{"id":228,"date":"2022-03-07T15:11:53","date_gmt":"2022-03-07T07:11:53","guid":{"rendered":"https:\/\/www.fengjijiao.cn\/?p=228"},"modified":"2022-03-07T15:15:54","modified_gmt":"2022-03-07T07:15:54","slug":"pointcut%e7%9a%8412%e7%a7%8d%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.fengjijiao.cn\/?p=228","title":{"rendered":"@Pointcut\u768412\u79cd\u7528\u6cd5"},"content":{"rendered":"\n

1.execution<\/h2>\n\n\n\n

\u4f7f\u7528execution(\u65b9\u6cd5\u8868\u8fbe\u5f0f)\u5339\u914d\u65b9\u6cd5\u7684\u6267\u884c\u3002<\/p>\n\n\n\n

2.within<\/h2>\n\n\n\n

\u7528\u6cd5\uff1awithin(\u7c7b\u578b\u8868\u8fbe\u5f0f)<\/p>\n\n\n\n

\u76ee\u6807\u5bf9\u8c61target\u7684\u7c7b\u578b\u662f\u5426\u548cwithin\u4e2d\u6307\u5b9a\u7684\u7c7b\u578b\u5339\u914d\u3002<\/p>\n\n\n\n

\u76f8\u5f53\u4e8e\uff1atarget.getClass().equals(within\u4e2d\u6307\u5b9a\u7684\u7c7b\u578b);<\/p>\n\n\n\n

3.this<\/h2>\n\n\n\n

\u7528\u6cd5\uff1athis(\u7c7b\u578b\u5168\u9650\u5b9a\u540d)<\/p>\n\n\n\n

\u901a\u8fc7aop\u521b\u5efa\u7684\u4ee3\u7406\u5bf9\u8c61proxy\u7684\u7c7b\u578b<\/mark>\u662f\u5426\u548cthis\u4e2d\u6307\u5b9a\u7684\u7c7b\u578b\u5339\u914d\uff1b<\/p>\n\n\n\n

this(x)\uff0c\u76f8\u5f53\u4e8e\uff1ax.getClass().isAssignableFrom(proxy.getClass());<\/p>\n\n\n\n

4.target<\/h2>\n\n\n\n

\u7528\u6cd5\uff1atarget(\u7c7b\u578b\u5168\u9650\u5b9a\u540d)<\/p>\n\n\n\n

\u5224\u65ad\u76ee\u6807\u5bf9\u8c61target\u7684\u7c7b\u578b<\/mark>\u662f\u5426\u548c\u6307\u5b9a\u7684\u7c7b\u578b\u5339\u914d\uff1b<\/p>\n\n\n\n

target(x)\uff0c\u76f8\u5f53\u4e8e\uff1ax.getClass().isAssignableFrom(target.getClass());<\/p>\n\n\n\n

5.args<\/h2>\n\n\n\n

\u7528\u6cd5\uff1aargs(\u53c2\u6570\u7c7b\u578b\u5217\u8868)<\/p>\n\n\n\n

\u5339\u914d\u6267\u884c\u7684\u65b9\u6cd5\u4f20\u5165\u7684\u53c2\u6570\u7c7b\u578b<\/mark>\uff08\u975e\u65b9\u6cd5\u7b7e\u540d\u7684\u53c2\u6570\u7c7b\u578b\uff09\u662f\u5426\u4e3aargs\u4e2d\u6307\u5b9a\u7684\u4e00\u81f4\uff1b\u5c5e\u4e8e\u52a8\u6001\u5207\u5165\u70b9\uff08\u6267\u884c\u65b9\u6cd5\u7684\u65f6\u5019\u8fdb\u884c\u5224\u65ad\uff09\uff0c\u5f00\u9500\u975e\u5e38\u5927<\/mark>\u3002<\/p>\n\n\n\n

