Java-表-更改表格式 [英] Java - table - change table format
本文介绍了Java-表-更改表格式的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何更改Java中的表格格式?
how can I change table format in java?
现在,我有左边的桌子,但是我希望桌子看起来像右边的桌子.
Now, I have left table, but I want my table looks like right table.
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
public class Farby extends JTable {
public Farby(String[][] data, String[] fields) {
super(data, fields);
}
@Override
public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
Component c = super.prepareRenderer(renderer, row, column);
c.setBackground(row % 2 == 0 ? getBackground() : Color.getHSBColor(250, 250, 128));
return c;
}
public static void main(String[] args) {
String[] fields = {"So long String", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
String[][] a2 = new String[12][12];
for (int i = 0; i < a2.length; i++) {
for (int j = 0; j < a2[0].length; j++) {
a2[i][j] = i + j + "";
}
}
JFrame frame = new JFrame("Help");
Farby table = new Farby(a2, fields);
JScrollPane pane = new JScrollPane(table);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(pane, BorderLayout.CENTER);
// frame.add(pane);
frame.setSize(800, 400);
// frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
推荐答案
您需要与
table.getColumnModel().getColumn(1).setPreferredWidth(15);
这取决于您是否希望用户能够更改宽度.您可以循环调用以上内容以设置除第一个以外的所有内容.
it depends on if you want users to be able to change the width or not. you can call the above in a loop to set all but the first one.
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