def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.progBar_Max.setMaximum(256)
self.ui.progBar_Min.setMaximum(256)
self.ui.progBar_Diff.setMaximum(256)
self.ui.sliderVolumn.setMaximum(100)
self.ui.sliderVolumn.setValue(100)
self.ui.comboDevices.clear()
self.__deviceList=QAudioDeviceInfo.availableDevices(QAudio.AudioInput) #音频输入设备列表
for i in range(len(self.__deviceList)):
device=self.__deviceList[i] #QAudioDeviceInfo类
self.ui.comboDevices.addItem(device.deviceName())
## self.__deviceInfo =None #当前设备信息,QAudioDeviceInfo
self.audioDevice=None #音频输入设备,QAudioInput
self.BUFFER_SIZE=4000
self.ioDevice=None #第1种读取方法，内建的IODevice
## self.externalReader=None #第2种读取方法，外建的IODevice
self.recordFile=QFile() #第3种读取方法，使用QFile直接写入文件
if len(self.__deviceList)>0:
self.ui.comboDevices.setCurrentIndex(0) #触发comboDevices的信号currentIndexChanged()
## self.__deviceInfo =deviceList[0]
else:
self.ui.actStart.setEnabled(False)
self.ui.actDeviceTest.setEnabled(False)
self.ui.groupBoxDevice.setTitle("支持的音频输入设置(无设备)")
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo14_5, 三维数据绘图")
self.__colormap=mpl.cm.seismic #当前colormap
self.__iniUI() #初始化界面
mpl.rcParams['font.sans-serif']=['SimHei'] #黑体
mpl.rcParams['font.size']=10
## 黑体：SimHei 宋体：SimSun 新宋体：NSimSun 仿宋：FangSong 楷体：KaiTi
mpl.rcParams['axes.unicode_minus'] =False #减号unicode编码
self.__colorbar=None #colorbar对象
self.__generateData() #生成数据
self.__iniFigure() #绘图
self.ui.widgetPlot.figure.canvas.setCursor(Qt.CrossCursor)
self.ui.widgetPlot.figure.canvas.mpl_connect("motion_notify_event",self.do_canvas_mouseMove)
self.ui.widgetPlot.figure.canvas.mpl_connect("pick_event",self.do_canvas_pick)
self.on_combo3D_type_currentIndexChanged(0) #3D曲线
self.on_combo2D_type_currentIndexChanged(0) #2D曲线
self.ui.widgetPlot.figure.subplots_adjust(left=0.05,
bottom=0.26, right=0.97, top=0.92, wspace=0.28)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo13_4, Q3DSurface和QSurface3DSeries绘制三维地形图")
pass
def __init__(self):
QtWidgets.QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.movie = DrawableMovieLabel()
self.ui.horizontalLayout_2.addWidget(self.movie)
self.ui.pushButton_browse.clicked.connect(self.openFile)
self.ui.pushButton_start.clicked.connect(self.start_stop)
self.ui.pushButton_remove.clicked.connect(self.removeTrack)
self.ui.pushButton_save_annotation.clicked.connect(
self.save_annotations)
self.ui.pushButton_browse_annotaion.clicked.connect(
self.open_annotations)
self.ui.pushButton_next.clicked.connect(self.movie.nextFrame)
self.ui.pushButton_previous.clicked.connect(self.movie.prviousFrame)
self.ui.listView.setModel(self.movie.model)
self.ui.listView.setEditTriggers(
QtWidgets.QAbstractItemView.DoubleClicked)
self.ui.horizontalSlider.setMinimum(0)
self.ui.horizontalSlider.setMaximum(100)
self.ui.horizontalSlider.valueChanged.connect(self.movie.seekToPercent)
self.movie.progress.connect(self.ui.horizontalSlider.setValue)
self.timer = QtCore.QTimer(self)
self.timer.timeout.connect(self.autoSave)
self.timer.start(60*1000)
self.ui.pushButton_kafkaConnect.clicked.connect(self.connectKafka)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo14_2, 绘图主要对象的操作")
