pyqt5：openpyxl 读取 Excel文件，显示在 QTableWidget 中

pip install openpyxl
openpyxl-3.1.2-py2.py3-none-any.whl (249 kB)
et_xmlfile-1.1.0-py3-none-any.whl (4.7 kB)
摘要：A Python library to read/write Excel 2010 xlsx/xlsm files

pip install pyqt5; 
pip install pyqt5-tools; 

编写 openpyxl_pyqt5.py 如下

# -*- coding: utf-8 -*-
import os
import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QFileDialog, QMessageBox
from PyQt5.QtWidgets import QTableWidget, QTableWidgetItem
from openpyxl import load_workbookclass ExcelReader(QMainWindow):def __init__(self):super().__init__()# 设置窗口属性self.setWindowTitle("Excel Reader")self.setGeometry(100, 100, 800, 600)# 选择.xlsx文件名file_name, _ = QFileDialog.getOpenFileName(self, "Open Excel File", "", "xlsx Files (*.xlsx)")if file_name:self.file_path = file_nameelse:sys.exit(1)if not os.path.exists(self.file_path):print(f'Error: {self.file_path} not found.')sys.exit(2)# 加载Excel文件book = load_workbook(filename=self.file_path)sheet = book.activenrows = sheet.max_row    # 取最大行数ncols = sheet.max_column # 取最大列数if ncols > 26:print(f" columns: {ncols} > 26 !")ncols = 26# 创建表格控件self.table = QTableWidget()self.table.setRowCount(nrows) # 设置行数self.table.setColumnCount(ncols)  # 设置列数headers = tuple("ABCDEFGHIJKLMNOPQRSTUVWXYZ")self.table.setHorizontalHeaderLabels(headers[0:ncols])self.setCentralWidget(self.table)# 遍历Excel数据并插入到表格控件中row = 0for row_data in sheet.iter_rows():col = 0for cell in row_data:v = cell.valuet = cell.data_typeif v is None:item = QTableWidgetItem('')elif t in ('s','t'): # str, textitem = QTableWidgetItem(v)elif t =='n': # numberif v%1 ==0: # intitem = QTableWidgetItem("%d" %v)else: # floatitem = QTableWidgetItem("%.4f" %v)elif t =='d': # dateitem = QTableWidgetItem(v.strftime('%Y-%m-%d'))else:item = QTableWidgetItem(str(v))self.table.setItem(row, col, item)col += 1row += 1#if __name__ == "__main__":app = QApplication(sys.argv)reader = ExcelReader()reader.show()sys.exit(app.exec_())

运行 python openpyxl_pyqt5.py