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from PyQt4 import QtCore, QtGui
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import sys
class (QWidget):
def __init__(self, parent):
QWidget.__init__(self)
self.parent = parent
self.initUI()
def initUI(self):
self.gridlayout = QtGui.QGridLayout()
for i in range(20):
self.gridlayout.setColumnStretch(i, 1)
self.gridlayout.setRowStretch(i, 1)
lb1 = QLabel(u'账户：')
lb2 = QLabel(u'密码：')
self.userEntry = QLineEdit()
self.passEntry = QLineEdit()
self.passEntry.setEchoMode(QLineEdit.Password)
self.loginBtn = QtGui.QPushButton(u"登录")
self.loginBtn.setFixedSize(40, 20)
self.connect(self.loginBtn, QtCore.SIGNAL('clicked()'),
self.onLoginButton)
self.gridlayout.addWidget(lb1, 0, 0)
self.gridlayout.addWidget(lb2, 1, 0)
self.gridlayout.addWidget(self.userEntry, 0, 1, 1, 3)
self.gridlayout.addWidget(self.passEntry, 1, 1, 1, 3)
self.gridlayout.addWidget(self.loginBtn, 0, 4, 1, 2)
self.setLayout(self.gridlayout)
def onLoginButton(self):
username = self.userEntry.text()
password = self.passEntry.text()
QtGui.QMessageBox.about(self, username + u'登录成功', u"密码是：" + password)
QTextCodec.setCodecForCStrings(QTextCodec.codecForName("utf-8"))
print(username + u'登录成功！n' + u"密码是：" + password)
class EmittingStream(QtCore.QObject):
textWritten = QtCore.pyqtSignal(str)
def write(self, text):
self.textWritten.emit(str(text))
class MainWindow(QtGui.QMainWindow):
def __init__(self, parent=None):
QtGui.QMainWindow.__init__(self, parent)
tabs = QtGui.QTabWidget(self)
tab1 = QtGui.QWidget()
vbox = QtGui.QVBoxLayout()
console = MyConsole(self)
vbox.addWidget(console)
tab1.setLayout(vbox)
self.tab2 = QTextEdit()
tabs.addTab(tab1, u"控制台")
tabs.addTab(self.tab2, u"日志输出")
tabs.resize(500, 350)
self.resize(500, 350)
self.setWindowFlags(QtCore.Qt.WindowMinimizeButtonHint)
self.show()
sys.stdout = EmittingStream(textWritten=self.normalOutputWritten)
sys.stderr = EmittingStream(textWritten=self.normalOutputWritten)
def __del__(self):
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
def normalOutputWritten(self, text):
cursor = self.tab2.textCursor()
cursor.movePosition(QtGui.QTextCursor.End)
cursor.insertText(text)
self.tab2.setTextCursor(cursor)
self.tab2.ensureCursorVisible()
def main():
app = QtGui.QApplication(sys.argv)
win = MainWindow()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
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