{"id":378,"date":"2021-01-21T11:35:43","date_gmt":"2021-01-21T03:35:43","guid":{"rendered":"http:\/\/www.softeng.cn\/?p=378"},"modified":"2021-01-21T11:35:43","modified_gmt":"2021-01-21T03:35:43","slug":"%e3%80%8ab%e7%ab%99-spring%e6%ba%90%e7%a0%81%e8%a7%a3%e6%9e%90%e3%80%8b%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e4%ba%94%ef%bc%89-aop%e5%8a%9f%e8%83%bd%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"https:\/\/www.softeng.cn\/?p=378","title":{"rendered":"\u300aB\u7ad9-Spring\u6e90\u7801\u89e3\u6790\u300b\u5b66\u4e60\u7b14\u8bb0\uff08\u4e94\uff09\u2014\u2014AOP\u529f\u80fd\u6d4b\u8bd5"},"content":{"rendered":"

\u89c6\u9891\u5730\u5740\uff1ahttps:\/\/www.bilibili.com\/video\/BV1oW41167AV<\/a>
\n\u5bf9\u5e94\u4ee3\u7801Git\u5e93\u5730\u5740\uff1ahttps:\/\/github.com\/whh306318848\/spring-annotation.git<\/a><\/p>\n

    \n
  1. AOP\u3010\u52a8\u6001\u4ee3\u7406\u3011\uff1a\u6307\u5728\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4\uff0c\u52a8\u6001\u7684\u5c06\u67d0\u6bb5\u4ee3\u7801\u5207\u5165\u5230\u6307\u5b9a\u65b9\u6cd5\u6307\u5b9a\u4f4d\u7f6e\u8fdb\u884c\u8fd0\u884c\u7684\u53d8\u6210\u65b9\u5f0f<\/li>\n
  2. \u4f7f\u7528AOP\u6b65\u9aa4\uff1a
    \n2.1. \u5728pom\u6587\u4ef6\u4e2d\u5bfc\u5165AOP\u6a21\u5757\uff0cString AOP\u6a21\u5757\u505a\u4e86\u4e00\u4e9b\u7b80\u5316\uff0c\u53ea\u9700\u8981\u914d\u7f6e\u51e0\u4e2a\u6ce8\u89e3\u5c31\u53ef\u4ee5\u8fd0\u884c\u8d77\u6765<\/li>\n<\/ol>\n
    <!-- https:\/\/mvnrepository.com\/artifact\/org.springframework\/spring-aspects -->\n<dependency>\n    <groupId>org.springframework<\/groupId>\n    <artifactId>spring-aspects<\/artifactId>\n    <version>5.2.12.RELEASE<\/version>\n<\/dependency>\n<\/code><\/pre>\n
    2.2. \u5b9a\u4e49\u4e1a\u52a1\u903b\u8f91\u7c7bMathCalculator\uff0c\u5728\u4e1a\u52a1\u903b\u8f91\u8fd0\u884c\u7684\u65f6\u5019\u5c06\u65e5\u5fd7\u8fdb\u884c\u6253\u5370\uff08\u65b9\u6cd5\u8fd0\u884c\u4e4b\u524d\u3001\u65b9\u6cd5\u8fd0\u884c\u7ed3\u675f\u3001\u65b9\u6cd5\u51fa\u73b0\u5f02\u5e38\u7b49\u60c5\u51b5\uff09<\/p>\n
    public class MathCalculator {\n\n    public int div(int i, int j) {\n        return i \/ j;\n    }\n}\n\n<\/code><\/pre>\n
    2.3. \u5b9a\u4e49\u4e00\u4e2a\u65e5\u5fd7\u5207\u9762\u7c7bLogAspects\uff0c\u5207\u9762\u7c7b\u91cc\u9762\u7684\u65b9\u6cd5\u9700\u8981\u52a8\u6001\u611f\u77e5MathCalculator.div\u8fd0\u884c\u5230\u54ea\u91cc\u8fdb\u884c\u6267\u884c<\/p>\n
