1
我有一个类，它创建一个应用程序窗口与一些控件（代码如下，windowAs.java文件）。在“初始化”类中创建所有元素。这些只是应用程序中许多其他按钮的几个按钮，并且所有按钮都有“actionPerformed”方法，后面的逻辑非常相似。 在一个单独的方法中，我将这些按钮的初始化放在方向代码中。所有这些“特殊”按钮都有一些共同点：使用两个参数（String header []，String query）调用tableCreation方法。如何创建一个匹配这些按钮定义的切入点？AspectJ切入点从另一个特定的方法
databaseConnection.java：
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.ResultSetMetaData;
import java.util.ArrayList;
import java.util.List;
class databaseConnectionAs {
String query = null;
static Connection conn = null;
static Statement statement = null;
ResultSet resultSet = null;
String url = null;
String user = null;
String password = null;
List<List<String>> test_table = new ArrayList<List<String>>();
void execute_update (String query_arg) {
if(statement != null) {
try {
query = query_arg;
statement.executeUpdate(query);
} catch (SQLException e) {
System.out.println("Unable to execute update: " + e.getMessage());
}
}
}
void execute_query (String query_arg) {
if(statement != null) {
try {
query = query_arg;
resultSet = statement.executeQuery(query);
} catch (SQLException e) {
System.out.println("Unable to create statement: " + e.getMessage());
}
}
try {
if (!resultSet.isBeforeFirst()) {
System.out.println("resultSet empty - no data");
}
} catch (SQLException e) {
System.out.println("Error: " + e.getMessage());
}
int columnCount=0;
try {
test_table.clear();
ResultSetMetaData metadata = this.resultSet.getMetaData();
columnCount = metadata.getColumnCount();
} catch (SQLException e) {
System.out.println("Error: " + e.getMessage());
}
if (this.resultSet != null) {
try {
int i = 0; // row counter
while (this.resultSet.next()) {
this.test_table.add(new ArrayList<String>()); // creates new line
for (int j=1; j<columnCount+1; j++) { // counter for adding a new field in the row
this.test_table.get(i).add(this.resultSet.getString(j)); // adding a new field in the row
}
i++;
}
} catch (SQLException e) {
System.out.println("Unable to iterate over resultset: " + e.getMessage());
}
}
}
void print_results() {
for (int i=0; i<this.test_table.size(); i++) { // from zero to number of records (rows) in a table
for (int j=0; j<this.test_table.get(i).size(); j++) { // from zero to number of columns
System.out.print(this.test_table.get(i).get(j) + " ");
}
System.out.println("");
}
}
}
windowAs.java：
import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.JButton;
import javax.swing.table.DefaultTableModel;
import javax.swing.ButtonGroup;
import javax.swing.JScrollPane;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JRadioButton;
import javax.swing.JPanel;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class windowAs {
private JFrame first_frame;
private JTable first_table;
private JScrollPane first_scrollpane;
private MyButton btn_student_list;
private MyButton btn_subjects_list;
private MyButton btn_passed_by_students;
private MyButton btn_passed_by_subjects;
private JButton btn_insert;
private JTextField txt_id;
private JTextField txt_name;
private JTextField txt_surname;
private JTextField txt_year;
private JTextField txt_error;
// starting the app
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
windowAs window = new windowAs();
window.first_frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
// creating the app
public windowAs() {
initialize();
}
// initializaion of frame contents
private void initialize() {
first_frame = new JFrame();
first_frame.setBounds(100, 100, 800, 324);
first_frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
