1 package org.test.InitializingBean; 2  3 import org.springframework.context.support.ClassPathxmlapplicationContext; 4  5 /** 6  * 測試 spring的 InitializingBean 接口 7  * @author Administrator 8  * 9  */10 public class InitializingBeanTest {11 12     /**13      * @param args14      */15     public static void main(String[] args) {16         17         ClassPathXmlApplicationContext ctx=new ClassPathXmlApplicationContext("applicationContext.xml", 18                 InitializingBeanTest.class);19         ctx.start();20 21     }22 23 }

 1 package org.test.InitializingBean; 2  3 import org.springframework.beans.factory.InitializingBean; 4  5 /** 6  * @see {@link org.springframework.beans.factory.InitializingBean#afterPropertiesSet} 7  * @author Administrator 8  * 9  */10 public class User implements InitializingBean {11 12     public User() {13         System.out.println(">>>>>>> User 默認的構造函數執行了");14     }15         16     @Override17     public void afterPropertiesSet() throws Exception {18         System.out.println(">>>>>>> 執行了 afterPropertiesSet 方法");19 20     }21 22 }

執行的結果如下圖所示。可以看到當執行完User默認的構造函數之后，就會調用該類實現afterPropertiesSet方法