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Pyqt5实现英文学习词典-创新互联

运用Python语言编写程序制作英文学习词典，词典有4个基本功能：添加、查询、删除和退出。程序读取源文件路径下的txt格式词典文件，若没有就创建一个。词典文件存储方式为“英文单词 中文单词”，每行仅有一对中英释义。程序会根据用户的选择进入相应的功能模块，并显示相应的操作提示。当添加的单词已存在时，显示“该单词已添加到字典库”；当查询的单词不存在时，显示“字典库中未找到这个单词”；但需要删除某个单词时先查询再删除该单词的全部中英文释义。

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一、演示效果

1、整体效果

Pyqt5实现英文学习词典

2、添加：

Pyqt5实现英文学习词典

Pyqt5实现英文学习词典

3、添加相同单词时：

Pyqt5实现英文学习词典

4、查找

Pyqt5实现英文学习词典

5、查找文档中不存在时

Pyqt5实现英文学习词典

5、删除

Pyqt5实现英文学习词典

Pyqt5实现英文学习词典

Pyqt5实现英文学习词典

Pyqt5实现英文学习词典

二、源码

PyCharm + Python3 + PyQt5

1、工程结构

Pyqt5实现英文学习词典

2、PyQt5设计UI源码

# -*- coding: utf-8 -*-
 
# Form implementation generated from reading ui file 'dic_UI.ui'
#
# Created by: PyQt5 UI code generator 5.11.3
#
# WARNING! All changes made in this file will be lost!
 
