正如你所知道的Java内部类是其他类的范围内定义的，同样，内部bean是被其他bean的范围内定义的bean。因此<property/>或<constructor-arg/>元素内<bean/>元件被称为内部bean和它如下所示。
<? 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-3.0.xsd" > <bean id = "outerBean" class = "..." > <property name = "target" > <bean id = "innerBean" class = "..." /> 例如：
我们使用Eclipse IDE，然后按照下面的步骤来创建一个Spring应用程序：
| 步骤 | 描述 |
| 1 | Create a project with a name SpringExample and create a package com.yiibai under the src folder in the created project. |
| 2 | Add required Spring libraries using Add External JARs option as explained in the Spring Hello World Example chapter. |
| 3 | Create Java classes TextEditor, SpellChecker and MainApp under the com.yiibaipackage. |
| 4 | Create Beans configuration file Beans.xml under the src folder. |
| 5 | The final step is to create the content of all the Java files and Bean Configuration file and run the application as explained below. |
这里是TextEditor.java文件的内容：
public class TextEditor { private SpellChecker spellChecker ; // a setter method to inject the dependency. public void setSpellChecker ( SpellChecker spellChecker ) { System . out . println ( "Inside setSpellChecker." ); this . spellChecker = spellChecker ; } // a getter method to return spellChecker public SpellChecker getSpellChecker () { public void spellCheck () { spellChecker . checkSpelling (); 下面是另外一个相关的类文件SpellChecker.java内容：
public class SpellChecker { System . out . println ( "Inside SpellChecker constructor." ); public void checkSpelling (){ System . out . println ( "Inside checkSpelling." ); 以下是MainApp.java文件的内容：
import org . springframework . context . ApplicationContext ; import org . springframework . context . support . ClassPathXmlApplicationContext ; public static void main ( String [] args ) { ApplicationContext context = new ClassPathXmlApplicationContext ( "Beans.xml" ); TextEditor te = ( TextEditor ) context . getBean ( "textEditor" ); 以下是配置文件beans.xml文件里面有配置为基于setter 注入，但使用内部bean：
<? 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-3.0.xsd" > <!-- Definition for textEditor bean using inner bean --> <bean id = "textEditor" class = "com.yiibai.TextEditor" > <property name = "spellChecker" > <bean id = "spellChecker" class = "com.yiibai.SpellChecker" /> 创建源代码和bean配置文件来完成，让我们运行应用程序。如果一切顺利，这将打印以下信息：
Inside SpellChecker constructor. 本文来自云栖社区合作伙伴“ ”，了解相关信息可以关注“ ”。