初始化以下变量并在QStatusBar中添加，每两个QLabel以竖线分割QLabel *m_testStateKeyLabel = nullptr; QLabel *m_testStateValueLabel = nullptr; QLabel *m_testOverTimeKeyLabel = nullptr; QLabel *m_testOverTimeValueLabel = nullptr; QLabel *m_flowOverTimeKeyLabel = nullptr; QLabel *m_flowOverTimeValueLabel = nullptr; QLabel *m_signalCharacteristicsValueLabel = nullptr; QLabel *m_deviationValueLabel = nullptr; QLabel *m_coolantKeyLabel = nullptr; QLabel *m_coolantValueLabel = nullptr;

下面是初始化变量并添加到QStatusBar的代码：

m_testStateKeyLabel = new QLabel("Test State:");
m_testStateValueLabel = new QLabel("N/A");
m_testOverTimeKeyLabel = new QLabel("| Test Over Time:");
m_testOverTimeValueLabel = new QLabel("N/A");
m_flowOverTimeKeyLabel = new QLabel("| Flow Over Time:");
m_flowOverTimeValueLabel = new QLabel("N/A");
m_signalCharacteristicsValueLabel = new QLabel("| Signal Characteristics:");
m_deviationValueLabel = new QLabel("N/A");
m_coolantKeyLabel = new QLabel("| Coolant:");
m_coolantValueLabel = new QLabel("N/A");

QStatusBar *statusBar = statusBar();
statusBar->addWidget(m_testStateKeyLabel);
statusBar->addWidget(m_testStateValueLabel);
statusBar->addWidget(m_testOverTimeKeyLabel);
statusBar->addWidget(m_testOverTimeValueLabel);
statusBar->addWidget(m_flowOverTimeKeyLabel);
statusBar->addWidget(m_flowOverTimeValueLabel);
statusBar->addWidget(m_signalCharacteristicsValueLabel);
statusBar->addWidget(m_deviationValueLabel);
statusBar->addWidget(m_coolantKeyLabel);
statusBar->addWidget(m_coolantValueLabel);

这将创建10个QLabel，并将其添加到QStatusBar中，每两个QLabel之间用竖线分隔。