exammodel.java~1~

用java 写的学生信息管理系统

package prjExam;

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

public class ExamModel extends AbstractTableModel {
    ArrayList al;
    String[] names = {"考试编号", "学生编号", "课程编号", "笔试成绩", "机试成绩"};
    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) {
        Exam e = (Exam) (al.get(rowIndex));
        switch (columnIndex) {
        case 0:
            return e.getExamID();
        case 1:
            return e.getStuID();
        case 2:
            return e.getCourseID();
        case 3:
            return e.getWrittenScore();
        case 4:
            return e.getLabScore();

        default:
            return null;
        }

    }
}