{"id":1118545,"date":"2025-01-08T18:36:22","date_gmt":"2025-01-08T10:36:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1118545.html"},"modified":"2025-01-08T18:36:24","modified_gmt":"2025-01-08T10:36:24","slug":"python%e5%a6%82%e4%bd%95%e5%9c%a8qt%e9%87%8c%e7%94%bb%e6%9b%b2%e7%ba%bf%e5%9b%be","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1118545.html","title":{"rendered":"python\u5982\u4f55\u5728qt\u91cc\u753b\u66f2\u7ebf\u56fe"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25082004\/45bf0567-2fc3-4673-8e9a-246a7ca7a686.webp\" alt=\"python\u5982\u4f55\u5728qt\u91cc\u753b\u66f2\u7ebf\u56fe\" \/><\/p>\n<p><p> <strong>Python\u5728Qt\u4e2d\u753b\u66f2\u7ebf\u56fe\u7684\u65b9\u6cd5\u6709\u4f7f\u7528Qt\u81ea\u5e26\u7684QP<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>nter\u7c7b\u3001\u7ed3\u5408Matplotlib\u5e93\u3001\u4f7f\u7528PyQtGraph\u5e93\u7b49\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528PyQtGraph\u5e93\u662f\u4e00\u79cd\u65b9\u4fbf\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u4e13\u95e8\u7528\u4e8e\u5728Qt\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8fdb\u884c\u5b9e\u65f6\u6570\u636e\u7ed8\u5236\u548c\u5feb\u901f\u56fe\u5f62\u7ed8\u5236\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528PyQtGraph\u5e93\u5728Qt\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7ed8\u5236\u66f2\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p><p><strong>PyQtGraph\u5e93\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u9ad8\u6027\u80fd\u3001\u6613\u7528\u6027\u548c\u4e0eQt\u7684\u826f\u597d\u96c6\u6210\u3002<\/strong>\u63a5\u4e0b\u6765\uff0c\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u7684Qt\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528PyQtGraph\u5e93\u7ed8\u5236\u66f2\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001\u5b89\u88c5\u6240\u9700\u5e93<\/h2>\n<\/p>\n<p><p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5PyQt5\u548cPyQtGraph\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install PyQt5 pyqtgraph<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u4e8c\u3001\u521b\u5efa\u57fa\u672c\u7684Qt\u5e94\u7528\u7a0b\u5e8f<\/h2>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u57fa\u672c\u7684Qt\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>from PyQt5.QtWidgets import QApplication, QMainWindow<\/p>\n<p>class MainWindow(QMainWindow):<\/p>\n<p>    def __init__(self):<\/p>\n<p>        super().__init__()<\/p>\n<p>        self.setWindowTitle(&quot;PyQtGraph Plot Example&quot;)<\/p>\n<p>        self.setGeometry(100, 100, 800, 600)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    app = QApplication(sys.argv)<\/p>\n<p>    window = MainWindow()<\/p>\n<p>    window.show()<\/p>\n<p>    sys.exit(app.exec_())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u57fa\u672c\u7684Qt\u5e94\u7528\u7a0b\u5e8f\u7a97\u53e3\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001\u4f7f\u7528PyQtGraph\u7ed8\u5236\u66f2\u7ebf\u56fe<\/h2>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528PyQtGraph\u5e93\u5728Qt\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7ed8\u5236\u66f2\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p><h3>1\u3001\u5bfc\u5165PyQtGraph\u5e93<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u5bfc\u5165PyQtGraph\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pyqtgraph