mplStyle.use("classic") #使用样式，必须在绘图之前调用,修改字体后才可显示汉字
mpl.rcParams['font.sans-serif'] = ['KaiTi',
'SimHei'] #显示汉字为 楷体， 汉字不支持 粗体，斜体等设置
mpl.rcParams['font.size'] = 12
## Windows自带的一些字体
## 黑体：SimHei 宋体：SimSun 新宋体：NSimSun 仿宋：FangSong 楷体：KaiTi
mpl.rcParams['axes.unicode_minus'] = False #减号unicode编码
self.__fig = None #Figue对象
self.__curAxes = None #当前操作的Axes，为了方便单独用变量
self.__curLine = None #当前操作的曲线
self.__createFigure() #创建Figure和FigureCanvas对象，初始化界面
self.__drawFig2X1() #绘图
axesList = self.__fig.axes #子图列表
for one in axesList: #添加到工具栏上的下拉列表框里
self.__comboAxes.addItem(one.get_label())
legendLocs = [
'best', 'upper right', 'upper left', 'lower left', 'lower right',
'right', 'center left', 'center right', 'lower center',
'upper center', 'center'
] #图例位置
self.ui.combo_LegendLoc.addItems(legendLocs) #添加选项
styleList = mplStyle.available #可用样式列表，字符串列表
self.ui.comboFig_Style.addItems(styleList)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo12_5，饼图和各种柱状图")
self.ui.tableView.setAlternatingRowColors(True)
self.ui.treeWidget.setAlternatingRowColors(True)
self.setStyleSheet("QTreeWidget, QTableView{"
"alternate-background-color:rgb(170, 241, 190)}")
self.__studCount = 10 #学生人数
self.ui.spinCount.setValue(self.__studCount)
self.dataModel = QStandardItemModel(self) #数据模型
self.ui.tableView.setModel(self.dataModel) #设置数据模型
self.dataModel.itemChanged.connect(self.do_calcuAverage) #自动计算平均分
self.__generateData() #初始化数据
self.__surveyData() #数据统计
self.__iniBarChart() #柱状图初始化
self.__iniStackedBar() #堆积图初始化
self.__iniPercentBar() #百分比图初始化
self.__iniPieChart() #饼图初始化
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_MainWindow() #创建Ui对象
self.ui.setupUi(self) #构造UI
self.LabPath = QLabel(self)
self.ui.statusBar.addWidget(self.LabPath)
self.__buildModelView()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo8_4, 自定义界面组件")
pass
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo12_6, 蜡烛图、日期时间坐标轴")
pass
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setCentralWidget(self.ui.splitter)
pass
def __init__(self, parent=None, dbFilename='None'):
super().__init__(parent) # Call the parent class. Create window.
self.ui = Ui_MainWindow() # Create UI object
self.ui.setupUi(self) # Create UI interface
self.ui.tabWidget.setVisible(True)
self.setCentralWidget(self.ui.tabWidget)
# tableView setting
self.ui.tableView.setSelectionBehavior(QAbstractItemView.SelectItems)
self.ui.tableView.setSelectionMode(QAbstractItemView.SingleSelection)
self.ui.tableView.setAlternatingRowColors(True)
self.ui.tableView.verticalHeader().setDefaultSectionSize(44)
self.ui.tableView.horizontalHeader().setDefaultSectionSize(70)
self.ui.tableView.setSortingEnabled(True)
# Initialize chart
self.__iniPieChart() # Initialize pie chart
self.__iniStackedBar() # Stacked bar
mpl.rcParams['font.sans-serif'] = ['Calibri']
mpl.rcParams['font.size'] = 8
# Choose the SQLITE database drive
self.DB = QSqlDatabase.addDatabase("QSQLITE")
self.DB.setDatabaseName(dbFilename) # Set the name of database
if self.DB.open(): # Open database
self.__openTable() # Open tables
else:
QMessageBox.warning(self, "Warning",
"Failed to open the database.")
