PyQt5-QTableWidget

1.设计的GUI界面为：

2.对象查看器

3.myWidget.py文件

import sys
from PyQt5.QtWidgets import (QApplication, QMainWindow,QLabel, QTableWidgetItem, QAbstractItemView)
from enum import Enum ##枚举类型
from PyQt5.QtCore import pyqtSlot, Qt, QDate
from PyQt5.QtGui import QFont, QBrush
from ui_QtApp import Ui_MainWindow

class CellType(Enum): ##各单元格的类型
    ctName=1000
    ctSex =1001
    ctBirth =1002
    ctNation=1003
    ctScore=1004
    ctPartyM=1005

class FieldColNum(Enum):##各字段在表格中的列号
    colName=0
    colSex=1
    colBirth=2
    colNation=3
    colScore=4
    colPartyM=5

class QmyMainWindow(QMainWindow):
    def __init__(self, parent=None):
        super().__init__(parent) #调用父类构造函数，创建窗体
        self.ui=Ui_MainWindow() #创建UI对象
        self.ui.setupUi(self) #构造UI
        self.LabCellIndex=QLabel("当前单元格坐标：",self)
        self.LabCellIndex.setMinimumWidth(250)
        self.LabCellType=QLabel("当前单元格类型：",self)
        self.LabCellType.setMinimumWidth(200)
        self.LabStudID=QLabel("学生ID:",self)
        self.LabStudID.setMinimumWidth(200)
        self.ui.statusbar.addWidget(self.LabCellIndex) #添加到状态栏
        self.ui.statusbar.addWidget(self.LabCellType)
        self.ui.statusbar.addWidget(self.LabStudID)
        self.ui.tableWidget.setAlternatingRowColors(True) #交替行颜色
        self.__tableInitialized=False # 表格数据未初始化、

    @pyqtSlot()  ##"设置表头”按钮
    def on_pushButton_clicked(self):
        headerText = ["姓名", "性别", "出生日期", "民族", "分数", "是否党员"]
        self.ui.tableWidget.setColumnCount(len(headerText))  # 列数
        for i in range(len(headerText)):
            headerItem = QTableWidgetItem(headerText[i])
            font = headerItem.font()
            font.setPointSize(11)
            headerItem.setFont(font)
            headerItem.setForeground(QBrush(Qt.red))  # 前景色，即文字颜色
            self.ui.tableWidget.setHorizontalHeaderItem(i, headerItem)

    @pyqtSlot() ##设置行数按钮
    def on_pushButton_2_clicked(self):
        self.ui.tableWidget.setRowCount(self.ui.spinBox.value())
        #设置工作区行数
        self.ui.tableWidget.setAlternatingRowColors(self.ui.checkBox_2.isChecked())
        #设置交替行背景色

    @pyqtSlot()  ##初始化表格数据
    def on_pushButton_3_clicked(self):
        self.ui.tableWidget.clearContents()  # 清除表格内容
        birth = QDate(1998, 6, 23)
        isParty = True
        nation = "汉族"
        score = 70

        rowCount = self.ui.tableWidget.rowCount()  # 表格行数
        for i in range(rowCount):
            strName = "学生%d" % i
            if ((i % 2) == 0):
                strSex = "男"
            else:
                strSex = "女"
            self.__createItemsARow(i, strName, strSex, birth, nation, isParty, score)
            birth = birth.addDays(20)
            isParty = not isParty
        self.__tableInitialized = True  # 表格数据已初始化

    def __createItemsARow(self, rowNo, name, sex, birth, nation, isParty, score):
        StudID = 201805000 + rowNo  # 学号
        ##姓名
        item = QTableWidgetItem(name, CellType.ctName.value)
        item.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
        font = item.font()
        font.setBold(True)
        item.setFont(font)
        item.setData(Qt.UserRole, StudID)  # 关联数据
        self.ui.tableWidget.setItem(rowNo, FieldColNum.colName.value, item)

        ##性别
        item = QTableWidgetItem(sex, CellType.ctSex.value)
        item.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
        self.ui.tableWidget.setItem(rowNo, FieldColNum.colSex.value, item)

        ##出生日期
        strBitrh = birth.toString("yyyy-MM-dd")  # 日期转换为字符串
        item = QTableWidgetItem(strBitrh, CellType.ctBirth.value)
        item.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
        self.ui.tableWidget.setItem(rowNo, FieldColNum.colBirth.value, item)

        ##民族
        item = QTableWidgetItem(nation, CellType.ctNation.value)
        item.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
        if (nation != "汉族"):
            item.setForeground(QBrush(Qt.blue))
        self.ui.tableWidget.setItem(rowNo, FieldColNum.colNation.value, item)

        ##分数
        strScore = str(score)
        item = QTableWidgetItem(strScore, CellType.ctScore.value)
        item.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
        self.ui.tableWidget.setItem(rowNo, FieldColNum.colScore.value, item)

        ##党员
        item = QTableWidgetItem("党员", CellType.ctPartyM.value)
        item.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
        if (isParty == True):
            item.setCheckState(Qt.Checked)
        else:
            item.setCheckState(Qt.Unchecked)
        item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled | Qt.ItemIsUserCheckable)  # 不允许编辑文字
        item.setBackground(QBrush(Qt.yellow))
        self.ui.tableWidget.setItem(rowNo, FieldColNum.colPartyM.value, item)

