{"id":1102523,"date":"2025-01-08T16:00:51","date_gmt":"2025-01-08T08:00:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1102523.html"},"modified":"2025-01-08T16:00:58","modified_gmt":"2025-01-08T08:00:58","slug":"%e5%a6%82%e4%bd%95%e7%94%a8python%e7%94%bb%e5%87%ba%e5%9b%be%e6%98%be%e7%a4%ba%e5%9c%a8qt%e9%87%8c-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1102523.html","title":{"rendered":"\u5982\u4f55\u7528python\u753b\u51fa\u56fe\u663e\u793a\u5728qt\u91cc"},"content":{"rendered":"

\"\u5982\u4f55\u7528python\u753b\u51fa\u56fe\u663e\u793a\u5728qt\u91cc\"<\/p>\n

\u5982\u4f55\u7528Python\u753b\u51fa\u56fe\u663e\u793a\u5728Qt\u91cc<\/strong><\/p>\n<\/p>\n

\u4f7f\u7528PyQt5\u3001Matplotlib\u3001QWidget\u5d4c\u5165\u3001\u4fe1\u53f7\u4e0e\u69fd\u673a\u5236<\/strong><\/p>\n<\/p>\n

\u8981\u5728Qt\u754c\u9762\u4e2d\u663e\u793aPython\u7ed8\u5236\u7684\u56fe\u50cf\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528PyQt5\u4e0eMatplotlib\u7684\u7ed3\u5408\u3002PyQt5\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684GUI\u7ec4\u4ef6<\/strong>\uff0c\u800cMatplotlib\u5219\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u7ed8\u56fe\u5e93<\/strong>\u3002\u901a\u8fc7\u5c06\u4e24\u8005\u7ed3\u5408\uff0c\u53ef\u4ee5\u521b\u5efa\u529f\u80fd\u4e30\u5bcc\u4e14\u7f8e\u89c2\u7684\u56fe\u5f62\u7528\u6237\u754c\u9762\uff08GUI\uff09\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Qt\u754c\u9762\u4e2d\u5d4c\u5165Matplotlib\u7ed8\u5236\u7684\u56fe\u50cf\u3002<\/p>\n<\/p>\n

\u4e00\u3001PyQt5\u4e0eMatplotlib\u57fa\u672c\u6982\u8ff0<\/p>\n<\/p>\n

PyQt5<\/strong>\u662fPython\u7f16\u7a0b\u8bed\u8a00\u7684Qt\u5e93\u7ed1\u5b9a\uff0c\u5b83\u5141\u8bb8Python\u7a0b\u5e8f\u5458\u4f7f\u7528Qt\u5e93\u6765\u521b\u5efaGUI\u5e94\u7528\u7a0b\u5e8f\u3002Matplotlib<\/strong>\u662f\u4e00\u4e2a\u7ed8\u56fe\u5e93\uff0c\u5b83\u4f7f\u5f97\u5728Python\u4e2d\u7ed8\u5236\u5404\u79cd\u7c7b\u578b\u7684\u56fe\u8868\u548c\u56fe\u5f62\u53d8\u5f97\u7b80\u5355\u3002\u901a\u8fc7\u5c06Matplotlib\u5d4c\u5165\u5230PyQt5\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Qt\u7a97\u53e3\u4e2d\u663e\u793a\u590d\u6742\u7684\u56fe\u5f62\u548c\u6570\u636e\u53ef\u89c6\u5316\u3002<\/p>\n<\/p>\n

\u5b89\u88c5PyQt5\u548cMatplotlib<\/h3>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5PyQt5\u548cMatplotlib\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528pip\u547d\u4ee4\u6765\u5b89\u88c5\u5b83\u4eec\uff1a<\/p>\n<\/p>\n

