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共通函数 波形图 鼠标事件
# -*- coding: utf8 -*-
import sys
import datetime
import codecs
import os
from PyQt4 import QtGui, QtCore
import PyQt4.Qwt5 as Qwt
from PyQt4.Qwt5.anynumpy import *
from PlotGraph import *#波形图
from CommonFun import *#共通函数
from Spy import *#鼠标事件
import TypeConvert
sqlDomestic = None
class BeiJingCosmic(QtGui.QWidget):
def __init__(self, sqlDomesticArg, parent=None):
QtGui.QWidget.__init__(self, parent)
self.setWindowIcon(QtGui.QIcon(‘image/icon.ico‘))
global sqlDomestic
sqlDomestic = sqlDomesticArg
self.titleLabel = QtGui.QLabel()
self.titleLabel.setText(u"北京宇宙线超中子堆")
self.titleLabel.setAlignment(Qt.Qt.AlignLeft)
##起始时间
self.srartTimeLabel = QtGui.QLabel()
self.srartTimeLabel.setAlignment(Qt.Qt.AlignRight)
#四周显示的内容
label2 = QtGui.QLabel()
label2.setText(u"中国科学院空间环境研究预报中心")
label2.setAlignment(Qt.Qt.AlignRight)
self.updateTimeLabel = QtGui.QLabel()
self.updateTimeLabel.setAlignment(Qt.Qt.AlignLeft)
#北京宇宙线5分钟数据曲线
self.serverPlotBJ5M = make1()
self.serverPlotBJ5M.setYLeftLargeMag(5)
self.serverPlotBJ5M.setYLeftScale(-10,10,4)
font = QtGui.QFont()
font.setPointSize(9)
txt=Qwt.QwtText(u"Counts/5 Minutes")
txt.setFont(font)
self.serverPlotBJ5M.setYLeft(txt)
vBox = QtGui.QVBoxLayout()
vBox.addWidget(self.serverPlotBJ5M)
vBox.setSpacing(0)
self.gBox = QtGui.QGroupBox()
self.gBox.setLayout(vBox)
self.gBox.setPalette(QtGui.QPalette(QtGui.QColor(255,255,225)))
self.gBox.setAutoFillBackground(True)
hBoxUp = QtGui.QHBoxLayout()
hBoxUp.addWidget(self.titleLabel)
hBoxUp.addWidget(self.srartTimeLabel)
hBoxDown = QtGui.QHBoxLayout()
hBoxDown.addWidget(self.updateTimeLabel)
hBoxDown.addWidget(label2)
mainLayout = QtGui.QVBoxLayout()
mainLayout.addLayout(hBoxUp)
mainLayout.addWidget(self.gBox)
mainLayout.addLayout(hBoxDown)
self.setLayout(mainLayout)
#设置鼠标形状
QtGui.QApplication.setOverrideCursor(QtCore.Qt.ArrowCursor)
self.serverPlotBJ5M.setCanvasBackground(QtGui.QColor(255,255,225))
self.createRightActions()
self.registerContextMenuEvent()
###设置初始值
curEndTime =QtCore.QDateTime.currentDateTime().addSecs(-8*3600)
self.end = datetime.date(int(curEndTime.date().year()),
int(curEndTime.date().month()),int(curEndTime.date().day()))
self.start = self.end + datetime.timedelta(-2)
self.resetBJPlot(self.start, self.end)
#设置定时器，15MIN更新一次
self.timer = QtCore.QTimer(self)
self.connect(self.timer, QtCore.SIGNAL("timeout()"), self.updateEveryHalfHour)
self.timer.start(1000*60*15)
def createRightActions(self):
#左侧
self.nextPageAct = QtGui.QAction( u‘下一页‘, self)
self.connect(self.nextPageAct, QtCore.SIGNAL("triggered()"), self.nextPageDis)
self.prevPageAct = QtGui.QAction( u‘上一页‘, self)
self.connect(self.prevPageAct, QtCore.SIGNAL("triggered()"), self.prevPageDis)
self.closeAct = QtGui.QAction( u‘退出‘, self)
self.connect(self.closeAct, QtCore.SIGNAL("triggered()"), self.close)
def registerContextMenuEvent(self):
#左侧
self.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu)
self.addAction(self.prevPageAct)
self.addAction(self.nextPageAct)
self.addAction(self.closeAct)
#从数据库获取北京5分钟数据
def getBJ5MData(self, start, end):
self.xDataBJ5M = []
self.yDataBJ5M = []
self.bootomDateBJ5M = []
listDBX=[]#从数据库中取出的日期，得到的x
listX = []#画图时用到的x
listBootomDate=[]
self.dataDate = []#存储从数据库中获得的年月日
self.dateTime = []#存储从数据库获得的时分秒
steps=(end-start).days+1
for day in range(steps):
startStr=(start + datetime.timedelta(day)).__str__()
bootomDate=QtCore.QString(startStr)
listBootomDate.append(bootomDate)#要显示的日期
self.bootomDateBJ5M = listBootomDate
for fiveMinutes in range(steps*24*12):
listX.append(fiveMinutes)#x轴值
self.xDataBJ5M.append(fiveMinutes/(24*12*1.0))
startStr=start.__str__( )
