package com.jie.common;
import java.lang.annotation.*;
/** * @author wuchunjie * @date 2018/2/23 */ @Retention(RetentionPolicy.RUNTIME)//注解会在class中存在,运行时可通过反射获取 @Target(ElementType.METHOD)//目标是方法 @Documented//文档生成时,该注解将被包含在javadoc中,可去掉 public @interface OperationLogger { /** * 模块名字 */ String modelName() default "";
/\*\*
\* 操作类型
\*/
String option();
}
package com.jie.common;
import org.apache.log4j.Logger; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.Signature; import org.aspectj.lang.annotation.*; import org.aspectj.lang.reflect.MethodSignature; import org.springframework.stereotype.Component; import java.lang.reflect.Method;
/** * @author wuchunjie * @date 2018/2/23 */ @Aspect @Component public class SysLogAspect {
private static final Logger logger = Logger.getLogger(SysLogAspect.class);
/\*\*
\* 定义Pointcut,Pointcut的名称,此方法不能有返回值,该方法只是一个标示
\*/
@Pointcut("@annotation(com.jie.common.OperationLogger)")
public void controllerAspect()
{
System.out.println("我是一个切入点");
}
/\*\*
\* 前置通知(Before advice) :在某连接点(JoinPoint)之前执行的通知,但这个通知不能阻止连接点前的执行。
\* @param joinPoint
\*/
@Before("controllerAspect()")
public void doBefore(JoinPoint joinPoint)
{
System.out.println("=====SysLogAspect前置通知开始=====");
//handleLog(joinPoint, null);
}
/\*\*
\* 后通知(After advice) :当某连接点退出的时候执行的通知(不论是正常返回还是异常退出)。
\* @param joinPoint
\*/
@AfterReturning(pointcut = "controllerAspect()")
public void doAfter(JoinPoint joinPoint)
{
System.out.println("=====SysLogAspect后置通知开始=====");
//handleLog(joinPoint, null);
}
/\*\*
\* 抛出异常后通知(After throwing advice) : 在方法抛出异常退出时执行的通知。
\* @param joinPoint
\* @param e
\*/
@AfterThrowing(value = "controllerAspect()", throwing = "e")
public void doAfter(JoinPoint joinPoint, Exception e)
{
System.out.println("=====SysLogAspect异常通知开始=====");
//handleLog(joinPoint, e);
}
/\*\*
\* 环绕通知(Around advice) :包围一个连接点的通知,类似Web中Servlet规范中的Filter的doFilter方法。可以在方法的调用前后完成自定义的行为,也可以选择不执行。
\* @param joinPoint
\*/
@Around("controllerAspect()")
public Object doAround(ProceedingJoinPoint joinPoint) throws Throwable
{
System.out.println("=====SysLogAspect 环绕通知开始=====");
//handleLog(joinPoint, null);
Object obj= joinPoint.proceed();
System.out.println("=====SysLogAspect 环绕通知结束=====");
return obj;
}
/\*\*
\* 日志处理
\*
\* @param joinPoint
\* @param e
\*/
private void handleLog(JoinPoint joinPoint, Exception e)
{
try
{
//获得注解
OperationLogger logger = giveController(joinPoint);
if (logger == null)
{
return;
}
String signature = joinPoint.getSignature().toString(); // 获取目标方法签名
String methodName = signature.substring(signature.lastIndexOf(".") + 1,
signature.indexOf("("));
String longTemp = joinPoint.getStaticPart().toLongString();
String classType = joinPoint.getTarget().getClass().getName();
Class<?> clazz = Class.forName(classType);
Method\[\] methods = clazz.getDeclaredMethods();
System.out.println("methodName: " + methodName);
for (Method method : methods)
{
if (method.isAnnotationPresent(OperationLogger.class)
&& method.getName().equals(methodName))
{
//OpLogger logger = method.getAnnotation(OpLogger.class);
String clazzName = clazz.getName();
System.out.println("clazzName: " + clazzName + ", methodName: "
+ methodName);
}
}
} catch (Exception exp)
{
logger.error("异常信息:{}", exp);
exp.printStackTrace();
}
}
/\*\*
\* 获得注解
\* @param joinPoint
\* @return
\* @throws Exception
\*/
private static OperationLogger giveController(JoinPoint joinPoint) throws Exception
{
Signature signature = joinPoint.getSignature();
MethodSignature methodSignature = (MethodSignature) signature;
Method method = methodSignature.getMethod();
if (method != null)
{
return method.getAnnotation(OperationLogger.class);
}
return null;
}
}
spring-mvc.xml
<aop:aspectj-autoproxy proxy-target-class="true"/>
切到controller的参数之后,将pojo直接反序列化为参数保存到数据库中即可