pyqt5与matplotlib的完美结合实例
具体用到了matplotlib.backends.backend_qt5agg.FigureCanvasQTAgg
直接上代码(这里给出的只是一个简单的框架，告诉你怎么去写)：
#-*-coding:utf-8-*-
'''
TODO:LQD
'''
importsys
importnumpyasnp
importmatplotlib.pyplotasplt
frommatplotlib.backends.backend_qt5aggimportFigureCanvasQTAggasFC
fromPyQt5.QtWidgetsimportQApplication,QPushButton,QMainWindow,QVBoxLayout,QWidget
classQtDraw(QMainWindow):
flag_btn_start=True
def__init__(self):
super(QtDraw,self).__init__()
self.init_ui()
definit_ui(self):
self.resize(800,600)
self.setWindowTitle('PyQt5Draw')
#TODO:这里是结合的关键
self.fig=plt.Figure()
self.canvas=FC(self.fig)
self.btn_start=QPushButton(self)
self.btn_start.setText('draw')
self.btn_start.clicked.connect(self.slot_btn_start)
widget=QWidget()
layout=QVBoxLayout()
layout.addWidget(self.canvas)
layout.addWidget(self.btn_start)
widget.setLayout(layout)
self.setCentralWidget(widget)
defslot_btn_start(self):
try:
ax=self.fig.add_subplot(111)
x=np.linspace(0,100,100)
y=np.random.random(100)
ax.cla()#TODO:删除原图，让画布上只有新的一次的图
ax.plot(x,y)
self.canvas.draw()#TODO:这里开始绘制
exceptExceptionase:
print(e)
defui_main():
app=QApplication(sys.argv)
w=QtDraw()
w.show()
sys.exit(app.exec_())
if__name__=='__main__':
ui_main()
以上这篇pyqt5与matplotlib的完美结合实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持毛票票。