insertdialog.java~14~

简单的学生管理系统。。用JBUILER和SQL2000。

package studentgl;

import java.awt.*;
import javax.swing.*;
import com.borland.dbswing.*;
import com.borland.dx.sql.dataset.*;
import com.borland.dx.dataset.*;
import java.awt.event.*;
import java.sql.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class insertDialog extends JDialog {
  JPanel panel1 = new JPanel();
  BorderLayout borderLayout1 = new BorderLayout();
  JPanel jPanel1 = new JPanel();
  JLabel jLabel1 = new JLabel();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  JButton jButton1 = new JButton();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  Column column1 = new Column();
  Column column2 = new Column();
  Column column3 = new Column();
  Column column4 = new Column();
  Column column5 = new Column();
  Column column6 = new Column();
  Column column7 = new Column();
   Connection con ;

  public insertDialog(Frame frame, String title, boolean modal) {
    super(frame, title, modal);
     this.setLocation(309,239);
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public insertDialog() {
    this(null, "", false);
  }
  private void jbInit() throws Exception {
    panel1.setLayout(borderLayout1);
    jPanel1.setLayout(null);
    jLabel1.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel1.setForeground(Color.red);
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setText("录入成绩");
    jLabel1.setBounds(new Rectangle(144, 8, 87, 16));
    tableScrollPane1.setBounds(new Rectangle(21, 27, 353, 211));
    jButton1.setBounds(new Rectangle(159, 246, 73, 25));
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setForeground(Color.red);
    jButton1.setText("确定");
    jButton1.addActionListener(new insertDialog_jButton1_actionAdapter(this));
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://Issac:1433;DatabaseName=studentgl", "sa", "123456", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select a.stid,a.stname,b.coname,b.coid,c.score from studentinfo a,courseinfo " +
      "b,score c where  a.stid=c.stid and b.coid=c.coid", null, true, Load.ALL));
    column1.setCaption("学号");
    column1.setColumnName("StID");
    column1.setDataType(com.borland.dx.dataset.Variant.STRING);
    column1.setPrecision(8);
    column1.setRowId(true);
    column1.setTableName("studentinfo");
    column1.setWidth(6);
    column1.setServerColumnName("StID");
    column1.setSqlType(1);
    column1.setHidden(true);
    column1.addColumnChangeListener(new insertDialog_column1_columnChangeAdapter(this));
    column2.setCaption("课程ID");
    column2.setColumnName("CoID");
    column2.setDataType(com.borland.dx.dataset.Variant.STRING);
    column2.setPrecision(5);
    column2.setRowId(true);
    column2.setTableName("courseinfo");
    column2.setWidth(3);
    column2.setServerColumnName("CoID");
    column2.setSqlType(1);
    column2.setHidden(true);
    column3.setCaption("学生姓名");
    column3.setColumnName("stname");
    column3.setDataType(com.borland.dx.dataset.Variant.STRING);
    column3.setPrecision(20);
    column3.setTableName("studentinfo");
    column3.setWidth(5);
    column3.setServerColumnName("stname");
    column3.setSqlType(1);
    jdbTable1.setFont(new java.awt.Font("Serif", 0, 12));
    jdbTable1.setDataSet(queryDataSet1);
    column4.setCaption("课程名");
    column4.setColumnName("coname");
    column4.setDataType(com.borland.dx.dataset.Variant.STRING);
    column4.setPrecision(10);
    column4.setTableName("courseinfo");
    column4.setWidth(6);
    column4.setServerColumnName("coname");
    column4.setSqlType(12);
    column5.setCaption("成绩");
    column5.setColumnName("score");
    column5.setDataType(com.borland.dx.dataset.Variant.STRING);
    column5.setTableName("score");
    column5.setWidth(4);
    column5.setServerColumnName("score");
    column5.setSqlType(4);
    column6.setCaption("学号");
    column6.setColumnName("stid1");
    column6.setDataType(com.borland.dx.dataset.Variant.STRING);
    column6.setPrecision(8);
    column6.setTableName("studentinfo");
    column6.setWidth(5);
    column6.setServerColumnName("stid");
    column6.setSqlType(1);
    column7.setCaption("课程号");
    column7.setColumnName("coid1");
    column7.setDataType(com.borland.dx.dataset.Variant.STRING);
    column7.setPrecision(5);
    column7.setTableName("courseinfo");
    column7.setServerColumnName("coid");
    column7.setSqlType(1);
    queryDataSet1.setColumns(new Column[] {column1, column2, column6, column3, column4, column7, column5});
    getContentPane().add(panel1);
    panel1.add(jPanel1, BorderLayout.CENTER);
    jPanel1.add(jLabel1, null);
    jPanel1.add(tableScrollPane1, null);
    jPanel1.add(jButton1, null);
    tableScrollPane1.getViewport().add(jdbTable1, null);
  }

  void column1_changed(DataSet dataSet, Column column, Variant value) {
    DataRow y=new DataRow(dataSet);
    dataSet.getDataRow(y);
   // String s=y.getString(0);
   // String s1=y.getString(6);
   // System.out.println(s);
    //System.out.println(s1);

  }

  void jButton1_actionPerformed(ActionEvent e) {
      DataSet s=(DataSet) queryDataSet1; //将query中的数据转换成DataSet
      DataRow y=new DataRow(s); //构建DataRow，以获取每一行数据
      int rows=s.getRowCount();//获得行数
      try{
      for (int i=0;i<rows;i++){
        s.getDataRow(i,y);//将第i行的数据导入y中
        String s1=y.getString(0);
        String s2=y.getString(5);
        String s3=y.getString(6);
       // System.out.print(s1+",");
       // System.out.print(s2+",");
       // System.out.println(s3);
        //此处可插入更新数据库的表的语句
        con=connect.getconn();
       Statement stmt=con.createStatement();
       String update="update score set score='"+s3+"' where stid='"+s1+"' and coid='"+s2+"'";
       stmt.executeUpdate(update);
      JOptionPane.showConfirmDialog(this,"录入成功","信息提示",1);
      this.hide();
      }
    }catch(SQLException ex){
      System.out.print(ex);}

}
}

class insertDialog_column1_columnChangeAdapter extends com.borland.dx.dataset.ColumnChangeAdapter {
  insertDialog adaptee;

  insertDialog_column1_columnChangeAdapter(insertDialog adaptee) {
    this.adaptee = adaptee;
  }
  public void changed(DataSet dataSet, Column column, Variant value) {
    adaptee.column1_changed(dataSet, column, value);
  }
}

class insertDialog_jButton1_actionAdapter implements java.awt.event.ActionListener {
  insertDialog adaptee;

  insertDialog_jButton1_actionAdapter(insertDialog adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}