usermodel.java~2~

用java 写的学生信息管理系统

package prjUser;

import java.util.*;
import javax.swing.table.AbstractTableModel;

public class UserModel extends AbstractTableModel {
    ArrayList al;
    String[] names = {"用户", "权限", "密码"};

    public String getColumnName(int i) {
        return names[i];

    }

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

    public int getColumnCount() {
        return names.length;
    }

    public Object getValueAt(int rowIndex, int columnIndex) {
        User u = (User) al.get(rowIndex);
        switch (columnIndex) {
        case 0:
            return u.getUserName();
        case 1:
            return u.getGrade();
        case 2:
            return u.getPwd();
        default:
            break;
        }
        return null;
    }
}