as pg<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>2\u3001\u521b\u5efa\u7ed8\u56fe\u7a97\u53e3<\/h3>\n<\/p>\n<p><p>\u5728<code>MainWindow<\/code>\u7c7b\u4e2d\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2aPyQtGraph\u7684\u7ed8\u56fe\u7a97\u53e3\uff0c\u5e76\u6dfb\u52a0\u5230Qt\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u7a97\u53e3\u4e2d\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class MainWindow(QMainWindow):<\/p>\n<p>    def __init__(self):<\/p>\n<p>        super().__init__()<\/p>\n<p>        self.setWindowTitle(&quot;PyQtGraph Plot Example&quot;)<\/p>\n<p>        self.setGeometry(100, 100, 800, 600)<\/p>\n<p>        # \u521b\u5efa\u4e00\u4e2a\u7ed8\u56fe\u7a97\u53e3<\/p>\n<p>        self.plot_widget = pg.PlotWidget()<\/p>\n<p>        self.setCentralWidget(self.plot_widget)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>3\u3001\u7ed8\u5236\u66f2\u7ebf\u56fe<\/h3>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u751f\u6210\u4e00\u4e9b\u6570\u636e\uff0c\u5e76\u4f7f\u7528PyQtGraph\u7ed8\u5236\u66f2\u7ebf\u56fe\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>class MainWindow(QMainWindow):<\/p>\n<p>    def __init__(self):<\/p>\n<p>        super().__init__()<\/p>\n<p>        self.setWindowTitle(&quot;PyQtGraph Plot Example&quot;)<\/p>\n<p>        self.setGeometry(100, 100, 800, 600)<\/p>\n<p>        # \u521b\u5efa\u4e00\u4e2a\u7ed8\u56fe\u7a97\u53e3<\/p>\n<p>        self.plot_widget = pg.PlotWidget()<\/p>\n<p>        self.setCentralWidget(self.plot_widget)<\/p>\n<p>        # \u751f\u6210\u6570\u636e<\/p>\n<p>        x = np.linspace(0, 10, 100)<\/p>\n<p>        y = np.sin(x)<\/p>\n<p>        # \u7ed8\u5236\u66f2\u7ebf\u56fe<\/p>\n<p>        self.plot_widget.plot(x, y, pen=pg.mkPen(color=&#39;b&#39;, width=2))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>numpy<\/code>\u5e93\u751f\u6210\u4e86x\u548cy\u6570\u636e\uff0c\u5e76\u4f7f\u7528<code>plot_widget.plot<\/code>\u65b9\u6cd5\u5c06\u6570\u636e\u7ed8\u5236\u6210\u66f2\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p><h2>\u56db\u3001\u6dfb\u52a0\u66f4\u591a\u7684\u56fe\u5f62\u5143\u7d20<\/h2>\n<\/p>\n<p><p>\u9664\u4e86\u57fa\u672c\u7684\u66f2\u7ebf\u56fe\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u66f4\u591a\u7684\u56fe\u5f62\u5143\u7d20\uff0c\u4f8b\u5982\u7f51\u683c\u3001\u6807\u9898\u3001\u6807\u7b7e\u7b49\u3002<\/p>\n<\/p>\n<p><h3>1\u3001\u6dfb\u52a0\u7f51\u683c<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>showGrid<\/code>\u65b9\u6cd5\u6dfb\u52a0\u7f51\u683c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">self.plot_widget.showGrid(x=True, y=True)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>2\u3001\u6dfb\u52a0\u6807\u9898\u548c\u6807\u7b7e<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>setTitle<\/code>\u3001<code>setLabel<\/code>\u65b9\u6cd5\u6dfb\u52a0\u6807\u9898\u548c\u6807\u7b7e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">self.plot_widget.setTitle(&quot;Sine Wave&quot;)<\/p>\n<p>self.plot_widget.setLabel(&#39;left&#39;, &#39;Y-Axis&#39;)<\/p>\n<p>self.plot_widget.setLabel(&#39;bottom&#39;, &#39;X-Axis&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>import numpy as np<\/p>\n<p>from PyQt5.QtWidgets import QApplication, QMainWindow<\/p>\n<p>import pyqtgraph as pg<\/p>\n<p>class MainWindow(QMainWindow):<\/p>\n<p>    def __init__(self):<\/p>\n<p>        super().