ScienceQuery.java~44~
资源名称:Java.rar [点击查看]
上传用户:liming9091
上传日期:2014-10-27
资源大小:3376k
文件大小:6k
源码类别:
Java编程
开发平台:
Java
- package infomanagement;
- import java.awt.*;
- import javax.swing.*;
- import com.borland.jbcl.layout.*;
- import com.borland.dbswing.*;
- import com.borland.dx.sql.dataset.*;
- import java.awt.event.*;
- import com.borland.dx.dataset.*;
- /**
- * <p>Title: </p>
- * <p>Description: </p>
- * <p>Copyright: Copyright (c) 2003</p>
- * <p>Company: </p>
- * @author unascribed
- * @version 1.0
- */
- public class ScienceQuery extends JDialog {
- private JPanel jPanel1 = new JPanel();
- private XYLayout xYLayout1 = new XYLayout();
- private JLabel jLabel1 = new JLabel();
- private JLabel jLabel2 = new JLabel();
- private JLabel jLabel3 = new JLabel();
- private JTextField jtfCardID = new JTextField();
- private JButton jbnQuery = new JButton();
- private Database database1 = new Database();
- private QueryDataSet queryDataSet1 = new QueryDataSet();
- private JdbTable jdbTable1 = new JdbTable();
- private JLabel jLabel4 = new JLabel();
- private JButton jbnExit = new JButton();
- private Column column1 = new Column();
- private Column column2 = new Column();
- private Column column3 = new Column();
- private Column column4 = new Column();
- private Column column5 = new Column();
- private JdbTextField jdbTextField1 = new JdbTextField();
- private QueryDataSet queryDataSet2 = new QueryDataSet();
- public ScienceQuery(Frame frame, String title, boolean modal) {
- super(frame, title, modal);
- try {
- jbInit();
- pack();
- }
- catch(Exception ex) {
- ex.printStackTrace();
- }
- }
- public ScienceQuery() {
- this(null, "", false);
- }
- private void jbInit() throws Exception {
- //设置jPanel1为任意放置
- jPanel1.setLayout(xYLayout1);
- jLabel1.setFont(new java.awt.Font("Dialog", 0, 23));
- jLabel1.setForeground(Color.magenta);
- jLabel1.setBorder(BorderFactory.createEtchedBorder());
- //设置文本标题 理科成绩查询
- jLabel1.setText(" 理科成绩查询");
- jLabel2.setBorder(BorderFactory.createEtchedBorder());
- //设置文本标题 准考证号
- jLabel3.setText("准考证号");
- //设置文本标题
- jbnQuery.setText("执行查询");
- jbnQuery.addActionListener(new java.awt.event.ActionListener() {
- public void actionPerformed(ActionEvent e) {
- jbnQuery_actionPerformed(e);
- }
- });
- //连接数据库(local)
- database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:odbc:local", "sa", "", false, "sun.jdbc.odbc.JdbcOdbcDriver"));
- //设置文本标题 执行查询
- jLabel4.setText("总成绩");
- //设置文本标题 退出
- jbnExit.setText("退出");
- //添加退出事件
- jbnExit.addActionListener(new java.awt.event.ActionListener() {
- public void actionPerformed(ActionEvent e) {
- jbnExit_actionPerformed(e);
- }
- });
- column1.setColumnName("NewColumn1");
- column1.setDataType(com.borland.dx.dataset.Variant.STRING);
- column1.setPreferredOrdinal(4);
- column1.setServerColumnName("NewColumn1");
- column1.setSqlType(0);
- column2.setColumnName("subject");
- column2.setDataType(com.borland.dx.dataset.Variant.STRING);
- column2.setPrecision(50);
- column2.setPreferredOrdinal(0);
- column2.setSchemaName("dbo");
- column2.setTableName("science2");
- column2.setServerColumnName("subject");
- column2.setSqlType(12);
- column3.setColumnName("subjectNameID");
- column3.setDataType(com.borland.dx.dataset.Variant.LONG);
- column3.setPreferredOrdinal(1);
- column3.setSchemaName("dbo");
- column3.setTableName("science2");
- column3.setServerColumnName("subjectNameID");
- column3.setSqlType(-5);
- column4.setColumnName("cardID");
- column4.setDataType(com.borland.dx.dataset.Variant.LONG);
- column4.setPreferredOrdinal(2);
- column4.setSchemaName("dbo");
- column4.setTableName("science2");
- column4.setServerColumnName("cardID");
- column4.setSqlType(-5);
- column5.setColumnName("achievement");
- column5.setDataType(com.borland.dx.dataset.Variant.STRING);
- column5.setPrecision(50);
- column5.setPreferredOrdinal(3);
- column5.setSchemaName("dbo");
- column5.setTableName("science2");
- column5.setServerColumnName("achievement");
- column5.setSqlType(12);
- this.getContentPane().add(jPanel1, BorderLayout.CENTER);
- //在jPanel1中放置各个控件
- jPanel1.add(jLabel1, new XYConstraints(0, 1, 399, 53));
- jPanel1.add(jLabel3, new XYConstraints(10, 66, 80, 19));
- jPanel1.add(jtfCardID, new XYConstraints(97, 66, 80, 21));
- jPanel1.add(jLabel2, new XYConstraints(0, 53, 398, 49));
- jPanel1.add(jbnQuery, new XYConstraints(300, 66, 90, 22));
- jPanel1.add(jdbTable1, new XYConstraints(0, 100, 398, 154));
- jPanel1.add(jLabel4, new XYConstraints(10, 268, 80, 20));
- jPanel1.add(jbnExit, new XYConstraints(300, 268, 90, 20));
- jPanel1.add(jdbTextField1, new XYConstraints(100, 268, 90, 20));
- }
- //定义退出方法
- void cancel(){
- dispose() ;
- }
- //退出事件
- void jbnExit_actionPerformed(ActionEvent e) {
- cancel();
- }
- //执行查询语句
- void jbnQuery_actionPerformed(ActionEvent e) {
- //进行数据查询
- try{
- //获得准考证号
- int cardID1 = Integer.parseInt(jtfCardID.getText().trim());
- //查询学习成绩
- queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "SELECT science2.cardID,science2.subject,science2.achievement,science2.subjectNameID " +
- "FROM info.dbo.science2 where science2.cardID = '"+cardID1+"'", null, true, Load.ALL));
- queryDataSet1.setColumns(new Column[] {column2, column3, column4, column5, column1});
- //加入到jdbTable1中
- jdbTable1.setDataSet(queryDataSet1);
- //执行sum语句,获得成绩总分
- queryDataSet2.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "SELECT SUM(achievement) AS SUM_achievement FROM info.dbo.science2n" +
- "where science2.cardID = 10000001", null, true, Load.ALL));
- //在jdbTextField1中加入一列
- jdbTextField1.setColumnName("SUM_achievement");
- //把数据集加入到jdbTextField1中
- jdbTextField1.setDataSet(queryDataSet2);
- }
- catch(Exception sql){
- JOptionPane.showMessageDialog(this,"准考证不存在,请重试");
- }
- }
- }