| 组件 | 获取值方法 | 设置值方法 |
|---|---|---|
| QLineEdit | text() | setText() |
| QTextEdit | toPlainText() | setPlainText() |
| QSpinBox | value() | setValue() |
| QDoubleSpinBox | value() | setValue() |
| QDateEdit | date() | setDate() |
| QTimeEdit | time() | setTime() |
| QDateTimeEdit | dateTime() | setDateTime() |
| QComboBox | currentText() | setCurrentText() |