class Texts(QtGui.QMainWindow,Ui_MainWindow):
def __init__(self,parne=None):
super(Texts,self).__init__(parne)
self.setupUi(self)
self.setWindowTitle(u‘文档或者其他‘)
self.setWindowIcon((QtGui.QIcon(r‘i/e.jpg‘)))
self.setFixedSize(500,550)
self.action_3_clear.setEnabled(False)
self.showtext.setEnabled(False)
self.adjustSize()
import random
rand1=‘#FFFFFF‘
rand2=‘#000099‘
self.showtext.setStyleSheet(""
"color: %s;"
"margin: 10px;"
"padding: 5px;"
"padding-left: 15px;"
"padding-right: 15px;"
"border-radius: 5px;"
"border: 3px solid #abc;"%(rand1,rand2))
self.showtext.setReadOnly(True)
self.showtext.setEnabled(True)
self.setWindowIcon(QtGui.QIcon(r‘i/e.png‘))
self.action_3_about.triggered.connect(self.aboutn)
self.action_close.triggered.connect(self.close_)
self.action_file.triggered.connect(self.openflies)
self.action_3_clear.triggered.connect(self.qingkong_)
self.showtext.textChanged.connect(self.updatea)
def aboutn(self):
QtGui.QMessageBox.information(self,u‘关于‘,u‘这部分是文档或者文本部分，用于查看有关内容的地方‘)
def close_(self):
self.close()
def openflies(self):
self.showtext.setEnabled(True)
fileName=QtGui.QFileDialog.getOpenFileName(self)
if fileName.isEmpty()==False:
if self.showtext.document().isEmpty():
self.loadFile(fileName)
def loadFile(self,fileName):
file=QtCore.QFile(fileName)
if file.open(QtCore.QIODevice.ReadOnly|QtCore.QIODevice.Text):
textStream=QtCore.QTextStream(file)
while textStream.atEnd()==False:
self.showtext.appendPlainText(textStream.readLine())
def qingkong_(self):
close1=QtGui.QMessageBox(self)
close1.setWindowTitle(u‘清空选项‘)
close1.setWindowIcon(QtGui.QIcon(r‘i/a.png‘))
yes=close1.addButton(u‘清空(&Yes)‘,QtGui.QMessageBox.ActionRole)
no=close1.addButton(u‘否(&No)‘,QtGui.QMessageBox.ActionRole)
close1.setText(u‘您真的要退出这个工具吗?‘)
close1.exec_()
button=close1.clickedButton()
if button==yes:
self.showtext.clear()
else:pass
def updatea(self):
self.action_3_clear.setEnabled(self.showtext.toPlainText().isEmpty()==False)
self.showtext.setEnabled(True)
如图:
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