python大作业之单词记忆测试系统

采用pyqt5界面开发，并从csv文件中随机获取20个单词

from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
import sys
import pandas as pd
import random


global right_num
global spend_time
global word_list

right_num=0
spend_time=0

sty='''
QWidget {
  /* Set all widgets to be centered */
  qproperty-alignment: AlignCenter;
}

QLabel {
  /* Set the label font size and color */
  font-size: 36px;
  color: blue;
  /* Set the label text shadow */
  text-shadow: 0px 0px 5px white;
}

QPushButton {
  /* Set the button font size and color */
  font-size: 24px;
  color: white;
  /* Set the button background gradient */
  background: qradialgradient(cx:0.5, cy:0.5, radius:1,
    fx:0.5, fy:0.5,
    stop:0 #00ffff, stop:0.5 #008080, stop:1 #00ffff);
  /* Set the button border and border radius */
  border: 3px solid black;
  border-radius: 10px;
  /* Set the button box shadow */
  box-shadow: inset -5px -5px 10px rgba(0,0,0,0.5),
              inset 5px 5px 10px rgba(255,255,255,0.5);
}

QPushButton:hover {
  /* Set the button background gradient when hovered */
  background: qradialgradient(cx:0.5, cy:0.5, radius:1,
    fx:0.5, fy:0.5,
    stop:0 #ff00ff, stop:0.5 #800080, stop:1 #ff00ff);
}

QLineEdit {
  border: 2px solid blue;
  border-radius: 5px;
  background-color: lightblue;
}

QLineEdit:hover {
  border-color: green;
  background-color: lightgreen;
}

QLineEdit:read-only {
  border-color: gray;
  background-color: lightgray;
}

'''
def getwords():
    # 读取数据集
    df = pd.read_csv("EnWords.csv")

    # 获取单词列
    words = df["word"]
    global word_list
    # 生成一个20个单词的随机列表
    word_list = random.sample(list(words), 20)

class Memory(QWidget):
    def __init__(self):
        self.head=None
        self.start=None
        self.end=None
        self.mainWindow=None
        super(Memory,self).__init__()
        self.setup_ui()


    def setup_ui(self):
        self.resize(600,400)
        self.setWindowTitle("单词记忆测试系统")
        self.setWindowIcon(QIcon("cover.jfif"))
        self.setStyleSheet(sty)


        box=QVBoxLayout(self)
        box.setSpacing(40)


        head=QLabel(self)
        head.setText("单词记忆测试系统")

        #开始按钮
        start=QPushButton(self)
        start.setText("开始")

        #结束按钮
        end=QPushButton(self)
        end.setText("关闭系统")



        self.head=head
        self.start=start
        self.end=end

        start.clicked.connect(self.open_mainwindow)
        end.clicked.connect(self.my_close)

        box.addWidget(head)
        box.addWidget(start)
        box.addWidget(end)

    def open_mainwindow(self):
        self.mainWindow=MainWindow()
        self.mainWindow.show()
        self.close()


    def my_close(self):
        box=QMessageBox()
        box.setWindowIcon(QIcon("img.png"))
        box.setWindowTitle("关闭确认")
        box.setText("是否要关闭系统？")
        box.setStandardButtons(QMessageBox.Yes|QMessageBox.No)
        Y=box.button(QMessageBox.Yes)
        Y.setText("确定")
        N=box.button(QMessageBox.No)
        N.setText("取消")
        box.exec_()
        if box.clickedButton() == Y:
           self.close()
        else:
            pass

class MainWindow(QWidget):
    def __init__(self):
        self.grid=None
        self.memoryTest=None
        self.exam=None
        global right_num
        global spend_time
        right_num=0
        spend_time=0
        super(MainWindow,self).__init__()
        self.setup_ui()

    def setup_ui(self):
        self.resize(800,700)
        self.setWindowTitle("单词记忆测试系统")
        self.setWindowIcon(QIcon("cover.jfif"))
        self.setStyleSheet(sty)


        grid=QGridLayout()
        grid.setSpacing(20)

        box = QVBoxLayout(self)

        button1=QPushButton(self)
        button1.setText("更新单词")
        button1.clicked.connect(self.setup_words)

        button2=QPushButton(self)
        button2.setText("开始测试")
        button3=QPushButton(self)
        button3.setText("回到主界面")

        button2.clicked.connect(self.start_exam)
        button3.clicked.connect(self.back_memory)

        box.addLayout(grid)
        box.addWidget(button1)
        box.addWidget(button2)
        box.addWidget(button3)

        self.grid=grid

        self.setup_words()

    def start_exam(self):
        self.exam=Exam()
        self.exam.show()
        self.close()

