{"id":315,"date":"2023-02-24T22:30:35","date_gmt":"2023-02-24T14:30:35","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=315"},"modified":"2023-04-30T15:00:06","modified_gmt":"2023-04-30T07:00:06","slug":"spring-aop-five-notification-types","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/24\/spring-aop-five-notification-types\/","title":{"rendered":"Spring AOP \u4e94\u5927\u901a\u77e5\u7c7b\u578b"},"content":{"rendered":"

\u524d\u7f6e\u901a\u77e5<\/h2>\n

\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u6267\u884c\u6267\u884c\u7684\u901a\u77e5<\/strong><\/p>\n

\u524d\u7f6e\u901a\u77e5\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6ca1\u6709\u53c2\u6570\uff0c\u4e5f\u53ef\u4ee5\u989d\u5916\u63a5\u6536\u4e00\u4e2aJoinPoint\uff0cSpring\u4f1a\u81ea\u52a8\u5c06\u8be5\u5bf9\u8c61\u4f20\u5165\uff0c\u4ee3\u8868\u5f53\u524d\u7684\u8fde\u63a5\u70b9\uff0c\u901a\u8fc7\u8be5\u5bf9\u8c61\u53ef\u4ee5\u83b7\u53d6\u76ee\u6807\u5bf9\u8c61\u548c\u76ee\u6807\u65b9\u6cd5\u76f8\u5173\u7684\u4fe1\u606f<\/strong><\/p>\n

<\/p>\n

\u6ce8\u610f\uff0c\u5982\u679c\u63a5\u6536JoinPoint\uff0c\u5fc5\u987b\u4fdd\u8bc1\u5176\u4e3a\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570<\/strong>\uff0c\u5426\u5219\u62a5\u9519<\/p>\n

\u914d\u7f6e\u65b9\u5f0f\uff1a<\/p>\n

<?xml version="1.0" encoding="UTF-8"?>\n<beans xmlns="http:\/\/www.springframework.org\/schema\/beans" \n    xmlns:context="http:\/\/www.springframework.org\/schema\/context"\n    xmlns:aop="http:\/\/www.springframework.org\/schema\/aop"\n    xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance" \n    xsi:schemaLocation="\n    http:\/\/www.springframework.org\/schema\/beans \n    http:\/\/www.springframework.org\/schema\/beans\/spring-beans-3.2.xsd\n    http:\/\/www.springframework.org\/schema\/context\n    http:\/\/www.springframework.org\/schema\/context\/spring-context-3.2.xsd\n    http:\/\/www.springframework.org\/schema\/aop\n    http:\/\/www.springframework.org\/schema\/aop\/spring-aop-3.2.xsd">\n\n    <context:annotation-config><\/context:annotation-config>\n    <context:component-scan base-package="cn.tedu.service,cn.tedu.aop"><\/context:component-scan>\n\n    <aop:config proxy-target-class="true">\n        <!-- \u914d\u7f6e\u5207\u5165\u70b9  -->\n        <aop:pointcut \n            expression="execution(* cn.tedu.service.UserServiceImpl.addUser(..))" \n            id="mypointcut"\/>\n\n        <!-- \u914d\u7f6e\u5207\u9762 -->\n        <aop:aspect ref="firstAspect">\n            <!-- \u524d\u7f6e\u901a\u77e5 -->\n            <aop:before method="before" pointcut-ref="mypointcut"\/>\n        <\/aop:aspect>\n    <\/aop:config>\n<\/beans><\/code><\/pre>\n
package cn.tedu.service;\n\nimport org.springframework.stereotype.Service;\n\n\/**\n * UserServiceImple:\u76ee\u6807\u5bf9\u8c61\n *\/\n@Service("userService")\npublic class UserServiceImple implements UserService {\n\n    @Override\n    public void addUser(String name) {\n        System.out.println("\u589e\u52a0\u7528\u6237");\n    }\n\n    @Override\n    public void updateUser() {\n        System.out.println("\u4fee\u6539\u7528\u6237");\n    }\n\n    @Override\n    public void deleteUser() {\n        System.out.println("\u5220\u9664\u7528\u6237");\n    }\n\n    @Override\n    public void query() {\n        System.out.println("\u67e5\u8be2\u7528\u6237");\n    }\n}<\/code><\/pre>\n