from PyQt5 import QtCore, QtGui, QtWidgets
 
class Ui_MainWindow(object):
 def setupUi(self, MainWindow):
 MainWindow.setObjectName("MainWindow")
 MainWindow.resize(672, 634)
 MainWindow.setStyleSheet("background-color: rgb(0, 0, 255);")
 self.centralwidget = QtWidgets.QWidget(MainWindow)
 self.centralwidget.setObjectName("centralwidget")
 self.verticalLayout = QtWidgets.QVBoxLayout(self.centralwidget)
 self.verticalLayout.setObjectName("verticalLayout")
 self.gridLayout_4 = QtWidgets.QGridLayout()
 self.gridLayout_4.setObjectName("gridLayout_4")
 self.groupBox = QtWidgets.QGroupBox(self.centralwidget)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.groupBox.setFont(font)
 self.groupBox.setStyleSheet("color: rgb(255, 255, 255);")
 self.groupBox.setObjectName("groupBox")
 self.widget = QtWidgets.QWidget(self.groupBox)
 self.widget.setGeometry(QtCore.QRect(20, 40, 601, 131))
 self.widget.setObjectName("widget")
 self.gridLayout = QtWidgets.QGridLayout(self.widget)
 self.gridLayout.setContentsMargins(0, 0, 0, 0)
 self.gridLayout.setObjectName("gridLayout")
 self.label_2 = QtWidgets.QLabel(self.widget)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.label_2.setFont(font)
 self.label_2.setObjectName("label_2")
 self.gridLayout.addWidget(self.label_2, 0, 0, 1, 1)
 self.lineEdit_English = QtWidgets.QLineEdit(self.widget)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.lineEdit_English.setFont(font)
 self.lineEdit_English.setStyleSheet("background-color: rgb(255, 255, 255);\n"
"color: rgb(0, 0, 0);")
 self.lineEdit_English.setText("")
 self.lineEdit_English.setObjectName("lineEdit_English")
 self.gridLayout.addWidget(self.lineEdit_English, 0, 1, 1, 1)
 self.pushButton_add = QtWidgets.QPushButton(self.widget)
 font = QtGui.QFont()
 font.setPointSize(16)
 self.pushButton_add.setFont(font)
 self.pushButton_add.setObjectName("pushButton_add")
 self.gridLayout.addWidget(self.pushButton_add, 0, 2, 1, 1)
 self.label_3 = QtWidgets.QLabel(self.widget)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.label_3.setFont(font)
 self.label_3.setObjectName("label_3")
 self.gridLayout.addWidget(self.label_3, 1, 0, 1, 1)
 self.lineEdit_chinese = QtWidgets.QLineEdit(self.widget)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.lineEdit_chinese.setFont(font)
 self.lineEdit_chinese.setStyleSheet("background-color: rgb(255, 255, 255);\n"
"color: rgb(0, 0, 0);")
 self.lineEdit_chinese.setObjectName("lineEdit_chinese")
 self.gridLayout.addWidget(self.lineEdit_chinese, 1, 1, 1, 1)
 self.pushButton_reset = QtWidgets.QPushButton(self.widget)
 font = QtGui.QFont()
 font.setPointSize(16)
 self.pushButton_reset.setFont(font)
 self.pushButton_reset.setObjectName("pushButton_reset")
 self.gridLayout.addWidget(self.pushButton_reset, 1, 2, 1, 1)
 self.gridLayout_4.addWidget(self.groupBox, 0, 0, 1, 1)
 self.groupBox_2 = QtWidgets.QGroupBox(self.centralwidget)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.groupBox_2.setFont(font)
 self.groupBox_2.setStyleSheet("color: rgb(255, 255, 255);")
 self.groupBox_2.setObjectName("groupBox_2")
 self.widget1 = QtWidgets.QWidget(self.groupBox_2)
 self.widget1.setGeometry(QtCore.QRect(40, 40, 561, 131))
 self.widget1.setObjectName("widget1")
 self.gridLayout_2 = QtWidgets.QGridLayout(self.widget1)
 self.gridLayout_2.setContentsMargins(0, 0, 0, 0)
 self.gridLayout_2.setObjectName("gridLayout_2")
 self.label_4 = QtWidgets.QLabel(self.widget1)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.label_4.setFont(font)
 self.label_4.setObjectName("label_4")
 self.gridLayout_2.addWidget(self.label_4, 0, 0, 1, 1)
 self.lineEdit_find = QtWidgets.QLineEdit(self.widget1)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.lineEdit_find.setFont(font)
 self.lineEdit_find.setStyleSheet("background-color: rgb(255, 255, 255);\n"
"color: rgb(0, 0, 0);")
 self.lineEdit_find.setText("")
 self.lineEdit_find.setObjectName("lineEdit_find")
 self.gridLayout_2.addWidget(self.lineEdit_find, 0, 1, 1, 1)
 self.pushButton_find = QtWidgets.QPushButton(self.widget1)
 font = QtGui.QFont()
 font.setPointSize(16)
 self.pushButton_find.setFont(font)
 self.pushButton_find.setObjectName("pushButton_find")
 self.gridLayout_2.addWidget(self.pushButton_find, 0, 2, 1, 1)
 self.groupBox_4 = QtWidgets.QGroupBox(self.widget1)
 self.groupBox_4.setTitle("")
 self.groupBox_4.setObjectName("groupBox_4")
 self.label_result = QtWidgets.QLabel(self.groupBox_4)
 self.label_result.setGeometry(QtCore.QRect(20, 10, 501, 51))
 font = QtGui.QFont()
 font.setPointSize(20)
 self.label_result.setFont(font)
 self.label_result.setText("")
 self.label_result.setAlignment(QtCore.Qt.AlignCenter)
 self.label_result.setObjectName("label_result")
 self.gridLayout_2.addWidget(self.groupBox_4, 1, 0, 1, 3)
 self.gridLayout_4.addWidget(self.groupBox_2, 1, 0, 1, 1)
 self.groupBox_3 = QtWidgets.QGroupBox(self.centralwidget)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.groupBox_3.setFont(font)
 self.groupBox_3.setStyleSheet("color: rgb(255, 255, 255);")
 self.groupBox_3.setObjectName("groupBox_3")
 self.label_del = QtWidgets.QLabel(self.groupBox_3)
 self.label_del.setGeometry(QtCore.QRect(40, 120, 561, 51))
 font = QtGui.QFont()
 font.setPointSize(20)
 self.label_del.setFont(font)
 self.label_del.setText("")
 self.label_del.setAlignment(QtCore.Qt.AlignCenter)
 self.label_del.setObjectName("label_del")
 self.widget2 = QtWidgets.QWidget(self.groupBox_3)
 self.widget2.setGeometry(QtCore.QRect(40, 40, 561, 61))
 self.widget2.setObjectName("widget2")
 self.gridLayout_3 = QtWidgets.QGridLayout(self.widget2)
 self.gridLayout_3.setContentsMargins(0, 0, 0, 0)
 self.gridLayout_3.setObjectName("gridLayout_3")
 self.label_6 = QtWidgets.QLabel(self.widget2)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.label_6.setFont(font)
 self.label_6.setObjectName("label_6")
 self.gridLayout_3.addWidget(self.label_6, 0, 0, 1, 1)
 self.lineEdit_del = QtWidgets.QLineEdit(self.widget2)
 font = QtGui.QFont()
 font.setPointSize(20)
 self.lineEdit_del.setFont(font)
 self.lineEdit_del.setStyleSheet("background-color: rgb(255, 255, 255);\n"
"color: rgb(0, 0, 0);")
 self.lineEdit_del.setText("")
 self.lineEdit_del.setObjectName("lineEdit_del")
 self.gridLayout_3.addWidget(self.lineEdit_del, 0, 1, 1, 1)
 self.pushButton_del = QtWidgets.QPushButton(self.widget2)
 font = QtGui.QFont()
 font.setPointSize(16)
 self.pushButton_del.setFont(font)
 self.pushButton_del.setObjectName("pushButton_del")
 self.gridLayout_3.addWidget(self.pushButton_del, 0, 2, 1, 1)
 self.gridLayout_4.addWidget(self.groupBox_3, 2, 0, 1, 1)
 self.verticalLayout.addLayout(self.gridLayout_4)
 MainWindow.setCentralWidget(self.centralwidget)
 self.menubar = QtWidgets.QMenuBar(MainWindow)
 self.menubar.setGeometry(QtCore.QRect(0, 0, 672, 26))
 self.menubar.setObjectName("menubar")
 MainWindow.setMenuBar(self.menubar)
 self.statusbar = QtWidgets.QStatusBar(MainWindow)
 self.statusbar.setObjectName("statusbar")
 MainWindow.setStatusBar(self.statusbar)
 
 self.retranslateUi(MainWindow)
 QtCore.QMetaObject.connectSlotsByName(MainWindow)
 
 def retranslateUi(self, MainWindow):
 _translate = QtCore.QCoreApplication.translate
 MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
 self.groupBox.setTitle(_translate("MainWindow", "添加词典"))
 self.label_2.setText(_translate("MainWindow", "英文："))
 self.pushButton_add.setText(_translate("MainWindow", "添加"))
 self.label_3.setText(_translate("MainWindow", "中文："))
 self.pushButton_reset.setText(_translate("MainWindow", "重置"))
 self.groupBox_2.setTitle(_translate("MainWindow", "查找词典"))
 self.label_4.setText(_translate("MainWindow", "英文："))
 self.pushButton_find.setText(_translate("MainWindow", "查找"))
 self.groupBox_3.setTitle(_translate("MainWindow", "删除词典"))
 self.label_6.setText(_translate("MainWindow", "英文："))
 self.pushButton_del.setText(_translate("MainWindow", "删除"))

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