python: pyQt6 QTableWidget paging

 

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# encoding: utf-8 # 版权所有 2024 涂聚文有限公司 # 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎 # 描述： # Author    : geovindu,Geovin Du 涂聚文. # IDE       : PyCharm 2023.1 python 3.11 # os        : windows 10 # database  : mysql 9.0 sql server 2019, poostgreSQL 17.0 # Datetime  : 2024/12/8 9:21 # User      : geovindu # Product   : PyCharm # Project   : Pysimple # File      : pyqt6tablepaging.py # explain   : 学习 from PyQt6.QtWidgets import QApplication, QWidget, QVBoxLayout, QTableWidget, QTableWidgetItem, QPushButton     class MainWindow(QWidget):     def __init__(self):         super().__init__()           self.setWindowTitle("Table with Paging")         self.resize(300,300)           # Sample data         self.data = [             ['李二', '25', '深圳'],             ['赵三', '30', '上海'],             ['何四', '35', '重庆'],             ['王五', '40', '天津'],             ['张六', '28', '北京'],             ['刘八', '32', '南京'],             ['肖八', '27', '西安'],             ['钱九', '36', '井岗山'],             ['江十', '29', '南昌'],             ['汪一', '31', '杭州'],         ]           self.page_size = 3         self.current_page = 0         self.rect=(2,4,200,280)         self.table = QTableWidget()         self.table.setColumnCount(3)         self.table.setHorizontalHeaderLabels(['Name', 'Age', 'City'])         self.table.geometry=self.rect           self.rect2 = (2, 220, 220, 280)           self.prev_button = QPushButton("Previous")         self.next_button = QPushButton("Next")           self.prev_button.clicked.connect(self.prev_page)         self.next_button.clicked.connect(self.next_page)         self.prev_button.geometry=self.rect2         layout = QVBoxLayout()         layout.addWidget(self.table)         layout.addWidget(self.prev_button)         layout.addWidget(self.next_button)         self.setLayout(layout)           self.update_table()       def update_table(self):         start_index = self.current_page * self.page_size         end_index = start_index + self.page_size           self.table.setRowCount(0)           for row_data in self.data[start_index:end_index]:             row = self.table.rowCount()             self.table.insertRow(row)             for col, item in enumerate(row_data):                 self.table.setItem(row, col, QTableWidgetItem(item))           self.prev_button.setEnabled(self.current_page > 0)         self.next_button.setEnabled(end_index < len(self.data))       def prev_page(self):         self.current_page -= 1         self.update_table()       def next_page(self):         self.current_page += 1         self.update_table()     if __name__ == '__main__':     app = QApplication([])     window = MainWindow()     window.show()     app.exec()