first_frame.getContentPane().setLayout(null);
first_frame.setLocationRelativeTo(null);
first_frame.setResizable(false);
// adding the STUDENT LIST button
btn_student_list = new MyButton("Students list");
btn_student_list.setFont(new Font("Tahoma", Font.PLAIN, 10));
btn_student_list.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String header[] = new String[] {"ID", "NAME", "SURNAME", "GENDER", "YEAR"};
String query = "SELECT studenti.student_id, studenti.student_ime, studenti.student_prezime, spol.spol_naziv, studenti.student_godina_studija FROM studenti JOIN spol ON studenti.student_spol=spol.spol_id ";
tableCreation(header, query);
}
});
btn_student_list.setBounds(10, 11, 150, 40);
first_frame.getContentPane().add(btn_student_list);
// end
// adding the SUBJECTS LIST button
btn_subjects_list = new MyButton("Subjects list");
btn_subjects_list.setFont(new Font("Tahoma", Font.PLAIN, 10));
btn_subjects_list.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String header[] = new String[] {"ID", "NAME", "YEAR"};
String query = "SELECT * FROM kolegiji";
tableCreation(header, query);
}
});
btn_subjects_list.setBounds(170, 11, 150, 40);
first_frame.getContentPane().add(btn_subjects_list);
// end
// adding the PASSED BY STUDENTS button
btn_passed_by_students = new MyButton("Passed by students");
btn_passed_by_students.setFont(new Font("Tahoma", Font.PLAIN, 10));
btn_passed_by_students.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String header[] = new String[] {"ID", "NAME", "SURNAME", "SUBJECT ID", "NAME", "MARK"};
String query = "SELECT studenti.student_id, studenti.student_ime, studenti.student_prezime, kolegiji.kolegij_id, kolegiji.kolegij_naziv, polozeni_kolegiji.ocjena FROM studenti JOIN polozeni_kolegiji ON studenti.student_id=polozeni_kolegiji.student_id JOIN kolegiji ON polozeni_kolegiji.kolegij_id=kolegiji.kolegij_id;";
tableCreation(header, query);
}
});
btn_passed_by_students.setBounds(10, 62, 150, 40);
first_frame.getContentPane().add(btn_passed_by_students);
// end
// adding the PASSED BY SUBJECT NAME button
btn_passed_by_subjects = new MyButton("Passed by subjects");
btn_passed_by_subjects.setFont(new Font("Tahoma", Font.PLAIN, 10));
btn_passed_by_subjects.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String header[] = new String[] {"JMBAG", "IME", "PREZIME", "ID KOLEGIJA", "NAZIV", "OCJENA"};
String query = "SELECT studenti.student_id, studenti.student_ime, studenti.student_prezime, kolegiji.kolegij_id, kolegiji.kolegij_naziv, polozeni_kolegiji.ocjena FROM studenti JOIN polozeni_kolegiji ON studenti.student_id=polozeni_kolegiji.student_id JOIN kolegiji ON polozeni_kolegiji.kolegij_id=kolegiji.kolegij_id ORDER BY kolegiji.kolegij_id;";
tableCreation(header, query);
}
});
btn_passed_by_subjects.setBounds(170, 62, 150, 40);
first_frame.getContentPane().add(btn_passed_by_subjects);
// end
first_scrollpane = new JScrollPane();
first_scrollpane.setBounds(330, 11, 454, 243);
first_frame.getContentPane().add(first_scrollpane);
first_table = new JTable();
DefaultTableModel model = new DefaultTableModel(0, 0);
String header[] = new String[] {"LIST HERE"};
model.setColumnIdentifiers(header);
first_table.setModel(model);
first_scrollpane.setViewportView(first_table);
ButtonGroup genders = new ButtonGroup();
JPanel panel = new JPanel();
panel.setBounds(10, 113, 310, 141);
first_frame.getContentPane().add(panel);
panel.setLayout(null);
btn_insert = new JButton("INSERT");
