swing【最后一弹】JTable仿写简单Excel！

来源：互联网发布：niji日本网络电视直播编辑：程序博客网时间：2024/05/16 09:23

历时五天终于把所有的常用swing界面组件过了一遍，很多细节还需日后加深。愈发体会熟练查阅jdk文档的重要性，java各种类和方法太繁琐根本记不住，只能靠熟练的文档粘贴，用Eclipse会好很多。

源代码：

//source codeimport java.awt.BorderLayout ;import java.awt.event.ActionListener ;import java.awt.event.ActionEvent ;import java.awt.event.WindowListener ;import java.awt.event.WindowAdapter ;import java.awt.event.WindowEvent ;import javax.swing.JFrame ;import javax.swing.JButton ;import javax.swing.JTable ;import javax.swing.JPanel ;import javax.swing.JScrollPane ;import javax.swing.table.DefaultTableModel ;import javax.swing.table.TableColumn ;import javax.swing.table.TableColumnModel ;class MyAction implements ActionListener{    private JFrame frame = new JFrame("通讯录表格") ;    private JPanel panel = new JPanel() ;    private DefaultTableModel tableModel ;    private JTable table = null ;                //声明表格    private JButton addColumn = new JButton("增加列") ;    private JButton removeColumn = new JButton("移除列") ;    private JButton addRow = new JButton("增加行") ;    private JButton removeRow = new JButton("移除行") ;    private String title[] = {"姓名","性别","年龄","手机号码","QQ号"} ;    private Object person[][] = {{"王呆萌","男","20","18249778269","653866417"},    {"老王","男","44","18766324287","null"}} ;       public MyAction()    {        this.frame.setLayout(new BorderLayout()) ;        this.tableModel = new DefaultTableModel(this.person,this.title) ;  //实例化tableModel        table = new JTable(this.tableModel) ;        JScrollPane scr = new JScrollPane(this.table) ;               panel.add(this.addColumn) ;        panel .add(this.addRow) ;        panel.add(this.removeColumn) ;        panel.add(this.removeRow) ;               this.frame.addWindowListener(new WindowAdapter()        {            public void windowClosing(WindowEvent e)            {               System.exit(1) ;            }        }) ;               this.addColumn.addActionListener(this) ;        this.addRow.addActionListener(this) ;        this.removeColumn.addActionListener(this) ;        this.removeRow.addActionListener(this) ;           this.frame.add(this.panel,BorderLayout.NORTH) ;        this.frame.add(scr,BorderLayout.CENTER) ;        this.frame.setSize(400,250) ;        this.frame.setVisible(true) ;                          }       public void actionPerformed(ActionEvent e)    {        if(e.getSource() == addRow)        {           this.tableModel.addRow(new Object[]{}) ;        }               if(e.getSource() == addColumn)        {           this.tableModel.addColumn("新增列") ;        }               if(e.getSource() == removeRow)        {           int rowCount = this.tableModel.getRowCount()-1 ;           if(rowCount >= 0)     //判断是否还有行可删除           {              this.tableModel.removeRow(rowCount) ;              this.tableModel.setRowCount(rowCount) ;           }        }               if(e.getSource() == removeColumn)        {           int columnCount = this.tableModel.getColumnCount()-1 ;           if(columnCount>=0)           {              TableColumnModel model = this.table.getColumnModel() ;              TableColumn tableColumn = model.getColumn(columnCount) ;              model.removeColumn(tableColumn) ;              this.tableModel.setColumnCount(columnCount) ;           }           else System.out.println("已无列可被删除！！！") ;                  }           }      };class Tester{   public static void main(String args[])   {      new MyAction() ;   }} ;

1 0