pyside6中使用matplotlib画折线图

最新推荐文章于 2025-03-01 19:14:54 发布

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最新推荐文章于 2025-03-01 19:14:54 发布

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文章标签： matplotlib python pyqt

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pyside6中使用matplotlib画折线图

在这里插入图片描述



import sys
import time
import random
import numpy as np
from datetime import datetime, timedelta
from PySide6.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget
from PySide6.QtCore import QTimer
from matplotlib.backends.backend_qtagg import FigureCanvasQTAgg, NavigationToolbar2QT
from matplotlib.figure import Figure
from matplotlib.widgets import SpanSelector
from matplotlib.dates import date2num, num2date, DateFormatter
import matplotlib.pyplot as plt

# 设置字体为SimHei显示中文
plt.rcParams['font.sans-serif']=['SimHei']
# 设置正常显示符号
plt.rcParams['axes.unicode_minus']=False



class DynamicPlot(FigureCanvasQTAgg):
    def __init__(self, parent=None, width=5, height=4, dpi=100):
        fig = Figure(figsize=(width, height), dpi=dpi)
        self.axes = fig.add_subplot(111)
        super().__init__(fig)

        self.xdata, self.ydata = [], []
        self.line = None
        self.timer = QTimer()
        self.timer.timeout.connect(self.update_plot)
        self.timer.start(1000)

        self.axes.grid(