PyQt5实现简易电子词典

from PyQt5.QtCore import pyqtSlotfrom PyQt5.QtWidgets import QMainWindowfrom PyQt5 import QtWidgetsfrom Ui_E_Dict_Main import Ui_E_Dictoryfrom PyQt5.QtWidgets import *from PyQt5.QtGui import *from PyQt5.QtCore import *import time, re # 槽函数代码，运行程序需要运行本文件class MainWindow(QMainWindow, Ui_E_Dictory): """ Class documentation goes here. """ def __init__(self, parent=None):  """  Constructor    @param parent reference to the parent widget  @type QWidget  """  super(MainWindow, self).__init__(parent)  self.setupUi(self)  # 启动时休眠1秒  time.sleep(1)  # 按钮1 查找单词,把单词显示在textBrowser的同时,插入历史记录 @pyqtSlot() def on_pushButton_clicked(self):  """  Slot documentation goes here.  """  # 单词查询,需要先有一个'dict.txt'文件,其中有大量的英文单词和注释  # 此处也可以先把'dict.txt'插入数据库,历史记录和单词本的插入和查询都可以直接操作数据库  # 不过数据库需要事先安装数据库,并建立相应的表,不好打包,不太方便  word=self.lineEdit.text()  f=open('dict.txt', 'r')  for line in f:   # 对字典文件的数据进行分析,拆解为适合显示的格式   l = re.split('[ ]+',line)   if l[0]==word:    interpret=' '.join(l[1:])    data='%s/n %s'%(l[0], interpret)    # interpret='%s: %s'%(l[0],' '.join(l[1:]))    self.textBrowser.setText(data)    # 当地时间    t1=time.localtime()    t2=time.asctime(t1)    #self.lineEdit.setText("")#lineEdit输入后清零,可要可不要    try:     # 把所查询单词插入历史记录中，     #'a'以只写文件打开一个文件，如果有原文件则追加到文件末尾     file=open('history.txt', 'at')     msg='%s %s'%(word, t2)     file.write(msg)     file.write('/n')     file.close()    except Exception as e:     print(e)  f.close()        @pyqtSlot() def on_pushButton_2_clicked(self):  """  Slot documentation goes here.  """  try:   # 查询历史记录,把历史记录显示在textBrowser中   file=open('history.txt', 'rt')      list=file.readlines()   msg=''.join(list)   self.textBrowser.setText(msg)   file.close()  except Exception as e:     print(e)        @pyqtSlot() def on_pushButton_3_clicked(self):  """  Slot documentation goes here.  """  try:   # 查询单词本,把单词本显示在textBrowser中   file=open('words.txt', 'rt')      list=file.readlines()   msg=''.join(list)   self.textBrowser.setText(msg)   file.close()  except Exception as e:     print(e)     @pyqtSlot() def on_pushButton_4_clicked(self):  """  Slot documentation goes here.  """  word=self.lineEdit.text()  try:   # 把所查询单词插入单词本中   file=open('words.txt', 'at')   file.write(word)   file.write('/n')   file.close()  except Exception as e:   print(e)       if __name__ == "__main__": import sys app = QtWidgets.QApplication(sys.argv) # 启动界面的实现,可以使程序更加炫酷 splash=QtWidgets.QSplashScreen(QPixmap("Saved Pictures/5b517f520feaa.jpg")) # 启动界面显示 splash.show() # 在启动界面中显示程序加载进度，参数意思分别为居中显示，蓝色字体 splash.showMessage('正在加载图片资源', Qt.AlignCenter, Qt.blue) time.sleep(1) # 为了不与主程序干扰 app.processEvents() ui = MainWindow() ui.show() # 启动界面完成 splash.finish(ui) sys.exit(app.exec_())

from PyQt5 import QtCore, QtGui, QtWidgets class Ui_E_Dictory(object): def setupUi(self, E_Dictory):  E_Dictory.setObjectName("E_Dictory")  E_Dictory.resize(658, 474)  icon = QtGui.QIcon()  icon.addPixmap(QtGui.QPixmap("icon/24-monitor.