Java怎么编写医院管理系统
这篇文章主要介绍“Java怎么编写医院管理系统”，在日常操作中，相信很多人在Java怎么编写医院管理系统问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”Java怎么编写医院管理系统”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
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Java是什么
Java是一门面向对象编程语言，可以编写桌面应用程序、Web应用程序、分布式系统和嵌入式系统应用程序。
1.开发工具
NetBeans8.2
MySQL5.7
mysql-connector-java-5.1.6.jar
2.演示
登录界面
增删查改界面
3.源码
CREATE TABLE user ( username varchar(255) NOT NULL, password varchar(255) DEFAULT NULL, PRIMARY KEY (username) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE doctor_info ( no varchar(45) NOT NULL, name varchar(45) DEFAULT NULL, departments varchar(45) DEFAULT NULL, level varchar(45) DEFAULT NULL, ghf varchar(45) DEFAULT NULL, PRIMARY KEY (no) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
package 经典增删查改;
import com.mysql.jdbc.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;
public class Login extends javax.swing.JFrame {
private int flag;
public Login() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
//
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField2 = new javax.swing.JTextField();
jPasswordField1 = new javax.swing.JPasswordField();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("账号");
jLabel2.setText("密码");
jTextField2.setText(" ");
jButton2.setText("登录");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jButton3.setText("退出");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(103, 103, 103)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel2)
.addComponent(jLabel1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 35, Short.MAX_VALUE)
.addComponent(jButton3))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jTextField2, javax.swing.GroupLayout.DEFAULT_SIZE, 149, Short.MAX_VALUE)
.addComponent(jPasswordField1)))
.addContainerGap(114, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(69, 69, 69)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton2)
.addComponent(jButton3))
.addContainerGap(49, Short.MAX_VALUE))
);
pack();
}//
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
try {
Connection con = DBConnection.getConnection();
Statement stmt = con.createStatement();
String sql="select *from user";
ResultSet rs = stmt.executeQuery(sql);
String usename=jTextField2.getText().trim();
char[] p=jPasswordField1.getPassword();
String pwd=new String(p);
String name = null;
String pass = null;
while(rs.next()){
name=rs.getString(1);
pass=rs.getString(2);
if(usename.equals(name)&&pwd.equals(pass)){
System.out.println("登录成功！！");
new doctorInfoGui().setVisible(true);
this.dispose();
}
}
} catch (ClassNotFoundException ex) {
Logger.getLogger(Login.class.getName()).log(Level.SEVERE, null, ex);
} catch (SQLException ex) {
Logger.getLogger(Login.class.getName()).log(Level.SEVERE, null, ex);
}
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Login().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JPasswordField jPasswordField1;
private javax.swing.JTextField jTextField2;
// End of variables declaration
} package 经典增删查改;
import java.awt.event.KeyEvent;
import javax.swing.JOptionPane;
public class doctorInfoGui extends javax.swing.JFrame {
public doctorInfoGui() {
initComponents();
String sql="select*from doctor_info";
//doctorInfo看作为一个TableModel
doctorInfo d=new doctorInfo (sql);
//教你如何添加数据的方法
jTable1.setModel(d);
System.out.println(" 已经给表添加好了数据！");
}
private void initComponents() {
jtfseacher = new javax.swing.JTextField();
jbtseacher = new javax.swing.JButton();
///////////////////////////////////////////////////////////////////
//Alt+Enter
jbtseacher.setMnemonic(KeyEvent.VK_ENTER);
jScrollPane1 = new javax.swing.JScrollPane();
jScrollPane2 = new javax.swing.JScrollPane();
jTable1 = new javax.swing.JTable();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jtfno = new javax.swing.JTextField();
jtfname = new javax.swing.JTextField();
jTextFieldks = new javax.swing.JTextField();
jtflevel = new javax.swing.JTextField();
jtfghf = new javax.swing.JTextField();
jbtAdd = new javax.swing.JButton();
Updatajbt = new javax.swing.JButton();
jbtUpdata = new javax.swing.JButton();
jLabel6 = new javax.swing.JLabel();
deletejbt = new javax.swing.JButton();
jbtClear = new javax.swing.JButton();
jLabel7 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jbtseacher.setText("查询");
jtfseacher.setToolTipText("按姓名查询");
jbtseacher.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jbtseacherActionPerformed(evt);
}
});
jTable1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jTable1MouseClicked(evt);
}
});
jScrollPane2.setViewportView(jTable1);
jScrollPane1.setViewportView(jScrollPane2);
jLabel1.setText("编号");
jLabel2.setText("姓名");
jLabel3.setText("科室");
jLabel4.setText("级别");
jLabel5.setText("挂号费");
jtfno.setText(" ");
jtfname.setText(" ");
jtflevel.setText(" ");
jtfghf.setText(" ");
jbtAdd.setText("添加");
jbtAdd.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jbtAddActionPerformed(evt);
}
});
Updatajbt.setText("修改");
