PyQt写的图片播放器简约版.

用PyQt写的图片播放器。

用线程控制。

线程之间的信号传递。

# -*- coding:utf-8 -*-

from PyQt4 import QtGui, QtCore
import sys, os, time

# from datetime import date, time, datetime, timedelta
QtCore.QTextCodec.setCodecForTr(QtCore.QTextCodec.codecForName("utf8"))

GetMyPath = []
class Image_view(QtGui.QMainWindow):
    def __init__(self):
        super(Image_view, self).__init__()

        self.setWindowTitle(self.tr("Image_view"))
        self.resize(800, 450)

        self.imageLabel = QtGui.QLabel()
        self.imageLabel.setSizePolicy(QtGui.QSizePolicy.Ignored, QtGui.QSizePolicy.Ignored)
        self.imageLabel.setScaledContents(True)
        self.setCentralWidget(self.imageLabel)

        self.createActions()
        self.createButton()
        self.MyImage = QtGui.QImage()

        self.th_cmd = mythread()
        self.th_cmd._signal.connect(self.runImages)

    def createActions(self):
        self.openFileAction = QtGui.QAction(self.tr("Open Images Path"), self)
        self.connect(self.openFileAction, QtCore.SIGNAL("triggered()"), self.OpenFile)

        self.Play_Image = QtGui.QAction(self.tr("Play"), self)
        self.connect(self.Play_Image, QtCore.SIGNAL("triggered()"), self.StartPlay)

        self.Stop_Image = QtGui.QAction(self.tr("Stop"), self)
        self.connect(self.Stop_Image, QtCore.SIGNAL("triggered()"), self.StopPay)

    def createButton(self):
        fileTool = self.addToolBar(self.tr("文件"))
        fileTool.addAction(self.openFileAction)

        Play_Image_Tool = self.addToolBar(self.tr("播放"))
        Play_Image_Tool.addAction(self.Play_Image)

        Exit_Image_Tool = self.addToolBar(self.tr("停止"))
        Exit_Image_Tool.addAction(self.Stop_Image)

    def OpenFile(self):
        s = QtGui.QFileDialog.getExistingDirectory(self, u"Give Me FileName[填入路径文件名]:")
        for i in os.listdir(s):
            GetMyPath.append(str(s) + "\" + str(i))
        #print GetMyPath

    def StartPlay(self):
        self.th_cmd.start()

    def StopPay(self):
        self.th_cmd.terminate()  # terminate 终止进程.

    def runImages(self, item):
        MyPath = GetMyPath
        if self.MyImage.load(MyPath[int(item)]) is not None:
            self.imageLabel.setPixmap(QtGui.QPixmap.fromImage(self.MyImage))


class mythread(QtCore.QThread):
    _signal = QtCore.pyqtSignal(str)

    def __init__(self):
        super(mythread, self).__init__()

    def run(self, day=0, hour=0, min=0, second=2):
        for i in range(len(GetMyPath)):
            self._signal.emit(str(i))

            time.sleep(0.1)



if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    win = Image_view()
    win.show()
    app.exec_()