和风细雨

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表格渲染器示例



实现类：
package com.sitinspring.view.panel;

import java.awt.Color;
import java.awt.Component;

import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;

/**
 * 间隔色表格渲染类
 * @author: sitinspring(junglesong@gmail.com)
 * @date: 2008-1-10
 */
public class ColorTableCellRenderer extends DefaultTableCellRenderer { 
    private static final long serialVersionUID = -3378036327580475639L;

    public Component getTableCellRendererComponent( 
               JTable table, 
               Object value, 
               boolean isSelected, 
               boolean hasFocus, 
               int row, 
               int column) { 
        
               // 得到渲染的单元格
               Component cell = 
                       super.getTableCellRendererComponent( 
                               table, 
                               value, 
                               isSelected, 
                               hasFocus, 
                               row, 
                               column); 

               // 进行渲染
               if (hasFocus) { 
                   // 如果获得焦点则设置背景色为红色
                   cell.setBackground(Color.red); 
                   //cell.setForeground(Color.black); 
               } else { 
                   if ((row % 2) == 0) { 
                       // 偶数行设置为白色
                       cell.setBackground(Color.white); 
                   } else { 
                       // 奇数行设置为蓝色
                       cell.setBackground(Color.cyan); 
                   } 
               } 
               
               return cell; 
       } 
} 



package com.sitinspring.view.panel;

import java.awt.Color;
import java.awt.Component;
import java.util.regex.Pattern;

import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;

/**
 * 大於37顯示紅色的表單元格
 * @author: sitinspring(junglesong@gmail.com)
 * @date: 2008-1-10
 */
public class AgeTableCellRenderer extends DefaultTableCellRenderer { 
    private static final long serialVersionUID = -334535475639L;

    public Component getTableCellRendererComponent( 
               JTable table, 
               Object value, 
               boolean isSelected, 
               boolean hasFocus, 
               int row, 
               int column) { 
        
               // 得到单元格
               Component cell = 
                       super.getTableCellRendererComponent( 
                               table, 
                               value, 
                               isSelected, 
                               hasFocus, 
                               row, 
                               column); 
               
               // 先把所有单元格设置为白色
               cell.setBackground(Color.white); 
               
               // 进行渲染
               if (table.getColumnName(column).equals("年龄") ) { // 如果列名等于“年龄”
                   // 取得单元格的文字
                   String strValue=(String)value;
                   
                   if(Pattern.matches("\\d+", strValue)){
                       if(Integer.parseInt(strValue)>37){
                           // 如果是数字且值大于37，将单元格背景设置为红色
                           cell.setBackground(Color.red); 
                       }                       
                   }
               } 
               
               return cell; 
       } 
} 

posted on 2008-02-22 10:06 和风细雨 阅读(399) 评论(0)  编辑  收藏


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