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setCentralWidget(self.ui.splitter)
self.__ColCount = 6 #列数=6
self.itemModel = QStandardItemModel(5, self.__ColCount,
self) # 数据模型,10行6列
self.selectionModel = QItemSelectionModel(self.itemModel) #Item选择模型
self.selectionModel.currentChanged.connect(self.do_curChanged)
self.__lastColumnTitle = "测井取样"
self.__lastColumnFlags = (Qt.ItemIsSelectable
| Qt.ItemIsUserCheckable | Qt.ItemIsEnabled)
##tableView设置
self.ui.tableView.setModel(self.itemModel) #设置数据模型
self.ui.tableView.setSelectionModel(self.selectionModel) #设置选择模型
oneOrMore = QAbstractItemView.ExtendedSelection
self.ui.tableView.setSelectionMode(oneOrMore) #可多选
itemOrRow = QAbstractItemView.SelectItems
self.ui.tableView.setSelectionBehavior(itemOrRow) #单元格选择
self.ui.tableView.verticalHeader().setDefaultSectionSize(22) #缺省行高
self.ui.tableView.setAlternatingRowColors(True) #交替行颜色
self.ui.tableView.setEnabled(False) #先禁用tableView
self.__buildStatusBar()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo12_7, QAreaSeries绘制填充图")
pass
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.__dlgSetHeaders = None
self.setCentralWidget(self.ui.tableView)
##构建状态栏
self.LabCellPos = QLabel("当前单元格：", self)
self.LabCellPos.setMinimumWidth(180)
self.ui.statusBar.addWidget(self.LabCellPos)
self.LabCellText = QLabel("单元格内容：", self)
self.LabCellText.setMinimumWidth(200)
self.ui.statusBar.addWidget(self.LabCellText)
##构建Item Model/View
self.itemModel = QStandardItemModel(10, 5, self) #数据模型,10行5列
self.selectionModel = QItemSelectionModel(self.itemModel) #Item选择模型
self.selectionModel.currentChanged.connect(self.do_currentChanged)
##为tableView设置数据模型
self.ui.tableView.setModel(self.itemModel) #设置数据模型
self.ui.tableView.setSelectionModel(self.selectionModel) #设置选择模型
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo13_2, Q3DScatter和QScatter3DSeries 绘制三维散点图")
pass
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
#
self.ui.actionInterval.triggered.connect(self.onCaptureInterval)
self.ui.actionStart.triggered.connect(self.onCaptureStart)
self.ui.actionStop.triggered.connect(self.onCaptureStop)
self.ui.actionReset.triggered.connect(self.onResetCapture)
self.ui.actionQuit.triggered.connect(self.close)
#
self.arpPackets = list()
self.ethPackets = list()
#
self.arpEntropies = list()
self.ethEntropies = list()
#
self.sniffer = Sniffer()
self.sniffer.packetCaptured.connect(self.onPacketCaptured)
self.sniffer.timeout.connect(self.onSniffTimeout)
self.thread = QThread()
self.sniffer.moveToThread(self.thread)
self.thread.started.connect(self.sniffer.sniff)
self.sniffer.finished.connect(self.thread.quit)
self.sniffer.finished.connect(self.onCaptureStop)
#
self.packets = 0
#
self.maxArpEntropy = [0, -1]
self.maxEthEntropy = [0, -1]
#
self.ethEntropyThread = QThread()
self.ethEntropy = EtherEntropy()
self.ethEntropyThread.started.connect(self.ethEntropy.entropy)
self.ethEntropy.resultReady.connect(self.onEthEntropyReady)
self.ethEntropy.resultReady.connect(self.ethEntropyThread.quit)
#
self.arpEntropyThread = QThread()
self.arpEntropy = ArpEntropy()
self.arpEntropyThread.started.connect(self.arpEntropy.entropy)
self.arpEntropy.resultReady.connect(self.onArpEntropyReady)
self.arpEntropy.resultReady.connect(self.arpEntropyThread.quit)
#
self.timer = QTimer(self)
self.timer.timeout.connect(self.onCountDown)
self.timer.start(ONE_SECOND)
#
self.entropyTimer = QTimer(self)
self.entropyTimer.timeout.connect(self.updateEntropy)
#
self.timer2 = QTimer(self)
