteEdit);

    // 创建随机读写QWidget
    QWidget randomWidget;
    QVBoxLayout randomLayout(&randomWidget);

    QLabel randomLabel(QObject::tr("随机读写"));
    randomLayout.addWidget(&randomLabel);

    QLabel randomCountLabel(QObject::tr("测试次数"));
    randomLayout.addWidget(&randomCountLabel);

    QLineEdit randomCountEdit;
    randomLayout.addWidget(&randomCountEdit);

    QPushButton randomStartButton(QObject::tr("开始测试"));
    randomLayout.addWidget(&randomStartButton);

    QPushButton randomStopButton(QObject::tr("停止测试"));
    randomLayout.addWidget(&randomStopButton);

    QLabel randomReadLabel(QObject::tr("读速度"));
    randomLayout.addWidget(&randomReadLabel);

    QTextEdit randomReadEdit;
    randomReadEdit.setReadOnly(true);
    randomLayout.addWidget(&randomReadEdit);

    QLabel randomWriteLabel(QObject::tr("写速度"));
    randomLayout.addWidget(&randomWriteLabel);

    QTextEdit randomWriteEdit;
    randomWriteEdit.setReadOnly(true);
    randomLayout.addWidget(&randomWriteEdit);

    // 将QWidget添加到QStackedWidget中
    stackedWidget.addWidget(&sequenceWidget);
    stackedWidget.addWidget(&randomWidget);

    // 创建顺序读写QRadioButton
    QRadioButton sequenceRadioButton(QObject::tr("顺序读写"));
    QObject::connect(&sequenceRadioButton, &QRadioButton::clicked, [&stackedWidget]() {
        stackedWidget.setCurrentIndex(0);
    });

    // 创建随机读写QRadioButton
    QRadioButton randomRadioButton(QObject::tr("随机读写"));
    QObject::connect(&randomRadioButton, &QRadioButton::clicked, [&stackedWidget]() {
        stackedWidget.setCurrentIndex(1);
    });

    // 创建布局
    QVBoxLayout mainLayout(&mainWidget);
    mainLayout.addWidget(&sequenceRadioButton);
    mainLayout.addWidget(&randomRadioButton);
    mainLayout.addWidget(&stackedWidget);

    // 显示主窗口
    mainWidget.show();

    return app.exec();
}

您可以根据需要进行修改和优化。