{"id":40532,"date":"2023-11-02T17:29:08","date_gmt":"2022-12-06T14:13:13","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%ac%ac%e4%b8%80%e6%ac%a1%e7%9a%84spring-aop\/"},"modified":"2024-05-04T07:10:53","modified_gmt":"2024-05-03T23:10:53","slug":"%e7%ac%ac%e4%b8%80%e6%ac%a1%e7%9a%84spring-aop","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%ac%ac%e4%b8%80%e6%ac%a1%e7%9a%84spring-aop\/","title":{"rendered":"\u7b2c\u4e00\u6b21\u7684Spring AOP"},"content":{"rendered":"<p>\u8fd9\u6b21\u6211\u60f3\u5199\u5173\u4e8eSpring AOP\u7684\u5185\u5bb9\u3002<br \/>\n\u5982\u679c\u4f60\u60f3\u4e86\u89e3\u8be6\u7ec6\u89c4\u683c\uff0c\u8bf7\u9605\u8bfb\u5b98\u65b9\u53c2\u8003\u6587\u6863\u3002<br \/>\n\u7248\u672c\u662fSpring Boot 2.0.1.RELEASE\uff08Spring 5.0.5.RELEASE\uff09\u3002<\/p>\n<h1>AOP\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>AOP\u662fAspect Oriented Programming\u7684\u7f29\u5199\uff0c\u88ab\u79f0\u4e3a&#8221;\u9762\u5411\u5207\u9762\u7f16\u7a0b&#8221;\u3002<br \/>\n\u5728AOP\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u7f16\u5199\u4ee3\u7801\u5c06\u6a2a\u8de8\u7c7b\u7684\u5904\u7406\uff08\u5982\u5f02\u5e38\u5904\u7406\u3001\u65e5\u5fd7\u8bb0\u5f55\u3001\u4e8b\u52a1\u5904\u7406\u7b49\uff09\u4e0e\u4e1a\u52a1\u903b\u8f91\u5206\u79bb\u3002\u901a\u8fc7\u8fd9\u6837\u505a\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u6d01\u5730\u7f16\u5199\u591a\u4e2a\u5904\u7406\uff0c\u5e76\u9632\u6b62\u76f8\u540c\u7684\u5904\u7406\u5728\u5404\u4e2a\u5730\u65b9\u88ab\u91cd\u590d\u7f16\u5199\u3002<\/p>\n<h1>\u6625\u5929\u9762\u5411\u5207\u9762\u7f16\u7a0b\u7684\u672f\u8bed<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Aspect<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JoinPoint<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PointCut<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Advice<\/ul>\n<h2>\u65b9\u9762<\/h2>\n<p>Aspect\u6307\u7684\u662f\u5b9a\u4e49\u4e86\u6a2a\u5411\u5904\u7406\u548c\u6267\u884c\u4f4d\u7f6e\u7684\u6a21\u5757\u3002<br \/>\n\u5728Spring\u4e2d\uff0c\u901a\u8fc7\u7ed9\u7c7b\u6dfb\u52a0@Aspect\u6ce8\u89e3\uff0c\u8be5\u7c7b\u5c06\u88ab\u8ba4\u4e3a\u662f\u4e00\u4e2aAspect\u3002<br \/>\n\u9700\u8981\u5c06Aspect\u5b9a\u4e49\u4e3aBean\uff0c\u6240\u4ee5\u4e0d\u8981\u5fd8\u8bb0\u6dfb\u52a0@Component\u6ce8\u89e3\u5c06\u5176\u58f0\u660e\u4e3aBean\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span>\r\n<span class=\"nd\">@Aspect<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HogeAspect<\/span><span class=\"o\">{<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u52a0\u5165\u70b9<\/h2>\n<p>JoinPoint\u662f\u6307\u63d2\u5165\u6a2a\u5207\u6027\u5904\u7406\u7684\u4f4d\u7f6e\uff08\u65b9\u6cd5\uff09\u3002<\/p>\n<h2>\u5207\u5165\u70b9<\/h2>\n<p>PointCut\u662f\u8868\u793aJoinPoint\u7684\u96c6\u5408\u7684\u6982\u5ff5\u3002<br \/>\n\u5b83\u53ef\u4ee5\u7528\u4f5cAdvice\uff08\u7a0d\u540e\u89e3\u91ca\uff09\u6ce8\u89e3\u53c2\u6570\u4e2d\u7684PointCut\u8868\u8fbe\u5f0f\u3002<br \/>\n\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528execution()\u6307\u5b9a\u4e86JoinPoint\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@After<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"execution(* com.example.fuga..Fuga.*(..))\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">Hoge<\/span><span class=\"o\">(<\/span><span class=\"cm\">\/* .. *\/<\/span><span class=\"o\">){<\/span>\r\n  <span class=\"cm\">\/* .. *\/<\/span>\r\n<span class=\"o\">}<\/span>\r\n<span class=\"cm\">\/* Spring\u3067\u306f\u3001\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u306a\u3044\u5834\u5408\u3001value\u3068\u3044\u3046\u540d\u524d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u300cvalue =\u300d\u306f\u7701\u7565\u3067\u304d\u308b\u306e\u3067\u3001\r\n@After(\"execution(* com.example.fuga..Fuga.