fix:FactoryBean使用

pom.xml

@@ -46,6 +46,16 @@
             <version>4.12</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.21</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>1.2.3</version>
+        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file

src/main/java/com/kwan/spring5/Orders.java

@@ -18,6 +18,13 @@ public class Orders {
      */
     private String address;
 
+    /**
+     * 无参数构造
+     */
+    public Orders() {
+        System.out.println("第一步 执行无参数构造创建 bean 实例");
+    }
+
     /**
      * 有参数构造
      *
@@ -29,6 +36,24 @@ public class Orders {
         this.address = address;
     }
 
+    public void setOname(String oname) {
+        this.oname = oname;
+        System.out.println("第二步 调用 set 方法设置属性值");
+    }
+
+    /**
+     * 创建执行的初始化的方法
+     */
+    public void initMethod() {
+        System.out.println("第三步 执行初始化的方法");
+    }
+
+    /**
+     * 创建执行的销毁的方法
+     */
+    public void destroyMethod() {
+        System.out.println("第五步 执行销毁的方法");
+    }
 
     @Override
     public String toString() {

src/main/java/com/kwan/spring5/process/MyBeanPost.java

+package com.kwan.spring5.process;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+
+/**
+ * 创建后置处理器实现类
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/14 21:31
+ */
+public class MyBeanPost implements BeanPostProcessor {
+
+    @Override
+    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
+        System.out.println("在初始化之前执行的方法");
+        return bean;
+    }
+
+    @Override
+    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
+        System.out.println("在初始化之后执行的方法");
+        return bean;
+    }
+}
+

src/main/resources/jdbc.properties

+prop.driverClass=com.mysql.jdbc.Driver
+prop.url=jdbc:mysql://localhost:3306/kwan
+prop.userName=root
+prop.password=root
\ No newline at end of file

src/main/resources/spring12.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"
+       xmlns:util="http://www.springframework.org/schema/util"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       https://www.springframework.org/schema/beans/spring-beans.xsd
+       http://www.springframework.org/schema/util
+       https://www.springframework.org/schema/util/spring-util.xsd
+        http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+    <context:annotation-config/>
+    <util:list id="bookList">
+        <value>易筋经</value>
+        <value>九阴真经</value>
+        <value>九阳神功</value>
+    </util:list>
+
+
+    <!--    bean的作用域-->
+    <!--    <bean id="book" class="com.kwan.spring5.Book" scope="prototype">-->
+    <bean id="book" class="com.kwan.spring5.Book" scope="singleton">
+        <property name="list" ref="bookList"></property>
+    </bean>
+</beans>
\ No newline at end of file

src/main/resources/spring13.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"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       https://www.springframework.org/schema/beans/spring-beans.xsd
+        http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+    <context:annotation-config/>
+
+
+    <!--配置文件的bean参数配置-->
+    <bean id="orders" class="com.kwan.spring5.Orders" init-method="initMethod"
+          destroy-method="destroyMethod">    <!--配置初始化方法和销毁方法-->
+        <property name="oname" value="手机"></property><!--这里就是通过set方式（注入属性）赋值-->
+    </bean>
+
+    <!--配置后置处理器-->
+    <bean id="myBeanPost" class="com.kwan.spring5.process.MyBeanPost"></bean>
+
+</beans>
\ No newline at end of file

src/main/resources/spring14.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"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       https://www.springframework.org/schema/beans/spring-beans.xsd
+        http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+    <context:annotation-config/>
+    <!--直接配置连接池-->
+    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
+        <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
+        <property name="url" value="jdbc:mysql://localhost:3306/kwan"></property>
+        <property name="username" value="root"></property>
+        <property name="password" value="root"></property>
+    </bean>
+
+</beans>
\ No newline at end of file

src/main/resources/spring15.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"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       https://www.springframework.org/schema/beans/spring-beans.xsd
+        http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+
+
+    <context:annotation-config/>
+
+    <!--引入外部属性文件-->
+    <context:property-placeholder location="classpath:jdbc.properties"/>
+
+    <!--配置连接池-->
+    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
+        <property name="driverClassName" value="${prop.driverClass}"></property>
+        <property name="url" value="${prop.url}"></property>
+        <property name="username" value="${prop.userName}"></property>
+        <property name="password" value="${prop.password}"></property>
+    </bean>
+</beans>
\ No newline at end of file

src/test/java/Spring_02_UserTest.java → src/test/java/Spring_00_XmlGetTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 读取spring配置文件
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_02_UserTest {
+public class Spring_00_XmlGetTest {
 
     @Test
     public void test1() {

src/test/java/Spring_04_BookTest_01.java → src/test/java/Spring_01_BookTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 测试ioc注入bean
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_04_BookTest_01 {
+public class Spring_01_BookTest {
 
     @Test
     public void test1() {

src/test/java/Spring_03_OrdersTest.java → src/test/java/Spring_01_OrdersTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 测试ioc注入bean
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_03_OrdersTest {
+public class Spring_01_OrdersTest {
 
