求!javax.swing类中的JTable做个简单的表格怎么做?求代码! javax.swing类中的JTable做个简单的表格怎么做?求代码!代码不用太难了! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 import java.awt.BorderLayout; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Vector; import javax.swing.DefaultCellEditor; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.AbstractTableModel; import javax.swing.table.TableColumnModel; public class Test { private JFrame frame = null; private JTable table = null; private Table_Model model = null; private JScrollPane s_pan = null; private JButton button_1 = null, button_2 = null, button_3 = null; private JPanel pane = null; public Test() { frame = new JFrame("JTableTest"); pane = new JPanel(); button_1 = new JButton("清除数据"); button_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { removeData(); } }); button_2 = new JButton("添加数据"); button_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { addData(); } }); button_3 = new JButton("保存数据"); button_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { saveData(); } }); pane.add(button_1); pane.add(button_2); pane.add(button_3); model = new Table_Model(20); table = new JTable(model); table.setBackground(Color.white); String[] age = { "16", "17", "18", "19", "20", "21", "22" }; JComboBox com = new JComboBox(age); TableColumnModel tcm = table.getColumnModel(); tcm.getColumn(3).setCellEditor(new DefaultCellEditor(com)); tcm.getColumn(0).setPreferredWidth(50); tcm.getColumn(1).setPreferredWidth(100); tcm.getColumn(2).setPreferredWidth(50); s_pan = new JScrollPane(table); frame.getContentPane().add(s_pan, BorderLayout.CENTER); frame.getContentPane().add(pane, BorderLayout.NORTH); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(300, 200); frame.setVisible(true); } private void addData() { model.addRow("李逵", true, "19"); table.updateUI(); } private void removeData() { model.removeRows(0, model.getRowCount()); table.updateUI(); } // 保存数据,暂时是将数据从控制台显示出来 private void saveData() { int col = model.getColumnCount(); int row = model.getRowCount(); for (int i = 0; i < col; i++) { System.out.print(model.getColumnName(i) + "\t"); } System.out.print("\r\n"); for (int i = 0; i < row; i++) { for (int j = 0; j < col; j++) { System.out.print(model.getValueAt(i, j) + "\t"); } System.out.print("\r\n"); } System.out.println("------------------------------------"); } public static void main(String args[]) { new Test(); System.out .println("按下保存按钮将会把JTable中的内容显示出来\r\n------------------------------------"); } } /** * TableModel类,继承了AbstractTableModel * * @author 五斗米 * */ class Table_Model extends AbstractTableModel { private static final long serialVersionUID = -7495940408592595397L; private Vector content = null; private String[] title_name = { "ID", "姓名", "性别", "年龄" }; public Table_Model() { content = new Vector(); } public Table_Model(int count) { content = new Vector(count); } public void addRow(String name, boolean sex, String age) { Vector v = new Vector(4); v.add(0, new Integer(content.size())); v.add(1, name); v.add(2, new Boolean(sex)); v.add(3, age); content.add(v); } public void removeRow(int row) { content.remove(row); } public void removeRows(int row, int count) { for (int i = 0; i < count; i++) { if (content.size() > row) { content.remove(row); } } } /** * 让表格中某些值可修改,但需要setValueAt(Object value, int row, int col)方法配合才能使修改生效 */ public boolean isCellEditable(int rowIndex, int columnIndex) { if (columnIndex == 0) { return false; } return true; } /** * 使修改的内容生效 */ public void setValueAt(Object value, int row, int col) { ((Vector) content.get(row)).remove(col); ((Vector) content.get(row)).add(col, value); this.fireTableCellUpdated(row, col); } public String getColumnName(int col) { return title_name[col]; } public int getColumnCount() { return title_name.length; } public int getRowCount() { return content.size(); } public Object getValueAt(int row, int col) { return ((Vector) content.get(row)).get(col); } /** * 返回数据类型 */ public Class getColumnClass(int col) { return getValueAt(0, col).getClass(); }} http://www.crionics.com/products/opensource/faq/swing_ex/JTableExamples2.html 给个简单点吧public class SimpleTable{ JFrame jf = new JFrame("简单表格"); JTable table; //定义二维数组作为表格数据 Object[][] tableData = { new Object[]{"李清照" , 29 , "女"}, new Object[]{"苏格拉底", 56 , "男"}, new Object[]{"李白", 35 , "男"}, new Object[]{"弄玉", 18 , "女"}, new Object[]{"虎头" , 2 , "男"} }; //定义一维数据作为列标题 Object[] columnTitle = {"姓名" , "年龄" , "性别"}; public void init() { //以二维数组和一维数组来创建一个JTable对象 table = new JTable(tableData , columnTitle); //将JTable对象放在JScrollPane中,并将该JScrollPane放在窗口中显示出来 jf.add(new JScrollPane(table)); jf.pack(); jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jf.setVisible(true); } public static void main(String[] args) { new SimpleTable().init(); }} for循环问题 请问javac时候、显示:进行语法解析时已到达文件结尾 请教,java定期写文件问题,请教,JAVA定期写文件问题,谢谢! 为何总是出现异常? 再问hashCode() long BYTE如何互转? 精确到毫秒的时间如何计算差值? java怎样等比缩放截图 怎样让一个JFrame 框架中的两个JTabbadPan都能看到 , 请问一下List的问题~~~~ 谁能告诉我为什么? 用scanner进行text input 分布式互斥算法问题
