delete_doctor.java

在个一个诊所系统,实现数据的查询和删除等的操作.

package clinique;

import java.awt.*;

import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.Rectangle;
import com.borland.dx.sql.dataset.Database;
import com.borland.dx.sql.dataset.QueryDataSet;
import com.borland.dx.sql.dataset.ConnectionDescriptor;
import com.borland.dx.sql.dataset.QueryDescriptor;
import com.borland.dx.sql.dataset.Load;
import com.borland.dbswing.JdbTable;
import com.borland.dx.dataset.Column;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import java.sql.DriverManager;
import java.sql.Statement;
import java.sql.Connection;
import java.sql.SQLException;
import java.awt.Font;
import javax.swing.BorderFactory;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class delete_doctor extends JPanel {
    int n=-1;
    String id;
    public delete_doctor() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        this.setLayout(null);
        jScrollPane1.setBorder(BorderFactory.createEtchedBorder());
        jScrollPane1.setBounds(new Rectangle(9, 12, 637, 277));
        database2.setConnection(new ConnectionDescriptor(
                "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=clinique",
                "sa", "", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
        queryDataSet1.setQuery(new QueryDescriptor(database2,
                "select doctor_id,name,profession,phonenumber,email from doctor", null, true,
                Load.ALL));
        jdbTable1.setDataSet(queryDataSet1);
        jdbTable1.setEditable(false);
        jdbTable1.addMouseListener(new delete_doctor_jdbTable1_mouseAdapter(this));
        column1.setColumnName("doctor_id");
        column1.setDataType(com.borland.dx.dataset.Variant.INT);
        column1.setDefault("");
        column1.setRowId(true);
        column1.setTableName("doctor");
        column1.setWidth(12);
        column1.setServerColumnName("doctor_id");
        column1.setSqlType(4);
        column2.setColumnName("name");
        column2.setDataType(com.borland.dx.dataset.Variant.STRING);
        column2.setPrecision(50);
        column2.setTableName("doctor");
        column2.setWidth(12);
        column2.setServerColumnName("name");
        column2.setSqlType(1);
        column4.setColumnName("profession");
        column4.setDataType(com.borland.dx.dataset.Variant.STRING);
        column4.setPrecision(50);
        column4.setTableName("doctor");
        column4.setWidth(12);
        column4.setServerColumnName("profession");
        column4.setSqlType(1);
        column5.setColumnName("phonenumber");
        column5.setDataType(com.borland.dx.dataset.Variant.LONG);
        column5.setTableName("doctor");
        column5.setServerColumnName("phonenumber");
        jBdelete.setBounds(new Rectangle(471, 29, 99, 23));
        jBdelete.setText("删除数据");
        jBdelete.addActionListener(new delete_doctor_jBdelete_actionAdapter(this));
        jBexit.setBounds(new Rectangle(263, 29, 66, 23));
        jBexit.setText("查询");
        jBexit.addActionListener(new delete_doctor_jBexit_actionAdapter(this));
        jLabel1.setFont(new java.awt.Font("宋体", Font.BOLD, 15));
        jLabel1.setText("医生信息删除");
        jLabel1.setBounds(new Rectangle(33, 14, 116, 30));
        column6.setColumnName("email");
        column6.setDataType(com.borland.dx.dataset.Variant.STRING);
        column6.setPrecision(50);
        column6.setTableName("doctor");
        column6.setWidth(16);
        column6.setServerColumnName("EMAIL");
        column6.setSqlType(1);
        jPanel1.setBorder(BorderFactory.createEtchedBorder());
        jPanel1.setBounds(new Rectangle(68, 44, 655, 397));
        jPanel1.setLayout(null);
        jPanel3.setBorder(BorderFactory.createEtchedBorder());
        jPanel3.setBounds(new Rectangle(9, 299, 637, 85));
        jPanel3.setLayout(null);
        jLabel2.setText("姓名查询：");
        jLabel2.setBounds(new Rectangle(58, 15, 67, 15));
        jLabel3.setText("职业查询：");
        jLabel3.setBounds(new Rectangle(58, 51, 68, 15));
        cdoctor.setBounds(new Rectangle(150, 15, 77, 20));
        jComboBox2.setBounds(new Rectangle(150, 49, 77, 19));
        show.setBounds(new Rectangle(356, 29, 90, 23));
        show.setText("显示全部");
        show.addActionListener(new delete_doctor_show_actionAdapter(this));
        jPanel3.add(jLabel3);
        jPanel3.add(jLabel2);
        jPanel3.add(cdoctor);
        jPanel3.add(jComboBox2);
        jPanel3.add(jBexit);
        jPanel3.add(show);
        jPanel3.add(jBdelete);
        jPanel1.add(jScrollPane1);
        jPanel1.add(jPanel3);
        jScrollPane1.getViewport().add(jdbTable1);
        this.add(jLabel1);
        this.add(jPanel1);
        jComboBox2.addItem("");
        jComboBox2.addItem("牙科");
        jComboBox2.addItem("内科");
        jComboBox2.addItem("外科");
        jComboBox2.addItem("骨科");
        jComboBox2.addItem("妇科");

        queryDataSet1.setColumns(new Column[] {column1, column2, column4,
                                 column6});