btn_insert.setFont(new Font("Tahoma", Font.PLAIN, 11));
btn_insert.setBounds(199, 92, 111, 39);
panel.add(btn_insert);
JLabel lbl_id = new JLabel("id");
lbl_id.setBounds(0, 17, 60, 14);
panel.add(lbl_id);
JLabel lbl_name = new JLabel("Name");
lbl_name.setBounds(0, 42, 60, 14);
panel.add(lbl_name);
JLabel lbl_surname = new JLabel("Surname");
lbl_surname.setBounds(0, 67, 60, 14);
panel.add(lbl_surname);
JLabel lbl_gender = new JLabel("Gender");
lbl_gender.setBounds(0, 92, 60, 14);
panel.add(lbl_gender);
JLabel lbl_year = new JLabel("Year");
lbl_year.setBounds(0, 117, 60, 14);
panel.add(lbl_year);
txt_id = new JTextField();
txt_id.setBounds(69, 11, 241, 20);
panel.add(txt_id);
txt_id.setColumns(10);
txt_name = new JTextField();
txt_name.setBounds(69, 36, 241, 20);
panel.add(txt_name);
txt_name.setColumns(10);
txt_surname = new JTextField();
txt_surname.setBounds(69, 61, 241, 20);
panel.add(txt_surname);
txt_surname.setColumns(10);
JRadioButton rdbtn_m = new JRadioButton("M");
rdbtn_m.setBounds(69, 88, 50, 23);
panel.add(rdbtn_m);
genders.add(rdbtn_m);
JRadioButton rdbtn_f = new JRadioButton("F");
rdbtn_f.setBounds(140, 88, 50, 23);
panel.add(rdbtn_f);
genders.add(rdbtn_f);
txt_year = new JTextField();
txt_year.setBounds(69, 111, 120, 20);
panel.add(txt_year);
txt_year.setColumns(10);
btn_insert.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
int id = Integer.parseInt(txt_id.getText());
String name = txt_name.getText();
String surname = txt_surname.getText();
int year = Integer.parseInt(txt_year.getText());
int gender = 0;
if (rdbtn_m.isSelected()) {
gender = 1;
}
else if (rdbtn_f.isSelected()) {
gender = 2;
}
databaseConnectionAs conn = new databaseConnectionAs();
String query = "INSERT INTO studenti VALUES ('" + id + "', '" + name + "', '" + surname + "', '" + gender + "', '" + year + "');";
conn.execute_update(query);
} catch (Exception er) {
txt_error.setVisible(true);
txt_error.setEditable(false);
txt_error.setText("Error: " + er.getMessage());
}
}
});
txt_error = new JTextField();
txt_error.setBounds(10, 265, 774, 23);
first_frame.getContentPane().add(txt_error);
txt_error.setColumns(10);
txt_error.setVisible(false);
}
public void tableCreation (String header[], String query) {
databaseConnectionAs conn = new databaseConnectionAs();
DefaultTableModel model = new DefaultTableModel(0, 0);
model.setColumnIdentifiers(header);
first_table.setModel(model);
conn.execute_query(query);
for (int i=0; i<conn.test_table.size(); i++) {
model.addRow(new Object[]{});
for (int j=0; j<conn.test_table.get(i).size(); j++) {
model.setValueAt(conn.test_table.get(i).get(j), i, j);
}
}
}
}
MyButton.java：
import javax.swing.JButton;
public class MyButton extends JButton {
private static final long serialVersionUID = 1L;
public MyButton(String string) {
setText(string);
}
}
databaseAspect.aj：
import java.sql.DriverManager;
import java.sql.SQLException;
public aspect databaseAspect {
pointcut myConnection() : execution(* execute_query(..)) || execution(* execute_update(..));
// advice to open the connection and statement creation before accessing the database
before() : myConnection() {
String url = "jdbc:mysql://localhost/testbaza";
String user = "testkorisnik";
String password = "testlozinka";
try {
databaseConnectionAs.conn = DriverManager.getConnection(url, user, password);
} catch (SQLException e) {
System.out.println("\nUnable to connect to database: " + e.getMessage());
}
if (databaseConnectionAs.conn != null) {