    def setup_words(self):
        getwords()
        num=0
        for i in range(5):
            for j in range(4):
                if self.grid.itemAtPosition(i,j):
                    self.grid.itemAtPosition(i,j).widget().deleteLater()
                word=QLabel("%d:%s"%(i*4+j+1,word_list[num]))
                num=num+1
                self.grid.addWidget(word,i,j,1,1)

    def back_memory(self):
        box = QMessageBox()
        box.setWindowIcon(QIcon("img.png"))
        box.setWindowTitle("关闭确认")
        box.setText("是否回到主界面？")
        box.setStandardButtons(QMessageBox.Yes | QMessageBox.No)
        Y = box.button(QMessageBox.Yes)
        Y.setText("确定")
        N = box.button(QMessageBox.No)
        N.setText("取消")
        box.exec_()
        if box.clickedButton() == Y:
            self.memoryTest=Memory()
            self.memoryTest.show()
            self.close()
        else:
            pass

class Exam(QWidget):
    def __init__(self):
        self.form=None
        self.word_num=None
        self.word=None
        self.rnum=0
        self.num=0
        self.count = 0
        self.timecont=None
        self.res=None
        super(Exam,self).__init__()
        self.setup_ui()

    def setup_ui(self):
        self.resize(400,200)
        self.setWindowTitle("单词记忆测试系统")
        self.setWindowIcon(QIcon("cover.jfif"))
        self.setStyleSheet(sty)

        form=QFormLayout(self)


        timecont=QLabel(self)
        timer=QTimer(self)
        timer.start(1000)
        timecont.setText("开始计时!")
        timer.timeout.connect(self.update_count)
        form.addRow(timecont)

        word_num=QLabel(self)
        word_num.setText("第%d个单词:"%(self.num+1))
        word=QLineEdit(self)
        word.setPlaceholderText("请输入答案")
        form.addRow(word_num,word)
        sub=QPushButton(self)
        sub.setText("确定")
        complete=QPushButton("完成测试")
        sub.clicked.connect(self.check_word)
        complete.clicked.connect(self.start_res)
        form.addRow(sub)
        form.addRow(complete)

        self.word=word
        self.word_num=word_num
        self.timecont=timecont
    def check_word(self):
        i=self.num
        answer=word_list[i]
        if answer == self.word.text():
            Y=QMessageBox.information(self,"回答结果","恭喜你答对了!",QMessageBox.Yes)
            self.rnum=self.rnum+1
            global right_num
            right_num=self.rnum

        else:
            N=QMessageBox.information(self,"回答结果","很遗憾,正确答案为%s"%(word_list[i]),QMessageBox.Yes)
        self.num=i+1
        self.word_num.setText("第%d个单词:"%(self.num+1))
        self.word.setText("")
        if self.num >= 20:
            self.res = Res()
            self.res.show()
            self.close()


    def update_count(self):
        # 更新计数值，每次加1
        self.count += 1
        global spend_time
        spend_time=self.count
        h=self.count/3600
        m=(self.count%60)/60
        s=self.count%60
        # 在标签上显示计数值
        self.timecont.setText("用时 :%d时%d分%d秒"%(h,m,s))




    def start_res(self):
        self.res=Res()
        self.res.show()
        self.close()


class Res(QWidget):
    def __init__(self):
        self.mainwindow=None
        self.memory=None
        super(Res,self).__init__()
        self.setup_ui()

    def setup_ui(self):
        self.resize(800, 700)
        self.setWindowTitle("单词记忆测试系统")
        self.setWindowIcon(QIcon("cover.jfif"))
        self.setStyleSheet(sty)
        box=QVBoxLayout(self)
        box.setSpacing(30)
        head=QLabel(self)
        score=QLabel(self)
        t=QLabel(self)
        button1=QPushButton(self)
        button2=QPushButton(self)
        head.setText("您的成绩单")
        global right_num
        global spend_time
        r=right_num
        st=spend_time
        h = st / 3600
        m = (st % 60) / 60
        s = st % 60
        score.setText("正确的个数:%d"%r)
        t.setText("时间:%d时%d分%d秒"%(h,m,s))
        button1.setText("再次测试")
        button2.setText("回到主界面")

        button1.clicked.connect(self.back_mainwindow)
        button2.clicked.connect(self.back_memory)

        box.addWidget(head)
        box.addWidget(score)
        box.addWidget(t)
        box.addWidget(button1)
        box.addWidget(button2)

    def back_memory(self):
        self.memory=Memory()
        self.memory.show()
        self.close()

    def back_mainwindow(self):
        self.mainwindow=MainWindow()
        self.mainwindow.show()
        self.close()


if __name__ == '__main__':
    app=QApplication(sys.argv)
    test=Memory()
    test.show()
    sys.exit(app.exec_())

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