\u8fd9\u4e24\u4e2a\u6982\u5ff5\u57fa\u672c\u4e0a\u662f\u4e00\u4e2a\u8bbe\u8ba1\u5c42\u7684\u6982\u5ff5\uff0c\u4e3b\u8981\u8bb2\u7684\u5c31\u662f\u600e\u4e48\u53bb\u5206\u79bb\u5173\u6ce8\uff0c\u7528\u9762\u5411<\/p>\n
\u5bf9\u8c61\u7684\u8bdd\u8bf4\uff0c\u5c31\u662f\u600e\u4e48\u628a\u804c\u8d23\u8fdb\u884c\u5206\u79bb\u3002\u800c\u8fd9\u4e24\u4e2a\u6a21\u5f0f\uff0c\u6211\u4e2a\u4eba\u8ba4\u4e3a\u90fd\u6709\u4e00\u4e2a\u5171<\/p>\n
\u540c\u70b9\uff0c\u5c31\u662f\u53d8\u4ee5\u524d\u7684\u4e3b\u52a8\u4e3a\u88ab\u52a8\uff0c\u800c\u6211\u8ba4\u4e3a\uff0c\u8fd9\u79cd\u6539\u53d8\u53ef\u80fd\u4e5f\u662f\u5c06\u6765\u9762\u5411\u5bf9\u8c61\u53d1<\/p>\n
\u5c55\u7684\u4e00\u4e2a\u8d8b\u52bf\u3002<\/p>\n
\u9996\u5148\u8bf4\u8bf4\u4ec0\u4e48\u53eb\u4e3b\u52a8\u3002\u5199\u8fc7\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u7684\u4eba\u90fd\u77e5\u9053\uff0c\u9762\u5411\u5bf9\u8c61\u4e0e\u9762\u5411\u8fc7\u7a0b\u7684\u533a<\/p>\n
\u522b\u5c31\u662f\uff0c\u9762\u5411\u5bf9\u8c61\u662f\u7531\u4e00\u5927\u5806\u5bf9\u8c61\u7ec4\u6210\u7684\uff0c\u5bf9\u8c61\u901a\u8fc7\u534f\u4f5c\u5b8c\u6210\u9762\u5411\u8fc7\u7a0b\u4e2d\u7684\u4efb\u52a1<\/p>\n
\u3002\u5047\u8bbe\u73b0\u5728\u6709\u5bf9\u8c61A\u548cB\uff0c\u90a3\u4e48\u5f53A\u9700\u8981\u4f7f\u7528B\u4e2d\u7684\u65b9\u6cd5\u65f6\uff0c\u90a3\u4e48\u5728A\u5185\u90e8\uff0c\u5c31\u4f1a\u6709\u6709<\/p>\n
\u4e00\u4e2a\u5bf9B\u65b9\u6cd5\u7684\u8c03\u7528\uff0c\u8fd9\u79cd\u8c03\u7528\u5c31\u79f0\u4e3a\u4e3b\u52a8\u8c03\u7528\u3002\u4ee3\u7801\u5927\u6982\u4f1a\u5982\u4e0b\uff1a<\/p>\n
public class A{<\/p>\n
B b;<\/p>\n
public void methodA(){<\/p>\n
b.methodB();<\/p>\n
}<\/p>\n
}<\/p>\n
\u8fd9\u91cc\u4e3a\u4e86\u4e0b\u6587\u89e3\u91ca\u65b9\u4fbf\uff0c\u6211\u589e\u52a0\u4e86\u4e00\u4e2a\u8c03\u7528\u70b9\u7684\u5b9a\u4e49\uff0c\u8c03\u7528\u70b9\u5c31\u662f\u8c03\u7528\u53d1\u751f\u7684\u5730<\/p>\n
\u65b9\u3002\u4e5f\u5c31\u662f\u4e0a\u9762<\/p>\n
b.methodB()\u4e2d\u7684b\u3002<\/p>\n
\u7406\u89e3\u4e86\u4ec0\u4e48\u53eb\u4e3b\u52a8\u4e4b\u540e\uff0c\u6211\u60f3\u5c31\u5148\u4ecb\u7ecd\u4ec0\u4e48\u53ebIoC\u3002IoC\u7684\u5168\u79f0\u8fd9\u91cc\u5c31\u4e0d\u8bf4\u4e86\uff0c\u4ed6<\/p>\n
\u7684\u5b57\u9762\u610f\u601d\u5c31\u662f\u63a7\u5236\u53cd\u8f6c\u3002\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u5f53\u4e2d\uff0c\u7531\u4e8eA\u8c03\u7528\u4e86B\u7684\u65b9\u6cd5\uff0c\u56e0\u6b64\u5c31\u5f62<\/p>\n
