Java-2 – YO2015 – Hafta – 6
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import java.awt.event.*; import javax.swing.*; import java.awt.*; import java.sql.*; public class ornek1 implements ActionListener { JList[] jls; DefaultListModel<String>[] dlm_str; // ad ve tip DefaultListModel<Integer>[] dlm_int;// sayilar(gunduz, tutar,..) JTextField jtf_ad,jtf_gunduz,jtf_puant,jtf_gece; JComboBox<String> jcb; DefaultListModel<Integer> cid,mid; // cid:combodan secilen tip bilgisine ait id (idfiyat) // mid: silmek icin musteri id (idmusteri) public ornek1() { dlm_str=new DefaultListModel[2]; dlm_int=new DefaultListModel[5]; jls = new JList[7]; JFrame jfrm = new JFrame("Elekrik sayac tarifesi"); jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jfrm.setLayout(new GridLayout(1,7)); jfrm.setSize(750,250); JPanel jpn = new JPanel(); JLabel jlab = new JLabel("Müşteri Adı"); dlm_str[0]= new DefaultListModel<String>(); // musteri isimleri jls[0]= new JList<String>(dlm_str[0]); JScrollPane jsp = new JScrollPane(jls[0]); jsp.setPreferredSize(new Dimension(80,150)); jtf_ad= new JTextField(); jtf_ad.setPreferredSize(new Dimension(80,20)); JButton jbtn = new JButton("Ekle"); jbtn.addActionListener(this); jbtn.setActionCommand("ekle"); jpn.add(jlab); jpn.add(jsp); jpn.add(jtf_ad); jpn.add(jbtn); jfrm.add(jpn); jpn = new JPanel(); jlab = new JLabel("Tarife"); dlm_str[1]= new DefaultListModel<String>(); jls[1]= new JList<String>(dlm_str[1]); jsp = new JScrollPane(jls[1]); jsp.setPreferredSize(new Dimension(80,150)); jcb= new JComboBox<String>(); jcb.setPreferredSize(new Dimension(100,20)); jbtn = new JButton("Sil"); jbtn.addActionListener(this); jbtn.setActionCommand("sil"); jpn.add(jlab); jpn.add(jsp); jpn.add(jcb); jpn.add(jbtn); jfrm.add(jpn); jpn = new JPanel(); jlab = new JLabel("Gündüz"); dlm_int[0]= new DefaultListModel<Integer>(); jls[2]= new JList<Integer>(dlm_int[0]); jsp = new JScrollPane(jls[2]); jsp.setPreferredSize(new Dimension(80,150)); jtf_gunduz= new JTextField(); jtf_gunduz.setPreferredSize(new Dimension(80,20)); jbtn = new JButton("Güncelle"); jbtn.addActionListener(this); jbtn.setActionCommand("guncelle"); jpn.add(jlab); jpn.add(jsp); jpn.add(jtf_gunduz); jpn.add(jbtn); jfrm.add(jpn); jpn = new JPanel(); jlab = new JLabel("Puant"); dlm_int[1]= new DefaultListModel<Integer>(); jls[3]= new JList<Integer>(dlm_int[1]); jsp = new JScrollPane(jls[3]); jsp.setPreferredSize(new Dimension(80,150)); jtf_puant= new JTextField(); jtf_puant.setPreferredSize(new Dimension(80,20)); jpn.add(jlab); jpn.add(jsp); jpn.add(jtf_puant); jfrm.add(jpn); jpn = new JPanel(); jlab = new JLabel("Gece"); dlm_int[2]= new DefaultListModel<Integer>(); jls[4]= new JList<Integer>(dlm_int[2]); jsp = new JScrollPane(jls[4]); jsp.setPreferredSize(new Dimension(80,150)); jtf_gece= new JTextField(); jtf_gece.setPreferredSize(new Dimension(80,20)); jpn.add(jlab); jpn.add(jsp); jpn.add(jtf_gece); jfrm.add(jpn); jpn = new JPanel(); jlab = new JLabel("Tek Zamanlı"); dlm_int[3]= new DefaultListModel<Integer>(); jls[5]= new JList<Integer>(dlm_int[3]); jsp = new JScrollPane(jls[5]); jsp.setPreferredSize(new Dimension(80,150)); jpn.add(jlab); jpn.add(jsp); jfrm.add(jpn); jpn = new JPanel(); jlab = new JLabel("Üç Zamanlı"); dlm_int[4]= new DefaultListModel<Integer>(); jls[6]= new JList<Integer>(dlm_int[4]); jsp = new JScrollPane(jls[6]); jsp.setPreferredSize(new Dimension(80,150)); jpn.add(jlab); jpn.add(jsp); jfrm.add(jpn); verigetir(); jfrm.setVisible(true); } private void verigetir() { Connection conn = baglan(); try{ //temizlik for(int i=0;i<dlm_str.length;i++) dlm_str[i].removeAllElements(); for(int