package cn.tedu.aop;\n\nimport org.aspectj.lang.JoinPoint;\nimport org.aspectj.lang.Signature;\nimport org.springframework.stereotype.Component;\n\n\/**\n * FirstAspect:\u5207\u9762\u4ee3\u7801\n *\/\n@Component\npublic class FirstAspect {\n    public void before(JoinPoint jp) { \/\/ \u53ef\u4ee5\u9009\u62e9\u989d\u5916\u7684\u4f20\u5165\u4e00\u4e2aJoinPoint\u8fde\u63a5\u70b9\u5bf9\u8c61\uff0c\u5fc5\u987b\u7528\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u63a5\u6536\n        Class clz = jp.getTarget().getClass();\n        Signature signature = jp.getSignature(); \/\/ \u901a\u8fc7JoinPoint\u5bf9\u8c61\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\n        String name = signature.getName();\n        System.out.println("1 -- before...["+clz+"]...["+name+"]...");\n    }\n}<\/code><\/pre>\n
package cn.tedu.test;\n\nimport org.junit.Test;\nimport org.springframework.context.ApplicationContext;\nimport org.springframework.context.support.ClassPathXmlApplicationContext;\n\nimport cn.tedu.service.UserService;\n\n\/**\n * AOPTest\uff1a\u6d4b\u8bd5\u4ee3\u7801\n *\/\npublic class AOPTest {\n    @Test\n    public void test01() {\n        ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");\n        UserService userService = (UserService) context.getBean("userService");\n        userService.addUser("Joe"); \/\/ \u4e00\u4e2a\u8fde\u63a5\u70b9\n    }\n}<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1 -- before...[class cn.tedu.service.UserServiceImple]...[addUser]...\n\u589e\u52a0\u7528\u6237<\/code><\/pre>\n
\u73af\u7ed5\u901a\u77e5<\/h2>\n
\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u548c\u4e4b\u540e\u90fd\u53ef\u4ee5\u6267\u884c\u989d\u5916\u4ee3\u7801\u7684\u901a\u77e5<\/strong><\/p>\n
\u5728\u73af\u7ed5\u901a\u77e5\u4e2d\u5fc5\u987b\u663e\u5f0f\u7684\u8c03\u7528\u76ee\u6807\u65b9\u6cd5<\/strong>\uff0c\u76ee\u6807\u65b9\u6cd5\u624d\u4f1a\u6267\u884c\uff0c\u8fd9\u4e2a\u663e\u5f0f\u8c03\u7528\u65f6\u901a\u8fc7ProceedingJoinPoint\u6765\u5b9e\u73b0<\/strong>\u7684\uff0c\u53ef\u4ee5\u5728\u73af\u7ed5\u901a\u77e5\u4e2d\u63a5\u6536\u4e00\u4e2a\u6b64\u7c7b\u578b\u7684\u5f62\u53c2\uff0cSpring\u5bb9\u5668\u4f1a\u81ea\u52a8\u5c06\u8be5\u5bf9\u8c61\u4f20\u5165\uff0c\u6ce8\u610f\u8fd9\u4e2a\u53c2\u6570\u5fc5\u987b\u5904\u5728\u73af\u7ed5\u901a\u77e5\u7684\u7b2c\u4e00\u4e2a\u5f62\u53c2\u4f4d\u7f6e<\/strong><\/p>\n
\n
\u8981\u6ce8\u610f\uff0c\u53ea\u6709\u73af\u7ed5\u901a\u77e5\u53ef\u4ee5\u63a5\u6536ProceedingJoinPoint<\/code>\uff0c\u800c\u5176\u4ed6\u901a\u77e5\u53ea\u80fd\u63a5\u6536JoinPoint<\/code><\/p>\n<\/blockquote>\n
\u73af\u7ed5\u901a\u77e5\u9700\u8981\u8fd4\u56de\u503c\uff0c\u5426\u5219\u771f\u6b63\u8c03\u7528\u8005\u5c06\u62ff\u4e0d\u5230\u8fd4\u56de\u503c\uff0c\u53ea\u80fd\u5f97\u5230\u4e00\u4e2anull<\/strong><\/p>\n
\u73af\u7ed5\u901a\u77e5\u6709\u63a7\u5236\u76ee\u6807\u65b9\u6cd5\u662f\u5426\u6267\u884c\u3001\u6709\u63a7\u5236\u662f\u5426\u8fd4\u56de\u503c\u3001\u6709\u6539\u53d8\u8fd4\u56de\u503c\u7684\u80fd\u529b<\/p>\n
