分析 bean 的加载完成，搜索内容查看 ： 注释 4.

spring-analysis-note/src/main/java/base/factory/bean/Car.java

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+package base.factory.bean;
+
+/**
+ * @author JingQ at 2019-06-08
+ */
+public class Car {
+
+	private int maxSpeed;
+
+	private String brand;
+
+	private double price;
+
+	public int getMaxSpeed() {
+		return maxSpeed;
+	}
+
+	public void setMaxSpeed(int maxSpeed) {
+		this.maxSpeed = maxSpeed;
+	}
+
+	public String getBrand() {
+		return brand;
+	}
+
+	public void setBrand(String brand) {
+		this.brand = brand;
+	}
+
+	public double getPrice() {
+		return price;
+	}
+
+	public void setPrice(double price) {
+		this.price = price;
+	}
+
+	@Override
+	public String toString() {
+		return "Car{" +
+				"maxSpeed=" + maxSpeed +
+				", brand='" + brand + '\'' +
+				", price=" + price +
+				'}';
+	}
+}

spring-analysis-note/src/main/java/base/factory/bean/CarFactoryBean.java

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+package base.factory.bean;
+
+import org.springframework.beans.factory.FactoryBean;
+
+/**
+ * Factory Bean
+ * @author JingQ at 2019-06-08
+ */
+public class CarFactoryBean implements FactoryBean<Car> {
+
+	private String carInfo;
+
+	@Override
+	public Car getObject() throws Exception {
+		Car car = new Car();
+		String[] infos = carInfo.split(",");
+		car.setBrand(infos[0]);
+		car.setMaxSpeed(Integer.valueOf(infos[1]));
+		car.setPrice(Double.valueOf(infos[2]));
+		return car;
+	}
+
+	@Override
+	public Class<?> getObjectType() {
+		return Car.class;
+	}
+
+	public String getCarInfo() {
+		return carInfo;
+	}
+
+	public void setCarInfo(String carInfo) {
+		this.carInfo = carInfo;
+	}
+
+}

spring-analysis-note/src/main/java/base/factory/bean/FactoryBeanBootstrap.java

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+package base.factory.bean;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 注释 4.5 FactoryBean 启动类
+ * @author JingQ at 2019-06-08
+ */
+public class FactoryBeanBootstrap {
+
+	public static void main(String[] args) {
+		ApplicationContext context = new ClassPathXmlApplicationContext("factory.bean/factoryBean.xml");
+		// 不使用 & 前缀，识别到的是 FactoryBean.getObject 返回的 car 类型
+		Car car = (Car) context.getBean("carFactoryBean");
+		// 输出 Car{maxSpeed=400, brand='超级跑车', price=20000.0}
+		System.out.println(car.toString());
+
+		// 使用 & 前缀，识别到的是 CarFactoryBean 本身
+		CarFactoryBean bean = (CarFactoryBean) context.getBean("&carFactoryBean");
+		// 输出 base.factory.bean.CarFactoryBean@4629104a
+		System.out.println(bean.toString());
+
+	}
+}

spring-analysis-note/src/main/resources/factory.bean/factoryBean.xml

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+<?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="carFactoryBean" class="base.factory.bean.CarFactoryBean">
+		<!--注释 4.4 还记得这个属性使用么哈哈哈-->
+		<property name="carInfo" value="超级跑车,400,20000"/>
+	</bean>
+</beans>