i=0;i<dlm_int.length;i++) dlm_int[i].removeAllElements(); String sql_combo="select idfiyat,tip from fiyat;"; Statement st = conn.createStatement(); ResultSet rs =st.executeQuery(sql_combo); cid= new DefaultListModel<Integer>(); jcb.removeAllItems(); // listeyi temizle jcb.addItem("Seçiniz"); while(rs.next()) { cid.addElement(rs.getInt("idfiyat")); // ekleme kisminda kullanilacak jcb.addItem(rs.getString("tip")); } String sql_list="select idmusteri,adi,hgunduz,hpuant,hgece,tip," + "(hgunduz+hpuant+hgece)*tekzamanli/100 as tutar1," + "(hgunduz*gunduz+hpuant*puant+hgece*gece)/100 as tutar2" + " from musteri inner join fiyat on tipid=idfiyat;"; mid= new DefaultListModel<Integer>(); // silmek icin kullanilacak rs =st.executeQuery(sql_list); while(rs.next()) { int tutar1=rs.getInt("tutar1"); int tutar2=rs.getInt("tutar2"); mid.addElement(rs.getInt("idmusteri")); dlm_str[0].addElement(rs.getString("adi")); dlm_str[1].addElement(rs.getString("tip")); dlm_int[0].addElement(rs.getInt("hgunduz")); dlm_int[1].addElement(rs.getInt("hpuant")); dlm_int[2].addElement(rs.getInt("hgece")); dlm_int[3].addElement(tutar1); dlm_int[4].addElement(tutar2); } }catch(Exception ex) { } try{ conn.close(); } catch(Exception ex) { } } public Connection baglan() { Connection conn=null; try{ Class.forName("org.sqlite.JDBC"); conn=DriverManager.getConnection("jdbc:sqlite:ornek1.db"); } catch(Exception ex) { JOptionPane.showMessageDialog(null,"Bağlantı Yapılamadı!","Hata",0); } return conn; } @Override public void actionPerformed(ActionEvent ae) { Connection conn = baglan(); if(ae.getActionCommand().equals("ekle")) { try{ int gunduz =Integer.parseInt(jtf_gunduz.getText()); int puant =Integer.parseInt(jtf_puant.getText()); int gece =Integer.parseInt(jtf_gece.getText()); if(jtf_ad.getText().length()>0 && jcb.getSelectedIndex()>0) { String sql= "insert into musteri(adi,tipid,hgunduz,hpuant,hgece)" + " values(?,?,?,?,?);"; int tipid=cid.get(jcb.getSelectedIndex()-1); PreparedStatement ps = conn.prepareStatement(sql); ps.setString(1, jtf_ad.getText()); ps.setInt(2, tipid); ps.setInt(3, gunduz); ps.setInt(4, puant); ps.setInt(5, gece); ps.executeUpdate(); jtf_ad.setText(""); jtf_gunduz.setText(""); jtf_puant.setText(""); jtf_gece.setText(""); } }catch(Exception ex) { } } if(ae.getActionCommand().equals("sil")) { try{ String sql ="delete from musteri where idmusteri=?"; int secilen=jls[0].getSelectedIndex(); if(secilen>-1) { int silinecek_id=mid.get(secilen); // silinecek musterinin id PreparedStatement ps = conn.prepareStatement(sql); ps.setInt(1, silinecek_id); ps.executeUpdate(); } }catch(Exception ex) { } } if(ae.getActionCommand().equals("guncelle")) { try { int gunduz =Integer.parseInt(jtf_gunduz.getText()); int puant =Integer.parseInt(jtf_puant.getText()); int gece =Integer.parseInt(jtf_gece.getText()); int listeden_sec=jls[0].getSelectedIndex(); if(listeden_sec>-1 && jtf_ad.getText().length()>0 && jcb.getSelectedIndex()>0) { String sql ="update musteri set adi=?,tipid=?" + ",hgunduz=?,hpuant=?,hgece=? where idmusteri=?;"; int tipid=cid.get(jcb.getSelectedIndex()-1); int musteri_id=mid.get(listeden_sec); PreparedStatement ps = conn.prepareStatement(sql); ps.setString(1, jtf_ad.getText()); ps.setInt(2, tipid); ps.setInt(3, gunduz); ps.setInt(4, puant); ps.setInt(5, gece); ps.setInt(6, musteri_id); ps.executeUpdate(); jtf_ad.setText(""); jtf_gunduz.setText(""); jtf_puant.setText(""); jtf_gece.setText(""); } }catch(Exception ex) { } } verigetir(); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub new ornek1(); } } |
JAVA-2 YO2015 6. Hafta Uygulamaları
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