\u73af\u7ed5\u901a\u77e5\u867d\u7136\u6709\u8fd9\u6837\u7684\u80fd\u529b\uff0c\u4f46\u4e00\u5b9a\u8981\u614e\u7528\uff0c\u4e0d\u662f\u6280\u672f\u4e0a\u4e0d\u53ef\u884c\uff0c\u800c\u662f\u8981\u5c0f\u5fc3\u4e0d\u8981\u7834\u574f\u4e86\u8f6f\u4ef6\u5206\u5c42\u7684\u201c\u9ad8\u5185\u805a \u4f4e\u8026\u5408\u201d\u7684\u76ee\u6807<\/p>\n
\u914d\u7f6e\u65b9\u5f0f\uff1a<\/p>\n
<\/p>\n
<aop:around method="around" pointcut-ref="mypointcut"\/><\/code><\/pre>\n
public Object around(ProceedingJoinPoint jp) throws Throwable {\n    System.out.println("1 -- around before...");\n    Object obj = jp.proceed(); \/\/--\u663e\u5f0f\u7684\u8c03\u7528\u76ee\u6807\u65b9\u6cd5\n    System.out.println("1 -- around after...");\n    return obj;\n}<\/code><\/pre>\n
\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n
1 -- around before...\n\u589e\u52a0\u7528\u6237\n1 -- around after...<\/code><\/pre>\n
\u540e\u7f6e\u901a\u77e5<\/h2>\n
\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u540e\u6267\u884c\u7684\u901a\u77e5<\/strong><\/p>\n
\u5728\u540e\u7f6e\u901a\u77e5\u4e2d\u4e5f\u53ef\u4ee5\u9009\u62e9\u6027\u7684\u63a5\u6536\u4e00\u4e2aJoinPoint<\/strong>\u6765\u83b7\u53d6\u8fde\u63a5\u70b9\u7684\u989d\u5916\u4fe1\u606f\uff0c\u4f46\u662f\u8fd9\u4e2a\u53c2\u6570\u5fc5\u987b\u5904\u5728\u53c2\u6570\u5217\u8868\u7684\u7b2c\u4e00\u4e2a<\/strong><\/p>\n
\u914d\u7f6e\u65b9\u5f0f\uff1a<\/p>\n
<!-- \u540e\u7f6e\u901a\u77e5 -->\n<aop:after-returning method="afterReturn" pointcut-ref="mypointcut"\/><\/code><\/pre>\n
public void afterReturn(JoinPoint jp) {\n    Class clz = jp.getTarget().getClass();\n    Signature signature = jp.getSignature(); \n    String name = signature.getName();\n    System.out.println("1 -- afterReturn...["+clz+"]...["+name+"]...");\n}<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1 -- before...[class cn.tedu.service.UserServiceImple]...[addUser]...\n1 -- around before...\n\u589e\u52a0\u7528\u6237\n1 -- around after...\n1 -- afterReturn...[class cn.tedu.service.UserServiceImple]...[addUser]...<\/code><\/pre>\n
\u5728\u540e\u7f6e\u901a\u77e5\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u83b7\u53d6\u8fd4\u56de\u503c<\/strong><\/p>\n
\u4e00\u5b9a\u8981\u4fdd\u8bc1JoinPoint\u5904\u5728\u53c2\u6570\u5217\u8868\u7684\u7b2c\u4e00\u4f4d\uff0c\u5426\u5219\u629b\u5f02\u5e38<\/strong><\/p>\n
\u914d\u7f6e\u65b9\u5f0f\uff1a<\/p>\n
<!-- \u540e\u7f6e\u901a\u77e5 -->\n<aop:after-returning method="afterReturn" pointcut-ref="mypointcut" returning="msg"\/><\/code><\/pre>\n
public void afterReturn(JoinPoint jp, Object msg) {\n    Class clz = jp.getTarget().getClass();\n    Signature signature = jp.getSignature(); \n    String name = signature.getName();\n    System.out.println("1 -- afterReturn...["+clz+"]...["+name+"]...["+msg+"]...");\n}<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1 -- before...[class cn.tedu.service.UserServiceImple]...[addUser]...\n1 -- around before...\n\u589e\u52a0\u7528\u6237\n1 -- around after...\n1 -- afterReturn...[class cn.tedu.service.UserServiceImple]...[addUser]...[Joe]...<\/code><\/pre>\n
