pyqt5 plotwidget背景颜色
时间: 2023-04-12 13:00:56 浏览: 120
可以通过设置QPalette来改变PlotWidget的背景颜色,具体代码如下:
```python
from PyQt5.QtGui import QPalette, QColor
from PyQt5.QtWidgets import QApplication, QMainWindow, QSizePolicy
from PyQt5.QtChart import QChart, QChartView, QLineSeries
app = QApplication([])
window = QMainWindow()
chart = QChart()
series = QLineSeries()
series.append(0, 1)
series.append(1, 3)
series.append(2, 4)
series.append(3, 2)
series.append(4, 5)
chart.addSeries(series)
chart.setTitle("Line Chart Example")
chart.createDefaultAxes()
chartView = QChartView(chart)
chartView.setRenderHint(QPainter.Antialiasing)
# 设置背景颜色
palette = QPalette()
palette.setColor(QPalette.Background, QColor(255, 255, 255))
chartView.setPalette(palette)
window.setCentralWidget(chartView)
window.resize(400, 300)
window.show()
app.exec_()
```
这段代码可以创建一个简单的折线图,并将背景颜色设置为白色。