服务器之家

服务器之家 > 正文

Pyqt5实现英文学习词典

时间:2021-07-19 00:39     来源/作者:俊俊~

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。

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

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
# -*- 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"))

3、后台源码

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
from PyQt5.QtWidgets import *
class DIC:
 def __init__(self, ui, mainWnd):
 self.ui = ui
 self.mainWnd = mainWnd
 self.mainWnd.setWindowTitle('英文学习词典 作者:申俊')
 self.ui.pushButton_add.clicked.connect(self.add)
 self.ui.pushButton_reset.clicked.connect(self.reset)
 self.ui.pushButton_find.clicked.connect(self.find)
 self.ui.pushButton_del.clicked.connect(self.delate)
 
 def add(self):
 yinwen = self.ui.lineEdit_English.text()
 zhongwen = self.ui.lineEdit_chinese.text()
 print("添加:", yinwen, zhongwen)
 flag = 0
 dic = {}
 try:
  f = open("2016117249.txt", 'r')
 except FileNotFoundError:
  open("2016117249.txt", mode='w', encoding='utf-8')
  f = open("2016117249.txt", 'r')
 for line in f.readlines():
  line = line.replace("\n", "")
  line = list(line.split(","))
  key = line[0]
  coment = line[1:]
  dic[key] = coment
  if yinwen in dic.keys():
  f.close()
  flag = 1
  self.ui.label_result.setText("该单词已添加到字典库!")
  break
  else:
  f.close()
 if flag != 1:
  fw = open("2016117249.txt", 'a')
  try:
  fw.write(yinwen + ',' + zhongwen + '\n')
  self.ui.label_result.setText("添加成功!")
  except:
  self.ui.label_result.setText("添加失败!")
  fw.close()
 
 def reset(self):
 self.ui.lineEdit_chinese.clear()
 self.ui.lineEdit_English.clear()
 self.ui.label_result.setText("")
 
 
 def find(self):
 w = self.ui.lineEdit_find.text()
 fr = open("2016117249.txt", 'r')
 dic = {}
 for line in fr.readlines():
  line = line.replace("\n", "") # 去除每一行末尾的换行符
  line = list(line.split(",")) # 将每行的英文与各个汉语意思分隔开,生成一个列表
  key = line[0] # 将每行开头的英文设置为键
  coment = line[1:] # 将1往后位置的所有汉语意思设置为值
  dic[key] = coment # 设置字典
 if w in dic.keys(): # 如果输入的单词存在,则对其键值打印
  self.ui.label_result.setText("翻译结果:" + str(dic[w]))
 else:
  self.ui.label_result.setText("字典库中未找到这个单词")
 fr.close()
 
 def delate(self):
 reply = QMessageBox.question(self.mainWnd, 'Message', '确认删除',
     QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
 if reply == QMessageBox.Yes:
  word = self.ui.lineEdit_del.text()
  lines = [l for l in open("2016117249.txt", "r") if l.find(word, 0, len(word)) != 0]
  fd = open("2016117249.txt", "w")
  try:
  fd.writelines(lines)
  self.ui.label_del.setText(word + "已经被删除")
  except:
  self.ui.label_del.setText(word + "删除失败")
  fd.close()

4、主程序

?
1
2
3
4
5
6
7
8
9
10
11
12
13
import sys
from dic_UI import Ui_MainWindow
from PyQt5.QtWidgets import *
from dictionary import DIC
if __name__ == '__main__':
 app = QApplication(sys.argv)
 mainWnd = QMainWindow()
 ui = Ui_MainWindow()
 # 可以理解成将创建的 ui 绑定到新建的 mainWnd 上
 ui.setupUi(mainWnd)
 display = DIC(ui, mainWnd)
 mainWnd.show()
 sys.exit(app.exec_())

 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。

原文链接:https://blog.csdn.net/qq_40602000/article/details/91347126

标签:

相关文章

热门资讯

2020微信伤感网名听哭了 让对方看到心疼的伤感网名大全
2020微信伤感网名听哭了 让对方看到心疼的伤感网名大全 2019-12-26
yue是什么意思 网络流行语yue了是什么梗
yue是什么意思 网络流行语yue了是什么梗 2020-10-11
背刺什么意思 网络词语背刺是什么梗
背刺什么意思 网络词语背刺是什么梗 2020-05-22
苹果12mini价格表官网报价 iPhone12mini全版本价格汇总
苹果12mini价格表官网报价 iPhone12mini全版本价格汇总 2020-11-13
2021德云社封箱演出完整版 2021年德云社封箱演出在线看
2021德云社封箱演出完整版 2021年德云社封箱演出在线看 2021-03-15
返回顶部