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2)FIELD:ÓòÉùÃ÷(°üÀ¨enumʵÀý)
3)LOCAL_VARIABLE:¾Ö²¿±äÁ¿ÉùÃ÷
4)METHOD:·½·¨ÉùÃ÷
5)PACKAGE:°üÉùÃ÷
6)PARAMETER:²ÎÊýÉùÃ÷
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----------------------------- UseCase.java -------------------------
package com;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Target(ElementType.METHOD)//ÓÃÀ´¶¨ÒåÄãµÄ×¢½â½«Ó¦ÓÃÔÚʲôµØ·½,±¾´¦Ó¦ÓÃΪ·½·¨
//ÓÃÀ´¶¨Òå¸Ã×¢½âÔÚÄÄÒ»¸ö¼¶±ð¿ÉÓÃ,ÔÚÔ´´úÂëÖÐ(source)ÀàÎļþÖÐ(class)»òÕßÔËÐÐʱ(runtime)
@Retention(RetentionPolicy.RUNTIME)
public @interface UseCase {
public int id();
public String description()default "no description";
}
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import axtic.bean.exportHistoryBean;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
public class SysContextListener implements ServletContextListener
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