self.timer2.timeout.connect(self.updateStatics)
self.timer2.start(MILLIS_200)
#
self.ui.actionSaveCapture.triggered.connect(self.saveCapture)
self.ui.actionSaveEntropy.triggered.connect(self.saveEntropy)
#
self.ui.statusbar.showMessage("Ready")
#
self.ui.progressBar.hide()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle(
"Demo12_3, QScatterSeries、QSplineSeries、自定义QChartView")
pass
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setCentralWidget(self.ui.mdiArea) #填充满工作区
## self.setWindowState(Qt.WindowMaximized) #窗口最大化显示
self.ui.mainToolBar.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo14_4, 几种常见二维图表")
self.setCentralWidget(self.ui.tabWidget)
pass
def __init__(self,parent=None): super().__init__(parent)#调用父类构造函数,创建窗体 self.ui = Ui_MainWindow()#创建Ui对象 self.ui.setupUi(self)#构造UI self.__buildUI() self.__spinFontSize.valueChanged[int].connect(self.do_fontSize_Changed) self.__comboFontName.currentIndexChanged[str].connect(self.do_fontName_Changed) self.setCentralWidget(self.ui.textEdit)
def __init__(self, parent=None):
super().__init__(parent) # 调用父类构造函数，创建窗体
self.ui=Ui_MainWindow() # 创建UI对象
self.ui.setupUi(self) # 构造UI界面
self.setWindowTitle("Demo12_8, 极坐标图")
self.__iniChart() # 创建self.chart
self.__drawRose()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.toolBox.setCurrentIndex(0)
self.fileWatcher = QFileSystemWatcher()
self.fileWatcher.directoryChanged.connect(self.do_directoryChanged)
self.fileWatcher.fileChanged.connect(self.do_fileChanged)
def __init__(self):
super(MainWindow, self).__init__()
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
# Set default settings if first launch
if self.settings.value('firstLaunch', True, type=bool):
self.settings.setValue('ZIP', self.DEFAULT_ZIP)
self.settings.setValue('fullscreen', True)
self.settings.setValue('rotateCamera', False)
self.settings.setValue('firstLaunch', False)
categories = [
'Dry Goods', 'Meat', 'Veggies', 'Fruit', 'Dairy', 'Prepared',
'Other'
]
self.settings.setValue('categories', categories)
locations = ['Pantry', 'Fridge', 'Freezer']
self.settings.setValue('locations', locations)
self.settings.setValue('hideCursor', False)
for category in self.settings.value('categories', type=list):
self.ui.categoryComboBox.addItem(category)
self.ui.categoriesListWidget.addItem(category)
for location in self.settings.value('locations', type=list):
self.ui.locationComboBox.addItem(location)
self.ui.locationsListWidget.addItem(location)
self.ui.sidLineEdit.setText(self.settings.value('sid', type=str))
self.ui.authLineEdit.setText(self.settings.value('authToken',
type=str))
self.ui.fromNumberLineEdit.setText(
self.settings.value('fromNumber', type=str))
self.ui.toNumberLineEdit.setText(
self.settings.value('toNumber', type=str))
self.ui.fullscreenOffButton.setChecked(
not self.settings.value('fullscreen', type=bool))
self.ui.rotateCameraOnButton.setChecked(
self.settings.value('rotateCamera', type=bool))
self.ui.zipEdit.setText(self.settings.value('ZIP'))
self.ui.hideCursorOnButton.setChecked(
self.settings.value('hideCursor', type=bool))
self.setup_database()
self.setup_table()
self.setup_clock()
self.setup_weather()
self.setup_connections()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo8_4, 自定义界面组件")
self.ui.slider.setRange(0, 100)
self.ui.LabInfo.setMaximumHeight(20)
self.ui.battery.powerLevelChanged.connect(self.do_battery_changed)
self.ui.slider.setValue(60)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.__buildUI() #动态创建组件，添加到工具栏和状态栏