pip install PyQt5 matplotlib<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u521b\u5efa\u57fa\u672c\u7684PyQt5\u5e94\u7528\u7a0b\u5e8f<\/p>\n<\/p>\n
\u5728\u5f00\u59cb\u5d4c\u5165Matplotlib\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u521b\u5efa\u4e00\u4e2a\u57fa\u672c\u7684PyQt5\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u4e2a\u57fa\u672c\u5e94\u7528\u7a0b\u5e8f\u5c06\u5305\u62ec\u4e00\u4e2a\u4e3b\u7a97\u53e3\u548c\u4e00\u4e2a\u4e2d\u5fc3\u5c0f\u90e8\u4ef6\u3002<\/p>\n<\/p>\n
import sys<\/p>\n
from PyQt5.QtWidgets import QApplication, QMAI<\/a>nWindow, QWidget, QVBoxLayout<\/p>\n
class MainWindow(QMainWindow):<\/p>\n
    def __init__(self):<\/p>\n
        super().__init__()<\/p>\n
        self.setWindowTitle("PyQt5 and Matplotlib Example")<\/p>\n
        self.setGeometry(100, 100, 800, 600)<\/p>\n
        central_widget = QWidget()<\/p>\n
        self.setCentralWidget(central_widget)<\/p>\n
        layout = QVBoxLayout()<\/p>\n
        central_widget.setLayout(layout)<\/p>\n
if __name__ == "__main__":<\/p>\n
    app = QApplication(sys.argv)<\/p>\n
    window = MainWindow()<\/p>\n
    window.show()<\/p>\n
    sys.exit(app.exec_())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u5d4c\u5165Matplotlib\u56fe\u50cf<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5c06Matplotlib\u56fe\u50cf\u5d4c\u5165\u5230PyQt5\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684QWidget\u7c7b\uff0c\u8be5\u7c7b\u5c06\u5305\u542bMatplotlib\u56fe\u5f62\u3002<\/p>\n<\/p>\n
from matplotlib.figure import Figure<\/p>\n
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas<\/p>\n
class MatplotlibWidget(QWidget):<\/p>\n
    def __init__(self, parent=None):<\/p>\n
        super().__init__(parent)<\/p>\n
        self.figure = Figure()<\/p>\n
        self.canvas = FigureCanvas(self.figure)<\/p>\n
        layout = QVBoxLayout()<\/p>\n
        layout.addWidget(self.canvas)<\/p>\n
        self.setLayout(layout)<\/p>\n
    def plot(self, data):<\/p>\n
        self.figure.clear()<\/p>\n
        ax = self.figure.add_subplot(111)<\/p>\n
        ax.plot(data)<\/p>\n
        self.canvas.draw()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u81ea\u5b9a\u4e49\u7684MatplotlibWidget\u7c7b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2aFigure\u5bf9\u8c61\u548c\u4e00\u4e2aFigureCanvas\u5bf9\u8c61\u3002FigureCanvas\u5bf9\u8c61\u662fMatplotlib\u56fe\u5f62\u7684\u7ed8\u5236\u533a\u57df\u3002\u6211\u4eec\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e2aplot\u65b9\u6cd5\uff0c\u7528\u4e8e\u7ed8\u5236\u6570\u636e\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5728\u4e3b\u7a97\u53e3\u4e2d\u6dfb\u52a0MatplotlibWidget<\/p>\n<\/p>\n
\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u81ea\u5b9a\u4e49\u7684MatplotlibWidget\u6dfb\u52a0\u5230\u4e3b\u7a97\u53e3\u4e2d\uff0c\u5e76\u4f7f\u7528\u4e00\u4e9b\u793a\u4f8b\u6570\u636e\u6765\u7ed8\u5236\u56fe\u50cf\u3002<\/p>\n<\/p>\n
class MainWindow(QMainWindow):<\/p>\n
    def __init__(self):<\/p>\n
        super().__init__()<\/p>\n
        self.setWindowTitle("PyQt5 and Matplotlib Example")<\/p>\n
        self.setGeometry(100, 100, 800, 600)<\/p>\n
        central_widget = QWidget()<\/p>\n
        self.setCentralWidget(central_widget)<\/p>\n
        layout = QVBoxLayout()<\/p>\n
        central_widget.setLayout(layout)<\/p>\n
        self.matplotlib_widget = MatplotlibWidget()<\/p>\n
        layout.addWidget(self.matplotlib_widget)<\/p>\n
