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本文介紹了將 QChartView 插入 ui的處理方法，對大家解決問題具有一定的參考價值，需要的朋友們下面隨著小編來一起學習吧！

問題描述

我試圖把

<?xml version="1.0" encoding="UTF-8"?><ui版本="4.0"><class>主窗口</class><widget class="QMainWindow" name="MainWindow"><屬性名稱="幾何"><正確><x>0</x><y>0</y><寬度>800</寬度><身高>600</身高></正確></屬性><屬性名="windowTitle"><字符串>主窗口</字符串></屬性><widget class="QWidget" name="centralwidget"><widget class="QPushButton" name="pushButton"><屬性名稱="幾何"><正確><x>210</x><y>280</y><寬度>88</寬度><身高>33</身高></正確></屬性><屬性名稱="文本"><字符串>按鈕</字符串></屬性></小部件><widget class="QPushButton" name="pushButton_2"><屬性名稱="幾何"><正確><x>340</x><y>80</y><寬度>88</寬度><身高>33</身高></正確></屬性><屬性名稱="文本"><string>測試交易</string></屬性></小部件><widget class="QWidget" name="chart_container" native="true"><屬性名稱="幾何"><正確><x>29</x><y>29</y><寬度>291</寬度><身高>231</身高></正確></屬性></小部件></小部件><widget class="QMenuBar" name="menubar"><屬性名稱="幾何"><正確><x>0</x><y>0</y><寬度>800</寬度><身高>24</身高></正確></屬性></小部件><widget class="QStatusBar" name="statusbar"/></小部件><資源/><連接/></ui>

然后通過布局將QChartView添加到容器中來實現代碼:

導入系統從 PyQt5 導入 QtCore、QtWidgets、uic、QtChart# 加載兩個ui文件uifile_1 = "UI/main.ui"form_1，base_1 = uic.loadUiType(uifile_1)類示例(base_1，form_1):def __init__(self):超級(base_1，自我).__init__()self.setupUi(self)數據 = ((1, 7380, 7520, 7380, 7510, 7324),(2, 7520, 7580, 7410, 7440, 7372),(3, 7440, 7650, 7310, 7520, 7434),(4, 7450, 7640, 7450, 7550, 7480),(5, 7510, 7590, 7460, 7490, 7502),(6, 7500, 7590, 7480, 7560, 7512),(7, 7560, 7830, 7540, 7800, 7584),)系列 = QtChart.QCandlestickSeries()series.setDecreasingColor(QtCore.Qt.red)series.setIncreasingColor(QtCore.Qt.green)ma5 = QtChart.QLineSeries() # 5天平均數據線tm = [] # 存儲str類型數據# 在一個循環中，series 和 ma5 追加對應的數據對于數據中的 num、o、h、l、c、m:series.append(QtChart.QCandlestickSet(o, h, l, c))ma5.append(QtCore.QPointF(num, m))tm.append(str(num))圖表 = QtChart.QChart()chart.addSeries(series) # 蠟燭圖chart.addSeries(ma5) # ma5 線chart.setAnimationOptions(QtChart.QChart.SeriesAnimations)chart.createDefaultAxes()chart.legend().hide()chart.axisX(series).setCategories(tm)chart.axisX(ma5).setVisible(False)chartview = QtChart.QChartView(圖表)self.chart_container.setContentsMargins(0, 0, 0, 0)放置 = QtWidgets.QHBoxLayout(self.chart_container)lay.setContentsMargins(0, 0, 0, 0)lay.addWidget(chartview)如果 __name__ == "__main__":應用程序 = QtWidgets.QApplication(sys.argv)ex = 示例()ex.show()sys.exit(app.exec_())

I am trying to put plot candlestick and 5-days average line on a same qtchart but give two x axis plot code into a UI loader

import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QIcon
from PyQt5 import uic
import sys
from PyQt5.QtChart import QCandlestickSeries, QChart, QChartView, QCandlestickSet
from PyQt5.QtWidgets import QApplication, QMainWindow
from PyQt5.QtCore import Qt, QPointF
from PyQt5 import QtChart as qc

# load both ui file
uifile_1 = 'UI/main.ui'
form_1, base_1 = uic.loadUiType(uifile_1)

uifile_2 = 'UI/main1.ui'
form_2, base_2 = uic.loadUiType(uifile_2)


class Example(base_1, form_1):
    def __init__(self):
        super(base_1, self).__init__()
        self.setupUi(self)
        self.pushButton_2.clicked.connect(self.change)

    def change(self):
        self.main = MainPage()
        self.main.show()
        # self.close()


class MainPage(base_2, form_2):
    def __init__(self):
        super(base_2, self).__init__()
        self.setupUi(self)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = Example()
    ex.show()
    sys.exit(app.exec_())

I have tried putting a widget but have no idea what are promoted class name and header file for candlesticks.

