14. 59. 2. 用抽象表创建一个简单table Creating simple JTable using AbstractTableModel

import java.awt.Dimension; import java.util.Vector; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.AbstractTableModel; public class CreateAbstractTableModel extends JFrame{ private JTable m_simpleTable; private SimpleTableModel m_simpleTableModel; public CreateAbstractTableModel(){//开始构造 Vector dummyMacData = new Vector(10,10);//dummy：虚拟的 dummyMacData.addElement(new Data(new Integer(200),"李白","张灵","杜康","刘生"));//Data的构造方法 dummyMacData.addElement(new Data(new Integer(105), "诗人", "卖歌","写作", "舞蹈")); m_simpleTableModel = new SimpleTableModel(dummyMacData); m_simpleTable = new JTable(m_simpleTableModel); JScrollPane scrollPane = new JScrollPane(m_simpleTable); getContentPane().add(scrollPane); int rows = m_simpleTable.getRowCount(); int cols = m_simpleTable.getColumnCount(); Object o = new Object(); for(int i = 0; i < rows; i++){ for(int j = 0; j < cols; j++){ o = m_simpleTable.getValueAt(i, 0); } //System.out.println(o); } System.out.println(o); } public static void main(String[] args) { CreateAbstractTableModel m = new CreateAbstractTableModel(); m.setVisible(true); m.setSize(new Dimension(300, 100)); m.validate(); } class SimpleTableModel extends AbstractTableModel{//继承抽象的表模型 public String[] m_colNames = {"A","B","C","D","E"};//表头列名 public Class[] m_colTypes = {Integer.class,String.class,String.class,String.class,String.class,String.class}; Vector m_macDataVector; public SimpleTableModel(Vector macDataVector){ super(); m_macDataVector = macDataVector; } public int getColumnCount() {//拿到列数 return m_colNames.length; } public int getRowCount() {//拿到行数 return m_macDataVector.size(); } public void setValueAt(Object value,int row,int col){//设置单元格的值 Data macData = (Data)m_macDataVector.elementAt(row);//返回指定索引处的组件 switch(col){ case 0:macData.setA((Integer)value); break;//把a设置进第一个单元格 case 1:macData.setB((String)value); break; case 2:macData.setC((String)value); break; case 3:macData.setD((String)value); break; case 4:macData.setE((String)value); break; } } public String getColumnName(int col){//获得表名 return m_colNames[col]; } public Class getColumnClass(int col){//返回表类 return m_colTypes[col]; } public Object getValueAt(int row, int col) {//拿到单元格的值 Data macData = (Data)m_macDataVector.elementAt(row);//返回指定索引处的组件 switch(col){ case 0: return macData.getA(); case 1:return macData.getB(); case 2:return macData.getC(); case 3:return macData.getD(); case 4:return macData.getE(); } return new String(); } } } class Data{//Data类 private Integer a; private String b; private String c; private String d; private String e; public Data(){//空构造 } public Data(Integer aa,String bb,String cc,String dd,String ee){//五个参数的构造 a = aa; b = bb; c = cc; d = dd; e = ee; } public Integer getA(){//拿到a return a; } public String getB(){ return b; } public String getC(){ return c; } public String getD(){ return d; } public String getE(){ return e; } public void setA(Integer aa){//设置a a = aa; } public void setB(String bb){ b = bb; } public void setC(String cc){ c = cc; } public void setD(String dd){ d = dd; } public void setE(String ee){ e = ee; } }