Java基于外观模式实现美食天下食谱功能实例详解

package com.demo.common;
/**
 * 糖醋排骨接口
 *
 * @author
 *
 */
public interface ISpareribs {
  // 准备材料
  public void prepair();
  // 腌制排骨
  public void preserve();
  // 炸排骨
  public void fry();
  // 调汁
  public void juice();
}

package com.demo.common;
/**
 *
 * 糖醋排骨实现类
 *
 * @author
 *
 */
public class Spareribs implements ISpareribs {
  // 准备材料
  @Override
  public void prepair() {
    System.out.println("1.准备猪排骨500克，葱末、姜末、酱油、花生油、白糖、醋、料酒、盐各适量...");
  }
  // 腌制排骨
  @Override
  public void preserve() {
    System.out.println("2.将排骨洗净剁成3厘米长段，用开水汆一下，捞出放盆内，加入盐、酱油腌入味...");
  }
  // 炸排骨
  @Override
  public void fry() {
    System.out.println("3.炒锅注油烧至六成热，下排骨炸至淡黄色捞出；油温加热至八成，再下锅炸至金黄色捞出...");
  }
  // 调汁
  @Override
  public void juice() {
    System.out
        .println("4.炒锅留少许油烧热，下入葱花，姜末爆香，加入适量清水、酱油、醋、白糖、料酒、倒入排骨，烧开后用慢火煨至汤汁浓，排骨熟，淋上熟油，出锅即可!");
  }
}

package com.demo.facade;
/**
 * 外觀模式制作糖醋排骨
 *
 * @author
 *
 */
public interface ICookFacade {
  // 做糖醋排骨
  public void cookSpareribs();
}

package com.demo.facade;
import com.demo.common.ISpareribs;
import com.demo.common.Spareribs;
/**
 * 外觀模式制作糖醋排骨
 *
 * @author
 *
 */
public class CookFacade implements ICookFacade {
  // 糖醋排骨排骨接口
  private final ISpareribs spareribs = new Spareribs();
  // 做糖醋排骨
  public void cookSpareribs() {
    // 准备材料
    this.spareribs.prepair();
    // 腌制排骨
    this.spareribs.preserve();
    // 炸排骨
    this.spareribs.fry();
    // 调汁
    this.spareribs.juice();
  }
}

package com.demo;
import com.demo.facade.CookFacade;
import com.demo.facade.ICookFacade;
/**
 * 客户端应用程序
 *
 * @author
 *
 */
public class Client {
  public static void main(String[] args) {
    // 开始做糖醋排骨了！
    System.out.println("==== 开始做糖醋排骨...");
    // // 创建糖醋排骨对象实例
    // ISpareribs spareribs = new Spareribs();
    // // 准备材料
    // spareribs.prepair();
    // // 腌制排骨
    // spareribs.preserve();
    // // 炸排骨
    // spareribs.fry();
    // // 调汁
    // spareribs.juice();
    ICookFacade cookFacade = new CookFacade();
    cookFacade.cookSpareribs();
    System.out.println("==== 糖醋排骨制作完成！");
  }
}