__init__()<\/p>\n<p>        self.setWindowTitle(&quot;PyQtGraph Plot Example&quot;)<\/p>\n<p>        self.setGeometry(100, 100, 800, 600)<\/p>\n<p>        # \u521b\u5efa\u4e00\u4e2a\u7ed8\u56fe\u7a97\u53e3<\/p>\n<p>        self.plot_widget = pg.PlotWidget()<\/p>\n<p>        self.setCentralWidget(self.plot_widget)<\/p>\n<p>        # \u751f\u6210\u6570\u636e<\/p>\n<p>        x = np.linspace(0, 10, 100)<\/p>\n<p>        y = np.sin(x)<\/p>\n<p>        # \u7ed8\u5236\u66f2\u7ebf\u56fe<\/p>\n<p>        self.plot_widget.plot(x, y, pen=pg.mkPen(color=&#39;b&#39;, width=2))<\/p>\n<p>        # \u6dfb\u52a0\u7f51\u683c<\/p>\n<p>        self.plot_widget.showGrid(x=True, y=True)<\/p>\n<p>        # \u6dfb\u52a0\u6807\u9898\u548c\u6807\u7b7e<\/p>\n<p>        self.plot_widget.setTitle(&quot;Sine Wave&quot;)<\/p>\n<p>        self.plot_widget.setLabel(&#39;left&#39;, &#39;Y-Axis&#39;)<\/p>\n<p>        self.plot_widget.setLabel(&#39;bottom&#39;, &#39;X-Axis&#39;)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    app = QApplication(sys.argv)<\/p>\n<p>    window = MainWindow()<\/p>\n<p>    window.show()<\/p>\n<p>    sys.exit(app.exec_())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u4e94\u3001\u4ea4\u4e92\u529f\u80fd<\/h2>\n<\/p>\n<p><p>PyQtGraph\u8fd8\u652f\u6301\u591a\u79cd\u4ea4\u4e92\u529f\u80fd\uff0c\u4f8b\u5982\u7f29\u653e\u3001\u5e73\u79fb\u7b49\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e9b\u529f\u80fd\u5df2\u7ecf\u542f\u7528\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u9f20\u6807\u6eda\u8f6e\u8fdb\u884c\u7f29\u653e\uff0c\u70b9\u51fb\u5e76\u62d6\u52a8\u8fdb\u884c\u5e73\u79fb\u3002<\/p>\n<\/p>\n<p><h3>1\u3001\u6dfb\u52a0\u56fe\u4f8b<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u4e3a\u56fe\u5f62\u6dfb\u52a0\u56fe\u4f8b\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u89e3\u91ca\u4e0d\u540c\u7684\u66f2\u7ebf\u3002\u53ef\u4ee5\u4f7f\u7528<code>addLegend<\/code>\u65b9\u6cd5\u6dfb\u52a0\u56fe\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">self.plot_widget.addLegend()<\/p>\n<p>self.plot_widget.plot(x, y, pen=pg.mkPen(color=&#39;b&#39;, width=2), name=&quot;Sine Wave&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>2\u3001\u52a8\u6001\u66f4\u65b0\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u52a8\u6001\u66f4\u65b0\u6570\u636e\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u66f4\u65b0\u4e00\u6b21\u6570\u636e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from PyQt5.QtCore import QTimer<\/p>\n<p>class MainWindow(QMainWindow):<\/p>\n<p>    def __init__(self):<\/p>\n<p>        super().