ljb_add.java

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 LJB;
/**
 */
import com.zdsoft.gui.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import com.zdsoft.datacenter.ASDatacenter;

public class LJB_add extends ASDialog{
  BorderLayout borderLayout1 = new BorderLayout();
  JPanel jPanel1 = new JPanel();
  LJB_show t1;
  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 class_id = new JTextField();
  JLabel jLabel3 = new JLabel();
  JTextField class_name = new JTextField();
  JLabel jLabel4 = new JLabel();
  JTextField class_teacher = new JTextField();
  public LJB_add(LJB_show s) {
    t1 = s;
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    this.getContentPane().setBackground(Color.red);
    this.setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
    this.setEnabled(true);
    this.setForeground(Color.white);
    this.setResizable(true);
    this.setSize(new Dimension(346, 207));
    this.getContentPane().setLayout(borderLayout1);
    jLabel1.setFont(new java.awt.Font("Serif", 0, 15));
    jLabel1.setForeground(Color.magenta);
    jLabel1.setText("增加信息");
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setText("取消");
    jButton1.addActionListener(new LJB_add_jButton1_actionAdapter(this));
    jButton2.setFont(new java.awt.Font("Serif", 0, 12));
    jButton2.setText("确定");
    jButton2.addActionListener(new LJB_add_jButton2_actionAdapter(this));
    jPanel1.setLayout(gridBagLayout1);
    jLabel2.setFont(new java.awt.Font("Serif", 0, 12));
    jLabel2.setMaximumSize(new Dimension(50, 18));
    jLabel2.setMinimumSize(new Dimension(50, 18));
    jLabel2.setPreferredSize(new Dimension(50, 18));
    jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setText("班级号码");
    class_id.setMinimumSize(new Dimension(100, 25));
    class_id.setPreferredSize(new Dimension(100, 25));
    jLabel3.setFont(new java.awt.Font("Serif", 0, 12));
    jLabel3.setMaximumSize(new Dimension(50, 18));
    jLabel3.setMinimumSize(new Dimension(50, 18));
    jLabel3.setPreferredSize(new Dimension(50, 18));
    jLabel3.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel3.setText("班级名称");
    class_name.setMinimumSize(new Dimension(100, 25));
    class_name.setPreferredSize(new Dimension(100, 25));
    class_name.setText("");
    class_name.addActionListener(new LJB_add_class_name_actionAdapter(this));
    jLabel4.setFont(new java.awt.Font("Serif", 0, 12));
    jLabel4.setMaximumSize(new Dimension(50, 18));
    jLabel4.setMinimumSize(new Dimension(50, 18));
    jLabel4.setPreferredSize(new Dimension(50, 18));
    jLabel4.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel4.setText("班主任");
    class_teacher.setMinimumSize(new Dimension(100, 25));
    class_teacher.setPreferredSize(new Dimension(100, 25));
    class_teacher.setText("");
    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(class_id,    new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.BOTH, 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(class_name,   new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.BOTH, 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(class_teacher,  new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.BOTH, 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();
  }
  void class_name_actionPerformed(ActionEvent e) {
  }
  void jButton2_actionPerformed(ActionEvent e) {
   ASDatacenter dc = new ASDatacenter();
   dc.connect();
   String sql = "insert into banji_dm(bj_id,bj_name,bj_teacher) values("+class_id.getText()+",'"+
   class_name.getText()+"','"+class_teacher.getText()+"')";
   System.out.println(sql);
   String[] msg = dc.update(sql);
   if(msg[0].equals("true")){
     int row = t1.ds.addRow();
     try {
       t1.ds.setObjectAt(row,"bj_id",new Integer(class_id.getText()));
       t1.ds.setObjectAt(row,"bj_name",class_name.getText());
       t1.ds.setObjectAt(row,"bj_teacher",class_teacher.getText());
       t1.jTable1.ASTableRepant();
     }
     catch (Exception ex) {
       ex.printStackTrace();
     }
     this.dispose();
   }
   else{
     dc.disconnect();
     JOptionPane.showMessageDialog(this,"数据库增加失败!","错误",JOptionPane.ERROR_MESSAGE);
     this.dispose();
   }
   dc.disconnect();
  }
  void jButton1_actionPerformed(ActionEvent e) {
    this.dispose();
  }
}
class LJB_add_class_name_actionAdapter implements java.awt.event.ActionListener {
  LJB_add adaptee;
  LJB_add_class_name_actionAdapter(LJB_add adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.class_name_actionPerformed(e);
  }
}

class LJB_add_jButton2_actionAdapter implements java.awt.event.ActionListener {
  LJB_add adaptee;

  LJB_add_jButton2_actionAdapter(LJB_add adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}

class LJB_add_jButton1_actionAdapter implements java.awt.event.ActionListener {
  LJB_add adaptee;

  LJB_add_jButton1_actionAdapter(LJB_add adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}