使用
SwingWorker到
publish()你行的背景和更新
TableModel在你的实现
process()。
SwingWorker将更限制为可持续的速度。进行配置文件以确保您不阻塞事件分发线程。
附录：经过测试，GUI仍然可以响应此1,000,000行的变化。分析时，请注意，每次单击“执行”按钮都会启动一个新工作程序。
import java.awt.BorderLayout;import java.awt.Component;import java.awt.EventQueue;import java.awt.event.ActionEvent;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.AbstractAction;import javax.swing.JButton;import javax.swing.Jframe;import javax.swing.JScrollPane;import javax.swing.JTable;import javax.swing.SwingWorker;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() { final 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); frame.add(new JButton(new AbstractAction("Go") { @Override public void actionPerformed(ActionEvent e) { TableSwingWorker worker = new TableSwingWorker(model); worker.execute(); } }), BorderLayout.SOUTH); } }); } 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<RowData>(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(1000); 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); } }}
