querycoursejpanel.java

用Java做的一个学生考试分析程序

/*
 * QueryCourseJPanel.java
 *
 * Created on 2007年12月13日, 下午5:50
 */

package 考试成绩分析程序;
import javax.swing.*;
/**
 *
 * @author  drawen
 */
public class QueryCourseJPanel extends javax.swing.JPanel {
    
    /** Creates new form QueryCourseJPanel */
    public QueryCourseJPanel() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        inputCourseId = new javax.swing.JTextField();
        courseName = new javax.swing.JTextField();
        courseCredit = new javax.swing.JTextField();
        coursePeriod = new javax.swing.JTextField();
        confirm = new javax.swing.JButton();
        jLabel6 = new javax.swing.JLabel();
        courseId = new javax.swing.JTextField();
        jLabel7 = new javax.swing.JLabel();

        jLabel1.setText("\u67e5\u8be2\u8bfe\u7a0b\u4fe1\u606f");

        jLabel2.setText("\u8f93\u5165\u8bfe\u7a0b\u7f16\u53f7\uff1a");

        jLabel3.setText("\u8bfe\u7a0b\u540d\u79f0\uff1a");

        jLabel4.setText("\u8bfe\u7a0b\u5b66\u5206\uff1a");

        jLabel5.setText("\u8bfe\u7a0b\u5b66\u65f6\uff1a");

        inputCourseId.setText("1001");

        courseName.setEditable(false);

        courseCredit.setEditable(false);

        coursePeriod.setEditable(false);

        confirm.setText("\u786e\u5b9a");
        confirm.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                confirmButtonActionListener(evt);
            }
        });

        jLabel6.setText("\u8bfe\u7a0b\u7f16\u53f7");

        courseId.setEditable(false);

        jLabel7.setText("\u67e5\u8be2\u7ed3\u679c");

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(layout.createSequentialGroup()
                        .add(60, 60, 60)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                            .add(jLabel2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .add(layout.createSequentialGroup()
                                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                                    .add(org.jdesktop.layout.GroupLayout.LEADING, jLabel5, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .add(org.jdesktop.layout.GroupLayout.LEADING, jLabel4, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .add(jLabel3, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .add(org.jdesktop.layout.GroupLayout.LEADING, jLabel6, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 60, Short.MAX_VALUE)
                                    .add(org.jdesktop.layout.GroupLayout.LEADING, jLabel7))
                                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)))
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                            .add(layout.createSequentialGroup()
                                .add(7, 7, 7)
                                .add(inputCourseId, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 134, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                            .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                                .add(org.jdesktop.layout.GroupLayout.LEADING, courseId)
                                .add(org.jdesktop.layout.GroupLayout.LEADING, courseCredit)
                                .add(org.jdesktop.layout.GroupLayout.LEADING, courseName, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 117, Short.MAX_VALUE)
                                .add(org.jdesktop.layout.GroupLayout.LEADING, coursePeriod)))
                        .add(26, 26, 26)
                        .add(confirm)
                        .add(76, 76, 76))
                    .add(layout.createSequentialGroup()
                        .add(124, 124, 124)
                        .add(jLabel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 90, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                .addContainerGap(19, Short.MAX_VALUE)
                .add(jLabel1)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel2)
                    .add(inputCourseId, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(confirm))
                .add(20, 20, 20)
                .add(jLabel7)
                .add(17, 17, 17)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel6)
                    .add(courseId, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(22, 22, 22)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel3)
                    .add(courseName, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(26, 26, 26)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(org.jdesktop.layout.GroupLayout.TRAILING, jLabel4)
                    .add(org.jdesktop.layout.GroupLayout.TRAILING, courseCredit, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(30, 30, 30)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(jLabel5)
                    .add(coursePeriod, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(31, 31, 31))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void confirmButtonActionListener(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_confirmButtonActionListener
        Course course=null;
        String id=inputCourseId.getText();
        course=Course.queryFromFile(id);
        if(course!=null){
            courseId.setText(course.getId());
            courseName.setText(course.getName());
            courseCredit.setText(String.valueOf(course.getCredit()));
            coursePeriod.setText(String.valueOf(course.getPeriod()));
            JOptionPane.showMessageDialog(null,"查询成功","查询结果",JOptionPane.WARNING_MESSAGE);
        }
        else{
            courseId.setText("");
            courseName.setText("");
            courseCredit.setText("");
            coursePeriod.setText("");
            JOptionPane.showMessageDialog(null,"查询不到相应的信息","查询结果",JOptionPane.WARNING_MESSAGE);            
        }
    }//GEN-LAST:event_confirmButtonActionListener
    
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton confirm;
    private javax.swing.JTextField courseCredit;
    private javax.swing.JTextField courseId;
    private javax.swing.JTextField courseName;
    private javax.swing.JTextField coursePeriod;
    private javax.swing.JTextField inputCourseId;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    // 变量声明结束//GEN-END:variables
    
}