Java 编辑jtable时更改单元格上的字体

Java 编辑jtable时更改单元格上的字体,java,swing,fonts,jtable,tablecelleditor,Java,Swing,Fonts,Jtable,Tablecelleditor,我正在swing中执行一个新项目,编辑单元格时遇到问题。 编辑单元格时,字体格式会发生变化,我想设置一种特定的格式 为了做到这一点,我已经创建了一个CellEditor,用于表中的每一列 Cass CellEditor public class MyTableCellEditor extends AbstractCellEditor implements TableCellEditor { JComponent component = new JTextField(); pub

我正在swing中执行一个新项目,编辑单元格时遇到问题。 编辑单元格时,字体格式会发生变化,我想设置一种特定的格式

为了做到这一点,我已经创建了一个CellEditor,用于表中的每一列

Cass CellEditor

public class MyTableCellEditor extends AbstractCellEditor implements TableCellEditor {
    JComponent component = new JTextField();
    public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int rowIndex, int vColIndex) {
    ((JTextField)component).setText((String)value);
    ((JTextField)component).setFont(new java.awt.Font("Arial Unicode MS", 0, 16));
    return component;
}
在柱子旁边

private void crearEditor(){
    for (int i = 0; i < tabla.getColumnCount(); i ++) {
        TableColumn col = tabla.getColumnModel().getColumn(i);
        col.setCellEditor(new MyTableCellEditor());
        }
}
但格式尚未设置。有什么想法吗 谢谢
“问候”

对我有效,下面是一个例子:

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableColumn;

public class TestFrame extends JFrame {

    public static void main(String... s) {
         new TestFrame();
    }

    public TestFrame() {
        init();
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }

    private void init() {
        final JTable t = new JTable(3,3);
        for (int i = 0; i < t.getColumnCount(); i++) {
            TableColumn col = t.getColumnModel().getColumn(i);
            col.setCellEditor(new MyTableCellEditor());
        }
        t.setRowHeight(20);
        add(new JScrollPane(t));

        JButton b = new JButton("edit");
        b.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                boolean success = t.editCellAt(1, 1);
                if (success) {
                  boolean toggle = false;
                  boolean extend = false;
                  t.changeSelection(1, 1, toggle, extend);
                }
            }
        });

        add(b,BorderLayout.SOUTH);
    }

    public class MyTableCellEditor extends AbstractCellEditor implements TableCellEditor {
        private JTextField component = new JTextField();
        private Font font = new Font("Arial Unicode MS", 0, 16);

        public Component getTableCellEditorComponent(JTable table,
                Object value, boolean isSelected, int rowIndex, int vColIndex) {
            component.setText((String) value);
            component.setFont(font);
            return component;
        }

        @Override
        public Object getCellEditorValue() {
            return component.getText();
        }
    }
}
导入java.awt.BorderLayout;
导入java.awt.Component;
导入java.awt.Font;
导入java.awt.event.ActionEvent;
导入java.awt.event.ActionListener;
导入javax.swing.AbstractCellEditor;
导入javax.swing.JButton;
导入javax.swing.JFrame;
导入javax.swing.JScrollPane;
导入javax.swing.JTable;
导入javax.swing.JTextField;
导入javax.swing.table.TableCellEditor;
导入javax.swing.table.TableColumn;
公共类TestFrame扩展了JFrame{
公共静态无效主(字符串…s){
新的TestFrame();
}
公共测试框架(){
init();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
包装();
setLocationRelativeTo(空);
setVisible(真);
}
私有void init(){
最终JTable t=新JTable(3,3);
对于(int i=0;i

对我很有效,下面是一个例子:

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableColumn;

public class TestFrame extends JFrame {

    public static void main(String... s) {
         new TestFrame();
    }

    public TestFrame() {
        init();
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }

    private void init() {
        final JTable t = new JTable(3,3);
        for (int i = 0; i < t.getColumnCount(); i++) {
            TableColumn col = t.getColumnModel().getColumn(i);
            col.setCellEditor(new MyTableCellEditor());
        }
        t.setRowHeight(20);
        add(new JScrollPane(t));

        JButton b = new JButton("edit");
        b.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                boolean success = t.editCellAt(1, 1);
                if (success) {
                  boolean toggle = false;
                  boolean extend = false;
                  t.changeSelection(1, 1, toggle, extend);
                }
            }
        });

        add(b,BorderLayout.SOUTH);
    }

    public class MyTableCellEditor extends AbstractCellEditor implements TableCellEditor {
        private JTextField component = new JTextField();
        private Font font = new Font("Arial Unicode MS", 0, 16);

        public Component getTableCellEditorComponent(JTable table,
                Object value, boolean isSelected, int rowIndex, int vColIndex) {
            component.setText((String) value);
            component.setFont(font);
            return component;
        }

        @Override
        public Object getCellEditorValue() {
            return component.getText();
        }
    }
}
导入java.awt.BorderLayout;
导入java.awt.Component;
导入java.awt.Font;
导入java.awt.event.ActionEvent;
导入java.awt.event.ActionListener;
导入javax.swing.AbstractCellEditor;
导入javax.swing.JButton;
导入javax.swing.JFrame;
导入javax.swing.JScrollPane;
导入javax.swing.JTable;
导入javax.swing.JTextField;
导入javax.swing.table.TableCellEditor;
导入javax.swing.table.TableColumn;
公共类TestFrame扩展了JFrame{
公共静态无效主(字符串…s){
新的TestFrame();
}
公共测试框架(){
init();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
包装();
setLocationRelativeTo(空);
setVisible(真);
}
私有void init(){
最终JTable t=新JTable(3,3);
对于(int i=0;i

对我有效,你有什么问题?真的有效吗?编辑单元格时我的字体不是我在cellEditor中定义的字体。这是Deafolt fontWorks对我有用,你有什么问题?真的有用吗?编辑单元格时我的字体不是我在cellEditor中定义的字体。是Deafolt fontOK,我会再试一次。可能在我定义单元格编辑器时没有创建行?如果我询问该列,新行是否会受到影响?还是需要再次登录?好的,现在开始工作了!电话打错了好的,我再试一次。可能在我定义单元格编辑器时没有创建行?如果我询问该列,新行是否会受到影响?还是需要再次登录?好的,现在开始工作了!电话打错地方了