classinfomod.java~1~

这是一个图书和学生信息的管理系统,它可以在数据库里面增加,修改,删除数据来管理图书和学生信息

package classinfo;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */
import com.zdsoft.gui.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import com.zdsoft.datacenter.ASDatacenter;

public class ClassInfoAdd
    extends ASDialog {
  BorderLayout borderLayout1 = new BorderLayout();
  JPanel jPanel1 = new JPanel();
  JPanel jPanel2 = new JPanel();
  JPanel jPanel3 = new JPanel();
  JLabel jLabel1 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  GridBagLayout gridBagLayout1 = new GridBagLayout();
  JLabel jLabel2 = new JLabel();
  JTextField id = new JTextField();
  JLabel jLabel3 = new JLabel();
  JTextField name = new JTextField();
  JLabel jLabel4 = new JLabel();
  JTextField teacher = new JTextField();

  ClassInfoShow cl;
  public ClassInfoAdd(ClassInfoShow cls) {
    cl = cls;
    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    this.setSize(new Dimension(277, 180)); //(1)定义本对话框的大小(宽度,高度);
    this.getContentPane().setLayout(borderLayout1);
    jLabel1.setFont(new java.awt.Font("Serif", 0, 15));
    jLabel1.setText("增加班级信息");
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setText("取消");
    jButton1.addActionListener(new ClassInfoAdd_jButton1_actionAdapter(this));
    jButton2.setFont(new java.awt.Font("Serif", 0, 12));
    jButton2.setText("确定");
    jButton2.addActionListener(new ClassInfoAdd_jButton2_actionAdapter(this));
    jPanel1.setLayout(gridBagLayout1);
    jLabel2.setFont(new java.awt.Font("Serif", 0, 12));
    jLabel2.setText("班级编号：");
    id.setPreferredSize(new Dimension(100, 22));
    id.setText("");
    jLabel3.setFont(new java.awt.Font("Serif", 0, 12));
    jLabel3.setText("班级名称：");
    name.setPreferredSize(new Dimension(100, 22));
    name.setText("");
    jLabel4.setFont(new java.awt.Font("Serif", 0, 12));
    jLabel4.setText("班主任：");
    teacher.setPreferredSize(new Dimension(100, 22));
    this.getContentPane().add(jPanel1, BorderLayout.CENTER);
    jPanel1.add(jLabel2, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
                                                , GridBagConstraints.CENTER,
                                                GridBagConstraints.NONE,
                                                new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(id, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0
        , GridBagConstraints.CENTER, GridBagConstraints.NONE,
        new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(jLabel3, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
                                                , GridBagConstraints.CENTER,
                                                GridBagConstraints.NONE,
                                                new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(name, new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0
        , GridBagConstraints.CENTER, GridBagConstraints.NONE,
        new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(jLabel4, new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0
                                                , GridBagConstraints.CENTER,
                                                GridBagConstraints.NONE,
                                                new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(teacher, new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0
        , GridBagConstraints.CENTER, GridBagConstraints.NONE,
        new Insets(0, 0, 0, 0), 0, 0));
    this.getContentPane().add(jPanel2, BorderLayout.SOUTH);
    jPanel2.add(jButton2, null);
    jPanel2.add(jButton1, null);
    this.getContentPane().add(jPanel3, BorderLayout.NORTH);
    jPanel3.add(jLabel1, null);
    this.setWindowCenter(); //(2)将本对话框居中;
  }

  void jButton1_actionPerformed(ActionEvent e) {
    this.dispose(); //关闭本对话框；
  }

  void jButton2_actionPerformed(ActionEvent e) {
    ASDatacenter dc = new ASDatacenter();
    dc.connect();
    String sql = "insert into bj_info(id,name,teacher) values(" + id.getText() +
        ",'" +
        name.getText() + "','" + teacher.getText() + "')";
    String[] msg = dc.update(sql);
    if (msg[0].equals("true")) {
      int row = cl.ds.addRow();
      try {
        cl.ds.setObjectAt(row, "id", new Integer(id.getText())); //调用ASDatastore类的setObjectAt方法，将增加的相应值的“对象”
        cl.ds.setObjectAt(row, "name", name.getText());
        cl.ds.setObjectAt(row, "teacher", teacher.getText());
        //填入ds的相应行和列

        //通知显示ds数据的表格，ds的数据已发生改变
        cl.jTable1.ASTableRepant();

      }
      catch (Exception ex) {
        ex.printStackTrace();
      }
      //(2)关闭本本对话框
      this.dispose();
    }
    else { //数据库增加失败
      //弹出错误信息提示框
      dc.disconnect();
      JOptionPane.showMessageDialog(this, "数据库增加失败!", "错误",
                                    JOptionPane.ERROR_MESSAGE);
      this.dispose();
    }

//关闭数据库连接
    dc.disconnect();

  }

}

class ClassInfoAdd_jButton1_actionAdapter
    implements java.awt.event.ActionListener {
  ClassInfoAdd adaptee;

  ClassInfoAdd_jButton1_actionAdapter(ClassInfoAdd adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class ClassInfoAdd_jButton2_actionAdapter
    implements java.awt.event.ActionListener {
  ClassInfoAdd adaptee;

  ClassInfoAdd_jButton2_actionAdapter(ClassInfoAdd adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}