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector; import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableColumnModel;
public class Test {
private JFrame frame = null; private JTable table = null; private Table_Model model = null; private JScrollPane s_pan = null; private JButton button_1 = null, button_2 = null, button_3 = null; private JPanel pane = null; public Test() {
frame = new JFrame("JTableTest");
pane = new JPanel();
button_1 = new JButton("清除数据");
button_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
removeData();
}
});
button_2 = new JButton("添加数据");
button_2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
addData();
}
});
button_3 = new JButton("保存数据");
button_3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
saveData();
}
});
pane.add(button_1);
pane.add(button_2);
pane.add(button_3);
model = new Table_Model(20);
table = new JTable(model);
table.setBackground(Color.white);
String[] age = { "16", "17", "18", "19", "20", "21", "22" };
JComboBox com = new JComboBox(age);
TableColumnModel tcm = table.getColumnModel();
tcm.getColumn(3).setCellEditor(new DefaultCellEditor(com));
tcm.getColumn(0).setPreferredWidth(50);
tcm.getColumn(1).setPreferredWidth(100);
tcm.getColumn(2).setPreferredWidth(50); s_pan = new JScrollPane(table); frame.getContentPane().add(s_pan, BorderLayout.CENTER);
frame.getContentPane().add(pane, BorderLayout.NORTH);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(300, 200);
frame.setVisible(true); } private void addData() {
model.addRow("李逵", true, "19");
table.updateUI();
} private void removeData() {
model.removeRows(0, model.getRowCount());
table.updateUI();
} // 保存数据,暂时是将数据从控制台显示出来
private void saveData() {
int col = model.getColumnCount();
int row = model.getRowCount();
for (int i = 0; i < col; i++) {
System.out.print(model.getColumnName(i) + "\t");
}
System.out.print("\r\n");
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++) {
System.out.print(model.getValueAt(i, j) + "\t");
}
System.out.print("\r\n");
}
System.out.println("------------------------------------");
} public static void main(String args[]) {
new Test();
System.out
.println("按下保存按钮将会把JTable中的内容显示出来\r\n------------------------------------");
} } /**
* TableModel类,继承了AbstractTableModel
*
* @author 五斗米
*
*/
class Table_Model extends AbstractTableModel { private static final long serialVersionUID = -7495940408592595397L; private Vector content = null; private String[] title_name = { "ID", "姓名", "性别", "年龄" }; public Table_Model() {
content = new Vector();
} public Table_Model(int count) {
content = new Vector(count);
} public void addRow(String name, boolean sex, String age) {
Vector v = new Vector(4);
v.add(0, new Integer(content.size()));
v.add(1, name);
v.add(2, new Boolean(sex));
v.add(3, age);
content.add(v);
} public void removeRow(int row) {
content.remove(row);
} public void removeRows(int row, int count) {
for (int i = 0; i < count; i++) {
if (content.size() > row) {
content.remove(row);
}
}
} /**
* 让表格中某些值可修改,但需要setValueAt(Object value, int row, int col)方法配合才能使修改生效
*/
public boolean isCellEditable(int rowIndex, int columnIndex) {
if (columnIndex == 0) {
return false;
}
return true;
} /**
* 使修改的内容生效
*/
public void setValueAt(Object value, int row, int col) {
((Vector) content.get(row)).remove(col);
((Vector) content.get(row)).add(col, value);
this.fireTableCellUpdated(row, col);
} public String getColumnName(int col) {
return title_name[col];
} public int getColumnCount() {
return title_name.length;
} public int getRowCount() {
return content.size();
} public Object getValueAt(int row, int col) {
return ((Vector) content.get(row)).get(col);
} /**
* 返回数据类型
*/
public Class getColumnClass(int col) {
return getValueAt(0, col).getClass();
}}
{
JFrame jf = new JFrame("简单表格");
JTable table;
//定义二维数组作为表格数据
Object[][] tableData =
{
new Object[]{"李清照" , 29 , "女"},
new Object[]{"苏格拉底", 56 , "男"},
new Object[]{"李白", 35 , "男"},
new Object[]{"弄玉", 18 , "女"},
new Object[]{"虎头" , 2 , "男"}
};
//定义一维数据作为列标题
Object[] columnTitle = {"姓名" , "年龄" , "性别"};
public void init()
{
//以二维数组和一维数组来创建一个JTable对象
table = new JTable(tableData , columnTitle);
//将JTable对象放在JScrollPane中,并将该JScrollPane放在窗口中显示出来
jf.add(new JScrollPane(table));
jf.pack();
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.setVisible(true);
}
public static void main(String[] args)
{
new SimpleTable().init();
}
}