#?-*-?coding=UTF-8?-*-
#?縱坐標固定，橫坐標從第一個點到當前點
import?sys
import?numpy
from?PyQt5?import?QtWidgets
import?threading
import?matplotlib.ticker?as?ticker
from?datetime?import?datetime?as?Datetime
from?matplotlib.backends.backend_qt5agg?import?FigureCanvasQTAgg?as?FigureCanvas
from?matplotlib.backends.backend_qt5?import?NavigationToolbar2QT?as?NavigationToolbar
from?matplotlib.dates?import?date2num
import?numpy?as?np
from?matplotlib.figure?import?Figure
import?os
import?csv
import?time
import?datetime




class?MplCanvas（FigureCanvas）:
????def?__init__（self）:
????????self.fig?=?Figure（）
????????self.ax?=?self.fig.add_subplot（111）
????????FigureCanvas.__init__（self?self.fig）
????????self.curveObj?=?None

????def?plot（self?datax?datay）:
????????if?self.curveObj?is?No