*(..))\")\u3000\u3068\u66f8\u304f\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002*\/<\/span>\r\n<\/code><\/pre>\n<p>\u5728execution()\u4e2d\uff0cJoinPoint\u4ee5\u4ee5\u4e0b\u7684\u8bed\u6cd5\u8868\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">execution<\/span><span class=\"o\">(<\/span><span class=\"n\">\u623b\u308a\u5024<\/span> <span class=\"n\">\u30d1\u30c3\u30b1\u30fc\u30b8\u540d<\/span><span class=\"o\">.<\/span><span class=\"na\">\u30af\u30e9\u30b9\u540d<\/span><span class=\"o\">.<\/span><span class=\"na\">\u30e1\u30bd\u30c3\u30c9\u540d<\/span><span class=\"o\">(<\/span><span class=\"n\">\u5f15\u6570\u306e\u578b<\/span><span class=\"o\">))<\/span>\r\n<span class=\"cm\">\/*\r\n\u300c*\u300d -&gt; \u4efb\u610f\u306e\u6587\u5b57\u5217\u3092\u8868\u3059\u3002\u305f\u3060\u3057\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u540d\u3067\u4f7f\u3046\u5834\u5408\u306f\u3001\u300c\u4efb\u610f\u306e\u540d\u524d\u306e\uff11\u30d1\u30c3\u30b1\u30fc\u30b8\u300d\u3092\u8868\u3057\u3001\u5f15\u6570\u3067\u4f7f\u3046\u5834\u5408\u306f\u300c\u4efb\u610f\u306e\u578b\uff11\u3064\u300d\u3092\u8868\u3059\u3002\r\n\u300c..\u300d -&gt; \u30d1\u30c3\u30b1\u30fc\u30b8\u540d\u3067\u4f7f\u3046\u5834\u5408\u306f\u3001\u300c0\u4ee5\u4e0a\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u300d\u3092\u8868\u3057\u3001\u5f15\u6570\u3067\u4f7f\u3046\u5834\u5408\u306f\u300c0\u4ee5\u4e0a\u306e\u4efb\u610f\u306e\u578b\u300d\u3092\u8868\u3059\u3002\r\n*\/<\/span> \r\n<\/code><\/pre>\n<p>\u5728\u6700\u5f00\u59cb\u63d0\u5230\u7684\u4f8b\u5b50\u4e2d\uff0c\u8868\u8fbe\u7684\u662f\u5bf9\u4e8e\u4f4d\u4e8e\u4efb\u610f\u8fd4\u56de\u7c7b\u578b\u7684&#8221;com.example.fuga&#8221;\u5305\u4ee5\u53ca\u5176\u5b50\u5305\u4e0b\u7684&#8221;Fuga&#8221;\u7c7b\u7684\u6240\u6709\u65b9\u6cd5\u90fd\u5e94\u7528@After\u6ce8\u89e3\u3002<\/p>\n<p>\u9664\u4e86execution()\u4e4b\u5916\uff0c\u8fd8\u6709within()\u3001this()\u7b49\u7b49\u5404\u79cd\u9009\u9879\uff0c\u4f46\u5e38\u5e38\u4f7f\u7528execution()\u3002\u53c2\u8003<\/p>\n<h2>\u5efa\u8bae y\u00ec)<\/h2>\n<p>\u901a\u8fc7\u5728\u5e26\u6709@Aspect\u6ce8\u89e3\u7684\u7c7b\u7684\u65b9\u6cd5\u4e0a\u6dfb\u52a0\u6ce8\u89e3\uff0c\u53ef\u4ee5\u5c06\u8be5\u65b9\u6cd5\u4f5c\u4e3aAdvice\u6267\u884c\u3002Advice\u662f\u8868\u793a\u5728JoinPoint\u4e0a\u6267\u884c\u7684\u8de8\u5207\u9762\u5904\u7406\u672c\u8eab\u3002Advice\u7684\u6ce8\u89e3\u7c7b\u578b\u6709\u4ee5\u4e0b\u4e94\u79cd\u3002<\/p>\n<h3>\u5728\u4e4b\u524d<\/h3>\n<p>\u8fd9\u662f\u5728\u6267\u884c\u76ee\u6807\u65b9\u6cd5\u4e4b\u524d\u6267\u884c\u7684Advice\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Before<\/span><span class=\"o\">(<\/span><span class=\"s\">\"execution(* *..*(..))\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">beforeHandler<\/span><span class=\"o\">(){<\/span>\r\n<span class=\"cm\">\/* .. *\/<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>@\u4e4b\u540e<\/h3>\n<p>\u65e0\u8bba\u65b9\u6cd5\u7684\u5904\u7406\u7ed3\u679c\u5982\u4f55\uff0c\u90fd\u4f1a\u88ab\u6267\u884c\u7684Advice\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@After<\/span><span class=\"o\">(<\/span><span class=\"s\">\"execution(* *..*(..))