6.@within<\/h2>\n\n\n\n

\u7528\u6cd5\uff1a@within(\u6ce8\u89e3\u7c7b\u578b)<\/p>\n\n\n\n

\u5339\u914d\u5305\u542b@within\u4e2d\u6307\u5b9a\u7684\u6ce8\u89e3\u7684\u7c7b\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n

@OK\npublic class UserModel {\n    private String name;\n    public void setName(String name) {\n        this.name = name;\n    }\n    public String getName() {\n        return name;\n    }\n}<\/code><\/pre>\n\n\n\n
\u53ef\u901a\u8fc7@within(OK)\u6765\u5339\u914dUserModel\u7684\u5185\u5b9a\u4e49\u7684\u65b9\u6cd5\uff08setName\u3001getName\uff09\u3002<\/p>\n\n\n\n
@within(X)\uff0c\u76f8\u5f53\u4e8e\uff1a\u88ab\u8c03\u7528\u7684\u76ee\u6807\u65b9\u6cd5Method\u5bf9\u8c61.getDeclaringClass()<\/mark>.getAnnotation(X.class) != null;<\/p>\n\n\n\n
7.@target<\/h2>\n\n\n\n
\u7528\u6cd5\uff1atarget(\u6ce8\u89e3\u7c7b\u578b)<\/p>\n\n\n\n
\u5339\u914d\u76ee\u6807\u5bf9\u8c61target\u7684\u7c7b\u4e0a\u6709\u6307\u5b9a\u6ce8\u89e3\u3002<\/p>\n\n\n\n
target(X)\uff0c\u76f8\u5f53\u4e8e\uff1atarget.class.getAnnotation(X.class) != null;<\/p>\n\n\n\n
8.@args<\/h2>\n\n\n\n
\u7528\u6cd5\uff1a@args(\u6ce8\u89e3\u7c7b\u578b)<\/p>\n\n\n\n
\u5339\u914d\u65b9\u6cd5\u53c2\u6570\u6240\u5c5e\u7c7b\u4e0a<\/mark>\uff08\u4e0d\u662f\u53c2\u6570\u4e0a\uff09\u6709\u6307\u5b9a\u7684\u6ce8\u89e3\uff1b<\/p>\n\n\n\n
9.@annotation<\/h2>\n\n\n\n
\u7528\u6cd5\uff1a@annotation(\u6ce8\u89e3\u7c7b\u578b)<\/p>\n\n\n\n
\u5339\u914d\u88ab\u8c03\u7528\u7684\u65b9\u6cd5\u4e0a\u6709\u6307\u5b9a\u7684\u6ce8\u89e3\u3002<\/p>\n\n\n\n
10.bean<\/h2>\n\n\n\n
\u7528\u6cd5\uff1abean(bean\u540d\u79f0)<\/p>\n\n\n\n
\u5339\u914dspring\u5bb9\u5668\u4e2d\u6307\u5b9a\u540d\u79f0\u7684bean\u3002<\/p>\n\n\n\n
11.reference pointcut<\/h2>\n\n\n\n
\u8868\u793a\u5f15\u7528\u5176\u4ed6\u547d\u540d\u5207\u5165\u70b9\u3002<\/p>\n\n\n\n
12.\u7ec4\u5408\u578b\u7684pointcut<\/h2>\n\n\n\n
pointcut\u5b9a\u4e49\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528&&\u3001||\u3001!\u8fd0\u7b97\u7b26\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
1.execution \u4f7f\u7528execution(\u65b9\u6cd5\u8868\u8fbe\u5f0f)\u5339\u914d\u65b9\u6cd5\u7684\u6267\u884c\u3002 2.within \u7528\u6cd5\uff1awith […]<\/p>\n","protected":false},"author":1,"featured_media":236,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[12],"tags":[13,14],"_links":{"self":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts\/228"}],"collection":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=228"}],"version-history":[{"count":6,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts\/228\/revisions"}],"predecessor-version":[{"id":235,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts\/228\/revisions\/235"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/media\/236"}],"wp:attachment":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}