aspect的用法和搭配(aspect的用法及短语)

2018年01月08日12时06分44秒

阅读次数:106

//@方面使用的jar包:& lt；依赖性& gt& ltgroupId & gtorg.aspectj & lt/groupId & gt；& ltartifactId & gtaspectjweaver & lt/artifact id & gt；& lt版本& gt1 . 7 . 2 & lt；/version & gt；& lt/dependency & gt；//我没有用XML配置文件，所以用了这个annotation @ enableSAspectJautoproxy，意思是启用自动代理功能。注释主要添加到配置类中，如下图所示。如果使用XML配置文件，只需要在XML中配置切点和切平面(这里不解释)。

/* * *用户定义的注释截获controller */@ target({ element type . parameter，element type . method })@ retention policy . runtime)@ Documented Public @ InterfaceSystemControllerLog { string description()default " "；}导入com . Google . gson . gson；导入org . Apache . commons . lang 3 . string utils；导入org . AspectJ . lang . join point；导入org . AspectJ . lang . proceedingjoinpoint；导入org . AspectJ . lang . annotation . *；导入org . AspectJ . lang . reflect . method signature；导入org . slf4j . logger；导入org . SLF 4j . logger factory；导入org . spring framework . stereotype . component；导入org . spring framework . web . context . request . request attributes；import org . spring framework . web . context . request . requestcontextholder；import org . spring framework . web . context . request . servletrequestattributes；导入javax . servlet . http . http servlet request；导入Java . io . file；导入Java . io . file output stream；导入Java . io . io exception；导入Java . lang . reflect . method；导入Java . text . simple date format；导入Java . util . date；导入Java . util . hashmap；导入Java . util . map；/* * * * @ class name:loga SPECT * @ description:logging AOP实现* @ author shaijan . Yu * @ date 2014年11月3日下午1:51:59 * */@ Aspect @ component public class loga SPECT { private final Logger Logger = Logger factory . get Logger(this . getclass())；私有字符串requestPath = null//请求地址私有字符串userNo = null//用户名PrivateMap <？,?& gtinputParamMap = null//传入参数privatemap < String，Object & gtoutputParamMap = null//存储输出结果private long startTimeMillis = 0；//开始时间private long endTimeMillis = 0；//结束时间私有字符串remoteAddr//请求IP私有字符串描述；//方法描述/** *控制器层切点标注拦截*/@ pointcut(" @ annotation(com . zhuhui class . cloud . web . annotation . systemcontrollerlog)")public void控制器方面(){ }/* * * * @ title:dobeforeservicelayer * @描述:方法调用前触发*记录开始时间* @ authorshaojian.yu * @日期2014年11月2日下午4:45:53 * @ param join point */@ Before(" execution(* com . zhuohui class . cloud . web . controllers..*.*(..))")public void doBeforeInServiceLayer(join point join point){ startTimeMillis = system . currenttimemillis()；//记录方法开始执行的时间}/* * * @ title:doaferrinservicelayer * @ description:方法被调用后触发* Record end time * @ author shaijan . Yu * @ date 2014年11月2日下午4:46:21 * @ param join point */@ After(" controller aspect()")public void doAfterInServiceLayer(join point join point)抛出io exception { endTimeMillis = system . currenttimemillis()；//记录方法执行完成的时间。description = getcontrollermethoddescription 2(连接点)；if(string utils . is blank(description)){ description = "-"；} this . printoplog()；}/* * * * @ title:do Around * @ description:surround trigger * @ author shai Jian . Yu * @ date 2014年11月3日下午1:58:45 * @ param pjp * @ return * @ throwsthrowable */@ Around(" execution(* com . zhuohui class . cloud . web . controllers..*.*(..))")公共对象DOA round(ProceedingJoinPoint pjp)抛出Throwable { /** * 1。获取请求信息* 2。根据请求获取会话* 3。从session */request attributes ra = request context holder . getrequest attributes()中获取登录用户信息；ServletRequestAttributes SRA =(ServletRequestAttributes)ra；http servlet request request = SRA . get request()；userNo =(String)request . getsession()。get attribute(" user ")；if(string utils . is blank(userNo)){ userNo = "-"；} remote addr = request . getremote addr()；//请求的IP if(string utils . is blank(remote addr)){ remote addr = "-"；}//获取输入参数input paramap = request . getparametermap()；//获取请求地址request path = request . getrequest uri()；if(string utils . is blank(request path)){ request path = "-"；}//方法执行后返回值:调用proceed()方法会触发切入点方法执行output param map = new hashmap < String，Object & gt();object result = pjp . proceed()；//result的值是被拦截的方法outputparammap.put ("result "，结果)的返回值；返回结果；}/* * *获取控制器层批注的批注中方法的描述信息* * @ param join point tangent * @ return description */public static String getcontrollermethoddescription 2(join point join point){ method signature signature signature =(method signature)join point . Get signature()；method method = signature . get method()；SystemControllerLog controller log =方法。get annotation(systemcontrollerlog . class)；string description = controller log . description()；返回描述；}/* * * * @ title:printoptlog * @ description:output log * @ author shaijan . Yu * @ date 2014年11月2日下午4:47:09 */privatevoid printoptlog(){ gsongson = newgson()；//google的gson解析包字符串opt time =新的简单日期格式(" yyyy-mm-ddhh: mm: ss ")。需要格式(开始时间毫秒)；String data1 = "用户ID:" +userNo+"rn"+"请求地址:"+requestPath+"rn"+"请求IP:"+remoteAddr+"rn"+"方法+描述+" r +"rn"+"参数:"+gson . tojson(input parammap)+" r n "+"返回参数:"+gson . tojson(output parammap)+" r n "；logger . error(data1)；请尝试{ Date now = new Date()；SimpleDateFormat SDF = new SimpleDateFormat(" yyyyMMdd ")；String logName = sdf.format(现在)；//服务器日志地址/数据/网站/zhuohui class/cloud/logs/file log file = new file(" C: users Lenovo desktop "，logname+"。txt ")；如果(！log file . exists()){//log file . mkdirs()；log file . create new file()；} if(字符串utils。isnoneblankk()){ }//数据分析的用户ID IP方法时间string data = userno+" t "+remote addr+" t "+description+" t "+opt time+" t "+" r n "；file output stream out = new file output stream(log file，true)；out . write(data . getbytes())；out . close()；}catch (Exception e){} }//自定义注释用法