lookmasks.java

java netbeans 学习程序合集

/*
 * LookMasks.java
 *
 * Created on 2007年9月5日, 下午1:53
 */

package org.Adam;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Vector;
import javax.swing.table.DefaultTableModel;

/**
 *
 * @author  Administrator
 */
public class LookMasks extends javax.swing.JFrame {
     ResultSet rs=null;
     public String a=new String();
    /** Creates new form LookMasks */
    public LookMasks() {
        initComponents();
        this.setLocationRelativeTo(this);
        this.setResizable(false);
        this.jComboBox1.addItem("");
        GetGrade(); 
    }
    private void GetGrade(){
        String sql="select distinct 年级 from 班级信息 ";
        DB dB=new DB();
        rs=dB.SelectpassDb(sql);
        try {
           while(rs.next()){
            a=rs.getString("年级");
            this.jComboBox1.addItem(a);
           }
            
        } catch (SQLException ex) {
            ex.printStackTrace();
        }
    }
    /** 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() {
        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jComboBoxClass = new javax.swing.JComboBox();
        jLabel3 = new javax.swing.JLabel();
        jComboBoxXueqi = new javax.swing.JComboBox();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jComboBox1 = new javax.swing.JComboBox();
        jButtonLook = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("\u6210\u7ee9\u6d4f\u89c8");
        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("\u6210\u7ee9\u6d4f\u89c8"));
        jLabel1.setText("\u5e74\u7ea7\uff1a");

        jLabel2.setText("\u73ed\u7ea7\uff1a");

        jComboBoxClass.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "", "\u7535\u4fe1", "\u5e94\u7535", "\u7269\u65591\u73ed", "\u7269\u65592\u73ed", "\u7269\u65593\u73ed" }));

        jLabel3.setText("\u6309\u5b66\u671f\u6d4f\u89c8\uff1a");

        jComboBoxXueqi.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "", "\u7b2c\u4e00\u5b66\u671f", "\u7b2c\u4e8c\u5b66\u671f", "\u7b2c\u4e09\u5b66\u671f", "\u7b2c\u56db\u5b66\u671f", "\u7b2c\u4e94\u5b66\u671f", "\u7b2c\u516d\u5b66\u671f", "\u7b2c\u4e03\u5b66\u671f", "\u7b2c\u516b\u5b66\u671f" }));

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {},
                {},
                {},
                {}
            },
            new String [] {

            }
        ));
        jScrollPane1.setViewportView(jTable1);

        org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                    .add(jPanel1Layout.createSequentialGroup()
                        .add(jLabel1)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(jComboBox1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 103, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                        .add(12, 12, 12)
                        .add(jLabel2)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(jComboBoxClass, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 98, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                    .add(jPanel1Layout.createSequentialGroup()
                        .add(jLabel3)
                        .add(13, 13, 13)
                        .add(jComboBoxXueqi, 0, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                .addContainerGap(56, Short.MAX_VALUE))
            .add(org.jdesktop.layout.GroupLayout.TRAILING, jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 359, Short.MAX_VALUE)
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel1)
                    .add(jLabel2)
                    .add(jComboBoxClass, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jComboBox1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(26, 26, 26)
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel3)
                    .add(jComboBoxXueqi, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 304, Short.MAX_VALUE))
        );

        jButtonLook.setText("\u6d4f\u89c8\u6210\u7ee9\u4fe1\u606f");
        jButtonLook.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonLookActionPerformed(evt);
            }
        });

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().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()
                        .addContainerGap()
                        .add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .add(layout.createSequentialGroup()
                        .add(142, 142, 142)
                        .add(jButtonLook)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(17, 17, 17)
                .add(jButtonLook)
                .addContainerGap(16, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButtonLookActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonLookActionPerformed
// TODO 将在此处添加您的处理代码：
        String Grade=this.jComboBox1.getSelectedItem().toString();
        String Class=this.jComboBoxClass.getSelectedItem().toString();
        String Xueqi=this.jComboBoxXueqi.getSelectedItem().toString();
        Vector<Vector> data=new Vector();
        Vector<String> head=new Vector();
        String sql="select distinct a.学号,a.姓名,c.科目,b.成绩 from 学生档案 a,课程及成绩 b,课程明细 c,学期 d where a.m_id=b.s_id and b.subject_ID=c.subject_ID and b.xueqi_ID=d.xueqi_ID and d.学期='"+Xueqi+"' and a.年级='"+Grade+"' and a.班级='"+Class+"' ";
         DefaultTableModel tableModel=(DefaultTableModel)this.jTable1.getModel();
        DB dB=new DB();      
        head=dB.doClassTableHead(sql);
        data=dB.doClassQuery(sql);
        tableModel.setDataVector(data,head);
        this.jTable1.setModel(tableModel);       
        ((DefaultTableModel)jTable1.getModel()).fireTableStructureChanged();
        dB.closeAccessConnection();
    }//GEN-LAST:event_jButtonLookActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new LookMasks().setVisible(true);
            }
        });
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton jButtonLook;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JComboBox jComboBoxClass;
    private javax.swing.JComboBox jComboBoxXueqi;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    // 变量声明结束//GEN-END:variables
    
}