\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">afterHandler<\/span><span class=\"o\">(){<\/span>\r\n<span class=\"cm\">\/* .. *\/<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>@\u8fd4\u56de\u4e4b\u540e<\/h3>\n<p>\u53ea\u6709\u5f53\u76ee\u6807\u65b9\u6cd5\u7684\u5904\u7406\u6b63\u786e\u5730\u7ed3\u675f\u65f6\u624d\u4f1a\u6267\u884c\u7684Advice\u3002<br \/>\n\u5982\u679c\u5728returning\u53c2\u6570\u4e2d\u6307\u5b9a\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u90a3\u4e48\u8be5\u5b57\u7b26\u4e32\u7684\u53d8\u91cf\u5c06\u4fdd\u5b58\u7531JoinPoint\u6267\u884c\u7684\u5904\u7406\u7684\u8fd4\u56de\u503c\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u5728Advice\u4e2d\u4f7f\u7528\u8fd4\u56de\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@AfterReturning<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"execution(* *..*(..))\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">returning<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"r\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">afterReturning<\/span><span class=\"o\">(<\/span><span class=\"nc\">Object<\/span> <span class=\"n\">r<\/span><span class=\"o\">){<\/span>\r\n  <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>@\u629b\u51fa\u5f02\u5e38\u4e4b\u540e<\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a\u53ea\u6709\u5728\u76ee\u6807\u65b9\u6cd5\u5904\u7406\u8fc7\u7a0b\u4e2d\u53d1\u751f\u5f02\u5e38\u65f6\u624d\u4f1a\u6267\u884c\u7684Advice\u3002<br \/>\n\u5982\u679c\u901a\u8fc7throwing\u53c2\u6570\u6307\u5b9a\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u90a3\u4e48\u8be5\u5b57\u7b26\u4e32\u53d8\u91cf\u5c06\u5b58\u50a8\u5728JoinPoint\u4e2d\u53d1\u751f\u7684\u5f02\u5e38\u4fe1\u606f\uff0c\u4ece\u800c\u53ef\u4ee5\u5728Advice\u4e2d\u4f7f\u7528\u8be5\u5f02\u5e38\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@AfterThrowing<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"execution(* *..*(..))\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">throwing<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"e\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">afterThrowing<\/span><span class=\"o\">(<\/span><span class=\"nc\">Throwable<\/span> <span class=\"n\">e<\/span><span class=\"o\">){<\/span>\r\n  <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">getMessage<\/span><span class=\"o\">());<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>@\u5468\u56f4<\/h3>\n<p>\u8fd9\u662f\u4e00\u79cd\u53ef\u4ee5\u5728\u76ee\u6807\u65b9\u6cd5\u7684\u5904\u7406\u524d\u3001\u5904\u7406\u540e\u7b49\u4efb\u610f\u65f6\u673a\u6267\u884c\u7684Advice\u3002<br \/>\n\u60a8\u53ef\u4ee5\u50cf\u4e0b\u9762\u7684\u793a\u4f8b\u4e00\u6837\u81ea\u7531\u8bbe\u7f6e\u524d\u5904\u7406\u548c\u540e\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Around<\/span><span class=\"o\">(<\/span><span class=\"s\">\"execution(* *..*(..))\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">around<\/span><span class=\"o\">(<\/span><span class=\"nc\">ProceedingJoinPoint<\/span> <span class=\"n\">pjp<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">Throwable<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u524d\u51e6\u7406\"<\/span><span class=\"o\">)<\/span>\r\n\r\n  <span class=\"c1\">\/\/\u30e1\u30bd\u30c3\u30c9\u5b9f\u884c<\/span>\r\n  <span class=\"nc\">Object<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pjp<\/span><span class=\"o\">.