fix:FactoryBean使用

src/main/java/com/kwan/spring5/factorybean/MyBean.java

+package com.kwan.spring5.factorybean;
+
+import com.kwan.spring5.Course;
+import org.springframework.beans.factory.FactoryBean;
+
+/**
+ * 实现 FactoryBean
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/14 18:04
+ */
+public class MyBean implements FactoryBean<Course> {
+    /**
+     * 定义返回bean
+     *
+     * @return
+     * @throws Exception
+     */
+    @Override
+    public Course getObject() {
+        Course course = new Course();
+        course.setCname("abc");
+        return course;
+    }
+
+    @Override
+    public Class<?> getObjectType() {
+        return null;
+    }
+
+    @Override
+    public boolean isSingleton() {
+        return FactoryBean.super.isSingleton();
+    }
+}
\ No newline at end of file

src/main/resources/spring11.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/>
+
+    <bean id="myBean" class="com.kwan.spring5.factorybean.MyBean"></bean>
+
+</beans>
\ No newline at end of file

src/test/java/Spring_09_FactoryBeanTest.java

+import com.kwan.spring5.Course;
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 测试ioc注入
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_09_FactoryBeanTest {
+
+    @Test
+    public void test3() {
+        ApplicationContext context =
+                new ClassPathXmlApplicationContext("spring11.xml");
+        Course course = context.getBean("myBean", Course.class);//返回值类型可以不是定义的bean类型！
+        System.out.println(course);
+    }
+
+}