    public class LogAspects {\n    public void logStart() {\n        System.out.println(\"\u9664\u6cd5\u8fd0\u884c...\u53c2\u6570\u5217\u8868\u662f\uff1a{}\");\n    }\n\n    public void logEnd() {\n        System.out.println(\"\u9664\u6cd5\u7ed3\u675f...\");\n    }\n\n    public void logReturn() {\n        System.out.println(\"\u9664\u6cd5\u6b63\u5e38\u8fd4\u56de...\u8fd0\u884c\u7ed3\u679c\uff1a{}\");\n    }\n\n    public void logException() {\n        System.out.println(\"\u9664\u6cd5\u5f02\u5e38...\u5f02\u5e38\u4fe1\u606f\uff1a{}\");\n    }\n}\n<\/code><\/pre>\n
    \u901a\u77e5\u65b9\u6cd5\u7c7b\u578b\uff1a
    \n– \u524d\u7f6e\u901a\u77e5\uff08@Before\uff09\uff1a\u76f8\u5f53\u4e8elogStart\uff0c\u5728\u76ee\u6807\u65b9\u6cd5\u8fd0\u884c\u4e4b\u524d\u8fd0\u884c
    \n– \u540e\u7f6e\u901a\u77e5\uff08@After\uff09\uff1a\u76f8\u5f53\u4e8elogEnd\uff0c\u5728\u76ee\u6807\u65b9\u6cd5\u8fd0\u884c\u7ed3\u675f\u4e4b\u540e\u8fd0\u884c\uff08\u65e0\u8bba\u65b9\u6cd5\u6b63\u5e38\u7ed3\u675f\u8fd8\u662f\u5f02\u5e38\u7ed3\u675f\u90fd\u8c03\u7528\uff09
    \n– \u8fd4\u56de\u901a\u77e5\uff08@AfterReturning\uff09\uff1a\u76f8\u5f53\u4e8elogReturn\uff0c\u5728\u76ee\u6807\u65b9\u6cd5\u6b63\u5e38\u8fd4\u56de\u4e4b\u540e\u8fd0\u884c
    \n– \u5f02\u5e38\u901a\u77e5\uff08@AfterThrowing\uff09\uff1a\u76f8\u5f53\u4e8elogException\uff0c\u5728\u76ee\u6807\u65b9\u6cd5\u8fd0\u884c\u51fa\u73b0\u5f02\u5e38\u4ee5\u540e\u8fd0\u884c
    \n– \u73af\u7ed5\u901a\u77e5\uff08@Around\uff09\uff1a\u5176\u662f\u4e00\u4e2a\u52a8\u6001\u4ee3\u7406\uff0c\u53ef\u4ee5\u624b\u52a8\u63a8\u8fdb\u76ee\u6807\u65b9\u6cd5\u8fd0\u884c\uff08joinPoint.proceed()\uff09\uff0c\u662f\u6700\u5e95\u5c42\u7684\u901a\u77e5<\/p>\n
    2.4. \u7ed9\u5207\u9762\u7c7b\u7684\u76ee\u6807\u65b9\u6cd5\u6807\u6ce8\u4f55\u65f6\u4f55\u5730\u8fd0\u884c\uff08\u6807\u5fd7\u901a\u77e5\u6ce8\u89e3\uff09<\/p>\n
    public class LogAspects {\n\n    \/\/ \u62bd\u53d6\u516c\u5171\u7684\u5207\u5165\u70b9\u8868\u8fbe\u5f0f\n    \/\/ 1\u3001\u5982\u679c\u662f\u672c\u7c7b\u5f15\u7528\uff0c\u5219@Pointcut\u7684\u503c\u4e0d\u5199\u4efb\u4f55\u5185\u5bb9\n    \/\/ 2\u3001\u5176\u4ed6\u7684\u5207\u9762\u5f15\u7528\uff0c\u5219@Pointcut\u8981\u5199execution(\u5207\u5165\u70b9\u8868\u8fbe\u5f0f\uff0c\u5373\u6307\u5b9a\u5728\u54ea\u4e2a\u65b9\u6cd5\u5207\u5165)\n    @Pointcut(\"execution(public int com.atguigu.aop.MathCalculator.*(..))