【Swing系列】JTable 与 AbstractTableModel

import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.swing.table.AbstractTableModel;
/**
	 *构造函数
	 */
public class TableValues extends AbstractTableModel{
	private static final long serialVersionUID = 1L;
	public String[] columnNames;
	public Object[][] values ;
	public TableValues(String[] columnNames,List<Map<String,Object>> vs){
		this.columnNames=columnNames;
		values=listToArr(vs,columnNames.length);
	}
	public int getColumnCount() {
		return  values[0].length;
	}
	public int getRowCount() {
		return values.length;
	}
	public Object getValueAt(int rowIndex, int columnIndex) {
		return values[rowIndex][columnIndex];
	}
	/**
	 * 获取列名
	 */
	public String getColumnName(int column){
		return columnNames[column];
	}

	/**
	 * list<map> 转变成二位数组
	 * [@param](https://my.oschina.net/u/2303379) list
	 * [@param](https://my.oschina.net/u/2303379) titleLength
	 * [@return](https://my.oschina.net/u/556800)
	 */
	private static <T> Object[][] listToArr(List<Map<String,Object>> list,int titleLength){
		Object[][] data=new Object[list.size()][titleLength];
		for(int i=0;i<list.size();i++){
			Map<String,Object> map = list.get(i);
			Set<Map.Entry<String,Object>> set=map.entrySet();
			int index=titleLength-1;
			for(Map.Entry<String,Object> entry:set){
				if(index <titleLength){
					data[i][index]=entry.getValue();
				}
				index=index-1;
			}
		}
		return data;
	}
} 

================================================================

import java.awt.BorderLayout;
import java.awt.Container;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;

public class SimpleTableTest extends JFrame{
	private static final long serialVersionUID = -4172876583187222326L;
	protected JTable table;
	public SimpleTableTest(){
		Container pane = getContentPane();
		pane.setLayout(new BorderLayout());

		List<Map<String,Object>> list=new ArrayList<Map<String,Object>>();
		Map<String,Object> map=new HashMap<String,Object>();
		map.put("name", "何素华");
		map.put("sex", "女");
		map.put("age", "27");
		Map<String,Object> map2=new HashMap<String,Object>();
		map2.put("name", "徐良俊");
		map2.put("sex", "男");
		map2.put("age", "28");
		list.add(map);
		list.add(map2);
		TableValues tv =  new TableValues(new String[]{"姓名","性别","年龄"},list);
		table= new JTable(tv);
		//		table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
		//设置行高
		table.setRowHeight(30);
		//必须把table放入JScrollPane才会有列名出现
		JScrollPane jsp = new JScrollPane(table);
		pane.add(jsp,BorderLayout.CENTER);
	}

	public static void main(String[] args) {
		SimpleTableTest stt = new SimpleTableTest();
		stt.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		stt.setSize(400,200);
		stt.setVisible(true);
	}

}