生成器模式

anxpp · anxpp · commit a7e66db4a052 · 2016-04-22T20:14:18.000+08:00
diff --git a/src/com/anxpp/designpattern/builder/DateBuilder1.java b/src/com/anxpp/designpattern/builder/DateBuilder1.java
@@ -0,0 +1,17 @@
+package com.anxpp.designpattern.builder;
+//&#20855;&#20307;&#29983;&#25104;&#22120;
+public class DateBuilder1 implements IDateBuilder{
+	private MyDate myDate;
+	public DateBuilder1(MyDate myDate){
+		this.myDate = myDate;
+	}
+	@Override
+	public IDateBuilder buildDate(int y, int m, int d) {
+		myDate.date = y+"-"+m+"-"+d;
+		return this;
+	}
+	@Override
+	public String date() {
+		return myDate.date;
+	}
+}
diff --git a/src/com/anxpp/designpattern/builder/DateBuilder2.java b/src/com/anxpp/designpattern/builder/DateBuilder2.java
@@ -0,0 +1,17 @@
+package com.anxpp.designpattern.builder;
+//&#20855;&#20307;&#29983;&#25104;&#22120;
+public class DateBuilder2 implements IDateBuilder{
+	private MyDate myDate;
+	public DateBuilder2(MyDate myDate){
+		this.myDate = myDate;
+	}
+	@Override
+	public IDateBuilder buildDate(int y, int m, int d) {
+		myDate.date = y+" "+m+" "+d;
+		return this;
+	}
+	@Override
+	public String date() {
+		return myDate.date;
+	}
+}
diff --git a/src/com/anxpp/designpattern/builder/Derector.java b/src/com/anxpp/designpattern/builder/Derector.java
@@ -0,0 +1,12 @@
+package com.anxpp.designpattern.builder;
+//&#25351;&#25381;&#32773;
+public class Derector {
+	private IDateBuilder builder;
+	public Derector(IDateBuilder builder){
+		this.builder = builder;
+	}
+	public String getDate(int y,int m,int d){
+		builder.buildDate(y, m, d);
+		return builder.date();
+	}
+}
diff --git a/src/com/anxpp/designpattern/builder/IDateBuilder.java b/src/com/anxpp/designpattern/builder/IDateBuilder.java
@@ -0,0 +1,6 @@
+package com.anxpp.designpattern.builder;
+//&#25277;&#35937;&#29983;&#25104;&#22120;
+public interface IDateBuilder {
+	IDateBuilder buildDate(int y,int m,int d);
+	String date();
+}
diff --git a/src/com/anxpp/designpattern/builder/MyDate.java b/src/com/anxpp/designpattern/builder/MyDate.java
@@ -0,0 +1,5 @@
+package com.anxpp.designpattern.builder;
+//&#20135;&#21697;
+public class MyDate {
+	String date;
+}
diff --git a/src/com/anxpp/designpattern/builder/TestUse.java b/src/com/anxpp/designpattern/builder/TestUse.java
@@ -0,0 +1,11 @@
+package com.anxpp.designpattern.builder;
+public class TestUse {
+	public static void main(String args[]){
+		MyDate date = new MyDate();
+		IDateBuilder builder;
+		builder = new DateBuilder1(date).buildDate(2066, 3, 5);
+		System.out.println(builder.date());
+		builder = new DateBuilder2(date).buildDate(2066, 3, 5);
+		System.out.println(builder.date());
+	}
+}
diff --git a/src/com/anxpp/designpattern/builder/package-info.java b/src/com/anxpp/designpattern/builder/package-info.java
@@ -0,0 +1,5 @@
+/**
+ * @author Administrator
+ * &#29983;&#25104;&#22120;&#27169;&#24335;
+ */
+package com.anxpp.designpattern.builder;

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +package com.anxpp.designpattern.builder;
 +//产品
 +public class MyDate {
 +	String date;
 +}