\u5f02\u5e38\u901a\u77e5<\/h2>\n
\u5728\u76ee\u6807\u65b9\u6cd5\u629b\u51fa\u5f02\u5e38\u65f6\u6267\u884c\u7684\u901a\u77e5<\/strong><\/p>\n
\u53ef\u4ee5\u914d\u7f6e\u4f20\u5165JoinPoint\u83b7\u53d6\u76ee\u6807\u5bf9\u8c61\u548c\u76ee\u6807\u65b9\u6cd5\u76f8\u5173\u4fe1\u606f\uff0c\u4f46\u5fc5\u987b\u5904\u5728\u53c2\u6570\u5217\u8868\u7b2c\u4e00\u4f4d<\/p>\n
\u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u914d\u7f6e\u53c2\u6570\uff0c\u8ba9\u5f02\u5e38\u901a\u77e5\u53ef\u4ee5\u63a5\u6536\u5230\u76ee\u6807\u65b9\u6cd5\u629b\u51fa\u7684\u5f02\u5e38\u5bf9\u8c61<\/p>\n
\u914d\u7f6e\u65b9\u6cd5\uff1a<\/p>\n
<!-- \u5f02\u5e38\u901a\u77e5 -->\n<aop:after-throwing method="afterThrow" pointcut-ref="mypointcut" throwing="e"\/><\/code><\/pre>\n
public void afterThrow(JoinPoint jp,Throwable e) {\n    Class clz = jp.getTarget().getClass();\n    String name = jp.getSignature().getName();\n    System.out.println("1afterThrow..["+clz+"]..["+name+"].."+e.getMessage());\n}<\/code><\/pre>\n
\u4ee3\u7801\u62a5\u5f02\u5e38\u540e\uff0c\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1 -- before...[class cn.tedu.service.UserServiceImple]...[addUser]...\n1 -- around before...\n1 -- afterThrow..[class cn.tedu.service.UserServiceImple]..[addUser]..\/ by zero<\/code><\/pre>\n
\u6700\u7ec8\u901a\u77e5<\/h2>\n
\u662f\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u540e\u6267\u884c\u7684\u901a\u77e5<\/strong><\/p>\n
\u548c\u540e\u7f6e\u901a\u77e5\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff0c\u540e\u7f6e\u901a\u77e5\u662f\u5728\u65b9\u6cd5\u6b63\u5e38\u8fd4\u56de\u540e\u6267\u884c\u7684\u901a\u77e5\uff0c\u5982\u679c\u65b9\u6cd5\u6ca1\u6709\u6b63\u5e38\u8fd4-\u4f8b\u5982\u629b\u51fa\u5f02\u5e38\uff0c\u5219\u540e\u7f6e\u901a\u77e5\u4e0d\u4f1a\u6267\u884c<\/p>\n
\u800c\u6700\u7ec8\u901a\u77e5\u65e0\u8bba\u5982\u4f55\u90fd\u4f1a\u5728\u76ee\u6807\u65b9\u6cd5\u8c03\u7528\u8fc7\u540e\u6267\u884c\uff0c\u5373\u4f7f\u76ee\u6807\u65b9\u6cd5\u6ca1\u6709\u6b63\u5e38\u7684\u6267\u884c\u5b8c\u6210<\/strong><\/p>\n
\u53e6\u5916\uff0c\u540e\u7f6e\u901a\u77e5\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5f97\u5230\u8fd4\u56de\u503c\uff0c\u800c\u6700\u7ec8\u901a\u77e5\u65e0\u6cd5\u5f97\u5230<\/p>\n
\u6700\u7ec8\u901a\u77e5\u4e5f\u53ef\u4ee5\u989d\u5916\u63a5\u6536\u4e00\u4e2aJoinPoint\u53c2\u6570\uff0c\u6765\u83b7\u53d6\u76ee\u6807\u5bf9\u8c61\u548c\u76ee\u6807\u65b9\u6cd5\u76f8\u5173\u4fe1\u606f\uff0c\u4f46\u4e00\u5b9a\u8981\u4fdd\u8bc1\u5fc5\u987b\u662f\u7b2c\u4e00\u4e2a\u53c2\u6570<\/strong><\/p>\n
\u914d\u7f6e\u65b9\u5f0f\uff1a<\/p>\n
<!-- \u6700\u7ec8\u901a\u77e5 -->\n<aop:after method="after" pointcut-ref="mypointcut" \/><\/code><\/pre>\n
public void after(JoinPoint jp) {\n    Class clz = jp.getTarget().getClass();\n    String name = jp.getSignature().getName();\n    System.out.println("1 -- after..["+clz+"]..["+name+"]...");\n}<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1 -- before...[class cn.tedu.service.UserServiceImple]...[addUser]...\n1 -- around before...\n\u589e\u52a0\u7528\u6237\n1 -- around after...\n1 -- afterReturn...[class cn.tedu.service.UserServiceImple]...[addUser]...[Joe]...\n1 -- after..[class cn.tedu.service.UserServiceImple]..[addUser]...<\/code><\/pre>\n
