Java Swing JTable，表内容多行显示示例代码

今天药忘吃喽~ 2021-10-12 21:30 360阅读 0赞

/*******************************************************************************
     * @project: IDS_AutoView_2019
     * @package: com.acconsys.ids.table
     * @file: T.java
     * @author: zhangpei
     * @created: 2019-8-19
     * @purpose:
     * 
     * @version: 1.0
     * 
     * Revision History at the end of file.
     * 
     * Copyright 2019 esoon-tech All rights reserved.
     ******************************************************************************/
    
    /**   
    * @Title: T.java 
    * @Package com.acconsys.ids.table 
    * @Description: TODO(用一句话描述该文件做什么) 
    * @author Burns[张沛]   
    * @date 2019-8-19 上午9:54:27 
    * @version V1.0   
    */
    package com.acconsys.ids.table;
    
    /** 
     * @ClassName: T 
     * @Description: TODO(这里用一句话描述这个类的作用) 
     * @author Burns[张沛] 
     * @date 2019-8-19 上午9:54:27 
     *  
     */
    import java.awt.Component;
    import java.awt.event.WindowAdapter;
    import java.awt.event.WindowEvent;
    
    import javax.swing.JFrame;
    import javax.swing.JScrollPane;
    import javax.swing.JTable;
    import javax.swing.JTextArea;
    import javax.swing.UIManager;
    import javax.swing.border.EmptyBorder;
    import javax.swing.table.DefaultTableModel;
    import javax.swing.table.TableCellRenderer;
    
    /**
     * @version 1.0 11/09/98
     */
    public class MultiLineCellExample extends JFrame {
      MultiLineCellExample() {
        super("Multi-Line Cell Example");
    
        DefaultTableModel dm = new DefaultTableModel() {
          public Class getColumnClass(int columnIndex) {
            return String.class;
          }
        };
        dm.setDataVector(new Object[][] { { "a\na", "b\nb", "c\nc" },
            { "A\nA", "B\nB", "C\nC" } }, new Object[] { "1", "2", "3" });
    
        JTable table = new JTable(dm);
    
        int lines = 2;
        table.setRowHeight(table.getRowHeight() * lines);
    
        //
        // table.setRowHeight(0);
        //
        // I got "java.lang.IllegalArgumentException: New row height less than
        // 1"
        //
        table.setDefaultRenderer(String.class, new MultiLineCellRenderer());
        JScrollPane scroll = new JScrollPane(table);
        getContentPane().add(scroll);
        setSize(400, 130);
        setVisible(true);
      }
    
      public static void main(String[] args) {
        MultiLineCellExample frame = new MultiLineCellExample();
        frame.addWindowListener(new WindowAdapter() {
          public void windowClosing(WindowEvent e) {
            System.exit(0);
          }
        });
      }
    }
    
    /**
     * @version 1.0 11/09/98
     */
    
    class MultiLineCellRenderer extends JTextArea implements TableCellRenderer {
    
      public MultiLineCellRenderer() {
        setLineWrap(true);
        setWrapStyleWord(true);
        setOpaque(true);
      }
    
      public Component getTableCellRendererComponent(JTable table, Object value,
          boolean isSelected, boolean hasFocus, int row, int column) {
        if (isSelected) {
          setForeground(table.getSelectionForeground());
          setBackground(table.getSelectionBackground());
        } else {
          setForeground(table.getForeground());
          setBackground(table.getBackground());
        }
        setFont(table.getFont());
        if (hasFocus) {
          setBorder(UIManager.getBorder("Table.focusCellHighlightBorder"));
          if (table.isCellEditable(row, column)) {
            setForeground(UIManager.getColor("Table.focusCellForeground"));
            setBackground(UIManager.getColor("Table.focusCellBackground"));
          }
        } else {
          setBorder(new EmptyBorder(1, 2, 1, 2));
        }
        setText((value == null) ? "" : value.toString());
        return this;
      }
    }
    
    /*******************************************************************************
     * <B>Revision History</B><BR>
     * [type 'revision' and press Alt + / to insert revision block]<BR>
     * 
     * 
     * 
     * Copyright 2019 esoon-tech All rights reserved.
     ******************************************************************************/

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[20190819144229959.png]: /images/20211013/25f5a1e6be594b70865226b20a97abba.png