主要用到了QGridLayout, QTableWidget文章来源地址https://www.toymoban.com/news/detail-759161.html
import sys
import os
import pandas as pd
from PyQt5.QtWidgets import *
class DataFrameExample(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.setWindowTitle('DataFrame Example')
self.setGeometry(100, 100, 800, 400)
self.layout = QGridLayout() # 使用网格布局
# 左侧文本框
self.text_edit = QTextEdit()
self.layout.addWidget(self.text_edit, 0, 0, 2, 1) # 放大文本框所占的行数
# 中间按钮
self.button_layout = QVBoxLayout() # 按钮布局
self.show_button = QPushButton('Show Next Row')
self.show_button.clicked.connect(self.showNextRow)
self.button_layout.addWidget(self.show_button)
self.explain_button = QPushButton('Show Explain')
self.explain_button.clicked.connect(self.showExplain)
self.button_layout.addWidget(self.explain_button)
self.move_to_table_button = QPushButton('Move to Table')
self.move_to_table_button.clicked.connect(self.moveToTable)
self.button_layout.addWidget(self.move_to_table_button)
self.save_table_button = QPushButton('Save Unknown Word')
self.save_table_button.clicked.connect(self.save_unknown_words)
self.button_layout.addWidget(self.save_table_button)
self.back_button = QPushButton('Back to Last Word')
self.back_button.clicked.connect(self.back2LastRow)
self.button_layout.addWidget(self.back_button)
# 添加一个空白的占位符，使按钮布局竖着排列
self.button_layout.addStretch()
self.layout.addLayout(self.button_layout, 0, 1, 2, 1) # 放大按钮布局所占的行数
# 右侧表格
self.table = QTableWidget()
self.table.setColumnCount(1)
self.table.setHorizontalHeaderLabels(['Data'])
self.layout.addWidget(self.table, 0, 2, 2, 1) # 放大表格所占的行数
# self.data = pd.DataFrame({'A': range(1, 101), 'B': range(101, 201), 'C': range(201, 301), 'D': range(301, 401)})
self.data = self.load_data()
self.row_index = -1
self.setLayout(self.layout)
self.show()
def showNextRow(self):
self.row_index += 1
if self.row_index < len(self.data):
self.text_edit.clear()
row_data = self.data.iloc[self.row_index, 2]
self.text_edit.setPlainText(row_data)
print("word {} : {}".format(self.row_index, row_data))
else:
print("learn completed!")
def back2LastRow(self):
self.row_index -= 1
if self.row_index < len(self.data):
self.text_edit.clear()
row_data = self.data.iloc[self.row_index, 2]
self.text_edit.setPlainText(row_data)
print("word {} : {}".format(self.row_index, row_data))
else:
print("error")
def showExplain(self):
row_data = self.data.iloc[self.row_index].to_string()
self.text_edit.setPlainText(row_data)
def moveToTable(self):
current_text = self.data.iloc[self.row_index, 2]
if current_text:
rowPosition = self.table.rowCount()
self.table.insertRow(rowPosition)
newItem = QTableWidgetItem(current_text)
self.table.setItem(rowPosition, 0, newItem)
tmp = pd.DataFrame(self.data.iloc[self.row_index, :]).T
word = tmp.iloc[0, 2]
if word not in self.df_learn.values:
self.df_learn = pd.concat([self.df_learn, tmp], ignore_index=True)
print("{} 加入生词表\n".format(word))
def load_data(self):
df = pd.read_excel('/Users/username/Desktop/N1Words.xlsx', sheet_name=0)
# random_sample = df.sample(n=10, random_state=1) # 设置随机种子，使结果可重复
random_sample = df.sample(n=150)
folder_path = "/Users/username/Desktop" # 将此路径替换为你要检查的文件夹的实际路径
# 指定要检查的文件名
file_name = "unknown_word.xlsx" # 将此文件名替换为你要检查的文件名
# 使用 os.path.join() 将文件夹路径和文件名拼接成完整的文件路径
self.file_path = os.path.join(folder_path, file_name)
# 使用 os.path.exists() 来检查文件是否存在
if os.path.exists(self.file_path):
print(f"文件 '{file_name}' 存在于文件夹 '{folder_path}' 中.")
self.df_learn = pd.read_excel(self.file_path, sheet_name=0)
else:
print(f"文件 '{file_name}' 不存在于文件夹 '{folder_path}' 中.")
self.df_learn = pd.DataFrame(columns=df.columns)
return random_sample
def save_unknown_words(self):
self.df_learn.to_excel(self.file_path, index=False)
print("file saved!")
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = DataFrameExample()
sys.exit(app.exec_())
文章来源：https://www.toymoban.com/news/detail-759161.html
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