chars-动态刷新.zip

import os import time import sys FileName = os.path.basename(sys.argv[0]) FilePath = sys.argv[0].replace(FileName,"") UiName = FileName.replace(".py",".ui") UiPath = FilePath +UiName Ui_pyName = FilePath+"ui.py" FileFlag = os.path.isfile(Ui_pyName) if FileFlag == 0: sys_cmd = os.popen("pyuic5"+" -o "+Ui_pyName+" "+UiPath) time.sleep(1) from ui import Ui_Form from PyQt5.QtGui import * from PyQt5.QtWidgets import * from PyQt5.QtCore import * from PyQt5.QtChart import * import random DataVector = [] mutex = QMutex() class ThreadCtl(QThread): def __init__(self): super().__init__() self.threadstatus = 1 def run(self): while self.threadstatus == 1: self.randdata_h = random.uniform(1, 6) self.randdata_h = round(self.randdata_h, 2) # self.randdata_w = random.uniform(1, 6) # self.randdata_w = round(self.randdata_w, 2) # self.points = [self.post,self.randdata_h,] time.sleep(1) mutex.lock() DataVector.append(self.randdata_h) mutex.unlock() print("DataVector:",DataVector) class m_window(QWidget,Ui_Form): def __init__(self): super(m_window,self).__init__() self.setupUi(self) self.threadCtl = ThreadCtl() self.threadCtl.start() self.timer = QTimer() self.timer.timeout.connect(self.update) self.timer.start(2000) self.ctl = 0 self.series_1 = QLineSeries() #定义LineSerise，将类QLineSeries实例化 self._1_point_0 = QPointF(0.00,0.00) #定义折线坐标点 self._1_point_1 = QPointF(0.80,6.00) self._1_point_2 = QPointF(2.00,2.00) self._1_point_3 = QPointF(4.00,3.00) self._1_point_4 = QPointF(1.00,3.00) self._1_point_5 = QPointF(5.00,3.00) self._1_point_list = [self._1_point_0,self._1_point_1,self._1_point_4,self._1_point_2,self._1_point_3,self._1_point_5] #定义折线清单 self.series_1.append(self._1_point_list) #折线添加坐标点清单 self.series_1.setName("折线一") self.series_2 = QLineSeries() #定义LineSerise self._2_point_0 = QPointF(0.00,0.00) #定义折线坐标点 self._2_point_1 = QPointF(0.50,5.00) self._2_point_2 = QPointF(2.00,1.00) self._2_point_3 = QPointF(4.00,2.00) self._2_point_4 = QPointF(1.00,2.00) self._2_point_5 = QPointF(5.00,2.25) self._2_point_list = [self._2_point_0,self._2_point_1,self._2_point_4,self._2_point_2,self._2_point_3,self._2_point_5] #定义折线清单 self.series_2.append(self._2_point_list) #折线添加坐标点清单 self.series_2.setName("折线二") self.series_3 = QLineSeries() #定义LineSerise # self.series_3.append(2.22,3.45) # self.series_3.append(3.45,5.23) self.x_Aix = QValueAxis() self.x_Aix.setRange(0.00,5.00) self.x_Aix.setLabelFormat("%0.2f") self.x_Aix.setTickCount(6) self.x_Aix.setMinorTickCount(0) self.y_Aix = QValueAxis() self.y_Aix.setRange(0.00,6.00) self.y_Aix.setLabelFormat("%0.2f") self.y_Aix.setTickCount(7) self.y_Aix.setMinorTickCount(0) self.charView = QChartView(self) #定义charView，父窗体类型为 Window self.setLayout(self.gridLayout) self.gridLayout.addWidget(self.charView) self.charView.setGeometry(0,0,self.width(),self.height()) #设置charView位置、大小 self.charView.chart().addSeries(self.series_1) #添加折线 self.charView.chart().addSeries(self.series_2) #添加折线 # self.charView.chart().setAxisX(self.x_Aix) #设置x轴属性 # self.charView.chart().setAxisY(self.y_Aix) #设置y轴属性 self.charView.chart().createDefaultAxes() #使用默认坐标系 self.charView.chart().axisX().setRange(0.00,5.00) self.charView.chart().axisX().setTickCount(6) self.charView.chart().axisX().setMinorTickCount(2) self.charView.chart().axisX().setLabelFormat("%0.2f") self.charView.chart().axisY().setRange(0.00,6.00) self.charView.chart().axisY().setTickCount(7) self.charView.chart().axisY().setMinorTickCount(2) self.charView.chart().setTitleBrush(QBrush(Qt.cyan)) #设置标题笔刷 self.charView.chart().setTitle("双折线") #设置标题 self.charView.show()#显示charView def update(self): if len(DataVector) > 0 : mutex.lock() if len(DataVector) > 10 : print("------") while len(DataVector) > 1 : self.value = DataVector[0] DataVector.pop(0) del self._1_point_list[len(self._1_point_list)-1] self._1_point_list.insert(0,QPointF(0,self.value)) for i in range(0,len(self._1_point_list)): self._1_point_list[i].setX(i) self.series_1.replace(self._1_point_list) self.value = DataVector[0] DataVector.pop(0) mutex.unlock() del self._1_point_list[len(self._1_point_list)-1] self._1_point_list.insert(0,QPointF(0,self.value)) for i in range(0,len(self._1_point_list)): self._1_point_list[i].setX(i) self.series_1.replace(self._1_point_list) app = QApplication(sys.argv) window = m_window(); window.show() sys.exit(app.exec_())