mytablemodel.java~7~

该程序实现了windows系统的资源管理器功能

package test_tree;

import javax.swing.table.AbstractTableModel;
import java.util.ArrayList;
import java.io.File;
public class MytableModel extends AbstractTableModel {
    String []colname=new String[]{"名称","大小"};
    ArrayList listdata;//行数据
    public int getColumnCount() {
        return colname.length;
    }
    public String getColumnName(int columnIndex) {
       return colname[columnIndex];

   }
    public int getRowCount() {
        return listdata.size();
    }


    public Object getValueAt(int rowIndex, int columnIndex) {
        if(listdata==null)
         return null;
         File s=(File)this.listdata.get(rowIndex);
         Object res=null;
         switch(columnIndex)
         {
           case 0:
               res=s.getName();
               break;
           case 1:
              int te= (int)s.length();
              res=new Integer(te);
               break;
          }
          return res;
    }


}