The reason I want to do this is that I want to update this candlestick chart at a regular interval of time and also insert some buttons on that window.

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>600</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QPushButton" name="pushButton">
    <property name="geometry">
     <rect>
      <x>210</x>
      <y>280</y>
      <width>88</width>
      <height>33</height>
     </rect>
    </property>
    <property name="text">
     <string>PushButton</string>
    </property>
   </widget>
   <widget class="QPushButton" name="pushButton_2">
    <property name="geometry">
     <rect>
      <x>340</x>
      <y>80</y>
      <width>88</width>
      <height>33</height>
     </rect>
    </property>
    <property name="text">
     <string>Test Trade</string>
    </property>
   </widget>
   <widget class="PlotWidget" name="widget" native="true">
    <property name="geometry">
     <rect>
      <x>140</x>
      <y>100</y>
      <width>120</width>
      <height>80</height>
     </rect>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>25</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <customwidgets>
  <customwidget>
   <class>PlotWidget</class>
   <extends>QWidget</extends>
   <header>qtgraph</header>
   <container>1</container>
  </customwidget>
 </customwidgets>
 <resources/>
 <connections/>
</ui>

解決方案

It is not necessary to promote a class, although it is a valid option, so that it can be displayed in a window generated based on a .ui since you can use empty QWidget (without promoting it) as a container, then place a layout, and within the layout the QChartView.

The image shows an empty QWidget whose name is "chart_container" where the QChartView will be placed:

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>600</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <widget class="QPushButton" name="pushButton">
    <property name="geometry">
     <rect>
      <x>210</x>
      <y>280</y>
      <width>88</width>
      <height>33</height>
     </rect>
    </property>
    <property name="text">
     <string>PushButton</string>
    </property>
   </widget>
   <widget class="QPushButton" name="pushButton_2">
    <property name="geometry">
     <rect>
      <x>340</x>
      <y>80</y>
      <width>88</width>
      <height>33</height>
     </rect>
    </property>
    <property name="text">
     <string>Test Trade</string>
    </property>
   </widget>
   <widget class="QWidget" name="chart_container" native="true">
    <property name="geometry">
     <rect>
      <x>29</x>
      <y>29</y>
      <width>291</width>
      <height>231</height>
     </rect>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>24</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
 </widget>
 <resources/>
 <connections/>
</ui>

The code is then implemented by adding the QChartView to the container through a layout:

import sys

from PyQt5 import QtCore, QtWidgets, uic, QtChart

# load both ui file
uifile_1 = "UI/main.ui"
form_1, base_1 = uic.loadUiType(uifile_1)


class Example(base_1, form_1):
    def __init__(self):
        super(base_1, self).__init__()
        self.setupUi(self)

        data = (
            (1, 7380, 7520, 7380, 7510, 7324),
            (2, 7520, 7580, 7410, 7440, 7372),
            (3, 7440, 7650, 7310, 7520, 7434),
            (4, 7450, 7640, 7450, 7550, 7480),
            (5, 7510, 7590, 7460, 7490, 7502),
            (6, 7500, 7590, 7480, 7560, 7512),
            (7, 7560, 7830, 7540, 7800, 7584),
        )

        series = QtChart.QCandlestickSeries()
        series.setDecreasingColor(QtCore.Qt.red)
        series.setIncreasingColor(QtCore.Qt.green)

        ma5 = QtChart.QLineSeries()  # 5-days average data line
        tm = []  # stores str type data

        # in a loop,  series and ma5 append corresponding data
        for num, o, h, l, c, m in data:
            series.append(QtChart.QCandlestickSet(o, h, l, c))
            ma5.append(QtCore.QPointF(num, m))
            tm.append(str(num))

        chart = QtChart.QChart()
        chart.addSeries(series)  # candle
        chart.addSeries(ma5)  # ma5 line

        chart.setAnimationOptions(QtChart.QChart.SeriesAnimations)
        chart.createDefaultAxes()
        chart.legend().hide()

        chart.axisX(series).setCategories(tm)
        chart.axisX(ma5).setVisible(False)

        chartview = QtChart.QChartView(chart)

        self.chart_container.setContentsMargins(0, 0, 0, 0)
        lay = QtWidgets.QHBoxLayout(self.chart_container)
        lay.setContentsMargins(0, 0, 0, 0)
        lay.addWidget(chartview)


if __name__ == "__main__":
    app = QtWidgets.QApplication(sys.argv)
    ex = Example()
    ex.show()
    sys.exit(app.exec_())

這篇關于將 QChartView 插入 ui的文章就介紹到這了，希望我們推薦的答案對大家有所幫助，也希望大家多多支持html5模板網！

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將 QChartView 插入 ui

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