代码语言：javascript复制
1 # -*- coding:utf-8 -*-
2 '''
3 Created on Sep 17, 2018
4
5 @author: SaShuangYiBing
6
7 Comment:
8 '''
9 import sys
10 from PyQt5.QtGui import QIcon
11 from PyQt5.QtWidgets import QApplication,QMainWindow,QFileDialog,QTextEdit,QAction
12
13 class New_test(QMainWindow):
14 def __init__(self):
15 super().__init__()
16 self.initUI()
17
18 def initUI(self):
19 self.textEdit = QTextEdit()
20 self.setCentralWidget(self.textEdit)
21 self.statusBar()
22
23 openFile = QAction(QIcon('exit.png'),'Open',self)
24 openFile.setShortcut('Crtl O')
25 openFile.setStatusTip('Open new file')
26 openFile.triggered.connect(self.showdiaglog)
27
28 menubar = self.menuBar()
29 fileMenu = menubar.addMenu('&File')
30 fileMenu.addAction(openFile)
31
32 self.setGeometry(300,300,350,300)
33 self.setWindowTitle('File Diaglog')
34 self.show()
35
36 def showdiaglog(self):
37 try:
38 fname = QFileDialog.getOpenFileName(self,'Open file','/home')
39
40 if fname[0]:
41 with open(fname[0],'r',encoding='utf-8') as f: # 在Python3中使用open时后面需要带上编码方式，否则易引起打开非utf-8编码字符时会报错
42 data = f.read()
43 self.textEdit.setText(data)
44 except Exception as e:
45 print (e)
46
47 if __name__ == '__main__':
48 app = QApplication(sys.argv)
49 ex = New_test()
50 sys.exit(app.exec_())
