基于Python+QT的gui程序开发实现

from PyQt4 import QtGui, uic, QtCore 

class AddressBook(QtGui.QWidget):
  def __init__(self, parent=None):
    super(AddressBook, self).__init__(parent)
    #button控件
    self.out_put = QtGui.QPushButton("&Out_put")
    #该button在被单击之后，调用self.out的方法
    self.out_put.clicked.connect(self.out)
    browseButton = self.createButton("&Browse...", self.browse)
 
    nameLabel = QtGui.QLabel("Location:")
    self.nameLine = QtGui.QLineEdit()
    addressLabel = QtGui.QLabel("Loading:")
    self.addressText = QtGui.QTextEdit()
    self.createFilesTable()
 
    buttonLayout1 = QtGui.QVBoxLayout()
    buttonLayout1.addWidget(browseButton, QtCore.Qt.AlignTop)
    buttonLayout1.addWidget(self.out_put)
    buttonLayout1.addStretch()
    #界面的布局
    mainLayout = QtGui.QGridLayout()
    mainLayout.addWidget(nameLabel, 0, 0)
    mainLayout.addWidget(self.nameLine, 0, 1)
    mainLayout.addWidget(addressLabel, 1, 0, QtCore.Qt.AlignTop)
    #mainLayout.addWidget(self.addressText, 1, 1)
    mainLayout.addWidget(self.filesTable, 1, 1)
    mainLayout.addLayout(buttonLayout1, 1, 2)
    self.setLayout(mainLayout)
    self.setWindowTitle("HD_export")

def browse(self):
    directory = QtGui.QFileDialog.getExistingDirectory(self, "Find Files",
        QtCore.QDir.currentPath())
 
    self.nameLine.setText(directory)
    self.find()
    
  def find(self):
    self.filesTable.setRowCount(0)
    path=self.nameLine.text()
    self.currentDir = QtCore.QDir(path)
    files = self.currentDir.entryList(QtCore.QDir.Files | QtCore.QDir.NoSymLinks)
 
    self.showFiles(files)