pyqt5：pandas 读取 Excel文件或 .etx 电子表格文件，并显示

pip install pandas ;

pip install pyqt5; 
pip install pyqt5-tools; 

编写 pyqt5_read_etx.py 如下

# -*- coding: utf-8 -*-
""" pandas 读取 Excel文件或 .etx 电子表格文件，显示在 QTableWidget 中 """
import os
import sys
import numpy as np
import pandas as pd
from PyQt5.QtWidgets import QApplication, QMainWindow, QFileDialog, QMessageBox
from PyQt5.QtWidgets import QTableWidget, QTableWidgetItem
from PyQt5.uic import loadUi

class EtxReader(QMainWindow):

    def __init__(self):
        super(EtxReader, self).__init__()
        loadUi("readEtx.ui", self)  # Load the UI file
        self.file_path = ""  # To store the file path
        self.df = pd.DataFrame()  # To store the etx data
        self.browse_btn.clicked.connect(self.browse_file)
        self.read_btn.clicked.connect(self.read_etx)

    def browse_file(self):
        """ Open a file dialog to browse .etx file
        """
        file_name, _ = QFileDialog.getOpenFileName(self, "Open etx File", "",
                                "xlsx File(*.xlsx);;etx File(*.etx)")
        if file_name:
            self.file_path = file_name
            self.file_path_line_edit.setText(self.file_path)

    def read_etx(self):
        """ Read .etx file using Pandas and display the data in the table widget.
        """
        if not self.file_path:
            QMessageBox.critical(self, "Error", "Please select an etx file to read.")
            return
        try:
            self.df = pd.read_excel(self.file_path)
            self.table_widget.setRowCount(self.df.shape[0])
            self.table_widget.setColumnCount(self.df.shape[1])
            self.table_widget.setHorizontalHeaderLabels(map(str, self.df.columns))
            #print(list(map(str, self.df.columns)))
            print('shape:', self.df.shape)
            for i in range(self.df.shape[0]):
                for j in range(self.df.shape[1]):
                    v = self.df.iloc[i, j]
                    #print(type(v), v)
                    if (v is None) or (v is np.nan):
                        item = QTableWidgetItem('')
                    elif type(v) is str:
                        item = QTableWidgetItem(v)
                    elif type(v) is int or type(v) is np.int64:
                        item = QTableWidgetItem("%d" %v)
                    elif type(v) is float or type(v) is np.float64:
                        item = QTableWidgetItem("%.4f" %v)
                    else:
                        #print(type(v), v)
                        item = QTableWidgetItem(str(v))
                    self.table_widget.setItem(i, j, item)
        except Exception as e:
            QMessageBox.critical(self, "Error", f"Error: {e}")


if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = EtxReader()
    window.show()
    sys.exit(app.exec_())

编写 readEtx.ui 如下

 ExcelReader
 
  
   
    0
    0
    800
    600
   
  
  
   Excel Reader
  
  
   
    
     
      10
      20
      111
      16
     
    
    
     Excel File:
    
   
   
    
     
      110
      20
      431
      22
     
    
    
     true
    
   
   
    
     
      570
      20
      75
      23
     
    
    
     Browse
    
   
   
    
     
      670
      20
      75
      23
     
    
    
     Read
    
   
   
    
     
      10
      60
      781
      501
     
    
   
  
  
   
    
     0
     0
     800
     26
    
   
  
  
 
 
 

运行 python pyqt5_read_etx.py