\u6e90\u7801<\/h2>\n
applicationContext.xml<\/p>\n
<?xml version="1.0" encoding="UTF-8"?>\n<beans \n    xmlns="http:\/\/www.springframework.org\/schema\/beans" \n    xmlns:context="http:\/\/www.springframework.org\/schema\/context"\n    xmlns:aop="http:\/\/www.springframework.org\/schema\/aop"\n    xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance" \n    xsi:schemaLocation="http:\/\/www.springframework.org\/schema\/beans \n    http:\/\/www.springframework.org\/schema\/beans\/spring-beans-3.2.xsd\n    http:\/\/www.springframework.org\/schema\/context \n    http:\/\/www.springframework.org\/schema\/context\/spring-context-3.2.xsd\n    http:\/\/www.springframework.org\/schema\/aop \n    http:\/\/www.springframework.org\/schema\/aop\/spring-aop-3.2.xsd">\n\n    <context:annotation-config><\/context:annotation-config>\n    <context:component-scan base-package="cn.tedu.service,cn.tedu.aop"><\/context:component-scan>\n\n    <!-- proxy-target-class\u5c5e\u6027\u503c\u51b3\u5b9a\u662f\u57fa\u4e8e\u63a5\u53e3\u7684\u8fd8\u662f\u57fa\u4e8e\u7c7b\u7684\u4ee3\u7406\u88ab\u521b\u5efa -->\n    <aop:config proxy-target-class="true"> \n        <!-- \u914d\u7f6e\u5207\u5165\u70b9 -->\n        <aop:pointcut expression="execution(* cn.tedu.service.UserServiceImple.addUser(..))" id="mypointcut"\/>        \n\n        <!-- \u914d\u7f6e\u5207\u5165\u9762 -->\n        <aop:aspect ref="firstAspect">\n            <!-- \u524d\u7f6e\u901a\u77e5 -->    \n            <aop:before method="before" pointcut-ref="mypointcut"\/>\n\n            <!-- \u73af\u7ed5\u901a\u77e5 -->\n            <aop:around method="around" pointcut-ref="mypointcut"\/>\n\n            <!-- \u540e\u7f6e\u901a\u77e5 -->\n            <!-- <aop:after-returning method="afterReturn" pointcut-ref="mypointcut"\/> -->\n            <aop:after-returning method="afterReturn" pointcut-ref="mypointcut" returning="msg"\/>\n\n            <!-- \u5f02\u5e38\u901a\u77e5 -->\n            <aop:after-throwing method="afterThrow" pointcut-ref="mypointcut" throwing="e"\/>\n\n            <!-- \u6700\u7ec8\u901a\u77e5 -->\n            <aop:after method="after" pointcut-ref="mypointcut" \/>\n        <\/aop:aspect>\n\n    <\/aop:config>\n\n<\/beans><\/code><\/pre>\n
UserService.java<\/p>\n
package cn.tedu.service;\n\n\/**\n * \u63a5\u53e3\n *\/\npublic interface UserService {\n    public String addUser(String name);\n    public void updateUser();\n    public void deleteUser();\n    public void query();\n}<\/code><\/pre>\n
UserServiceImple.java<\/p>\n
package cn.tedu.service;\n\nimport org.springframework.stereotype.Service;\n\n\/**\n * UserServiceImple:\u76ee\u6807\u5bf9\u8c61\n *\/\n@Service("userService")\npublic class UserServiceImple implements UserService {\n\n    @Override\n    public  String addUser(String name) {\n        \/\/ int i = 1\/0;\n        System.out.println("\u589e\u52a0\u7528\u6237");\n        return "Joe";\n    }\n\n    @Override\n    public void updateUser() {\n        System.out.println("\u4fee\u6539\u7528\u6237");\n    }\n\n    @Override\n    public void deleteUser() {\n        System.out.println("\u5220\u9664\u7528\u6237");\n    }\n\n    @Override\n    public void query() {\n        System.out.println("\u67e5\u8be2\u7528\u6237");\n    }\n}<\/code><\/pre>\n
