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tableModeltable = 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() ; }} ;
哪怕前方的路会充满坎坷，但为梦想而拼搏的人会永不言败
