demo

filedialog.py

#coding: utf-8
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import sys

QTextCodec.setCodecForTr(QTextCodec.codecForName("utf8"))

class StandardDialog(QDialog):

    def __init__(self,parent=None):
        super(StandardDialog,self).__init__(parent)
        
        self.setWindowTitle(u"ATVOD点播器")
        
        filePushButton=QPushButton(self.tr(u"文件对话框"))
        playButton = QPushButton(self.tr(u"播放"))

        self.fileLineEdit=QLineEdit()

        layout=QGridLayout()
        layout.addWidget(filePushButton,0,0)
        layout.addWidget(self.fileLineEdit,0,1)
        layout.addWidget(playButton, 0, 2)

        self.setLayout(layout)

        self.connect(filePushButton,SIGNAL("clicked()"),self.openFile)

    def openFile(self):
        
        s=QFileDialog.getOpenFileName(self,u"选择本地影音文件","/","video files(*.mp4)")
        print unicode(s,"utf-8")
        self.fileLineEdit.setText(s)

app=QApplication(sys.argv)
form=StandardDialog()
form.show()
app.exec_()