建造者模式

Folgerjun · web-flow · commit 1531bc02b7cc · 2018-03-12T10:34:06.000+08:00
建造者模式
diff --git a/java-des/src/com/java/design/build/BuilderPattern.java b/java-des/src/com/java/design/build/BuilderPattern.java
@@ -0,0 +1,20 @@
+package com.java.design.build;
+
+/**
+ * 建造者模式 -----> 是将一个复杂的对象的构建与它的表示分离，使得同样的构建过程可以创建不同的表示
+ * 
+ * 如：去肯德基，汉堡、可乐、薯条、炸鸡翅等是不变的，而其组合是经常变化的，生成出所谓的"套餐"
+ * 
+ * @author Administrator
+ *
+ */
+public class BuilderPattern {
+
+	public static void main(String[] args) {
+
+		PersonDirector personDirector = new PersonDirector();
+		Person person = personDirector.construtorPerson(new ManBuilder());
+		System.out.println(person);
+	}
+
+}
diff --git a/java-des/src/com/java/design/build/Man.java b/java-des/src/com/java/design/build/Man.java
@@ -0,0 +1,5 @@
+package com.java.design.build;
+
+public class Man extends Person {
+
+}
diff --git a/java-des/src/com/java/design/build/ManBuilder.java b/java-des/src/com/java/design/build/ManBuilder.java
@@ -0,0 +1,34 @@
+package com.java.design.build;
+
+public class ManBuilder implements PersonBuilder {
+
+	Person person;
+
+	public ManBuilder() {
+
+		person = new Man();
+	}
+
+	@Override
+	public void buildBody() {
+
+		person.setBody("建造身体...");
+	}
+
+	@Override
+	public void buildFoot() {
+
+		person.setFoot("建造脚...");
+	}
+
+	@Override
+	public void buildHead() {
+
+		person.setHead("建造头...");
+	}
+
+	@Override
+	public Person buildPerson() {
+		return person;
+	}
+}
diff --git a/java-des/src/com/java/design/build/Person.java b/java-des/src/com/java/design/build/Person.java
@@ -0,0 +1,38 @@
+package com.java.design.build;
+
+public class Person {
+
+	private String head;
+	private String body;
+	private String foot;
+
+	public String getHead() {
+		return head;
+	}
+
+	public void setHead(String head) {
+		this.head = head;
+	}
+
+	public String getBody() {
+		return body;
+	}
+
+	public void setBody(String body) {
+		this.body = body;
+	}
+
+	public String getFoot() {
+		return foot;
+	}
+
+	public void setFoot(String foot) {
+		this.foot = foot;
+	}
+
+	@Override
+	public String toString() {
+		return "Person [head=" + head + ", body=" + body + ", foot=" + foot + "]";
+	}
+
+}
diff --git a/java-des/src/com/java/design/build/PersonBuilder.java b/java-des/src/com/java/design/build/PersonBuilder.java
@@ -0,0 +1,12 @@
+package com.java.design.build;
+
+public interface PersonBuilder {
+
+	void buildHead();
+
+	void buildBody();
+
+	void buildFoot();
+
+	Person buildPerson();
+}
diff --git a/java-des/src/com/java/design/build/PersonDirector.java b/java-des/src/com/java/design/build/PersonDirector.java
@@ -0,0 +1,14 @@
+package com.java.design.build;
+
+public class PersonDirector {
+
+	public Person construtorPerson(PersonBuilder pb) {
+
+		pb.buildHead();
+		pb.buildBody();
+		pb.buildFoot();
+
+		return pb.buildPerson();
+
+	}
+}

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +package com.java.design.build;
++
 +public class Man extends Person {
++
 +}