PyQt5 Matplotlib图-使用用户输入进行更新

pip install PyQt5 matplotlib

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel, QLineEdit, QPushButton
from PyQt5.QtCore import Qt
import matplotlib.pyplot as plt

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("PyQt5 Matplotlib图-使用用户输入进行更新")
        self.setGeometry(100, 100, 500, 400)

        self.label = QLabel("输入数据:", self)
        self.label.setGeometry(50, 50, 100, 30)

        self.textbox = QLineEdit(self)
        self.textbox.setGeometry(150, 50, 200, 30)

        self.button = QPushButton("更新图表", self)
        self.button.setGeometry(150, 100, 100, 30)
        self.button.clicked.connect(self.update_chart)

        self.chart = None

    def update_chart(self):
        data = self.textbox.text()  # 获取文本框中的输入数据
        data_list = [int(x) for x in data.split(",")]  # 将输入数据转换为整数列表

        if self.chart is None:
            self.chart = plt.figure()

        plt.clf()  # 清空图表
        plt.plot(data_list)  # 绘制折线图
        plt.xlabel("X轴")
        plt.ylabel("Y轴")
        plt.title("用户输入数据图表")

        plt.show()  # 显示图表

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())