endStr=end.__str__( )
startStr=startStr.replace(‘-‘,‘‘)
endStr=endStr.replace(‘-‘,‘‘)
#获得查询起始时间 更新时间
curTime = QtCore.QDateTime.currentDateTime().addSecs(-8*3600)
updateTime = datetime.datetime(curTime.date().year(),curTime.date().month()
,curTime.date().day(), curTime.time().hour(),
curTime.time().minute(), curTime.time().second())
tc = TypeConvert.TypeConvert()
ret, updateStr = tc.ymdhmsTostr(updateTime.year, updateTime.month, updateTime.day,
updateTime.hour, updateTime.minute, updateTime.second)
#设置起始 更新时间
self.srartTimeLabel.setText(u"起始时间:%s-%s-%s 00:00:00 UTC"%(startStr[0:4], startStr[4:6],
startStr[6:8]))
self.updateTimeLabel.setText(u"更新时间:%s-%s-%s %s:%s:%s UTC"%(updateStr[0:4], updateStr[4:6],
updateStr[6:8], updateStr[8:10],
updateStr[10:12], updateStr[12:14]))
#sql =ExecuteSQL(ConfigInfo.dbInfo[‘user‘],ConfigInfo.dbInfo[‘pwd‘],ConfigInfo.dbInfo[‘tns‘])
#sqlDomestic =ExecuteSQL(‘YJDB‘,‘YJDB‘,‘isedb‘)
sqlDomestic.getConnect()
cuntSql = ‘select count(*) from t_bj_cr_5m_pre ‘
itemSql = "select ((to_date(datadate, ‘YYYYMMDD‘)-to_date(‘%s‘, ‘YYYYMMDD‘))*24*12\
+ (to_date(lpad(DATATIME,6,‘0‘), ‘hh24miss‘) - to_date(‘000000‘, ‘hh24miss‘))*24*12),\
neutron_count,datadate,lpad(datatime,6,‘0‘) from t_bj_cr_5m_pre"%startStr
whereSql = "where DATADATE between %s and %s"%(startStr,endStr) + " order by DATADATE,DATATIME"
state,count,cur = sqlDomestic.getQuery(cuntSql,itemSql,whereSql)
if state ==1:#数据查询失败
return 1
if count ==-99:#没有查询到数据
pass#弹出消息框，提示没有查询到数据
else:
for row in cur:
listDBX.append( int(round(row[0])) )
self.yDataBJ5M.append(row[1])
self.dataDate.append(row[2])
self.dateTime.append(row[3])
self.yDataBJ5M = handleVoidRecord(self.yDataBJ5M,listX,listDBX,True)
def resetBJPlot(self,startTime,endTime):
step = (endTime-startTime).days + 1
self.getBJ5MData(startTime,endTime)
#对数据进行处理并绘制曲线图
self.handledXDataBJ5M,self.handledYDataBJ5M = handleData(self.xDataBJ5M,self.yDataBJ5M)
self.serverPlotBJ5M.plotDraw(self.handledXDataBJ5M,self.handledYDataBJ5M,
None,None,Qt.Qt.blue,None,False)
minValue,maxValue,yStep=setYScaleCommon(self.yDataBJ5M,None ,
self.serverPlotBJ5M,10,False)
#self.serverPlotBJ5M.disableY()
self.serverPlotBJ5M.setXBottomScale(0,step,step/5+1)
self.serverPlotBJ5M.setXBottom("",self.bootomDateBJ5M)
#下面的接口在设置X坐标的时候可以将字体调小
#self.serverPlotBJ5M.setXBottomFZDH("",self.bootomDateBJ5M)
def nextPageDis(self):
curEndTime =QtCore.QDateTime.currentDateTime().addSecs(-8*3600)
curTime = datetime.date(int(curEndTime.date().year()),
int(curEndTime.date().month()),int(curEndTime.date().day()))
self.start = self.start + datetime.timedelta(3)
self.end = self.end + datetime.timedelta(3)
if self.end > curTime:
self.start = self.start + datetime.timedelta(-3)
self.end = self.end + datetime.timedelta(-3)
QtGui.QMessageBox.information(self,‘Message‘,
u"查询时间不能超过当前时间！", QtGui.QMessageBox.Yes)
return
self.resetBJPlot(self.start, self.end)
def prevPageDis(self):
self.start = self.start + datetime.timedelta(-3)
self.end = self.end + datetime.timedelta(-3)
self.resetBJPlot(self.start, self.end)
def updateEveryHalfHour(self):
curEndTime =QtCore.QDateTime.currentDateTime().addSecs(-8*3600)
self.end = datetime.date(int(curEndTime.date().year()),
int(curEndTime.date().month()),int(curEndTime.date().day()))
self.start = self.end + datetime.timedelta(-2)
self.resetBJPlot(self.start, self.end)
#键盘
def keyPressEvent(self, event):
if event.key() == QtCore.Qt.Key_Left:
self.prevPageDis()
elif event.key() == QtCore.Qt.Key_Right:
self.nextPageDis()
elif event.key() == QtCore.Qt.Key_Escape:
self.close()
‘‘‘
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
login = BeiJingCosmic()
login.show()
app.exec_()
‘‘‘
共通函数 波形图 鼠标事件