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)  E_Dictory.setWindowIcon(icon)  self.centralWidget = QtWidgets.QWidget(E_Dictory)  self.centralWidget.setObjectName("centralWidget")  self.pushButton = QtWidgets.QPushButton(self.centralWidget)  self.pushButton.setGeometry(QtCore.QRect(390, 400, 91, 31))  font = QtGui.QFont()  font.setFamily("黑体")  font.setPointSize(14)  self.pushButton.setFont(font)  self.pushButton.setObjectName("pushButton")  self.label_2 = QtWidgets.QLabel(self.centralWidget)  self.label_2.setGeometry(QtCore.QRect(100, 400, 51, 31))  font = QtGui.QFont()  font.setFamily("黑体")  font.setPointSize(14)  self.label_2.setFont(font)  self.label_2.setObjectName("label_2")  self.textBrowser = QtWidgets.QTextBrowser(self.centralWidget)  self.textBrowser.setGeometry(QtCore.QRect(100, 110, 381, 271))  self.textBrowser.setStyleSheet("background-color: rgb(242, 255, 233);")  self.textBrowser.setObjectName("textBrowser")  self.lineEdit = QtWidgets.QLineEdit(self.centralWidget)  self.lineEdit.setGeometry(QtCore.QRect(160, 400, 211, 31))  font = QtGui.QFont()  font.setFamily("楷体")  font.setPointSize(10)  self.lineEdit.setFont(font)  self.lineEdit.setText("")  self.lineEdit.setObjectName("lineEdit")  self.label = QtWidgets.QLabel(self.centralWidget)  self.label.setGeometry(QtCore.QRect(240, 60, 151, 31))  font = QtGui.QFont()  font.setFamily("楷体")  font.setPointSize(14)  font.setBold(False)  font.setWeight(50)  self.label.setFont(font)  self.label.setObjectName("label")  self.pushButton_2 = QtWidgets.QPushButton(self.centralWidget)  self.pushButton_2.setGeometry(QtCore.QRect(510, 140, 75, 23))  self.pushButton_2.setObjectName("pushButton_2")  self.pushButton_3 = QtWidgets.QPushButton(self.centralWidget)  self.pushButton_3.setGeometry(QtCore.QRect(510, 220, 75, 23))  self.pushButton_3.setObjectName("pushButton_3")  self.pushButton_4 = QtWidgets.QPushButton(self.centralWidget)  self.pushButton_4.setGeometry(QtCore.QRect(510, 310, 75, 23))  self.pushButton_4.setObjectName("pushButton_4")  self.graphicsView = QtWidgets.QGraphicsView(self.centralWidget)  self.graphicsView.setGeometry(QtCore.QRect(0, 0, 661, 471))  self.graphicsView.setStyleSheet("border-image: url(:/pic/Saved Pictures/f3cb924702022fc35eb6f865d67e23a6.jpg);")  self.graphicsView.setObjectName("graphicsView")  self.graphicsView.raise_()  self.pushButton.raise_()  self.label_2.raise_()  self.textBrowser.raise_()  self.lineEdit.raise_()  self.label.raise_()  self.pushButton_2.raise_()  self.pushButton_3.raise_()  self.pushButton_4.raise_()  E_Dictory.setCentralWidget(self.centralWidget)   self.retranslateUi(E_Dictory)  QtCore.QMetaObject.connectSlotsByName(E_Dictory)  def retranslateUi(self, E_Dictory):  _translate = QtCore.QCoreApplication.translate  E_Dictory.setWindowTitle(_translate("E_Dictory", "无道词典"))  self.pushButton.setText(_translate("E_Dictory", "查找"))  # 快捷键回车,可以使查找按钮发生效果  self.pushButton.setShortcut(_translate("E_Dictory", "Return"))  self.label_2.setText(_translate("E_Dictory", "单词："))  # setHtml样式表可以按照自己喜好修改  self.textBrowser.setHtml(_translate("E_Dictory", "<!DOCTYPE HTML PUBLIC /"-//W3C//DTD HTML 4.0//EN/" /"http://www.w3.org/TR/REC-html40/strict.dtd/">/n""<html><head><meta name=/"qrichtext/" content=/"1/" /><style type=/"text/css/">/n""p, li { white-space: pre-wrap; }/n""</style></head><body style=/" font-family:/'SimSun/'; font-size:9pt; font-weight:400; font-style:normal;/">/n""<p style=/" margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;/"><br /></p></body></html>"))  self.label.setText(_translate("E_Dictory", "查询单词"))  self.pushButton_2.setText(_translate("E_Dictory", "历史记录"))  self.pushButton_3.setText(_translate("E_Dictory", "单词本"))  self.pushButton_4.setText(_translate("E_Dictory", "添加单词")) import dict_rc if __name__ == "__main__": import sys app = QtWidgets.QApplication(sys.argv) E_Dictory = QtWidgets.QMainWindow() ui = Ui_E_Dictory() ui.setupUi(E_Dictory) E_Dictory.show() sys.exit(app.exec_())