#commit 2021_02_15_16_03

Author: paigeman

pom.xml

@@ -25,6 +25,12 @@
       <version>4.12</version>
       <scope>test</scope>
     </dependency>
+
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-context</artifactId>
+      <version>5.2.12.RELEASE</version>
+    </dependency>
   </dependencies>
 
   <build>

res/doc/pattern/cp/prototype/prototype.md

@@ -158,4 +158,132 @@ public class Client {
 
 ###### [代码](../../../../../src/main/java/org/fade/pattern/cp/prototype/improve)
 
+#### 在Spring中的源码分析
+
+###### [代码](../../../../../src/main/java/org/fade/pattern/cp/prototype/spring)
+
+```xml
+<?xml version="1.0" encoding="UTF-8" ?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+    <bean id="id01" class="org.fade.pattern.cp.prototype.spring.Monster" scope="prototype" />
+
+</beans>
+```
+
+```java
+public class Monster {
+
+    private Integer id = 10;
+
+    private String nickName = "牛魔王";
+
+    private String skill = "芭蕉扇";
+
+    public Monster(){
+
+    }
+
+    public Monster(Integer id, String nickName, String skill) {
+        this.id = id;
+        this.nickName = nickName;
+        this.skill = skill;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getNickName() {
+        return nickName;
+    }
+
+    public void setNickName(String nickName) {
+        this.nickName = nickName;
+    }
+
+    public String getSkill() {
+        return skill;
+    }
+
+    public void setSkill(String skill) {
+        this.skill = skill;
+    }
+
+    @Override
+    public String toString() {
+        return "Monster{" +
+                "id=" + id +
+                ", nickName='" + nickName + '\'' +
+                ", skill='" + skill + '\'' +
+                '}';
+    }
+
+}
+
+public class Prototype {
+
+    public static void main(String[] args) {
+        ApplicationContext applicationContext = new FileSystemXmlApplicationContext(System.getProperty("user.dir")
+                +"/src/main/java/org/fade/pattern/cp/prototype/spring/ApplicationContext.xml");
+        Object bean1 = applicationContext.getBean("id01");
+        System.out.println("bean1:"+bean1);
+        Object bean2 = applicationContext.getBean("id01");
+        System.out.println("bean2:"+bean2);
+        System.out.println(bean1==bean2);
+    }
+
+}
+```
+
+###### 运行结果
+
+```
+bean1:Monster{id=10, nickName='牛魔王', skill='芭蕉扇'}
+bean2:Monster{id=10, nickName='牛魔王', skill='芭蕉扇'}
+false
+```
+
+###### DEBUG调试
+
+1. ###### 单击图示处打上断点
+
+![#1](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-39-02.png)
+
+2. ###### 右键点击图示1处，选择图示2处选项“Debug 'Prototype.main()'”
+
+![#2](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-41-59.png)
+
+3. ###### 等调试系统上线后，点击图示处选项“Step Into”
+
+![#3](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-45-52.png)
+
+4. ###### 再点击图示处选项“Step Over”
+
+![#4](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-47-16.png)
+
+5. ###### 当代码运行至下图所示时，再次点击选项“Step Into”
+
+![#5](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-49-03.png)
+
+6. ###### 当出现如下图所示内容时，点击“getBean”
+
+![#6](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-51-26.png)
+
+7. ###### 当出现如下图所示内容时，点击选项“Step Into”
+
+![#7](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-54-33.png)
+
+
+8. ###### 滚动页面，当代码为下图所示的内容时，可以发现此处Spring中确实采用了原型模式
+
+![#8](../../../../img/pattern/cp/prototype/Snipaste_2021-02-15_15-56-21.png)
+
 

res/img/pattern/cp/prototype/Snipaste_2021-02-15_15-39-02.png

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+    <bean id="id01" class="org.fade.pattern.cp.prototype.spring.Monster" scope="prototype" />
+
+</beans>

res/img/pattern/cp/prototype/Snipaste_2021-02-15_15-41-59.png

@@ -0,0 +1,59 @@
+package org.fade.pattern.cp.prototype.spring;
+
+/**
+ * 原型模式
+ * 在spring框架中的源码分析
+ * @author fade
+ * */
+public class Monster {
+
+    private Integer id = 10;
+
+    private String nickName = "牛魔王";
+
+    private String skill = "芭蕉扇";
+
+    public Monster(){
+
+    }
+
+    public Monster(Integer id, String nickName, String skill) {
+        this.id = id;
+        this.nickName = nickName;
+        this.skill = skill;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getNickName() {
+        return nickName;
+    }
+
+    public void setNickName(String nickName) {
+        this.nickName = nickName;
+    }
+
+    public String getSkill() {
+        return skill;
+    }
+
+    public void setSkill(String skill) {
+        this.skill = skill;
+    }
+
+    @Override
+    public String toString() {
+        return "Monster{" +
+                "id=" + id +
+                ", nickName='" + nickName + '\'' +
+                ", skill='" + skill + '\'' +
+                '}';
+    }
+
+}

res/img/pattern/cp/prototype/Snipaste_2021-02-15_15-45-52.png

@@ -0,0 +1,23 @@
+package org.fade.pattern.cp.prototype.spring;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.FileSystemXmlApplicationContext;
+
+/**
+ * 原型模式
+ * 在spring框架中的源码分析
+ * @author fade
+ * */
+public class Prototype {
+
+    public static void main(String[] args) {
+        ApplicationContext applicationContext = new FileSystemXmlApplicationContext(System.getProperty("user.dir")
+                +"/src/main/java/org/fade/pattern/cp/prototype/spring/ApplicationContext.xml");
+        Object bean1 = applicationContext.getBean("id01");
+        System.out.println("bean1:"+bean1);
+        Object bean2 = applicationContext.getBean("id01");
+        System.out.println("bean2:"+bean2);
+        System.out.println(bean1==bean2);
+    }
+
+}