        # \u793a\u4f8b\u6570\u636e<\/p>\n
        data = [1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
        self.matplotlib_widget.plot(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2aMainWindow\u7c7b\u4e2d\uff0c\u6211\u4eec\u5b9e\u4f8b\u5316\u4e86MatplotlibWidget\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u4e3b\u7a97\u53e3\u7684\u5e03\u5c40\u4e2d\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e9b\u793a\u4f8b\u6570\u636e\u6765\u8c03\u7528plot\u65b9\u6cd5\u5e76\u7ed8\u5236\u56fe\u50cf\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u6dfb\u52a0\u4ea4\u4e92\u529f\u80fd<\/p>\n<\/p>\n
\u901a\u8fc7PyQt5\u7684\u4fe1\u53f7\u4e0e\u69fd\u673a\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u66f4\u591a\u7684\u4ea4\u4e92\u529f\u80fd\uff0c\u4f8b\u5982\u6309\u94ae\u548c\u6ed1\u5757\uff0c\u4ee5\u63a7\u5236\u56fe\u50cf\u7684\u663e\u793a\u3002<\/p>\n<\/p>\n
from PyQt5.QtWidgets import QPushButton, QSlider<\/p>\n
class MainWindow(QMainWindow):<\/p>\n
    def __init__(self):<\/p>\n
        super().__init__()<\/p>\n
        self.setWindowTitle("PyQt5 and Matplotlib Example")<\/p>\n
        self.setGeometry(100, 100, 800, 600)<\/p>\n
        central_widget = QWidget()<\/p>\n
        self.setCentralWidget(central_widget)<\/p>\n
        layout = QVBoxLayout()<\/p>\n
        central_widget.setLayout(layout)<\/p>\n
        self.matplotlib_widget = MatplotlibWidget()<\/p>\n
        layout.addWidget(self.matplotlib_widget)<\/p>\n
        # \u793a\u4f8b\u6570\u636e<\/p>\n
        self.data = [1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
        self.matplotlib_widget.plot(self.data)<\/p>\n
        # \u6dfb\u52a0\u6309\u94ae<\/p>\n
        button = QPushButton("\u66f4\u65b0\u56fe\u50cf")<\/p>\n
        button.clicked.connect(self.update_plot)<\/p>\n
        layout.addWidget(button)<\/p>\n
        # \u6dfb\u52a0\u6ed1\u5757<\/p>\n
        slider = QSlider()<\/p>\n
        slider.setMinimum(1)<\/p>\n
        slider.setMaximum(10)<\/p>\n
        slider.setValue(5)<\/p>\n
        slider.valueChanged.connect(self.slider_value_changed)<\/p>\n
        layout.addWidget(slider)<\/p>\n
    def update_plot(self):<\/p>\n
        self.data = [x * 2 for x in self.data]<\/p>\n
        self.matplotlib_widget.plot(self.data)<\/p>\n
    def slider_value_changed(self, value):<\/p>\n
        self.data = [x * value for x in self.data]<\/p>\n
        self.matplotlib_widget.plot(self.data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6dfb\u52a0\u4e86\u4e00\u4e2a\u6309\u94ae\u548c\u4e00\u4e2a\u6ed1\u5757\u3002\u6309\u94ae\u7528\u4e8e\u66f4\u65b0\u56fe\u50cf\uff0c\u800c\u6ed1\u5757\u7528\u4e8e\u8c03\u6574\u6570\u636e\u7684\u503c\u3002\u901a\u8fc7\u8fde\u63a5\u6309\u94ae\u7684clicked\u4fe1\u53f7\u548c\u6ed1\u5757\u7684valueChanged\u4fe1\u53f7\u5230\u76f8\u5e94\u7684\u69fd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u56fe\u50cf\u7684\u52a8\u6001\u66f4\u65b0\u3002<\/p>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/p>\n<\/p>\n
