pyside6中使用matplotlib画折线图

最新推荐文章于 2025-10-06 00:06:19 发布

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最新推荐文章于 2025-10-06 00:06:19 发布 · 1k 阅读

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#matplotlib #python #pyqt

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(