    @pyqtSlot(int,int,int,int)  ##当前单元格发生变化
    def on_tableWidget_currentCellChanged(self,currentRow,currentColumn,previousRow,previousColumn):
        if (self.__tableInitialized == False):  # 表格数据未初始化
            return
        item = self.ui.tableWidget.item(currentRow, currentColumn)
        if (item == None):
            return
        self.LabCellIndex.setText("当前单元格: %d行，%d列" %(currentRow, currentColumn))
        itemCellType = item.type()  # 获取单元格的类型
        self.LabCellType.setText("当前单元格类型:%d" %itemCellType)
        item2 = self.ui.tableWidget.item(currentRow, FieldColNum.colName.value)
        studID = item2.data(Qt.UserRole)  # 读取用户自定义数据
        self.LabStudID.setText("学生ID:%d" %studID)

    @pyqtSlot()  # 插入行
    def on_pushButton_4_clicked(self):
        curRow = self.ui.tableWidget.currentRow()  # 当前行号
        self.ui.tableWidget.insertRow(curRow)
        birth = QDate.fromString("1998-4-5","yyyy-M-d")
        self.__createItemsARow(curRow,"新学生","男", birth,"苗族",True, 65)

    @pyqtSlot()  # 添加行
    def on_pushButton_5_clicked(self):
        curRow = self.ui.tableWidget.rowCount()
        self.ui.tableWidget.insertRow(curRow)
        birth = QDate.fromString("1999-1-10","yyyy-M-d")
        self.__createItemsARow(curRow, "新生","女", birth, "土家族",False,86)

    @pyqtSlot()  ##删除当前行
    def on_pushButton_6_clicked(self):
        curRow = self.ui.tableWidget.currentRow()# 当前行号
        self.ui.tableWidget.removeRow(curRow)

    @pyqtSlot()  # 清空表格内容
    def on_pushButton_7_clicked(self):
        self.ui.tableWidget.clearContents()

    @pyqtSlot()  ##自动行高
    def on_pushButton_8_clicked(self):
        self.ui.tableWidget.resizeRowsToContents()

    @pyqtSlot()  ##自动列宽
    def on_pushButton_9_clicked(self):
        self.ui.tableWidget.resizeColumnsToContents()

    @pyqtSlot(bool)  ##"表格可编辑"
    def on_checkBox_clicked(self,checked):
        if (checked):
            trig = (QAbstractItemView.DoubleClicked | QAbstractItemView.SelectedClicked)
        else:
            trig = QAbstractItemView.NoEditTriggers
        # 不允许编辑
        self.ui.tableWidget.setEditTriggers(trig)

    @pyqtSlot(bool)  ##是否显示行表头
    def on_checkBox_3_clicked(self, checked):
        self.ui.tableWidget.horizontalHeader().setVisible(checked)

    @pyqtSlot(bool)  # 是否显示列表头
    def on_checkBox_4_clicked(self, checked):
        self.ui.tableWidget.verticalHeader().setVisible(checked)

    @pyqtSlot(bool)  ##间隔行底色
    def on_checkBox_2_clicked(self, checked):
        self.ui.tableWidget.setAlternatingRowColors(checked)

    @pyqtSlot()  ##选择模式：行选择
    def on_radioButton_clicked(self):
        selMode = QAbstractItemView.SelectRows
        self.ui.tableWidget.setSelectionBehavior(selMode)

    @pyqtSlot()  ##选择模式：单元格选择
    def on_radioButton_2_clicked(self):
        selMode = QAbstractItemView.SelectItems
        self.ui.tableWidget.setSelectionBehavior(selMode)

    @pyqtSlot()  ##读取表格到文本
    def on_pushButton_10_clicked(self):
        self.ui.plainTextEdit.clear()
        rowCount = self.ui.tableWidget.rowCount()  # 行数
        colCount = self.ui.tableWidget.columnCount()  # 列表
        for i in range(rowCount):
            strText = "第 %d行：" % (i + 1)
            for j in range(colCount-1):
                cellItem = self.ui.tableWidget.item(i, j)
                strText = strText + cellItem.text() + "  "
            cellItem = self.ui.tableWidget.item(i, colCount - 1)  # 最后一列
            if (cellItem.checkState() == Qt.Checked):
                strText = strText + "党员"
            else:
                strText = strText + "群众"
            self.ui.plainTextEdit.appendPlainText(strText)

if __name__ == "__main__": ##用于当前窗体测试
    app=QApplication(sys.argv) #创建GUI应用程序
    form=QmyMainWindow() #创建窗体
    form.show()
    sys.exit(app.exec_())

4.appMain.py文件

## GUI应用程序主程序
import sys
from PyQt5.QtWidgets import  QApplication
from myWidget import  QmyMainWindow

app = QApplication(sys.argv) # 创建app，用QApplication类
myWidget = QmyMainWindow() #创建窗体
myWidget.show()
sys.exit(app.exec_())

5.最终效果图

动态展示：