ljb_show.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 com.zdsoft.datacenter.ASDatacenter;
import com.zdsoft.datastore.ASDatastore;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import ZQ.*;
public class LJB_show extends ASPanel{
  JPanel jPanel1 = new JPanel();
  JPanel jPanel2 = new JPanel();
  JPanel jPanel3 = new JPanel();
  JLabel jLabel1 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();
  JScrollPane jScrollPane1 = new JScrollPane();
  ASTable jTable1;
  ASDatastore ds;
  JButton jButton4 = new JButton();
  public LJB_show() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
ASDatacenter dc = new ASDatacenter();
dc.connect();
String sql = "select * from banji_dm";
ds = dc.retrieve(sql);
String[] liab = new String[3];
liab[0] = "班级号码";
liab[1] = "班级名称";
liab[2] = "班主任";
ds.setTitleLable(liab);
ASTableView tv = new ASTableView(ds);
jTable1 = new ASTable(tv);
dc.disconnect();
    jLabel1.setFont(new java.awt.Font("Serif", 0, 20));
    jLabel1.setForeground(Color.red);
    jLabel1.setText("班级信息基本维护");
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setText("删除");
    jButton1.addActionListener(new LJB_show_jButton1_actionAdapter(this));
    jButton2.setFont(new java.awt.Font("Serif", 0, 12));
    jButton2.setText("修改");
    jButton2.addActionListener(new LJB_show_jButton2_actionAdapter(this));
    jButton3.setFont(new java.awt.Font("Serif", 0, 12));
    jButton3.setVerifyInputWhenFocusTarget(true);
    jButton3.setText("增加");
    jButton3.addActionListener(new LJB_show_jButton3_actionAdapter(this));
    this.setPreferredSize(new Dimension(600, 600));
    jScrollPane1.setPreferredSize(new Dimension(550, 350));
    jButton4.setFont(new java.awt.Font("Serif", 0, 12));
    jButton4.setText("图片");
    jButton4.addActionListener(new LJB_show_jButton4_actionAdapter(this));
    this.add(jPanel1, BorderLayout.CENTER);
    jPanel1.add(jScrollPane1, null);
    jScrollPane1.getViewport().add(jTable1, null);
    this.add(jPanel2, BorderLayout.SOUTH);
    jPanel2.add(jButton3, null);
    jPanel2.add(jButton2, null);
    jPanel2.add(jButton1, null);
    jPanel2.add(jButton4, null);
    this.add(jPanel3, BorderLayout.NORTH);
    jPanel3.add(jLabel1, null);
  }
  void jButton3_actionPerformed(ActionEvent e) {
    LJB_add md = new LJB_add(this);
   md.show();
  }
  void jButton2_actionPerformed(ActionEvent e) {
    int i = jTable1.getSelectedRow();
    if(i==-1){
      JOptionPane.showMessageDialog(this, "请选择要修改的数据!", "提示信息",
                                    JOptionPane.ERROR_MESSAGE);
    }
    else{
      LJB_mod md = new LJB_mod(this);
      md.show();
    }
  }
  void jButton1_actionPerformed(ActionEvent e) {
    int i = jTable1.getSelectedRow();
    if(i==-1){
      JOptionPane.showMessageDialog(this, "请选择要删除的数据!", "提示信息",
                                    JOptionPane.ERROR_MESSAGE);
    }
    else{
      try {
        int xh = ds.getItemInteger(i,"bj_id").intValue();
        String sql = "delete banji_dm where bj_id="+xh;
        ASDatacenter dc = new ASDatacenter();
        dc.connect();
        String[] msg = dc.update(sql);
        if(msg[0].equals("true")){
          ds.removeRow(i);
        jTable1.ASTableRepant();
        }
        else{}
        dc.disconnect();
      }
      catch (Exception ex) {
      }
    }
  }

  void jButton4_actionPerformed(ActionEvent e) {
    ZQ_tupian tp = new ZQ_tupian(this);
    tp.show();
  }
}

class LJB_show_jButton3_actionAdapter implements java.awt.event.ActionListener {
  LJB_show adaptee;

  LJB_show_jButton3_actionAdapter(LJB_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton3_actionPerformed(e);
  }
}

class LJB_show_jButton2_actionAdapter implements java.awt.event.ActionListener {
  LJB_show adaptee;

  LJB_show_jButton2_actionAdapter(LJB_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}
class LJB_show_jButton1_actionAdapter implements java.awt.event.ActionListener {
  LJB_show adaptee;

  LJB_show_jButton1_actionAdapter(LJB_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class LJB_show_jButton4_actionAdapter implements java.awt.event.ActionListener {
  LJB_show adaptee;

  LJB_show_jButton4_actionAdapter(LJB_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton4_actionPerformed(e);
  }
}