import javax.swing.JTable; import javax.swing.table.AbstractTableModel;import javax.swing.DefaultCellEditor;import javax.swing.JScrollPane; import javax.swing.JFrame; import javax.swing.SwingUtilities; import java.awt.*; import java.awt.event.*;/** * This is exactly like TableDemo, except that it uses a * custom cell editor to validate integer input. */ public class TableEditDemo extends JFrame { private boolean DEBUG = true; public TableEditDemo() { super("TableEditDemo"); MyTableModel myModel = new MyTableModel(); JTable table = new JTable(myModel); table.setPreferredScrollableViewportSize(new Dimension(500, 70)); //Create the scroll pane and add the table to it. JScrollPane scrollPane = new JScrollPane(table); //Set up real input validation for the integer column. setUpIntegerEditor(table); //Add the scroll pane to this window. getContentPane().add(scrollPane, BorderLayout.CENTER); addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); } private void setUpIntegerEditor(JTable table) { //Set up the editor for the integer cells. final WholeNumberField integerField = new WholeNumberField(0, 5); integerField.setHorizontalAlignment(WholeNumberField.RIGHT); DefaultCellEditor integerEditor = new DefaultCellEditor(integerField) { //Override DefaultCellEditor's getCellEditorValue method //to return an Integer, not a String: public Object getCellEditorValue() { return new Integer(integerField.getValue()); } }; table.setDefaultEditor(Integer.class, integerEditor); } class MyTableModel extends AbstractTableModel { final String[] columnNames = {"First Name", "Last Name", "Sport", "# of Years", "Vegetarian"}; final Object[][] data = { {"Mary", "Campione", "Snowboarding", new Integer(5), new Boolean(false)}, {"Alison", "Huml", "Rowing", new Integer(3), new Boolean(true)}, {"Kathy", "Walrath", "Chasing toddlers", new Integer(2), new Boolean(false)}, {"Sharon", "Zakhour", "Speed reading", new Integer(20), new Boolean(true)}, {"Angela", "Lih", "Teaching high school", new Integer(4), new Boolean(false)} }; public int getColumnCount() { return columnNames.length; }
public int getRowCount() { return data.length; } public String getColumnName(int col) { return columnNames[col]; } public Object getValueAt(int row, int col) { return data[row][col]; } /* * JTable uses this method to determine the default renderer/ * editor for each cell. If we didn't implement this method, * then the last column would contain text ("true"/"false"), * rather than a check box. */ public Class getColumnClass(int c) { return getValueAt(0, c).getClass(); } /* * Don't need to implement this method unless your table's * editable. */ public boolean isCellEditable(int row, int col) { //Note that the data/cell address is constant, //no matter where the cell appears onscreen. if (col < 2) { return false; } else { return true; } } public void setValueAt(Object value, int row, int col) { if (DEBUG) { System.out.println("Setting value at " + row + "," + col + " to " + value + " (an instance of " + value.getClass() + ")"); } data[row][col] = value; fireTableCellUpdated(row, col); if (DEBUG) { System.out.println("New value of data:"); printDebugData(); } } private void printDebugData() { int numRows = getRowCount(); int numCols = getColumnCount(); for (int i=0; i < numRows; i++) { System.out.print(" row " + i + ":"); for (int j=0; j < numCols; j++) { System.out.print(" " + data[i][j]); } System.out.println(); } System.out.println("--------------------------"); } } public static void main(String[] args) { TableEditDemo frame = new TableEditDemo(); frame.pack(); frame.setVisible(true); } }
楼主揭贴。我就不要分了,。虽然帮你UP好几次/。
import javax.swing.table.AbstractTableModel;import javax.swing.DefaultCellEditor;import javax.swing.JScrollPane;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import java.awt.*;
import java.awt.event.*;/**
* This is exactly like TableDemo, except that it uses a
* custom cell editor to validate integer input.
*/
public class TableEditDemo extends JFrame {
private boolean DEBUG = true; public TableEditDemo() {
super("TableEditDemo"); MyTableModel myModel = new MyTableModel();
JTable table = new JTable(myModel);
table.setPreferredScrollableViewportSize(new Dimension(500, 70)); //Create the scroll pane and add the table to it.