try {
databaseConnectionAs.statement = databaseConnectionAs.conn.createStatement();
} catch (SQLException e) {
System.out.println("Unable to create statement: " + e.getMessage());
}
}
}
// advice to close the connection after finishing the query
after() : myConnection() {
try {
databaseConnectionAs.conn.close();
} catch (SQLException e) {
System.out.println("\nError while disconnecting the database: " + e.getMessage());
}
}
pointcut click() : execution(* actionPerformed(..)) && within(MyButton..*);
after() : click() {
System.out.println("You did it!");
}
}
testbaza.sql：
-- phpMyAdmin SQL Dump
-- version 4.2.11
-- http://www.phpmyadmin.net
--
-- Host: 127.0.0.1
-- Generation Time: Jul 15, 2015 at 01:16 AM
-- Server version: 5.6.21
-- PHP Version: 5.6.3
SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";
/*!40101 SET @[email protected]@CHARACTER_SET_CLIENT */;
/*!40101 SET @[email protected]@CHARACTER_SET_RESULTS */;
/*!40101 SET @[email protected]@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
--
-- Database: `testbaza`
--
-- --------------------------------------------------------
--
-- Table structure for table `kolegiji`
--
CREATE TABLE IF NOT EXISTS `kolegiji` (
`kolegij_id` int(5) NOT NULL,
`kolegij_naziv` varchar(50) NOT NULL,
`kolegij_godina` int(1) NOT NULL
) ENGINE=InnoDB AUTO_INCREMENT=53 DEFAULT CHARSET=latin1;
--
-- Dumping data for table `kolegiji`
--
INSERT INTO `kolegiji` (`kolegij_id`, `kolegij_naziv`, `kolegij_godina`) VALUES
(1, 'Financijska Matematika', 1),
(2, 'Marketing', 1),
(3, 'Marketing', 1),
(4, 'Statistika', 1),
(5, 'Trgovacko Pravo', 1),
(6, 'Informaticko Pravo', 1),
(7, 'Ured I Uredsko Poslovanje', 1),
(8, 'Baze Podataka', 2),
(9, 'Informatika u Primjeni', 2),
(10, 'Kvantitativni Menadzment', 2),
(11, 'Matematicke Metode za Poslovne Analize', 2),
(12, 'Poslovni Informacijski Sustavi Drzvane Uprave', 2),
(13, 'Elektronicko Poslovanje', 2),
(14, 'Financije Malih i Srednjih Poduzeca', 1),
(15, 'IS Malih i Srednjih Poduzeca', 1),
(16, 'Kontroling i Politika Kvalitete', 2),
(17, 'Medunarodna Trgovina', 1),
(18, 'Transport Spedicija i Osiguranje', 1),
(19, 'Izgradnja Web Aplikacija', 3),
(20, 'Modeliranje Poslovnih Pravila', 3),
(21, 'Multimedijski Sustavi', 3),
(22, 'Napredno Programiranje', 3),
(23, 'Poslovno Planiranje', 3),
(24, 'Primjena Mreznih Servisa', 3),
(25, 'Programiranje', 3),
(26, 'Sigurnost Informacijskih Sustava', 3),
(27, 'Upravljanje Informatickim Uslugama', 3),
(28, 'Engleski 1', 1),
(29, 'Informatika 1', 1),
(30, 'Engleski 2', 2),
(31, 'Informatika 2', 2),
(32, 'Obrada Teksta i Slike', 1),
(33, 'Organizacija', 1),
(34, 'Osnove Ekonomije', 1),
(35, 'Poslovno Komuniciranje', 1),
(36, 'Statistika', 1),
(37, 'Matematika 1', 1),
(38, 'Racunovodstvo', 2),
(39, 'Teorija Sustava', 2),
(40, 'Marketing', 3),
(41, 'Ergonomija', 4),
(42, 'IS u Potpori Upravljanju i Odlucivanju', 4),
(43, 'Razvoj IS', 4),
(44, 'Ekonomika', 4),
(45, 'Dinamicke Web Aplikacije', 4),
(46, 'Management Kvalitete', 4),
(47, 'Softversko Inzenjerstvo', 4),
(48, 'Teorija Informacija', 4),
(49, 'ICT i Drustvo', 5),
(50, 'Informacijski Management', 5),
(51, 'Modeliranje i Simulacija', 5),
(52, 'Poduzetnistvo i Gospodarstvo', 5);
-- --------------------------------------------------------
--
-- Table structure for table `polozeni_kolegiji`
--
CREATE TABLE IF NOT EXISTS `polozeni_kolegiji` (
`student_id` bigint(10) NOT NULL,
`kolegij_id` int(5) NOT NULL,
