package control.view.product;import control.view.*;import javax.swing.*;import java.awt.event.*;import java.awt.*;import beans.Product;import control.dao.product.ProDAOImpl;public class AddProduct extends JDialog implements ActionListener{    private JButton jb_save=new JButton("保存");    private JButton jb_exit=new JButton("取消");        private JTextField tf_pName=new JTextField();    private JTextField tf_pType=new JTextField();    private  JTextField tf_pClassID=new JTextField();    private JTextField tf_pUnit=new JTextField();    private JTextField tf_pPrice=new JTextField();        private   JLabel la_pName=new JLabel("產品名稱：");    private  JLabel la_pType=new JLabel("產品類型：");    private JLabel la_pClassID=new JLabel("產品規格型號：");    private JLabel la_pUnit=new JLabel("產品單位：");    private JLabel la_pPrice=new JLabel("產品單價(必須數值)：");        public void actionPerformed(ActionEvent e){                if(e.getSource() instanceof JButton){            JButton b=(JButton)e.getSource();                       if(b == jb_save){                try{                    if(saveProduct(getProduct())){                        JOptionPane.showMessageDialog(this, new String("添加成功"));                        this.dispose();                        ((JFrame)this.getParent()).dispose();                        new ShowAllProducts("所有產品");                    }else{                        JOptionPane.showMessageDialog(this, new String("添加失敗,可能產品已經存在"));                    }                }catch(Exception ee){                    System.out.println(ee.getMessage());                    JOptionPane.showMessageDialog(this, new String("添加失敗,請確認輸入的數據正確"));                }            }else if(b == jb_exit){                if( (JOptionPane.showConfirmDialog(this, new String("是否真的退出?")))==                        JOptionPane.YES_OPTION) {                    this.dispose();                }            }        }    }        private Product getProduct() throws Exception{        Double pPrice=Double.parseDouble(tf_pPrice.getText());        if( pPrice.isNaN()){            JOptionPane.showMessageDialog(this, new String("請確認價格輸入是數字"));        }        return new Product(            tf_pName.getText(),            tf_pType.getText(),            tf_pClassID.getText(),            tf_pUnit.getText(),            Double.parseDouble(tf_pPrice.getText())        );    }    public AddProduct(JFrame fra,String title,boolean model){        super(fra,title,model);        setMid(500,400,this);        this.setResizable(false);                addComponent();        this.show(true);        this.pack();    }    private void addComponent(){                this.getContentPane().setLayout(null);                la_pName.setBounds(100,20,110,30);        la_pType.setBounds(100,70,110,30);        la_pClassID.setBounds(100,120,110,30);        la_pUnit.setBounds(100,170,110,30);        la_pPrice.setBounds(80,220,150,30);                tf_pName.setBounds(210,20,150,30);        tf_pType.setBounds(210,70,150,30);        tf_pClassID.setBounds(210,120,150,30);        tf_pUnit.setBounds(210,170,100,30);        tf_pPrice.setBounds(210,220,100,30);                jb_save.setBounds(100,270,100,35);        jb_exit.setBounds(220,270,100,35);                this.add(la_pName);        this.add(tf_pName);        this.add(la_pType);        this.add(tf_pType);        this.add(la_pClassID);                this.add(tf_pClassID);         this.add(la_pUnit);        this.add(tf_pUnit);        this.add(la_pPrice);        this.add(tf_pPrice);                jb_save.addActionListener(this);        jb_exit.addActionListener(this);        this.add(jb_save);        this.add(jb_exit);    }        private boolean saveProduct(Product pro){        ProDAOImpl pd=new ProDAOImpl();        int rows=pd.insert(pro);        if(rows==1) return true;        else return false;    }        public void setMid(int width,int height,java.awt.Window fra){        Dimension ds=Toolkit.getDefaultToolkit().getScreenSize();        int x=new Double( (ds.getWidth()-width)/2 ).intValue();        int y=new Double( (ds.getHeight()-height)/2 ).intValue();        fra.setBounds(x,y,width,height);    }}