<\/span><span class=\"na\">proceed<\/span><span class=\"o\">();<\/span>\r\n\r\n  <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u5f8c\u51e6\u7406\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h1>\u4f7f\u7528\u65b9\u6cd5 (sh\u01d0 f\u01ce)<\/h1>\n<h2>\u5728pom.xml\u4e2d\u6dfb\u52a0\u5e93<\/h2>\n<p>\u5982\u679c\u4f7f\u7528Spring Boot\uff0c\u9700\u8981\u5728pom.xml\u6587\u4ef6\u7684dependencies\u4e2d\u6dfb\u52a0&#8221;spring-boot-starter-aop&#8221;\u3002\u5982\u679c\u5df2\u7ecf\u5c06&#8221;spring-boot-starter-parent&#8221;\u6307\u5b9a\u4e3aparent\uff0c\u90a3\u4e48\u65e0\u9700\u6307\u5b9aspring-boot-starter-aop\u7684\u7248\u672c\u4fe1\u606f\uff0c\u56e0\u4e3a\u5df2\u7ecf\u5b9a\u4e49\u4e86\u7248\u672c\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;dependencies&gt;<\/span>\r\n    <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n        <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-starter-aop<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n<span class=\"nt\">&lt;\/dependencies&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u4e0d\u4f7f\u7528Spring Boot\uff0c\u53ea\u9700\u5c06&#8221;spring-aop&#8221;\u548c&#8221;aspectjweaver&#8221;\u6dfb\u52a0\u5230pom.xml\u4e2d\uff0c\u5e76\u5728JavaConfig\u4e0a\u52a0\u4e0a@EnableAspectJAutoProxy\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\uff08\u672a\u7ecf\u9a8c\u8bc1\uff09\u3002<\/p>\n<h2>\u521b\u5efa\u4e00\u4e2aAspect<\/h2>\n<p>\u521b\u5efa\u4e00\u4e2a\u7528\u4e8eAspect\u7684\u7c7b\uff0c\u5e76\u5728\u8be5\u7c7b\u7684\u9996\u884c\u6dfb\u52a0@Aspect\u548c@Component\u6807\u8bb0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span>\r\n<span class=\"nd\">@Aspect<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HogeAspect<\/span><span class=\"o\">{<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u64b0\u5199\u5efa\u8bae\u5e76\u63cf\u8ff0\u5207\u70b9(PointCut)\u3002<\/h2>\n<p>\u4e3a\u5b9a\u4e49\u4e3aAspect\u7684\u7c7b\u521b\u5efa\u65b9\u6cd5\u3002<br \/>\n\u6839\u636eAdvice\u6267\u884c\u7684\u65f6\u673a\uff0c\u8bf7\u5728\u4e0a\u8ff0Advice\u7684\u6ce8\u91ca\u4e2d\u9002\u5f53\u6dfb\u52a0\u6ce8\u89e3\u3002<br \/>\n\u6b64\u5916\uff0c\u4f7f\u7528Advice\u7684\u6ce8\u89e3\u4e2d\u7684execution()\u63cf\u8ff0\u8981\u5c06Advice\u5e94\u7528\u4e8e\u54ea\u4e2a\u7c7b\u6216\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span>\r\n<span class=\"nd\">@Aspect<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HogeAspect<\/span><span class=\"o\">{<\/span>\r\n  \r\n  <span class=\"nd\">@AfterThrowing<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"execution(* *..*(..))\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">throwing<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"ex\"<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">handler<\/span><span class=\"o\">(<\/span><span class=\"nc\">Throwable<\/span> <span class=\"n\">ex<\/span><span class=\"o\">){<\/span>\r\n    <span class=\"cm\">\/* .. *\/<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b9a\u4e49\u4e86\u5bf9\u4e8e\u5728\u6240\u6709\u65b9\u6cd5\u4e2d\u53d1\u751f\u7684\u5f02\u5e38\u8fdb\u884c\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<h1>\u8bf7\u63d0\u4f9b\u66f4\u591a\u4e0a\u4e0b\u6587\uff0c\u4ee5\u4fbf\u6211\u80fd\u591f\u4e3a\u60a8\u63d0\u4f9b\u6b63\u786e\u7684\u7ffb\u8bd1\u3002<\/h1>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u6b21\u6211\u60f3\u5199\u5173\u4e8eSpring AOP\u7684\u5185\u5bb9\u3002 \u5982\u679c\u4f60\u60f3\u4e86\u89e3\u8be6\u7ec6\u89c4\u683c\uff0c\u8bf7\u9605\u8bfb\u5b98\u65b9\u53c2\u8003\u6587\u6863\u3002 \u7248\u672c\u662fSpring B [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40532","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7b2c\u4e00\u6b21\u7684Spring AOP - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7b2c\u4e00\u6b21\u7684spring-aop\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7b2c\u4e00\u6b21\u7684Spring AOP\" \/>\n<meta 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