spring AOP注释技巧-使用&&和!

 

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.jsczxy2.exception.DwrException;
import com.jsczxy2.web.dwr.BaseDwr;

/**
 * @author jsczxy2
 * DWR权限AOP
 */
@Aspect
@Component
public class DwrAspect {
	
	Log log = LogFactory.getLog(getClass());
	
	@Autowired
	private BaseDwr baseDwr;
	
	@Before("execution(* com.jsczxy2.web.dwr..*.*(..)) && !execution(* com.jsczxy2.web.dwr.BaseDwr.*(..))")
	public void checkLogin(JoinPoint jp) throws Throwable{
		if(baseDwr.getRequest().getSession().getAttribute("user")==null){
			throw new DwrException("登录后才能进行操作");
		}
	}
	
}