\")\n    public void pointCut() {}\n\n    \/\/ @Before\u6ce8\u89e3\u662f\u6307\u5728\u76ee\u6807\u65b9\u6cd5\u4e4b\u524d\u5207\u5165\uff0c\u5176\u503c\u662f\u5207\u5165\u70b9\u8868\u8fbe\u5f0f\uff08\u6307\u5b9a\u5728\u54ea\u4e2a\u65b9\u6cd5\u5207\u5165\uff09\n    @Before(\"public int com.atguigu.aop.MathCalculator.*(..)\")\n    public void logStart() {\n        System.out.println(\"\u9664\u6cd5\u8fd0\u884c...\u53c2\u6570\u5217\u8868\u662f\uff1a{}\");\n    }\n\n    \/\/ @After\u6ce8\u89e3\u662f\u6307\u5728\u76ee\u6807\u65b9\u6cd5\u8fd0\u884c\u7ed3\u675f\u4e4b\u540e\u5207\u5165\n    @After(\"pointCut()\")\n    public void logEnd() {\n        System.out.println(\"\u9664\u6cd5\u7ed3\u675f...\");\n    }\n\n    \/\/ @AfterReturning\u6ce8\u89e3\u662f\u6307\u5728\u76ee\u6807\u65b9\u6cd5\u6b63\u5e38\u8fd4\u56de\u4e4b\u540e\u5207\u5165\n    @AfterReturning(\"pointCut()\")\n    public void logReturn() {\n        System.out.println(\"\u9664\u6cd5\u6b63\u5e38\u8fd4\u56de...\u8fd0\u884c\u7ed3\u679c\uff1a{}\");\n    }\n\n    \/\/ @AfterThrowing\u6ce8\u89e3\u662f\u6307\u5728\u76ee\u6807\u65b9\u6cd5\u51fa\u73b0\u5f02\u5e38\u4e4b\u540e\u5207\u5165\n    @AfterThrowing(\"pointCut()\")\n    public void logException() {\n        System.out.println(\"\u9664\u6cd5\u5f02\u5e38...\u5f02\u5e38\u4fe1\u606f\uff1a{}\");\n    }\n}\n<\/code><\/pre>\n
    2.5. \u5c06\u5207\u9762\u7c7b\u548c\u4e1a\u52a1\u903b\u8f91\u7c7b\uff08\u76ee\u6807\u65b9\u6cd5\u6240\u5728\u7c7b\uff09\u90fd\u52a0\u5165\u5230\u5bb9\u5668\u4e2d<\/p>\n
    @Configuration\npublic class MainConfigOfAOP {\n\n    \/\/ \u5c06\u4e1a\u52a1\u903b\u8f91\u7c7b\u52a0\u5165\u5bb9\u5668\u4e2d\n    @Bean\n    public MathCalculator mathCalculator() {\n        return new MathCalculator();\n    }\n\n    \/\/ \u5c06\u5207\u9762\u7c7b\u52a0\u5165\u5bb9\u5668\u4e2d\n    @Bean\n    public LogAspects logAspects() {\n        return new LogAspects();\n    }\n}\n\n<\/code><\/pre>\n
    2.6. \u5fc5\u987b\u544a\u8bc9Sring\u54ea\u4e2a\u7c7b\u662f\u5207\u9762\u7c7b\uff0c\u7ed9\u5207\u9762\u7c7b\u4e0a\u52a0\u4e0a@Aspect\u6ce8\u89e3<\/p>\n
    @Aspect\npublic class LogAspects {\n    \/\/ ...\n}\n<\/code><\/pre>\n
    2.7. \u7ed9\u914d\u7f6e\u7c7b\u4e0a\u52a0@EnableAspectJAutoProxy\u6ce8\u89e3\uff0c\u5f00\u542f\u57fa\u4e8e\u6ce8\u89e3\u7684AOP\u6a21\u5f0f<\/p>\n
    @EnableAspectJAutoProxy\n@Configuration\npublic class MainConfigOfAOP {\n    \/\/ ...\n}\n<\/code><\/pre>\n
    \u82e5\u662f\u4f7f\u7528xml\u914d\u7f6e\u6587\u4ef6\uff0c\u5219\u9700\u8981\u5728xml\u914d\u7f6e\u6587\u4ef6\u4e2d\u5199\u5165\u4ee5\u4e0b\u4ee3\u7801<\/p>\n