self.__spinFontSize.valueChanged[int].connect(
self.do_fontSize_Changed) #字体大小设置
self.__comboFontName.currentIndexChanged[str].connect(
self.do_fontName_Changed) #字体选择
self.setCentralWidget(self.ui.textEdit)
def __init__(self):
super(MainWindow, self).__init__() #Se llama a la ventana
self.administrador = ListaParticula()
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
#Conexión del Slot
self.ui.agregarFinal_pushButton.clicked.connect(self.click_agregar)
self.ui.agregarInicio_pushButton.clicked.connect(
self.click_agregarInicio)
self.ui.mostrar_pushButton.clicked.connect(self.click_mostrar)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.groupBox.setEnabled(False)
self.ui.actSaveALL.setEnabled(False)
self.ui.actReadALL.setEnabled(False)
self.setWindowTitle("二进制文件流化读写")
self.__testFileName="" #测试用文件的文件名
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_MainWindow() #创建Ui对象
self.ui.setupUi(self) #构造UI
self.__ColCount = 6 #列数
self.itemModel = QStandardItemModel(
10, self.__ColCount, self) #创建QStandardItemModel类型的数据模型,指定行列值
'''
setSelectionBehavior()
此属性保存视图使用的选择行为。
此属性保存选择是根据单个项目，行还是列进行的
#QItemSelectionModel()
此属性保存视图在哪种选择模式下运行。
#此属性控制用户是否可以选择一个或多个项目，并且在多个项目选择中控制选择是否必须是连续范围的项目
'''
self.selectionModel = QItemSelectionModel(self.itemModel)
self.selectionModel.currentChanged.connect(
self.do_curChanged) #单元格选择发生变化时会发射此信号
self.__lastColumnTitle = "" #设置最后一列的标题，可以是空
self.__lastColumnFlags = (Qt.ItemIsSelectable | Qt.ItemIsUserCheckable
| Qt.ItemIsEnabled)
#设置tableView属性
self.ui.tableView.setModel(self.itemModel) #数据模型
self.ui.tableView.setSelectionModel(self.selectionModel) #选择模型
oneOrMore = QAbstractItemView.ExtendedSelection #选择模式->多选模式
self.ui.tableView.setSelectionMode(oneOrMore) #多选模式
itemOrRow = QAbstractItemView.SelectItems #项选择模式->单元格选择
self.ui.tableView.setSelectionBehavior(itemOrRow) #单元格选择
self.ui.tableView.verticalHeader().setDefaultSectionSize(22)
self.ui.tableView.setAlternatingRowColors(True) #交替行颜色
self.ui.tableView.setEnabled(False) #设置默认禁用tabelView
self.ui.actFontBold.setCheckable(False)
self.setCentralWidget(self.ui.splitter) #设置中心组件
# self.setCentralWidget(self.ui.tableView)
self.__buildStatusBar()
self.spinCeshen = QmyFloatSpinDelegate(0, 10000, 0, self)
self.spinLength = QmyFloatSpinDelegate(0, 6000, 2, self)
self.spinDegree = QmyFloatSpinDelegate(0, 360, 1, self)
self.ui.tableView.setItemDelegateForColumn(0, self.spinCeshen)
self.ui.tableView.setItemDelegateForColumn(1, self.spinLength)
self.ui.tableView.setItemDelegateForColumn(3, self.spinLength)
self.ui.tableView.setItemDelegateForColumn(2, self.spinDegree)
qualities = ["优", "良", "合格", "不合格"]
self.comboDelegate = QmyComboBoxDelegate(self)
self.comboDelegate.setItems(qualities, False)
self.ui.tableView.setItemDelegateForColumn(4, self.comboDelegate)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setCentralWidget(self.ui.splitter)
# tableView显示属性设置
self.ui.tableView.setSelectionBehavior(QAbstractItemView.SelectRows)
self.ui.tableView.setSelectionMode(QAbstractItemView.SingleSelection)
self.ui.tableView.setAlternatingRowColors(True)
self.ui.tableView.verticalHeader().setDefaultSectionSize(22)
self.ui.tableView.horizontalHeader().setDefaultSectionSize(60)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo12_4, 对数坐标轴和多坐标轴")
self.__buildStatusBar()
self.ui.frameSetup.setEnabled(False) #禁用控制面板
## 创建QmyChartView对象，并添加到窗口上
self.ui.chartView.setRenderHint(QPainter.Antialiasing)
self.ui.chartView.setCursor(Qt.CrossCursor) #设置鼠标指针为十字星
self.__iniChart() # 创建self.chart