\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u4f7f\u7528PyQt5\u548cMatplotlib\u5728Qt\u754c\u9762\u4e2d\u663e\u793aPython\u7ed8\u5236\u7684\u56fe\u50cf\u3002PyQt5\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684GUI\u7ec4\u4ef6\uff0cMatplotlib\u5219\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u7ed8\u56fe\u5e93<\/strong>\u3002\u901a\u8fc7\u5c06\u4e24\u8005\u7ed3\u5408\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u529f\u80fd\u4e30\u5bcc\u4e14\u7f8e\u89c2\u7684\u56fe\u5f62\u7528\u6237\u754c\u9762\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff0c\u795d\u4f60\u5728Python\u7f16\u7a0b\u4e2d\u53d6\u5f97\u66f4\u5927\u7684\u8fdb\u6b65\uff01<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Qt\u4e2d\u96c6\u6210Python\u7ed8\u5236\u7684\u56fe\u5f62\uff1f<\/strong>
\u8981\u5728Qt\u4e2d\u663e\u793aPython\u7ed8\u5236\u7684\u56fe\u5f62\uff0c\u53ef\u4ee5\u4f7f\u7528PyQt\u6216PySide\u5e93\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88c5\u8fd9\u4e9b\u5e93\u3002\u63a5\u7740\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aQWidget\u5e76\u4f7f\u7528matplotlib\u7ed8\u5236\u56fe\u5f62\u3002\u6700\u540e\uff0c\u5c06matplotlib\u751f\u6210\u7684\u56fe\u5f62\u5d4c\u5165\u5230QWidget\u4e2d\uff0c\u4f7f\u7528FigureCanvasQTAgg\u5c06\u5176\u8f6c\u6362\u4e3aQt\u53ef\u4ee5\u5904\u7406\u7684\u683c\u5f0f\u3002<\/p>\n
\u5728Qt\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5982\u4f55\u4f18\u5316\u7ed8\u56fe\u6027\u80fd\uff1f<\/strong>
\u4e3a\u4e86\u63d0\u9ad8\u7ed8\u56fe\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u66f4\u9ad8\u6548\u7684\u7ed8\u56fe\u5e93\uff0c\u4f8b\u5982PyQtGraph\uff0c\u5b83\u4e13\u4e3a\u79d1\u5b66\u8ba1\u7b97\u548c\u5b9e\u65f6\u7ed8\u56fe\u8bbe\u8ba1\u3002\u540c\u65f6\uff0c\u907f\u514d\u5728\u6bcf\u6b21\u7ed8\u56fe\u65f6\u91cd\u7ed8\u6574\u4e2a\u56fe\u5f62\uff0c\u53ef\u4ee5\u901a\u8fc7\u66f4\u65b0\u6570\u636e\u5e76\u5c40\u90e8\u5237\u65b0\u6765\u63d0\u9ad8\u6548\u7387\u3002\u6b64\u5916\uff0c\u786e\u4fdd\u4f7f\u7528\u5408\u9002\u7684\u56fe\u5f62\u5206\u8fa8\u7387\u4e5f\u662f\u4f18\u5316\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n
Python\u7ed8\u56fe\u5e93\u4e2d\uff0c\u54ea\u4e2a\u6700\u9002\u5408\u4e0eQt\u7ed3\u5408\u4f7f\u7528\uff1f<\/strong>
\u5728\u4e0eQt\u7ed3\u5408\u4f7f\u7528\u7684\u4f17\u591aPython\u7ed8\u56fe\u5e93\u4e2d\uff0cmatplotlib\u548cPyQtGraph\u662f\u6700\u53d7\u6b22\u8fce\u7684\u3002matplotlib\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7ed8\u56fe\u529f\u80fd\u548c\u7075\u6d3b\u6027\uff0c\u9002\u5408\u751f\u6210\u9759\u6001\u56fe\u5f62\u3002\u800cPyQtGraph\u5219\u4e13\u6ce8\u4e8e\u9ad8\u6027\u80fd\u548c\u5b9e\u65f6\u6570\u636e\u7ed8\u5236\uff0c\u9002\u5408\u9700\u8981\u5feb\u901f\u66f4\u65b0\u56fe\u5f62\u7684\u5e94\u7528\u573a\u666f\u3002\u6839\u636e\u9879\u76ee\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5e93\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5b9e\u73b0\u6240\u9700\u7684\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5982\u4f55\u7528Python\u753b\u51fa\u56fe\u663e\u793a\u5728Qt\u91cc \u4f7f\u7528PyQt5\u3001Matplotlib\u3001QWidget\u5d4c\u5165\u3001\u4fe1\u53f7\u4e0e\u69fd\u673a\u5236 […]","protected":false},"author":3,"featured_media":1102542,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1102523"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1102523"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1102523\/revisions"}],"predecessor-version":[{"id":1102546,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1102523\/revisions\/1102546"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1102542"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1102523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1102523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1102523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}