`ocjena` int(1) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Dumping data for table `polozeni_kolegiji`
--
INSERT INTO `polozeni_kolegiji` (`student_id`, `kolegij_id`, `ocjena`) VALUES
(1394984532, 1, 3),
(1394984532, 2, 5),
(1394984532, 3, 2),
(1394984532, 4, 2),
(1394984532, 5, 5),
(1394984532, 6, 3),
(1394984532, 7, 3),
(1394984532, 14, 5),
(1394984532, 15, 4),
(1394984532, 17, 4),
(1394984532, 18, 2),
(1473419155, 1, 2),
(1473419155, 2, 4),
(1473419155, 3, 3),
(1473419155, 4, 4),
(1473419155, 5, 2),
(1473419155, 6, 3),
(1473419155, 7, 3),
(1473419155, 8, 4),
(1473419155, 9, 2),
(1473419155, 10, 3),
(1473419155, 11, 3),
(1473419155, 12, 5),
(1473419155, 13, 5),
(1473419155, 14, 3),
(1473419155, 15, 3),
(1473419155, 16, 4),
(1473419155, 17, 3),
(1473419155, 18, 5),
(1473419155, 19, 5),
(1473419155, 20, 2),
(1473419155, 21, 4),
(1473419155, 22, 2),
(1473419155, 23, 4),
(1473419155, 24, 3),
(1473419155, 25, 5),
(1473419155, 26, 5),
(1473419155, 27, 4),
(1473419155, 28, 3),
(1473419155, 29, 2),
(1473419155, 30, 2),
(1473419155, 31, 2),
(1473419155, 32, 2),
(1473419155, 33, 5),
(1473419155, 34, 3),
(1473419155, 35, 5),
(1473419155, 36, 5),
(1473419155, 37, 4),
(1473419155, 38, 4),
(1473419155, 39, 5),
(1473419155, 40, 2),
(1876743912, 1, 5),
(1876743912, 2, 4),
(1876743912, 3, 4),
(1876743912, 4, 4),
(1876743912, 5, 2),
(1876743912, 6, 5),
(1876743912, 7, 2),
(1876743912, 14, 4),
(1876743912, 15, 5),
(1876743912, 17, 5),
(1876743912, 18, 5),
(1876743912, 28, 5),
(1876743912, 29, 5),
(1876743912, 32, 5),
(1876743912, 33, 4),
(1876743912, 34, 5),
(1876743912, 35, 5),
(1876743912, 36, 4),
(1876743912, 37, 5),
(2131875260, 1, 5),
(2131875260, 2, 2),
(2131875260, 3, 3),
(2131875260, 4, 2),
(2131875260, 5, 4),
(2131875260, 6, 3),
(2131875260, 7, 4),
(2131875260, 14, 5),
(2131875260, 15, 4),
(2131875260, 17, 2),
(2131875260, 18, 5),
(2131875260, 28, 4),
(2131875260, 29, 4),
(2131875260, 32, 5),
(2131875260, 33, 4),
(2131875260, 34, 3),
(2131875260, 35, 3),
(2131875260, 36, 4),
(2131875260, 37, 3),
(2517879602, 1, 2),
(2517879602, 2, 3),
(2517879602, 3, 3),
(2517879602, 4, 3),
(2517879602, 5, 4),
(2517879602, 6, 2),
(2517879602, 7, 2),
(2517879602, 8, 2),
(2517879602, 9, 2),
(2517879602, 10, 2),
(2517879602, 11, 4),
(2517879602, 12, 5),
(2517879602, 13, 4),
(2517879602, 14, 3),
(2517879602, 15, 5),
(2517879602, 16, 5),
(2517879602, 17, 2),
(2517879602, 18, 4),
(2517879602, 28, 3),
(2517879602, 29, 2),
(2517879602, 30, 5),
(2517879602, 31, 5),
(2517879602, 32, 2),
(2517879602, 33, 4),
(2517879602, 34, 5),
(2517879602, 35, 4),
(2517879602, 36, 2),
(2517879602, 37, 3),
(2517879602, 38, 5),
(2517879602, 39, 2),
(2936048095, 1, 2),
(2936048095, 2, 5),
(2936048095, 3, 3),
(2936048095, 4, 5),
(2936048095, 5, 4),
(2936048095, 6, 4),
(2936048095, 7, 2),
(2936048095, 14, 5),
(2936048095, 15, 5),
(2936048095, 17, 3),
(2936048095, 18, 3),
(2936048095, 28, 5),
(2936048095, 29, 2),
(2936048095, 32, 5),
(2936048095, 33, 5),
(2936048095, 34, 3),
(2936048095, 35, 4),
(2936048095, 36, 5),
(2936048095, 37, 3),
(3736706852, 1, 5),
(3736706852, 2, 4),
(3736706852, 3, 2),
(3736706852, 4, 2),
(3736706852, 5, 4),
(3736706852, 6, 3),
(3736706852, 7, 4),
(3736706852, 8, 4),
(3736706852, 9, 5),
(3736706852, 10, 2),
(3736706852, 11, 2),
(3736706852, 12, 4),
(3736706852, 13, 2),
(3736706852, 14, 3),
(3736706852, 15, 4),
(3736706852, 16, 4),
(3736706852, 17, 3),
(3736706852, 18, 5),
(3736706852, 19, 2),
(3736706852, 20, 5),
(3736706852, 21, 3),
(3736706852, 22, 5),