__init__()<\/p>\n<p>        self.setWindowTitle(&quot;PyQtGraph Plot Example&quot;)<\/p>\n<p>        self.setGeometry(100, 100, 800, 600)<\/p>\n<p>        # \u521b\u5efa\u4e00\u4e2a\u7ed8\u56fe\u7a97\u53e3<\/p>\n<p>        self.plot_widget = pg.PlotWidget()<\/p>\n<p>        self.setCentralWidget(self.plot_widget)<\/p>\n<p>        # \u751f\u6210\u521d\u59cb\u6570\u636e<\/p>\n<p>        self.x = np.linspace(0, 10, 100)<\/p>\n<p>        self.y = np.sin(self.x)<\/p>\n<p>        self.curve = self.plot_widget.plot(self.x, self.y, pen=pg.mkPen(color=&#39;b&#39;, width=2))<\/p>\n<p>        # \u6dfb\u52a0\u7f51\u683c<\/p>\n<p>        self.plot_widget.showGrid(x=True, y=True)<\/p>\n<p>        # \u6dfb\u52a0\u6807\u9898\u548c\u6807\u7b7e<\/p>\n<p>        self.plot_widget.setTitle(&quot;Sine Wave&quot;)<\/p>\n<p>        self.plot_widget.setLabel(&#39;left&#39;, &#39;Y-Axis&#39;)<\/p>\n<p>        self.plot_widget.setLabel(&#39;bottom&#39;, &#39;X-Axis&#39;)<\/p>\n<p>        # \u521b\u5efa\u5b9a\u65f6\u5668<\/p>\n<p>        self.timer = QTimer()<\/p>\n<p>        self.timer.timeout.connect(self.update_data)<\/p>\n<p>        self.timer.start(1000)  # \u6bcf\u96941000\u6beb\u79d2\u66f4\u65b0\u4e00\u6b21\u6570\u636e<\/p>\n<p>    def update_data(self):<\/p>\n<p>        # \u66f4\u65b0\u6570\u636e<\/p>\n<p>        self.y = np.sin(self.x + np.random.rand())<\/p>\n<p>        self.curve.setData(self.x, self.y)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    app = QApplication(sys.argv)<\/p>\n<p>    window = MainWindow()<\/p>\n<p>    window.show()<\/p>\n<p>    sys.exit(app.exec_())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u6bcf\u96941000\u6beb\u79d2\u8c03\u7528<code>update_data<\/code>\u65b9\u6cd5\u66f4\u65b0\u6570\u636e\u5e76\u91cd\u65b0\u7ed8\u5236\u66f2\u7ebf\u3002<\/p>\n<\/p>\n<p><h2>\u516d\u3001\u603b\u7ed3<\/h2>\n<\/p>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u5728Python\u7684Qt\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528PyQtGraph\u5e93\u7ed8\u5236\u66f2\u7ebf\u56fe\u3002PyQtGraph\u5e93\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fd\u3001\u6613\u7528\u4e14\u4e0eQt\u826f\u597d\u96c6\u6210\u7684\u7ed8\u56fe\u5e93\uff0c\u9002\u7528\u4e8e\u5b9e\u65f6\u6570\u636e\u7ed8\u5236\u548c\u5feb\u901f\u56fe\u5f62\u7ed8\u5236\u3002\u6211\u4eec\u8fd8\u5b66\u4e60\u4e86\u5982\u4f55\u6dfb\u52a0\u7f51\u683c\u3001\u6807\u9898\u3001\u6807\u7b7e\u3001\u56fe\u4f8b\u4ee5\u53ca\u52a8\u6001\u66f4\u65b0\u6570\u636e\u7b49\u529f\u80fd\u3002\u8fd9\u4e9b\u77e5\u8bc6\u5c06\u5e2e\u52a9\u6211\u4eec\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u636e\u53ef\u89c6\u5316\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Qt\u4e2d\u4f7f\u7528Python\u7ed8\u5236\u66f2\u7ebf\u56fe\uff1f<\/strong><br \/>\u5728Qt\u4e2d\u7ed8\u5236\u66f2\u7ebf\u56fe\uff0c\u53ef\u4ee5\u4f7f\u7528PyQt\u6216PySide\u7ed3\u5408Matplotlib\u5e93\u3002\u9996\u5148\uff0c\u5b89\u88c5\u76f8\u5173\u5e93\uff08\u5982PyQt5\u548cMatplotlib\uff09\uff0c\u7136\u540e\u521b\u5efa\u4e00\u4e2aQt\u7a97\u53e3\uff0c\u5e76\u5728\u7a97\u53e3\u4e2d\u5d4c\u5165Matplotlib\u7684\u7ed8\u56fe\u90e8\u4ef6\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\u521d\u59cb\u5316\u56fe\u5f62\u3001\u8bbe\u7f6e\u6570\u636e\u70b9\u3001\u7ed8\u5236\u66f2\u7ebf\u4ee5\u53ca\u5c06\u56fe\u5f62\u663e\u793a\u5728Qt\u754c\u9762\u4e2d\u3002<\/p>\n<p><strong>\u54ea\u4e9bPython\u5e93\u9002\u5408\u5728Qt\u4e2d\u7ed8\u5236\u66f2\u7ebf\u56fe\uff1f<\/strong><br 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