# -*- coding: utf-8 -*-import os,sys
from PyQt4 import QtCore, QtGui
import ctypes
import time
import threadingtry:_fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:def _fromUtf8(s):return stry:_encoding = QtGui.QApplication.UnicodeUTF8def _translate(context, text, disambig):return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:def _translate(context, text, disambig):return QtGui.QApplication.translate(context, text, disambig)class Ui_Dialog(object):def setupUi(self, Dialog):Dialog.setObjectName(_fromUtf8("Dialog"))Dialog.resize(397, 244)self.groupBox_3 = QtGui.QGroupBox(Dialog)self.groupBox_3.setGeometry(QtCore.QRect(10, 20, 381, 211))self.groupBox_3.setFocusPolicy(QtCore.Qt.WheelFocus)self.groupBox_3.setAcceptDrops(False)self.groupBox_3.setAutoFillBackground(True)self.groupBox_3.setInputMethodHints(QtCore.Qt.ImhNone)self.groupBox_3.setObjectName(_fromUtf8("groupBox_3"))self.label_5 = QtGui.QLabel(self.groupBox_3)self.label_5.setGeometry(QtCore.QRect(10, 30, 51, 21))self.label_5.setLineWidth(1)self.label_5.setMidLineWidth(1)self.label_5.setTextFormat(QtCore.Qt.AutoText)self.label_5.setAlignment(QtCore.Qt.AlignCenter)self.label_5.setWordWrap(True)self.label_5.setMargin(0)self.label_5.setObjectName(_fromUtf8("label_5"))self.label_6 = QtGui.QLabel(self.groupBox_3)self.label_6.setGeometry(QtCore.QRect(10, 70, 51, 21))self.label_6.setLineWidth(1)self.label_6.setMidLineWidth(1)self.label_6.setTextFormat(QtCore.Qt.AutoText)self.label_6.setAlignment(QtCore.Qt.AlignCenter)self.label_6.setWordWrap(True)self.label_6.setMargin(0)self.label_6.setObjectName(_fromUtf8("label_6"))self.spinBox = QtGui.QSpinBox(self.groupBox_3)self.spinBox.setGeometry(QtCore.QRect(80, 70, 70, 22))self.spinBox.setMaximum(10000)self.spinBox.setValue(60)self.spinBox.setObjectName(_fromUtf8("spinBox"))self.label_7 = QtGui.QLabel(self.groupBox_3)self.label_7.setGeometry(QtCore.QRect(10, 110, 51, 21))self.label_7.setLineWidth(1)self.label_7.setMidLineWidth(1)self.label_7.setTextFormat(QtCore.Qt.AutoText)self.label_7.setAlignment(QtCore.Qt.AlignCenter)self.label_7.setWordWrap(True)self.label_7.setMargin(0)self.label_7.setObjectName(_fromUtf8("label_7"))self.spinBox_2 = QtGui.QSpinBox(self.groupBox_3)self.spinBox_2.setGeometry(QtCore.QRect(80, 110, 70, 22))self.spinBox_2.setMaximum(10000)self.spinBox_2.setValue(2)self.spinBox_2.setObjectName(_fromUtf8("spinBox_2"))self.radioButton = QtGui.QRadioButton(self.groupBox_3)self.radioButton.setGeometry(QtCore.QRect(80, 30, 89, 21))self.radioButton.setAutoRepeat(False)self.radioButton.setObjectName(_fromUtf8("radioButton"))self.pushButton = QtGui.QPushButton(self.groupBox_3)self.pushButton.setGeometry(QtCore.QRect(280, 110, 70, 21))self.pushButton.setObjectName(_fromUtf8("pushButton"))self.progressBar = QtGui.QProgressBar(self.groupBox_3)self.progressBar.setGeometry(QtCore.QRect(10, 170, 361, 23))self.progressBar.setProperty("value", 0)self.progressBar.setObjectName(_fromUtf8("progressBar"))#以上代码都是自动生成的，没有什么难度        #下面的代码是主要是对控件功能的实现        self.radioButton.toggled.connect(self.changeUSBstatus)self.pushButton.clicked.connect(lambda:self.usbSwitchThreads()) #         self.pushButton.connect(self.pushButton, SIGNAL("clicked"),self.changeUSBstatus())
#         QtCore.QObject.connect(self.pushButton, QtCore.SIGNAL(_fromUtf8("clicked()")), self.pushButton.toggle)
self.retranslateUi(Dialog)QtCore.QMetaObject.connectSlotsByName(Dialog)def retranslateUi(self, Dialog):Dialog.setWindowTitle(_translate("Dialog", "Dialog", None))self.groupBox_3.setTitle(_translate("Dialog", "USB通断控制", None))self.label_5.setText(_translate("Dialog", "初始状态", None))self.label_6.setText(_translate("Dialog", "间隔(s)", None))self.label_7.setText(_translate("Dialog", "切换次数", None))self.radioButton.setText(_translate("Dialog", "接通/断开", None))self.pushButton.setText(_translate("Dialog", "点击执行", None))def changeUSBstatus(self):if self.radioButton.isChecked():USBcontrol().connectUsb()else:USBcontrol().disconnectUsb()def stopUsbSwitch(self):self.spinBox_2.setValue(0)def excuteUsbSwitch(self):self.pTime=self.spinBox.value()self.eTimes=self.spinBox_2.value()self.progressBar.setMinimum(0)    self.progressBar.setMaximum(self.eTimes)for i in range(self.eTimes):  time.sleep(int(self.pTime))USBcontrol().connectUsb()time.sleep(int(self.pTime))USBcontrol().disconnectUsb()  self.progressBar.setValue(i+1)    def usbSwitchThreads(self):threadsList=[]t = threading.Thread(target=self.excuteUsbSwitch,args=() )threadsList.append(t)for t in threadsList:t.setDaemon(True)t.start()   class USBcontrol:def __init__(self):resDict={0:"成功",1:""}self.resDict = resDictdllPath = os.path.abspath(os.path.dirname(__file__))self.objdll = ctypes.windll.LoadLibrary(dllPath+r'\usbplug.dll')self.hdl = self.objdll.USBPLUG_Open(1)def connectUsb(self):res = self.objdll.USBPLUG_Set(self.hdl, 1) #连接USBprint("连接 USB " + self.resDict[res])def disconnectUsb(self):res = self.objdll.USBPLUG_Set(self.hdl, 0) #断开USBprint("断开 USB " + self.resDict[res])    def __del__(self):self.objdll.USBPLUG_Close(self.hdl)if __name__ == "__main__":        app = QtGui.QApplication(sys.argv) Form=QtGui.QWidget()main=Ui_Dialog()main.setupUi(Form)Form.show()sys.exit(app.exec_())