(3736706852, 23, 4),
(3736706852, 24, 4),
(3736706852, 25, 3),
(3736706852, 26, 5),
(3736706852, 27, 5),
(3736706852, 28, 3),
(3736706852, 29, 2),
(3736706852, 30, 4),
(3736706852, 31, 3),
(3736706852, 32, 3),
(3736706852, 33, 4),
(3736706852, 34, 3),
(3736706852, 35, 5),
(3736706852, 36, 3),
(3736706852, 37, 3),
(3736706852, 38, 5),
(3736706852, 39, 2),
(3736706852, 40, 4),
-- --------------------------------------------------------
--
-- Table structure for table `spol`
--
CREATE TABLE IF NOT EXISTS `spol` (
`spol_id` int(1) DEFAULT NULL,
`spol_naziv` varchar(6) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Dumping data for table `spol`
--
INSERT INTO `spol` (`spol_id`, `spol_naziv`) VALUES
(1, 'musko'),
(2, 'zensko');
-- --------------------------------------------------------
--
-- Table structure for table `studenti`
--
CREATE TABLE IF NOT EXISTS `studenti` (
`student_id` bigint(10) unsigned NOT NULL,
`student_ime` varchar(25) NOT NULL,
`student_prezime` varchar(25) NOT NULL,
`student_spol` int(1) unsigned NOT NULL,
`student_godina_studija` int(1) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Dumping data for table `studenti`
--
INSERT INTO `studenti` (`student_id`, `student_ime`, `student_prezime`, `student_spol`, `student_godina_studija`) VALUES
(1394984532, 'Mario', 'Kos', 1, 2),
(1473419155, 'Alen', 'Katic', 1, 4),
(1876743912, 'Darija', 'Popovic', 2, 2),
(2131875260, 'Vlatka', 'Marusic', 2, 2),
(2517879602, 'Jelica', 'Miletic', 2, 3),
(2801676037, 'Milovan', 'Ceh', 1, 1),
(2936048095, 'Vladimir', 'Peric', 1, 2),
(3477826494, 'Aleksandra', 'Novosel', 2, 1),
(3736706852, 'Zeljka', 'Stanic', 2, 4),
-- --------------------------------------------------------
--
-- Table structure for table `testna_tablica`
--
CREATE TABLE IF NOT EXISTS `testna_tablica` (
`id` int(5) NOT NULL,
`ime` varchar(25) NOT NULL,
`prezime` varchar(25) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Dumping data for table `testna_tablica`
--
INSERT INTO `testna_tablica` (`id`, `ime`, `prezime`) VALUES
(1, 'Ivo', 'Ivic'),
(2, 'Ana', 'Anic'),
(3, 'Pero', 'Peric'),
(4, 'Marko', 'Markic');
-- --------------------------------------------------------
--
-- Table structure for table `test_upisivanja`
--
CREATE TABLE IF NOT EXISTS `test_upisivanja` (
`prvi` int(5) DEFAULT NULL,
`drugi` varchar(20) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Indexes for dumped tables
--
--
-- Indexes for table `kolegiji`
--
ALTER TABLE `kolegiji`
ADD PRIMARY KEY (`kolegij_id`);
--
-- Indexes for table `polozeni_kolegiji`
--
ALTER TABLE `polozeni_kolegiji`
ADD PRIMARY KEY (`student_id`,`kolegij_id`);
--
-- Indexes for table `studenti`
--
ALTER TABLE `studenti`
ADD PRIMARY KEY (`student_id`);
--
-- Indexes for table `testna_tablica`
--
ALTER TABLE `testna_tablica`
ADD PRIMARY KEY (`id`);
--
-- AUTO_INCREMENT for dumped tables
--
--
-- AUTO_INCREMENT for table `kolegiji`
--
ALTER TABLE `kolegiji`
MODIFY `kolegij_id` int(5) NOT NULL AUTO_INCREMENT,AUTO_INCREMENT=53;
/*!40101 SET [email protected]_CHARACTER_SET_CLIENT */;
/*!40101 SET [email protected]_CHARACTER_SET_RESULTS */;
/*!40101 SET [email protected]_COLLATION_CONNECTION */;
第一个问题我要问的是：为什么呢？这不是一个交叉问题，它是常用的功能，所以为什么要使用方面？每段代码的最后一部分都是常见的，所以把它放到一个方法中，并从各个'actionPerformed（）'中调用它。 – dhke
我完全不知道你实际上想要达到什么目的。你正在描述你的代码的结构，但不是你想要做的。帮助我理解你的问题，然后我可以帮助你解决你的问题。 – kriegaex
我正在尝试编写一个示例应用程序来显示与无方面完成相同的事情。 我正在寻找所有的方法doSTG（）与一个单一的方面，将自动被包括在单击按钮后，将所有调用。 正如安迪克莱门特建议的那样，我应该使用周围的建议，但我似乎无法使其工作。 – 0v3rl0rd