addproduct.java

利用java swing实现简单的单机版仓库管理

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("产品名称：");
    private  JLabel la_pType=new JLabel("产品类型：");
    private JLabel la_pClassID=new JLabel("产品规格型号：");
    private JLabel la_pUnit=new JLabel("产品单位：");
    private JLabel la_pPrice=new JLabel("产品单价(必须数值)：");
    

    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("所有产品");
                    }else{
                        JOptionPane.showMessageDialog(this, new String("添加失败,可能产品已经存在"));
                    }
                }catch(Exception ee){
                    System.out.println(ee.getMessage());
                    JOptionPane.showMessageDialog(this, new String("添加失败,请确认输入的数据正确"));
                }
            }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("请确认价格输入是数字"));
        }
        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);
    }
}