因此，从评论中可以看出很多事情……
- 您需要正确触发插入行的方法，仅指示已添加的行以及已更新的行。这非常重要，因为表格已经针对速度进行了优化
- 您应该为表模型提供批处理添加方法，使您可以更轻松地通过一个步骤或更少的步骤添加多行
- 您应该
SwingWorker
定期睡眠或屈服，以便有时间发布结果。
因此，在此示例中，我要添加1，000，000行。在我的测试中，花了不到1秒的时间…
import java.awt.BorderLayout;import java.awt.Component;import java.awt.EventQueue;import java.text.DateFormat;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Arrays;import java.util.Date;import java.util.List;import javax.swing.Jframe;import javax.swing.JScrollPane;import javax.swing.JTable;import javax.swing.SwingWorker;import javax.swing.UIManager;import javax.swing.UnsupportedLookAndFeelException;import javax.swing.table.AbstractTableModel;import javax.swing.table.DefaultTableCellRenderer;public class TestTableLoad01 { public static void main(String[] args) { new TestTableLoad01(); } public TestTableLoad01() { EventQueue.invokeLater(new Runnable() { @Override public void run() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) { } MyTableModel model = new MyTableModel(); JTable table = new JTable(model); table.setDefaultRenderer(Date.class, new TimeCellRenderer()); Jframe frame = new Jframe("Testing"); frame.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE); frame.setLayout(new BorderLayout()); frame.add(new JScrollPane(table)); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); TableSwingWorker worker = new TableSwingWorker(model); worker.execute(); } }); } public class TimeCellRenderer extends DefaultTableCellRenderer { private DateFormat df; public TimeCellRenderer() { df = new SimpleDateFormat("HH:mm:ss"); } @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { if (value instanceof Date) { value = df.format(value); } super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); return this; } } public class MyTableModel extends AbstractTableModel { private String[] columnNames = new String[]{"Date", "Row"}; private List<RowData> data; public MyTableModel() { data = new ArrayList<>(25); } @Override public Class<?> getColumnClass(int columnIndex) { return columnIndex == 0 ? Date.class : Integer.class; } @Override public String getColumnName(int col) { return columnNames[col]; } @Override public int getColumnCount() { return columnNames.length; } @Override public int getRowCount() { return data.size(); } @Override public Object getValueAt(int row, int col) { RowData value = data.get(row); return col == 0 ? value.getDate() : value.getRow(); } public void addRow(RowData value) { int rowCount = getRowCount(); data.add(value); fireTableRowsInserted(rowCount, rowCount); } public void addRows(RowData... value) { addRows(Arrays.asList(value)); } private void addRows(List<RowData> rows) { int rowCount = getRowCount(); data.addAll(rows); fireTableRowsInserted(rowCount, getRowCount() - 1); } } public class RowData { private Date date; private int row; public RowData(int row) { this.date = new Date(); this.row = row; } public Date getDate() { return date; } public int getRow() { return row; } } public class TableSwingWorker extends SwingWorker<MyTableModel, RowData> { private final MyTableModel tableModel; public TableSwingWorker(MyTableModel tableModel) { this.tableModel = tableModel; } @Override protected MyTableModel doInBackground() throws Exception { // This is a deliberate pause to allow the UI time to render Thread.sleep(2000); System.out.println("Start polulating"); for (int index = 0; index < 1000000; index++) { RowData data = new RowData(index); publish(data); Thread.yield(); } return tableModel; } @Override protected void process(List<RowData> chunks) { System.out.println("Adding " + chunks.size() + " rows"); tableModel.addRows(chunks); } }}