Updatajbt.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
UpdatajbtActionPerformed(evt);
}
});
jLabel6.setText("姓名");
deletejbt.setText("删除");
deletejbt.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
deletejbtActionPerformed(evt);
}
});
jbtClear.setText("清空");
jbtClear.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jbtClearActionPerformed(evt);
}
});
jLabel7.setText("科室");
jTextFieldks.setText(" ");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 515, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addGap(81, 81, 81)
.addComponent(jtfseacher, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(39, 39, 39)
.addComponent(jbtseacher)
.addGap(32, 32, 32)
.addComponent(deletejbt))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jtfno, javax.swing.GroupLayout.PREFERRED_SIZE, 76, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel6)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jtfname, javax.swing.GroupLayout.PREFERRED_SIZE, 76, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(32, 32, 32)
.addComponent(jLabel4)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jtflevel, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(18, 18, 18)
.addComponent(jLabel5)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jtfghf, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(55, 55, 55)
.addComponent(jbtUpdata))
.addGroup(layout.createSequentialGroup()
.addGap(30, 30, 30)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel7)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextFieldks, javax.swing.GroupLayout.PREFERRED_SIZE, 65, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jbtAdd)
.addGap(10, 10, 10)
.addComponent(jbtClear)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(Updatajbt)))))))
.addContainerGap())
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2))));
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(17, 17, 17)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jtfseacher, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jbtseacher)
.addComponent(deletejbt))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 172, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 37, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jbtUpdata)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jLabel4)
.addComponent(jtfno, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jtflevel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel7)
.addComponent(jTextFieldks, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(8, 8, 8)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(jtfname, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jtfghf, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel6))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 0, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(39, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jbtClear)
.addComponent(Updatajbt))
.addComponent(jbtAdd, javax.swing.GroupLayout.Alignment.LEADING))
.addGap(43, 43, 43))))
);
pack();
}//
private void jbtseacherActionPerformed(java.awt.event.ActionEvent evt) {
String text=jtfseacher.getText().trim();
//重新执行查询sql语句，在读取数据，然后再添加到Table表格中，实现刷新表格的作用
String sql="select*from doctor_info where name='"+text+"'";
doctorInfo d=new doctorInfo (sql);
jTable1.setModel(d);
jtfseacher.setText("");
}
private void jbtAddActionPerformed(java.awt.event.ActionEvent evt) {
String no=jtfno.getText().trim();
String name=jtfname.getText().trim();
String ks= jTextFieldks.getText().trim();
String level=jtflevel.getText().trim();
String ghf=jtfghf.getText().trim();
//执行添加sql语句，再读取数据
String sql = "INSERT INTO doctor_info(no,name ,departments,level,ghf) VALUES('" + no + "','" + name+ "', '" + ks+ "', '" + level + "','"+ghf+"')";
doctorInfo df=new doctorInfo ();
df.Add(sql);
//
//重新读取数据
String sql1="select*from doctor_info";
doctorInfo d=new doctorInfo (sql1);
jTable1.setModel(d);
jtfno.setText("");
jtfname.setText("");
jtflevel.setText("");
jtfghf.setText("");
jTextFieldks.setText("");
}
private void UpdatajbtActionPerformed(java.awt.event.ActionEvent evt) {
//获取当前位置
int index = jTable1.getSelectedRow();
//获取莫一行的第0列的值,注意获取的行数需要减少一个
String id = jTable1.getValueAt(index-1, 0).toString() ;
String no=jtfno.getText().trim();
String name=jtfname.getText().trim();
String ks= jTextFieldks.getText().trim();
String level=jtflevel.getText().trim();
String ghf=jtfghf.getText().trim();
jtfno.setText("");
jtfname.setText("");
jtflevel.setText("");
jtfghf.setText("");
jTextFieldks.setText("");
String sql = "UPDATE doctor_info SET name ='" + name + "',departments='" + ks + "',level='" + level+ "',ghf='" + ghf + "' WHERE no='" + no+ "'";
System.out.println(id);
System.out.println(no);
doctorInfo df=new doctorInfo ();
df.Update(sql);
//重新读取数据
String sql1="select*from doctor_info";
doctorInfo d=new doctorInfo (sql1);
jTable1.setModel(d);
}
private void jTable1MouseClicked(java.awt.event.MouseEvent evt) {
//获取某一行的具体值，并把它显示在文本框中