     @Test
     public void test1() {

src/test/java/Spring_01_XmlGetTest.java → src/test/java/Spring_01_UserTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 测试ioc注入bean
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_01_XmlGetTest {
+public class Spring_01_UserTest {
 
     @Test
     public void test1() {

src/test/java/Spring_04_BookTest_02.java → src/test/java/Spring_02_BookTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * p-命名空间
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_04_BookTest_02 {
+public class Spring_02_BookTest {
 
     @Test
     public void test1() {

src/test/java/Spring_04_BookTest_03.java → src/test/java/Spring_03_BookTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * null和特殊符号
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_04_BookTest_03 {
+public class Spring_03_BookTest {
 
     @Test
     public void test1() {

src/test/java/Spring_05_UserServiceTest.java → src/test/java/Spring_04_UserServiceTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * service和dao对象创建
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_05_UserServiceTest {
+public class Spring_04_UserServiceTest {
 
     @Test
     public void test2() {

src/test/java/Spring_06_DeptTest_01.java → src/test/java/Spring_05_DeptTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 内部bean
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_06_DeptTest_01 {
+public class Spring_05_DeptTest {
 
     @Test
     public void test1() {

src/test/java/Spring_06_DeptTest_02.java → src/test/java/Spring_06_DeptTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 级联赋值
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_06_DeptTest_02 {
+public class Spring_06_DeptTest {
 
     @Test
     public void test1() {

src/test/java/Spring_06_DeptTest_03.java → src/test/java/Spring_07_DeptTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 对象属性
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_06_DeptTest_03 {
+public class Spring_07_DeptTest {
 
     @Test
     public void test1() {

src/test/java/Spring_07_StuTest_01.java → src/test/java/Spring_08_StuTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 数组集合
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_07_StuTest_01 {
+public class Spring_08_StuTest {
 
     @Test
     public void test1() {

src/test/java/Spring_07_StuTest_02.java → src/test/java/Spring_09_StuTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * 对象list
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_07_StuTest_02 {
+public class Spring_09_StuTest {
 
     @Test
     public void test1() {

src/test/java/Spring_08_BookTest.java → src/test/java/Spring_10_BookTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * util命名空间
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_08_BookTest {
+public class Spring_10_BookTest {
 
     @Test
     public void test1() {

src/test/java/Spring_09_FactoryBeanTest.java → src/test/java/Spring_11_FactoryBeanTest.java

@@ -4,13 +4,13 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**
- * 测试ioc注入
+ * FactoryBean测试
  *
  * @author : qinyingjie
  * @version : 2.2.0
  * @date : 2022/11/12 18:43
  */
-public class Spring_09_FactoryBeanTest {
+public class Spring_11_FactoryBeanTest {
 
     @Test
     public void test3() {

src/test/java/Spring_12_ScopeTest.java

+import com.kwan.spring5.Book;
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 作用域
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_12_ScopeTest {
+
+    @Test
+    public void test3() {
+        ApplicationContext context =
+                new ClassPathXmlApplicationContext("spring12.xml");
+        Book book1 = context.getBean("book", Book.class);//返回值类型可以不是定义的bean类型！
+        Book book2 = context.getBean("book", Book.class);//返回值类型可以不是定义的bean类型！
+        System.out.println(book1);
+        System.out.println(book1);
+        System.out.println(book1.equals(book2));
+    }
+
+}

src/test/java/Spring_13_MyBeanPostTest.java

+import com.kwan.spring5.Orders;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * bean的生命周期
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_13_MyBeanPostTest {
+
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring13.xml");
+        Orders orders = context.getBean("orders", Orders.class);
+        System.out.println("第四步 获取创建 bean 实例对象");
+        System.out.println(orders);
+        //手动让 bean 实例销毁
+        context.close();
+    }
+
+
+}

src/test/java/Spring_14_DruidDataSourceTest.java

+import com.alibaba.druid.pool.DruidDataSource;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 获取连接池的bean
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_14_DruidDataSourceTest {
+
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring14.xml");
+        DruidDataSource dataSource = context.getBean("dataSource", DruidDataSource.class);
+        System.out.println(dataSource.getPassword());
+        System.out.println(dataSource.getUsername());
+        System.out.println(dataSource.getUrl());
+        System.out.println(dataSource.getDriverClassName());
+    }
+}

src/test/java/Spring_15_DruidDataSourceTest.java

+import com.alibaba.druid.pool.DruidDataSource;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 引入外部文件
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_15_DruidDataSourceTest {
+
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring15.xml");
+        DruidDataSource dataSource = context.getBean("dataSource", DruidDataSource.class);
+        System.out.println(dataSource.getPassword());
+        System.out.println(dataSource.getUsername());
+        System.out.println(dataSource.getUrl());
+        System.out.println(dataSource.getDriverClassName());
+    }
+}