生成器模式

[color=red]【生成器模式】将一个复杂对象的构建与它的表示分离,使同样的构建过程可以创建不同的表示。[/color]

package com.demo.builder;

import javax.swing.JPanel;

//指挥者指挥创建各个组件
public class Director {

private Builder builder;
Director(Builder builder){
this.builder=builder;
}
public JPanel constructProduct(){
builder.buildButton();
builder.buildLabel();
builder.buildTextField();
JPanel product=builder.getPanel();
return product;
}
}

package com.demo.builder;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

//具体生成器
public class ConcreteBuilderOne implements Builder {

//需要创建的容器
private PanelProduct panel;
ConcreteBuilderOne(){
panel=new PanelProduct();
}

@Override
public void buildButton() {
// TODO Auto-generated method stub
panel.button=new JButton("按钮");
}

@Override
public void buildLabel() {
// TODO Auto-generated method stub
panel.label=new JLabel("标签");
}

@Override
public void buildTextField() {
// TODO Auto-generated method stub
panel.textField=new JTextField("文本框");
}

@Override
public JPanel getPanel() {
//添加组件的顺序不同
panel.add(panel.button);
panel.add(panel.label);
panel.add(panel.textField);
return panel;
}
}

package com.demo.builder;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Application {

public static void main(String[] args) {
// TODO Auto-generated method stub
Builder builder=new ConcreteBuilderOne();
Director director=new Director(builder);
JPanel panel=director.constructProduct();
JFrame frameOne=new JFrame();
frameOne.add(panel);
frameOne.setBounds(12,12,200,120);
frameOne.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frameOne.setVisible(true);

builder=new ConcreteBuilderTwo();
director=new Director(builder);
panel=director.constructProduct();
JFrame frameTwo=new JFrame();
frameTwo.add(panel);
frameTwo.setBounds(212,12,200,120);
frameTwo.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frameTwo.setVisible(true);
}
}

[img]http://dl.iteye.com/upload/picture/pic/120426/acc2b058-07d4-3848-ac31-c603c6ca90f8.png[/img]
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值