yerenzyy

很不错的代码(在Java JTable窗体上添加日历)

以JTable窗体形式选择日期。

import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Calendar;
import javax.swing.BorderFactory;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JSpinner;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.SpinnerNumberModel;
import javax.swing.border.BevelBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableModel;

public class CaDialog extends javax.swing.JDialog {

 private int row;
 private int column;
 private JTextField jtf;
 public String day = null;
 private JSpinner yearSpinner;
 private JTable dadeTable;
 private JScrollPane jScrollPane1;
 private JComboBox monthComboBox;
 Calendar time = Calendar.getInstance();// 实例化一个日历类对象
 Object[][] data = new Object[6][7];
 String[] head = { "日", "一", "二", "三", "四", "五", "六" };

 public static void main(String[] args) {
  JFrame frame = new JFrame();
  CaDialog inst = new CaDialog(frame);
  inst.setVisible(true);
 }
 
 public CaDialog(JFrame frame) {
  super(frame);
  initGUI();
 }
 
 public CaDialog(JTextField jtf) {
  super();
  this.jtf=jtf;
  initGUI();
 }
 
 private void initGUI() {
  try {
   {
    getContentPane().setLayout(null);
    this.setModal(true);
   }
   this.setSize(253, 202);
   {
    ComboBoxModel jComboBox1Model = new DefaultComboBoxModel(
     new String[] { "一月", "二月", "三月", "四月", "五月", "六月","七月",
       "八月", "九月", "十月", "十一月", "十二月" });
    monthComboBox = new JComboBox();
    getContentPane().add(monthComboBox);
    monthComboBox.setModel(jComboBox1Model);
    monthComboBox.setSelectedIndex(Calendar.getInstance().get(
      Calendar.MONTH));
    monthComboBox.setBounds(10, 5, 105, 21);
    monthComboBox.setMaximumRowCount(4);
    monthComboBox.addActionListener(new ActionListener() {
     public void actionPerformed(ActionEvent evt) {
      monthComboBoxActionPerformed(evt);
     }
    });
   }
   {
    SpinnerNumberModel yearSpinnerModel = new SpinnerNumberModel(1983,1950,2099,1);
    yearSpinner = new JSpinner(yearSpinnerModel);
    yearSpinner.setValue(Calendar.getInstance().get(
      Calendar.YEAR));
    JSpinner.NumberEditor editor = new JSpinner.NumberEditor(
      yearSpinner, "###");
    yearSpinner.setEditor(editor);
    this.add(yearSpinner);
    getContentPane().add(yearSpinner);
    yearSpinner.setModel(yearSpinnerModel);
    yearSpinner.setBounds(127, 5, 105, 21);
    yearSpinner.addChangeListener(new ChangeListener() {
     public void stateChanged(ChangeEvent evt) {
      yearSpinnerStateChanged(evt);
     }
    });
   }
   {
    jScrollPane1 = new JScrollPane();
    getContentPane().add(jScrollPane1);
    jScrollPane1.setBounds(9, 37, 224, 117);
    {
     this.in();
     TableModel jTable1Model = new DefaultTableModel(data, head)
     {public boolean isCellEditable(int row, int column)
     {return false;}
    };;
     dadeTable = new JTable(jTable1Model);
     dadeTable.getTableHeader().setReorderingAllowed(false);
     dadeTable.getTableHeader().setResizingAllowed(false);
     jScrollPane1.setViewportView(dadeTable);
     dadeTable.setCellSelectionEnabled(true);
     dadeTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);     
     dadeTable.getTableHeader().setEnabled(false);
     dadeTable.setGridColor(Color.WHITE);
     dadeTable.setDefaultRenderer(Object.class, new TableCellRenderer(){
//      @Override
      public Component getTableCellRendererComponent(
        JTable table, Object value, boolean isSelected,
        boolean hasFocus, int r, int c) {
       // TODO Auto-generated method stub
       JLabel cell = new JLabel(value==null?"":String.valueOf(value),0);
       cell.setOpaque(true);
       if(isSelected&&dadeTable.getValueAt(r,c)!=null){
        cell.setBackground(Color.GRAY);
       }
       if(r==row&&c==column){
        cell.setBorder(BorderFactory.createEtchedBorder(BevelBorder.LOWERED));
       }
       return cell;
      }
     });
     dadeTable.addMouseListener(new MouseAdapter() {
      public void mouseClicked(MouseEvent evt) {
       dateTableMouseClicked(evt);
      }
     });
    }
   }
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 private void dateTableMouseClicked(MouseEvent evt) {
  try{
  String date = String.valueOf(dadeTable.getValueAt(dadeTable
    .getSelectedRow(), dadeTable.getSelectedColumn()));
  if (date.equals("null")) {
   JOptionPane.showMessageDialog(this, "请选择日期!");
   return;
  }
  if (evt.getClickCount() == 2) {
   String year = yearSpinner.getValue().toString();
   int month = monthComboBox.getSelectedIndex() + 1;
   day = year + "-" + (String.valueOf(month).length()==1?"0"+month:month) + "-" + (String.valueOf(date).length()==1?"0"+date:date);
   this.jtf.setText(day);
   this.dispose();
  }
  }catch(Exception e){}
 }

 private void monthComboBoxActionPerformed(ActionEvent evt) {
  time.set(Calendar.MONTH, monthComboBox.getSelectedIndex());
  data = (Object[][]) this.clear();
  this.in();
  TableModel dateTableModel = new DefaultTableModel(data, head)
  {public boolean isCellEditable(int row, int column)
   {return false;}
  };
  dadeTable.setModel(dateTableModel);
 }

 private void yearSpinnerStateChanged(ChangeEvent evt) {
  time.set(Calendar.YEAR, Integer.parseInt(String.valueOf(yearSpinner
    .getValue())));
  data = (Object[][]) this.clear();
  this.in();
  TableModel dateTableModel = new DefaultTableModel(data, head)
  {public boolean isCellEditable(int row, int column)
   {return false;}
  };
  dadeTable.setModel(dateTableModel);
 }
 
 public void in() {
  int today = Calendar.getInstance().get(Calendar.DATE);
  time.set(Calendar.DATE, 1);// 设置日期为1号
  int w = time.get(Calendar.DAY_OF_WEEK) - 1;// 得一号星期几
  time.add(Calendar.MONTH, 1); // 月份+1
  time.add(Calendar.DAY_OF_MONTH, -1);// 退一天
  int day = time.get(Calendar.DATE);// 得到本月最后一天,本月天数
  int c = 0;
  for (int i = 1; i <= day; i++) {
   if ((i + w) % 7 == 0) {
    c = (int) (i + w) / 7 - 1;
   } else {
    c = (int) (i + w) / 7;
   }
   data[c][(w + i - 1) % 7] = i;
   if (i == today) {
    row=c;
    column=(w+i-1)%7;
   }
  }
 }
 
 public Object clear() {
  return new Object[][] { { null, null, null, null, null, null, null },
    { null, null, null, null, null, null, null },
    { null, null, null, null, null, null, null },
    { null, null, null, null, null, null, null },
    { null, null, null, null, null, null, null },
    { null, null, null, null, null, null, null }, };
 }
}

调用方法:

CaDialog cai = new CaDialog(this.birthdayTextField1);
  cai.setVisible(true);
  cai.toFront();

posted on 2008-09-25 11:52 冶人 阅读(1484) 评论(0)  编辑  收藏


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