FirstAspect.java<\/p>\n
package cn.tedu.aop;\n\nimport org.aspectj.lang.JoinPoint;\nimport org.aspectj.lang.ProceedingJoinPoint;\nimport org.aspectj.lang.Signature;\nimport org.springframework.stereotype.Component;\n\/**\n * FirstAspect:\u5207\u9762\u4ee3\u7801\n *\/\n@Component\npublic class FirstAspect {\n    public void before(JoinPoint jp) { \/\/ \u53ef\u4ee5\u9009\u62e9\u989d\u5916\u7684\u4f20\u5165\u4e00\u4e2aJoinPoint\u8fde\u63a5\u70b9\u5bf9\u8c61\uff0c\u5fc5\u987b\u7528\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u63a5\u6536\u3002\n        Class clz = jp.getTarget().getClass();\n        Signature signature = jp.getSignature(); \/\/ \u901a\u8fc7JoinPoint\u5bf9\u8c61\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\n        String name = signature.getName();\n        System.out.println("1 -- before...["+clz+"]...["+name+"]...");\n    }\n\n    public Object around(ProceedingJoinPoint jp) throws Throwable {\n        System.out.println("1 -- around before...");\n        Object obj = jp.proceed(); \/\/--\u663e\u5f0f\u7684\u8c03\u7528\u76ee\u6807\u65b9\u6cd5\n        System.out.println("1 -- around after...");\n        return obj;\n    }\n\n    public void afterReturn(JoinPoint jp, Object msg) {\n        Class clz = jp.getTarget().getClass();\n        Signature signature = jp.getSignature(); \n        String name = signature.getName();\n        System.out.println("1 -- afterReturn...["+clz+"]...["+name+"]...["+msg+"]...");\n    }\n\n    public void afterThrow(JoinPoint jp, Throwable e) {\n        Class clz = jp.getTarget().getClass();\n        String name = jp.getSignature().getName();\n        System.out.println("1 -- afterThrow..["+clz+"]..["+name+"].."+e.getMessage());\n    }\n\n    public void after(JoinPoint jp) {\n        Class clz = jp.getTarget().getClass();\n        String name = jp.getSignature().getName();\n        System.out.println("1 -- after..["+clz+"]..["+name+"]...");\n    }\n}<\/code><\/pre>\n
AOPTes.java<\/p>\n
package cn.tedu.test;\n\nimport org.junit.Test;\nimport org.springframework.context.ApplicationContext;\nimport org.springframework.context.support.ClassPathXmlApplicationContext;\n\nimport cn.tedu.service.UserService;\n\n\/**\n * AOPTest\uff1a\u6d4b\u8bd5\u4ee3\u7801\n *\/\npublic class AOPTest {\n    @Test\n    public void test01(){\n        ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");\n        UserService userService = (UserService) context.getBean("userService");\n        String result = userService.addUser("Joe"); \/\/ \u4e00\u4e2a\u8fde\u63a5\u70b9\n        System.out.println(result);\n    }\n}<\/code><\/pre>\n
\u4e94\u79cd\u901a\u77e5\u7684\u6267\u884c\u987a\u5e8f<\/h2>\n
\u5728\u76ee\u6807\u65b9\u6cd5\u6ca1\u6709\u629b\u51fa\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b<\/h3>\n
    \n
  • \u524d\u7f6e\u901a\u77e5<\/li>\n
  • \u73af\u7ed5\u901a\u77e5\u7684\u8c03\u7528\u76ee\u6807\u65b9\u6cd5\u4e4b\u524d\u7684\u4ee3\u7801<\/li>\n