JScrollPane scrollPane = new JScrollPane(table); //Set up real input validation for the integer column.
setUpIntegerEditor(table); //Add the scroll pane to this window.
getContentPane().add(scrollPane, BorderLayout.CENTER); addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
} private void setUpIntegerEditor(JTable table) {
//Set up the editor for the integer cells.
final WholeNumberField integerField = new WholeNumberField(0, 5);
integerField.setHorizontalAlignment(WholeNumberField.RIGHT); DefaultCellEditor integerEditor =
new DefaultCellEditor(integerField) {
//Override DefaultCellEditor's getCellEditorValue method
//to return an Integer, not a String:
public Object getCellEditorValue() {
return new Integer(integerField.getValue());
}
};
table.setDefaultEditor(Integer.class, integerEditor);
} class MyTableModel extends AbstractTableModel {
final String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian"};
final Object[][] data = {
{"Mary", "Campione",
"Snowboarding", new Integer(5), new Boolean(false)},
{"Alison", "Huml",
"Rowing", new Integer(3), new Boolean(true)},
{"Kathy", "Walrath",
"Chasing toddlers", new Integer(2), new Boolean(false)},
{"Sharon", "Zakhour",
"Speed reading", new Integer(20), new Boolean(true)},
{"Angela", "Lih",
"Teaching high school", new Integer(4), new Boolean(false)}
}; public int getColumnCount() {
return columnNames.length;
}
public int getRowCount() {
return data.length;
} public String getColumnName(int col) {
return columnNames[col];
} public Object getValueAt(int row, int col) {
return data[row][col];
} /*
* JTable uses this method to determine the default renderer/
* editor for each cell. If we didn't implement this method,
* then the last column would contain text ("true"/"false"),
* rather than a check box.
*/
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
} /*
* Don't need to implement this method unless your table's
* editable.
*/
public boolean isCellEditable(int row, int col) {
//Note that the data/cell address is constant,
//no matter where the cell appears onscreen.
if (col < 2) {
return false;
} else {
return true;
}
} public void setValueAt(Object value, int row, int col) {
if (DEBUG) {
System.out.println("Setting value at " + row + "," + col
+ " to " + value
+ " (an instance of "
+ value.getClass() + ")");
} data[row][col] = value;
fireTableCellUpdated(row, col); if (DEBUG) {
System.out.println("New value of data:");
printDebugData();
}
} private void printDebugData() {
int numRows = getRowCount();
int numCols = getColumnCount(); for (int i=0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j=0; j < numCols; j++) {
System.out.print(" " + data[i][j]);
}
System.out.println();
}
System.out.println("--------------------------");
}
} public static void main(String[] args) {
TableEditDemo frame = new TableEditDemo();
frame.pack();
frame.setVisible(true);
}
}
import javax.swing.*;
import javax.swing.text.*; import java.awt.Toolkit;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Locale;public class WholeNumberField extends JTextField {
private Toolkit toolkit;
private NumberFormat integerFormatter; public WholeNumberField(int value, int columns) {
super(columns);
toolkit = Toolkit.getDefaultToolkit();
integerFormatter = NumberFormat.getNumberInstance(Locale.US);
integerFormatter.setParseIntegerOnly(true);
setValue(value);
} public int getValue() {
int retVal = 0;
try {
retVal = integerFormatter.parse(getText()).intValue();
} catch (ParseException e) {
// This should never happen because insertString allows
// only properly formatted data to get in the field.
toolkit.beep();
}
return retVal;
} public void setValue(int value) {
setText(integerFormatter.format(value));
} protected Document createDefaultModel() {
return new WholeNumberDocument();
} protected class WholeNumberDocument extends PlainDocument {
public void insertString(int offs,
String str,
AttributeSet a)
throws BadLocationException {
char[] source = str.toCharArray();
char[] result = new char[source.length];
int j = 0; for (int i = 0; i < result.length; i++) {
if (Character.isDigit(source[i]))
result[j++] = source[i];
else {
toolkit.beep();
System.err.println("insertString: " + source[i]);
}
}
super.insertString(offs, new String(result, 0, j), a);
}
}
}
public boolean isCellEditable(int row, int col) {return true;}
seani(Jason) 你有没有email或者qq呀?我的室[email protected],我发给你看看好吗?
import java.awt.*;
import javax.swing.*;
public class JTableDemo extends JApplet { public void init() { // Get content pane
Container contentPane = getContentPane(); // Set layout manager
contentPane.setLayout(new BorderLayout()); // Initialize column headings
final String[] colHeads = { "Name", "Phone", "Fax" }; // Initialize data
final Object[][] data = {
{ "Gail", "4567", "8675" },
{ "Ken", "7566", "5555" },
{ "Viviane", "5634", "5887" },
{ "Melanie", "7345", "9222" },
{ "Anne", "1237", "3333" },
{ "John", "5656", "3144" },
{ "Matt", "5672", "2176" },
{ "Claire", "6741", "4244" },
{ "Erwin", "9023", "5159" },
{ "Ellen", "1134", "5332" },
{ "Jennifer", "5689", "1212" },
{ "Ed", "9030", "1313" },
{ "Helen", "6751", "1415" }
}; // Create the table
JTable table = new JTable(data, colHeads); // Add tree to a scroll pane
int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
JScrollPane jsp = new JScrollPane(table, v, h); // Add scroll pane to the content pane
contentPane.add(jsp, BorderLayout.CENTER);
}
}
然后再网页上加上