Java 如何设置JTable的行大小?
我将创建一个应用程序 为了输入发票,我创建了使用JTable的表单 但最终用户的要求是,描述可能有2到3行 (表格图像) [i![] 所以我希望代码增加行的大小Java 如何设置JTable的行大小?,java,swing,jtable,Java,Swing,Jtable,我将创建一个应用程序 为了输入发票,我创建了使用JTable的表单 但最终用户的要求是,描述可能有2到3行 (表格图像) [i![] 所以我希望代码增加行的大小 JTable->TableColumnModel->TableColum(更改列的大小,然后 只需调查编辑器和渲染) JTable setRowHeight(更改行的高度) 最终用户的要求是,描述可能是 2到3行 我假设您试图在JTable单元格中以多行显示数据。我尝试在一个单元格中的多行中显示数据的示例 @Sergii建议使用JTa
(更改列的大小,然后 只需调查编辑器和渲染)JTable->TableColumnModel->TableColum
(更改行的高度)JTable setRowHeight
JTable
单元格中以多行显示数据。我尝试在一个单元格中的多行中显示数据的示例
@Sergii建议使用JTable.setRowHeight
增加单元格的高度。数据列
单元格用JTextArea
呈现
import java.awt.Component;
import java.awt.EventQueue;
import java.util.EventObject;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.event.CellEditorListener;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellEditor;
public class JTableCellTest {
public static void main(String[] args) {
Runnable r = new Runnable() {
@Override
public void run() {
Object[] columnNames = {"S.No", "Data"};
Object[][] data = {
{"1", "I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines.\n I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines. \n I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines"},
{"2", "I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines.\n I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines. \n I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines"},
{"3", "I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines.\n I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines. \n I'm going to create application in that to enter invoice i've created form in which i have used JTable but end user requirement is that the the description may be of 2 to 3 lines"}
};
JFrame frame = new JFrame();
JTable table = new JTable(data, columnNames);
table.setRowHeight(70);
table.getColumnModel().getColumn(1).setCellRenderer(new CustomCellRenderer());
table.getColumnModel().getColumn(1).setCellEditor(new CustomEditor());
frame.setTitle("JTable with JTextArea");
frame.add(new JScrollPane(table));
frame.pack();
frame.setVisible(true);
}
};
EventQueue.invokeLater(r);
}
}
class CustomCellRenderer extends DefaultTableCellRenderer {
private JTextArea textArea;
private JScrollPane scrollPane;
public CustomCellRenderer() {
textArea = new JTextArea();
scrollPane = new JScrollPane(textArea);
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if(null != value)
textArea.setText(value.toString());
return scrollPane;
}
}
class CustomEditor implements TableCellEditor {
private JTextArea textArea;
private JScrollPane scrollPane;
public CustomEditor() {
textArea = new JTextArea();
scrollPane = new JScrollPane(textArea);
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
if(null != value)
textArea.setText(value.toString());
return scrollPane;
}
@Override
public void addCellEditorListener(CellEditorListener arg0) {
// TODO Auto-generated method stub
}
@Override
public void cancelCellEditing() {
// TODO Auto-generated method stub
}
@Override
public Object getCellEditorValue() {
// TODO Auto-generated method stub
return textArea.getText();
}
@Override
public boolean isCellEditable(EventObject arg0) {
// TODO Auto-generated method stub
return true;
}
@Override
public void removeCellEditorListener(CellEditorListener arg0) {
// TODO Auto-generated method stub
}
@Override
public boolean shouldSelectCell(EventObject arg0) {
// TODO Auto-generated method stub
return true;
}
@Override
public boolean stopCellEditing() {
// TODO Auto-generated method stub
return true;
}
}
看见顺便说一句ITYM是2行或3行的“数量”,而不是每行的“大小”。此外,图像丢失。为了更快地获得更好的帮助,请发布一个.thankx,先生,我想要一种方法,如果客户端输入文本,那么在特定的字数或字长之后,游标将自动转到下一行