findshow.java

利用java swing实现简单的单机版仓库管理

package control.view.product;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

import beans.Product;

public class FindShow extends JDialog implements ActionListener{
    private JButton jb_find=new JButton("查找");
    private JButton jb_exit=new JButton("取消");
    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("产品规格类型：");
    private JLabel la_pUnit=new JLabel("产品单位：");
    private JLabel la_pPrice=new JLabel("产品单价(必须数值)：");
    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();
    
    public static Product pro;

    public void actionPerformed(ActionEvent e){
        
        if(e.getSource() instanceof JButton){
            JButton b=(JButton)e.getSource();
            
            if(b == jb_find){
                try{
                    this.pro=this.getProduct();
                    this.dispose();
                    ((JFrame)this.getParent()).dispose();
                    new FindProducts("查询产品结果");
                }catch(Exception ep){
                    System.out.println(ep.getMessage());
                }
            }else if(b == jb_exit){
                if( (JOptionPane.showConfirmDialog(this, new String("是否真的退出?")))==
                        JOptionPane.YES_OPTION) {
                    this.dispose();
                }
            }
        }
    }
    
    public FindShow(JFrame fra,String title,boolean model){
        super(fra,title,model);
        setMid(500, 400, this);
        this.setResizable(false);
        addComponent();
        this.show(true);
    }
    public void addComponent(){
        this.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_find.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_find.addActionListener(this);
        jb_exit.addActionListener(this);

        this.add(jb_find);
        this.add(jb_exit);

    }

    private Product getProduct() throws Exception{
        String pName="",pType="",pClassID="",pUnit="";
        Double pPrice=0.0;
        if(!tf_pPrice.getText().equals("")){
            pPrice=Double.parseDouble(tf_pPrice.getText());
        }
        if(!tf_pName.getText().equals("")){
            pName=tf_pName.getText();
        }
        if(!tf_pType.getText().equals("")){
            pType=tf_pType.getText();
        }
        if(!tf_pClassID.getText().equals("")){
            pClassID=tf_pClassID.getText();
        }
        if(!tf_pUnit.getText().equals("")){
            pUnit=tf_pName.getText();
        }

        return new Product(
            pName,
            pType,
            pClassID,
            pUnit,
            pPrice
          );
    }
    
    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);
    }
}