  • \u76ee\u6807\u65b9\u6cd5<\/li>\n
  • \u73af\u7ed5\u901a\u77e5\u7684\u8c03\u7528\u76ee\u6807\u65b9\u6cd5\u4e4b\u540e\u7684\u4ee3\u7801<\/li>\n
  • \u540e\u7f6e\u901a\u77e5<\/li>\n
  • \u6700\u7ec8\u901a\u77e5<\/li>\n<\/ul>\n
    \u5728\u76ee\u6807\u65b9\u6cd5\u629b\u51fa\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b<\/h3>\n
      \n
    • \u524d\u7f6e\u901a\u77e5<\/li>\n
    • \u73af\u7ed5\u901a\u77e5\u7684\u8c03\u7528\u76ee\u6807\u65b9\u6cd5\u4e4b\u524d\u7684\u4ee3\u7801<\/li>\n
    • \u76ee\u6807\u65b9\u6cd5<\/li>\n
    • \u629b\u51fa\u5f02\u5e38<\/li>\n
    • \u5f02\u5e38\u901a\u77e5<\/li>\n
    • \u6700\u7ec8\u901a\u77e5<\/li>\n<\/ul>\n
      \u5982\u679c\u5b58\u5728\u591a\u4e2a\u5207\u9762<\/h3>\n
      \u591a\u5207\u9762\u6267\u884c\u65f6\uff0c\u91c7\u7528\u4e86\u8d23\u4efb\u94fe\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/p>\n
      \u5207\u9762\u7684\u914d\u7f6e\u987a\u5e8f\u51b3\u5b9a\u4e86\u5207\u9762\u7684\u6267\u884c\u987a\u5e8f\uff0c\u591a\u4e2a\u5207\u9762\u6267\u884c\u7684\u8fc7\u7a0b\uff0c\u7c7b\u4f3c\u4e8e\u65b9\u6cd5\u8c03\u7528\u7684\u8fc7\u7a0b\uff0c\u5728\u73af\u7ed5\u901a\u77e5\u7684proceed()\u6267\u884c\u65f6\uff0c\u53bb\u6267\u884c\u4e0b\u4e00\u4e2a\u5207\u9762\uff08\u5982\u679c\u6ca1\u6709\u4e0b\u4e00\u4e2a\u5207\u9762\uff0c\u5219\u6267\u884c\u76ee\u6807\u65b9\u6cd5\uff09\uff0c\u4ece\u800c\u8fbe\u6210\u4e86\u5982\u4e0b\u7684\u6267\u884c\u8fc7\u7a0b\uff1a<\/p>\n
      \"\u76ee\u6807\u65b9\u6cd5\u6ca1\u6709\u629b\u51fa\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b\u591a\u5207\u9762\u6267\u884c\u6d41\u7a0b\"<\/p>\n
      \u5982\u679c\u76ee\u6807\u65b9\u6cd5\u629b\u51fa\u5f02\u5e38\uff1a<\/p>\n
      \"\u76ee\u6807\u65b9\u6cd5\u629b\u51fa\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b\u591a\u5207\u9762\u6267\u884c\u6d41\u7a0b\"<\/p>\n
      \u4e94\u79cd\u901a\u77e5\u7684\u5e38\u89c1\u4f7f\u7528\u573a\u666f<\/h2>\n
        \n
      • \u73af\u7ed5\u901a\u77e5\uff1a\u63a7\u5236\u4e8b\u52a1\u3001\u6743\u9650\u63a7\u5236<\/li>\n
      • \u540e\u7f6e\u901a\u77e5\uff1a\u8bb0\u5f55\u65e5\u5fd7\uff08\u65b9\u6cd5\u5df2\u7ecf\u6210\u529f\u8c03\u7528\uff09<\/li>\n
      • \u5f02\u5e38\u901a\u77e5\uff1a\u5f02\u5e38\u5904\u7406\u3001\u63a7\u5236\u4e8b\u52a1<\/li>\n
      • \u6700\u7ec8\u901a\u77e5\uff1a\u8bb0\u5f55\u65e5\u5fd7\uff08\u65b9\u6cd5\u5df2\u7ecf\u8c03\u7528\uff0c\u4f46\u4e0d\u4e00\u5b9a\u6210\u529f\uff09<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
        \u524d\u7f6e\u901a\u77e5 \u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u6267\u884c\u6267\u884c\u7684\u901a\u77e5 \u524d\u7f6e\u901a\u77e5\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6ca1\u6709\u53c2\u6570\uff0c\u4e5f\u53ef\u4ee5\u989d\u5916\u63a5\u6536\u4e00\u4e2aJoinPoint\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[100],"class_list":["post-315","post","type-post","status-publish","format-standard","hentry","category-spring-framework","tag-aop"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=315"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/315\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}