我有一个JTable
通过 mysql 数据库获取它们的价值。我制作了几个自定义列渲染器,以便JTable
显示我需要的数据格式。我现在需要的是在某些行上添加一些删除线,具体取决于每行中最后一个单元格 (5) 上的值是否具有特定的字符串值,例如 (test)。删除线必须位于该行的每个单元格中,除了最后一个单元格(具有测试值)。它可以与其他自定义列渲染器一起使用而无需混淆吗?
谢谢!
我有一个JTable
通过 mysql 数据库获取它们的价值。我制作了几个自定义列渲染器,以便JTable
显示我需要的数据格式。我现在需要的是在某些行上添加一些删除线,具体取决于每行中最后一个单元格 (5) 上的值是否具有特定的字符串值,例如 (test)。删除线必须位于该行的每个单元格中,除了最后一个单元格(具有测试值)。它可以与其他自定义列渲染器一起使用而无需混淆吗?
谢谢!
为什么是Html,为什么不直接使用TextAttribute
非常尊重 HFOE 和他的知识共享 (forums.sun.com)
从代码
import java.awt.*;
import java.awt.font.TextAttribute;
import java.util.Map;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.MatteBorder;
import javax.swing.table.*;
public class TablePrepareRenderer extends JFrame {
private static final long serialVersionUID = 1L;
private JTable table;
public TablePrepareRenderer() {
Object[] columnNames = {"Type", "Company", "Shares", "Price", "Boolean"};
Object[][] data = {
{"Buy", "IBM", new Integer(1000), new Double(80.50), false},
{"Sell", "MicroSoft", new Integer(2000), new Double(6.25), true},
{"Sell", "Apple", new Integer(3000), new Double(7.35), true},
{"Buy", "Nortel", new Integer(4000), new Double(20.00), false}
};
DefaultTableModel model = new DefaultTableModel(data, columnNames) {
private static final long serialVersionUID = 1L;
@Override
public Class getColumnClass(int column) {
return getValueAt(0, column).getClass();
}
};
table = new JTable(model) {
private static final long serialVersionUID = 1L;
private Border outside = new MatteBorder(1, 0, 1, 0, Color.red);
private Border inside = new EmptyBorder(0, 1, 0, 1);
private Border highlight = new CompoundBorder(outside, inside);
@Override
public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
Component comp = super.prepareRenderer(renderer, row, column);
JComponent jc = (JComponent) comp;
Map attributes = (new Font("Serif", Font.PLAIN, 12)).getAttributes();
//attributes.put(TextAttribute.WEIGHT, TextAttribute.WEIGHT_BOLD);
attributes.put(TextAttribute.STRIKETHROUGH, TextAttribute.STRIKETHROUGH_ON);
if (!isRowSelected(row)) {
comp.setForeground(Color.black);
comp.setBackground(row % 2 == 0 ? Color.white : Color.orange);
int modelRow = convertRowIndexToModel(row);
String type = (String) getModel().getValueAt(modelRow, 0);
if (type.equals("Sell")) {
comp.setFont(new Font(attributes));
comp.setForeground(Color.red);
} else {
comp.setFont(new Font("Serif", Font.BOLD, 12));
}
} else {
comp.setFont(table.getFont());
}
jc.setBorder(BorderFactory.createCompoundBorder(jc.getBorder(), BorderFactory.createEmptyBorder(0, 0, 0, 5)));
return comp;
}
};
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scrollPane = new JScrollPane(table);
getContentPane().add(scrollPane);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
TablePrepareRenderer frame = new TablePrepareRenderer();
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
}