    <!--    \u5f00\u542f\u57fa\u4e8e\u7248\u7684\u5207\u9762\u529f\u80fd-->\n<aop:aspectj-autoproxy><\/aop:aspectj-autoproxy>\n<\/code><\/pre>\n
    2.8. \u82e5\u60f3\u5728\u4f7f\u7528Bean\u65f6\u89e6\u53d1AOP\uff0c\u4e0d\u80fd\u4f7f\u7528\u81ea\u5df1\u5728\u4ee3\u7801\u4e2d\u521b\u5efa\u7684\u5bf9\u8c61\uff0c\u9700\u8981\u4f7f\u7528Spring\u8ba9\u5176\u4e2d\u7684\u7ec4\u4ef6\u624d\u80fd\u89e6\u53d1
    \n2.9. \u4f7f\u7528Spring AOP\u6700\u91cd\u8981\u4e09\u6b65\u603b\u7ed3\uff1a
    \n– \u5c06\u4e1a\u52a1\u903b\u8f91\u7ec4\u4ef6\u548c\u5207\u9762\u7c7b\u90fd\u52a0\u5165\u5230\u5bb9\u5668\u4e2d\uff0c\u5e76\u544a\u8bc9Spring\u54ea\u4e2a\u662f\u5207\u9762\u7c7b\uff08@Aspect\u6ce8\u89e3\uff09
    \n– \u5728\u5207\u9762\u7c7b\u4e0a\u7684\u6bcf\u4e00\u4e2a\u901a\u77e5\u65b9\u6cd5\u4e0a\u6807\u6ce8\u901a\u77e5\u6ce8\u89e3\uff0c\u544a\u8bc9Spring\u4f55\u65f6\u4f55\u5730\u8fd0\u884c\uff08\u5207\u5165\u70b9\u8868\u8fbe\u5f0f\uff09
    \n– \u5f00\u542f\u57fa\u4e8e\u6ce8\u89e3\u7684AOP\u6a21\u5f0f\uff08@EnableAspectJAutoProxy\u6ce8\u89e3\uff09<\/p>\n  \n  \n  ","protected":false},"excerpt":{"rendered":"
    \u89c6\u9891\u5730\u5740\uff1ahttps:\/\/www.bilibili.com\/video\/BV1oW41167AV \u5bf9\u5e94\u4ee3\u7801Gi…Continue reading \u300aB\u7ad9-Spring\u6e90\u7801\u89e3\u6790\u300b\u5b66\u4e60\u7b14\u8bb0\uff08\u4e94\uff09\u2014\u2014AOP\u529f\u80fd\u6d4b\u8bd5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[45,35],"class_list":["post-378","post","type-post","status-publish","format-standard","hentry","category-32","tag-aop","tag-spring"],"_links":{"self":[{"href":"https:\/\/www.softeng.cn\/index.php?rest_route=\/wp\/v2\/posts\/378"}],"collection":[{"href":"https:\/\/www.softeng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.softeng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.softeng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.softeng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=378"}],"version-history":[{"count":1,"href":"https:\/\/www.softeng.cn\/index.php?rest_route=\/wp\/v2\/posts\/378\/revisions"}],"predecessor-version":[{"id":379,"href":"https:\/\/www.softeng.cn\/index.php?rest_route=\/wp\/v2\/posts\/378\/revisions\/379"}],"wp:attachment":[{"href":"https:\/\/www.softeng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.softeng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.softeng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}