localhost9000/ProductTableModel.java

package com.tyj.ui;

import java.util.List;

import javax.swing.table.AbstractTableModel;

import com.tyj.domain.Product;

@SuppressWarnings("serial")
public class ProductTableModeltyj extends AbstractTableModel{
    
	//表格列名columnNames
    private String[] columnNames = {"菜品编号","菜品类别","菜品名称"};
    private List<Product> data = null;
    
    public ProductTableModel(List<Product> data) {
        this.data = data;
    }
    
    //返回行数
	@Override
	public int getRowCount() {
		// TODO Auto-generated method stub
		 return data == null ? 0 : data.size();
	}

	//返回列数
	@Override
	public int getColumnCount() {
		// TODO Auto-generated method stub
		return columnNames.length;
	}

	
	//获得某行某列的数据，而数据保存在对象数组products中
	@Override
	public Object getValueAt(int rowIndex, int columnIndex) {
		if (data == null || rowIndex >= data.size()) {
	        return null; // Or return a default value, depending on your requirements
	    }
		// 每一行就是一个Product商品对象
		Product p = data.get(rowIndex);
		switch(columnIndex) {
		
		case 0 :
		return p.getProductid();
		case 1 :
			return p.getTypeid();
		default :
			return p.getName();
		}
	}
	@Override
	public String getColumnName(int columnIndex) {
		return columnNames[columnIndex];
	}
}