\u6210\u4e86\u4e00\u4e2aA\u5bf9B\u7684\u4f9d\u8d56\uff0c\u8fd9\u672c\u8eab\u5e76\u6ca1\u6709\u4ec0\u4e48\u95ee\u9898\u3002\u4f46\u662fOO\u7684\u601d\u60f3\u662f\u5e0c\u671b\u6211\u4eec\u57fa\u4e8e\u63a5<\/p>\n
\u53e3\u7f16\u7a0b\uff0c\u800c\u4e0d\u662f\u57fa\u4e8e\u5b9e\u73b0\u7f16\u7a0b\u3002\u56e0\u6b64\uff0c\u7cfb\u7edf\u8bbe\u8ba1\u5c06\u4e0d\u6b62\u662f\u539f\u6709\u7684 A\uff0cB\uff0c\u800c\u9700\u8981\u53d8<\/p>\n
\u6210IA\uff0cIB\uff0cA\uff0cB\uff0c\u5176\u4e2dIA\uff0cIB\u662f\u63a5\u53e3\uff0cA\uff0cB\u662f\u5bf9\u5e94\u7684\u5b9e\u73b0\u7c7b\uff0c\u7136\u540e\u4e3a\u4e86\u4f7f\u5f97A\u4e2d\u73b0<\/p>\n
\u5728\u5bf9B\u7684\u5b9e\u73b0\u4f9d\u8d56\u53d8\u6210\u5bf9\u63a5\u53e3\u7684\u4f9d\u8d56\uff0c\u4ee3\u7801\u5e94\u8be5\u53d8\u6210\u8fd9\u6837\u3002<\/p>\n
public class A implements IA{<\/p>\n
IB b;<\/p>\n
public void methodA(){<\/p>\n
b.methodB();<\/p>\n
}<\/p>\n
}<\/p>\n
\u8fd9\u91cc\u867d\u7136\u6211\u4eec\u662f\u57fa\u4e8e\u63a5\u53e3\u7f16\u7a0b\u4e86\uff0c\u4f46\u5927\u5bb6\u77e5\u9053\uff0c\u5728\u8fd9\u4e2d\u95f4\uff0c\u6211\u4eec\u9700\u8981\u6709\u4e00\u4e2a\u6b65\u9aa4<\/p>\n
\u628ab\u6307\u5411\u4e00\u4e2aIB\u7684\u5b9e\u73b0\u7c7bB\uff0c\u8fd9\u4e2a\u600e\u4e48\u505a\uff0c\u5c31\u662fIoC\u8981\u505a\u7684\u4e8b\u60c5\uff0c\u8fd9\u91cc\u5c31\u4e0d\u7ec6\u8bf4\u4e86\u3002<\/p>\n
\u4f46\u7b80\u5355\u6765\u8bf4\uff0c\u6ca1\u6709IoC\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5728A\u4e2d\u901a\u8fc7\u67d0\u79cd\u65b9\u6cd5\u53bb\u83b7\u53d6\u4e00\u4e2aB\u7684\u5b9e\u4f8b\uff0c\u4f46<\/p>\n
\u6709\u4e86IoC\uff0c\u5979\u5c31\u80fd\u5728A\u4e0d\u53c2\u4e0e\u7684\u60c5\u51b5\u4e0b\uff0c\u7ed9\u6211\u4eec\u4e00\u4e2aB\u7684\u5b9e\u4f8b\uff0c\u6240\u4ee5\uff0cIoC\u8981\u505a\u7684\u5c31<\/p>\n
\u662f\u5728\u8c03\u7528\u70b9\u4e0a\u4ece\u539f\u6765\u7684\u4e3b\u52a8\u751f\u6210\u4e00\u4e2a\u8c03\u7528\u70b9\uff0c\u53d8\u6210\u88ab\u52a8\u7684\u63a5\u53d7\u4e00\u4e2a\u8c03\u7528\u70b9\u3002<\/p>\n
\u63a5\u7740\u5c31\u662fAOP\uff0c\u5168\u79f0\u4e5f\u4e0d\u8bf4\u4e86\uff0c\u5b57\u9762\u610f\u601d\u5c31\u662f\u9762\u5411\u65b9\u9762\u7f16\u7a0b\u3002\u4e3e\u4e00\u4e2a\u6700\u666e\u904d\u7684\u4f8b\u5b50<\/p>\n
\uff0c\u5c31\u662f\u5982\u679c\u6211\u4eec\u4ee3\u7801\u9700\u8981\u505a\u65e5\u5fd7\u7684\u8bdd\uff0c\u90a3\u4e48\u5728\u6ca1\u6709AOP\u7684\u65f6\u5019\uff0c\u6211\u4eec\u7684\u4ee3\u7801\u53ef\u80fd\u5c31<\/p>\n