    }

    JScrollPane jScrollPane1 = new JScrollPane();
    Database database2 = new Database();
    QueryDataSet queryDataSet1 = new QueryDataSet();
    JdbTable jdbTable1 = new JdbTable();
    Column column1 = new Column();
    Column column2 = new Column();
    Column column4 = new Column();
    Column column5 = new Column();
    JButton jBdelete = new JButton();
    JButton jBexit = new JButton();
    JLabel jLabel1 = new JLabel();
    Column column6 = new Column();
    JPanel jPanel1 = new JPanel();
    JPanel jPanel3 = new JPanel();
    JLabel jLabel2 = new JLabel();
    JLabel jLabel3 = new JLabel();
    JTextField cdoctor = new JTextField();
    JComboBox jComboBox2 = new JComboBox();
    JButton show = new JButton();
    public void jBdelete_actionPerformed(ActionEvent e) {


        if(n<0)
        {
            JOptionPane.showMessageDialog(null,"请选择要删除的一条纪录!");
        }
        else
        {
            int i;
            i=JOptionPane.showConfirmDialog(null,"你真的要删除这条数据么？","提示信息",JOptionPane.YES_NO_OPTION);
            if(i==JOptionPane.YES_OPTION)
                {
                    delete();
                }
            else
                JOptionPane.showMessageDialog(null,"数据没用删除！","提示信息",JOptionPane.NO_OPTION);
        }



    }
    private void delete()
    {
        try {
            Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
        } catch (ClassNotFoundException ce) {
            System.out.println(ce);
        }
        try {
            String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=clinique";
            Connection con = DriverManager.getConnection(url,"sa","");
            String sqlStr;
            sqlStr="delete from doctor where doctor_id=\'"+id+"\'";
            Statement s = con.createStatement();
            s.executeUpdate(sqlStr);
            JOptionPane.showMessageDialog(null,"删除数据成功!");
            queryDataSet1.refresh();
            s.close();
            con.close();
            n=-1;
        } catch (SQLException ce) {
            System.out.println(ce);
        }

}


    public void jdbTable1_mouseClicked(MouseEvent e) {
        n=jdbTable1.getSelectedRow();
        id=""+jdbTable1.getValueAt(n,0);

    }

    public void jBexit_actionPerformed(ActionEvent e) {
        if(cdoctor.getText().length()==0 && jComboBox2.getSelectedItem().equals(""))
        {
            JOptionPane.showMessageDialog(null,"请输入你要查询的关键字！");
            cdoctor.requestFocus();
        }
        else if(!cdoctor.getText().equals("") && !jComboBox2.getSelectedItem().equals(""))
        {
            queryDataSet1.close();
            queryDataSet1.setQuery(new QueryDescriptor(database2,
                    "select doctor_id,name,profession,phonenumber,email from doctor where name=\'" +
                    cdoctor.getText() + "\' and profession=\'" +
                    jComboBox2.getSelectedItem() + "\'", null, true,
                    Load.ALL));
            jdbTable1.setDataSet(queryDataSet1);
            queryDataSet1.refresh();
            if(queryDataSet1.getRowCount()==0)
            {
                JOptionPane.showMessageDialog(null,"你要查询的医生信息不存在");
            }
        }
        else
        {
            queryDataSet1.close();
            queryDataSet1.setQuery(new QueryDescriptor(database2,
                    "select doctor_id,name,profession,phonenumber,email from doctor where name=\'" +
                    cdoctor.getText() + "\' or profession=\'" +
                    jComboBox2.getSelectedItem() + "\'", null, true,
                    Load.ALL));
            jdbTable1.setDataSet(queryDataSet1);
            queryDataSet1.refresh();
            if(queryDataSet1.getRowCount()==0)
            {
                JOptionPane.showMessageDialog(null,"你要查询的医生信息不存在");
            }
        }
    }

    public void show_actionPerformed(ActionEvent e) {
        queryDataSet1.close();
        queryDataSet1.setQuery(new QueryDescriptor(database2,
                "select doctor_id,name,profession,phonenumber,email from doctor" , null, true,Load.ALL));
        jdbTable1.setDataSet(queryDataSet1);
            queryDataSet1.refresh();
    }

}


class delete_doctor_show_actionAdapter implements ActionListener {
    private delete_doctor adaptee;
    delete_doctor_show_actionAdapter(delete_doctor adaptee) {
        this.adaptee = adaptee;
    }

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


class delete_doctor_jBexit_actionAdapter implements ActionListener {
    private delete_doctor adaptee;
    delete_doctor_jBexit_actionAdapter(delete_doctor adaptee) {
        this.adaptee = adaptee;
    }

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


class delete_doctor_jdbTable1_mouseAdapter extends MouseAdapter {
    private delete_doctor adaptee;
    delete_doctor_jdbTable1_mouseAdapter(delete_doctor adaptee) {
        this.adaptee = adaptee;
    }

    public void mouseClicked(MouseEvent e) {
        adaptee.jdbTable1_mouseClicked(e);
    }
}


class delete_doctor_jBdelete_actionAdapter implements ActionListener {
    private delete_doctor adaptee;
    delete_doctor_jBdelete_actionAdapter(delete_doctor adaptee) {
        this.adaptee = adaptee;
    }

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