String no = jTable1.getValueAt(jTable1.getSelectedRow(), 0).toString();
String name = jTable1.getValueAt(jTable1.getSelectedRow(), 1).toString();
String ks = jTable1.getValueAt(jTable1.getSelectedRow(), 2).toString();
String level = jTable1.getValueAt(jTable1.getSelectedRow(), 3).toString();
String ghf= jTable1.getValueAt(jTable1.getSelectedRow(), 4).toString();
//把点击的内容显示在文本框中
jtfno.setText(no);
jtfname.setText(name);
jTextFieldks.setText(ks);
jtflevel.setText(level);
jtfghf.setText(ghf);
}
private void deletejbtActionPerformed(java.awt.event.ActionEvent evt) {
//设置选择对话框的选项
String[] options = {"是", "否"};
int answ = JOptionPane.showOptionDialog(null, "是否确认删除??", "提示", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, options, options[1]);
if (answ == 0) {
int index = jTable1.getSelectedRow();
String id = jTable1.getValueAt(index, 0).toString();
String sql="delete from doctor_info where no='"+id+"'";
// 删除一条记录
doctorInfo df=new doctorInfo ();
df.delete(sql);
System.out.println("删除成功！！！");
//重新读取数据
String sql1="select*from doctor_info";
doctorInfo d=new doctorInfo (sql1);
jTable1.setModel(d);
jtfno.setText("");
jtfname.setText("");
jtflevel.setText("");
jtfghf.setText("");
jTextFieldks.setText("");
} else
{
JOptionPane.showMessageDialog(null, "无法删除！！！");
}
}
private void jbtClearActionPerformed(java.awt.event.ActionEvent evt) {
jtfno.setText("");
jtfname.setText("");
jtflevel.setText("");
jtfghf.setText("");
jTextFieldks.setText("");
}
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(doctorInfoGui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(doctorInfoGui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(doctorInfoGui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(doctorInfoGui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new doctorInfoGui().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton Updatajbt;
private javax.swing.JButton deletejbt;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JTable jTable1;
private javax.swing.JButton jbtAdd;
private javax.swing.JButton jbtClear;
private javax.swing.JButton jbtUpdata;
private javax.swing.JButton jbtseacher;
private javax.swing.JTextField jtfghf;
private javax.swing.JTextField jTextFieldks;
private javax.swing.JTextField jtflevel;
private javax.swing.JTextField jtfname;
private javax.swing.JTextField jtfno;
private javax.swing.JTextField jtfseacher;
// End of variables declaration
} package 经典增删查改;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.table.AbstractTableModel;
public class doctorInfo extends AbstractTableModel {
Connection con=null;
PreparedStatement ps=null;
ResultSet rs=null;
Vector rowData,columnName;
public doctorInfo(String sql){
init( sql) ;
}
public doctorInfo(){
}
public void init(String sql){
//columnName保存表头信息
columnName=new Vector();
columnName.add("编号");
columnName.add("姓名");
columnName.add("科室");
columnName.add("级别");
columnName.add("挂号费");
//rowData向量保存每一行的信息
rowData=new Vector();
try {
con = DBConnection.getConnection();
ps=(PreparedStatement) con.prepareStatement( sql);
rs=ps.executeQuery();
while(rs.next()){
Vector bang=new Vector();
bang.add(rs.getString(1) );
bang.add(rs.getString(2) );
bang.add(rs.getString(3) );
bang.add(rs.getString(4) );
bang.add(rs.getString(5) );
//将读取的每一行数据添加到bang中，然后再把bang添加到rowData向量中
rowData.add(bang);
}
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
if(con!=null&&ps!=null&rs!=null){
try {
con.close();
ps.close();
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
public void chushihua(String sql){
Connection con=null;
PreparedStatement ps=null;
int rs;
try {
con = DBConnection.getConnection();
ps=(PreparedStatement) con.prepareStatement( sql);
rs=ps.executeUpdate();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public void delete(String sql){
chushihua( sql);
}
public void Add(String sql){
chushihua( sql);
}
public void Update(String sql){
chushihua( sql);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Override
public int getRowCount() {
return this.rowData.size();
}
@Override
public int getColumnCount() {
return this.columnName.size();
}
@Override
public Object getValueAt(int row, int column) {
return ((Vector ) this.rowData.get(row)).get(column);
}
public String getColumnName(int column) {
return (String) this.columnName.get(column);
}
} package 经典增删查改;
import com.mysql.jdbc.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
class DBConnection{
public static Connection getConnection() throws ClassNotFoundException {
// JDBC 驱动名及数据库 URL
String JDBC_DRIVER = "com.mysql.jdbc.Driver";
String URL = "jdbc:mysql://localhost:3306/hospital";
String USER = "root";
String PASSWORD = "root";
Connection conn = null;
//与数据库建立连接
Class.forName(JDBC_DRIVER);
try {
conn= (Connection) DriverManager.getConnection(URL,USER,PASSWORD);
System.out.println("已经连接数据库");
} catch (SQLException ex) {
Logger.getLogger(DBConnection.class.getName()).log(Level.SEVERE, null, ex);
}
return conn;
}
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