\u662f\u8fd9\u6837\uff1a<\/p>\n
public class A{<\/p>\n
public void methodA(){<\/p>\n
do log;<\/p>\n
b.methodB();<\/p>\n
}<\/p>\n
}<\/p>\n
\u8fd9\u91ccmethodA()\u4e2d\u7684\u505a\u65e5\u5fd7\u5e76\u4e0d\u662f\u65b9\u6cd5\u672c\u8eab\u7684\u903b\u8f91\u529f\u80fd\uff0c\u800c\u662f\u4e00\u4e2a\u9644\u5c5e\u529f\u80fd\uff0c\u56e0\u6b64<\/p>\n
\uff0c\u6211\u4eec\u9700\u8981\u628a\u5b83\u5206\u79bb\u51fa\u53bb\u3002\u600e\u4e48\u5206\u79bb\uff0c\u5c31\u662fAOP\u8981\u505a\u7684\u4e8b\u60c5\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u7cfb\u7edf<\/p>\n
\u5728\u8c03\u7528\u8005\u4e0d\u77e5\u60c5\u7684\u60c5\u51b5\u4e0b\uff0c\u4e3a\u6211\u4eec\u7684\u7c7bA\u589e\u52a0\u4e86\u4e00\u4e2a\u4ee3\u7406\u7c7b\uff0c\u5979\u628a\u6211\u4eec\u7684\u7c7bA\u5305\u88c5<\/p>\n
\u4e86\u8d77\u6765\uff0c\u50cf\u8fd9\u6837\uff1a<\/p>\n
public class AP extends A{<\/p>\n
A a;<\/p>\n
public void methodA(){<\/p>\n
do log;<\/p>\n
a.methodA():<\/p>\n
}<\/p>\n
}<\/p>\n
public class A{<\/p>\n
public void methodA(){<\/p>\n
b.methodB();<\/p>\n
}<\/p>\n
}<\/p>\n
\u4e8e\u662f\uff0c\u5f53\u6211\u4eec\u4ee5\u4e3a\u81ea\u5df1\u5728\u8c03\u7528A\u7684methodA()\u65b9\u6cd5\u65f6\uff0c\u5b9e\u9645\u8c03\u7528\u7684\u5c06\u662fAP\u4e2d\u7684<\/p>\n
methodA()\uff0c\u4e8e\u662f\u5c31\u53ef\u4ee5\u628a\u505a\u65e5\u5fd7\u7684\u529f\u80fd\u4ece\u539f\u6709\u7684 methodA()\u4e2d\u5206\u79bb\u4e86\u51fa\u53bb\u3002\u6240\u4ee5<\/p>\n
\uff0cAOP\u8981\u505a\u7684\u5c31\u662f\u5728\u7528\u6237\u4e0d\u77e5\u9053\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u6211\u4eec\u7684\u8c03\u7528\u70b9\u5305\u88f9\u4e86\u8d77\u6765\uff0c\u4ece\u800c\u628a\u539f<\/p>\n
\u6765\u7684\u529f\u80fd\u8fdb\u884c\u4e86\u5206\u79bb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u4e24\u4e2a\u6982\u5ff5\u57fa\u672c\u4e0a\u662f\u4e00\u4e2a\u8bbe\u8ba1\u5c42\u7684\u6982\u5ff5\uff0c\u4e3b\u8981\u8bb2\u7684\u5c31\u662f\u600e\u4e48\u53bb\u5206\u79bb\u5173\u6ce8\uff0c\u7528\u9762\u5411 \u5bf9\u8c61\u7684\u8bdd\u8bf4\uff0c\u5c31\u662f\u600e\u4e48\u628a\u804c\u8d23\u8fdb\u884c\u5206\u79bb\u3002\u800c […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-999","post","type-post","status-publish","format-standard","hentry","category-spring"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=999"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/999\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}