{"id":1978,"date":"2021-02-10T11:11:29","date_gmt":"2021-02-10T03:11:29","guid":{"rendered":"https:\/\/www.yusian.com\/blog\/?p=1978"},"modified":"2021-02-10T11:13:03","modified_gmt":"2021-02-10T03:13:03","slug":"spring%e9%9d%99%e6%80%81%e4%bb%a3%e7%90%86%e7%9a%84%e7%ae%80%e5%8d%95%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.yusian.com\/blog\/java\/2021\/02\/10\/1111291978.html","title":{"rendered":"Spring\u9759\u6001\u4ee3\u7406\u7684\u7b80\u5355\u5b9e\u73b0"},"content":{"rendered":"<h2>\u57fa\u672c\u8981\u7d20<\/h2>\n<ul>\n<li><strong>\u539f\u59cb\u5bf9\u8c61<\/strong>\uff1a\u9700\u8981\u88ab\u4ee3\u7406\u7684\u5bf9\u8c61\uff0c\u6838\u5fc3\u529f\u80fd\uff1b<\/li>\n<li><strong>\u9644\u52a0\u5bf9\u8c61<\/strong>\uff1a\u7528\u4e8e\u4fee\u9970\u539f\u59cb\u5bf9\u8c61\u7684\u9644\u52a0\u529f\u80fd\uff1b<\/li>\n<li><strong>\u4ee3\u7406\u5bf9\u8c61<\/strong>\uff1a\u878d\u5408\u539f\u59cb\u5bf9\u8c61\u4e0e\u9644\u52a0\u5bf9\u8c61<\/li>\n<\/ul>\n<h2>\u76f8\u5173\u7c7b<\/h2>\n<blockquote><p>\n  UserDao\n<\/p><\/blockquote>\n<pre><code class=\"language-java line-numbers\">package com.yusian.dao;\nimport com.yusian.domain.User;\npublic interface UserDao {\n\n    void register(User user);\n\n    boolean login(String username, String password);\n}\n\n<\/code><\/pre>\n<blockquote><p>\n  UserDaoImpl\n<\/p><\/blockquote>\n<pre><code class=\"language-java line-numbers\">package com.yusian.dao;\n\nimport com.yusian.domain.User;\n\npublic class UserDaoImpl implements UserDao{\n    @Override\n    public void register(User user) {\n        System.out.println(\"UserDaoImpl.register-----\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0\");\n    }\n\n    @Override\n    public boolean login(String username, String password) {\n        System.out.println(\"UserDaoImpl.login-----\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0\");\n        return false;\n    }\n}\n\n<\/code><\/pre>\n<blockquote><p>\n  UserDaoProxy\n<\/p><\/blockquote>\n<pre><code class=\"language-java line-numbers\">package com.yusian.dao;\n\nimport com.yusian.domain.User;\n\npublic class UserDaoProxy implements UserDao{\n\n    private UserDao userDao = new UserDaoImpl();\n\n    @Override\n    public void register(User user) {\n        System.out.println(\"UserDaoProxy.register---\u9644\u52a0\u529f\u80fd\uff0c\u6bd4\u5982\u6253\u5370\u65e5\u5fd7\");\n        userDao.register(user);\n    }\n\n    @Override\n    public boolean login(String username, String password) {\n        System.out.println(\"UserDaoProxy.login---\u9644\u52a0\u529f\u80fd\uff0c\u6bd4\u5982\u6253\u5370\u65e5\u5fd7\");\n        return userDao.login(username, password);\n    }\n}\n\n<\/code><\/pre>\n<h2>\u8c03\u7528\u53ca\u7ed3\u679c<\/h2>\n<blockquote><p>\n  applicationContext.xml\n<\/p><\/blockquote>\n<pre data-language=XML><code class=\"language-markup line-numbers\">&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;\n&lt;beans xmlns=\"http:\/\/www.springframework.org\/schema\/beans\"\n       xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\n       xsi:schemaLocation=\"http:\/\/www.springframework.org\/schema\/beans http:\/\/www.springframework.org\/schema\/beans\/spring-beans.xsd\"&gt;\n\n    &lt;bean id=\"userDao\" class=\"com.yusian.dao.UserDaoProxy\"\/&gt;\n&lt;\/beans&gt;\n<\/code><\/pre>\n<blockquote><p>\n  \u6d4b\u8bd5\u4ee3\u7801\n<\/p><\/blockquote>\n<pre><code class=\"language-java line-numbers\">public class ProxyTest {\n\n    @Test\n    public void staticProxyTest() {\n        ApplicationContext ctx = new ClassPathXmlApplicationContext(\"applicationContext.xml\");\n        UserDaoProxy userDao = (UserDaoProxy) ctx.getBean(\"userDao\");\n        userDao.register(new User());\n    }\n}\n<\/code><\/pre>\n<blockquote><p>\n  \u8f93\u51fa\u7ed3\u679c\n<\/p><\/blockquote>\n<pre><code class=\"language-markdown line-numbers\">UserDaoProxy.register---\u9644\u52a0\u529f\u80fd\uff0c\u6bd4\u5982\u6253\u5370\u65e5\u5fd7\nUserDaoImpl.register-----\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0\n\nProcess finished with exit code 0\n<\/code><\/pre>\n<h2>\u603b\u7ed3<\/h2>\n<ol>\n<li>\u7b80\u5355\u7684\u9759\u6001\u4ee3\u7406\u7c7b\u4f3c\u7ec4\u5408\uff0c\u4ee3\u7406\u5bf9\u8c61\u5b9e\u73b0\u4e0e\u539f\u59cb\u5bf9\u8c61\u76f8\u540c\u7684\u63a5\u53e3\uff1b<\/li>\n<li>\u5c06\u539f\u59cb\u5bf9\u8c61\u505a\u4e3a\u4ee3\u7406\u5bf9\u8c61\u7684\u6210\u5458\uff0c\u6838\u5fc3\u529f\u80fd\u7684\u5b9e\u73b0\u662f\u76f4\u63a5\u8c03\u7528\u539f\u59cb\u5bf9\u8c61\u7684\u65b9\u6cd5\uff1b<\/li>\n<li>\u5728\u8c03\u7528\u539f\u59cb\u5bf9\u8c61\u65b9\u6cd5\u4e4b\u524d\uff0c\u8c03\u7528\u9644\u52a0\u529f\u80fd\uff0c\u5b9e\u73b0\u529f\u80fd\u7684\u8ffd\u52a0\uff1b<\/li>\n<li>\u4f18\u70b9\u662f\u4e0d\u9700\u8981\u4fee\u6539\u539f\u6709\u7684\u7c7b\uff0c\u5b9e\u73b0\u4e86\u529f\u80fd\u7684\u6269\u5c55\uff1b<\/li>\n<li>\u7f3a\u70b9\u662f\u539f\u59cb\u5bf9\u8c61\u4e0e\u4ee3\u7406\u5bf9\u8c61\u4e00\u4e00\u5bf9\u5e94\uff0c\u4e0d\u591f\u7075\u6d3b\uff0c\u56e0\u6b64\u6709\u4e00\u5b9a\u7684\u5c40\u9650\u6027\uff1b<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u8981\u7d20 \u539f\u59cb\u5bf9\u8c61\uff1a\u9700\u8981\u88ab\u4ee3\u7406\u7684\u5bf9\u8c61\uff0c\u6838\u5fc3\u529f\u80fd\uff1b \u9644\u52a0\u5bf9\u8c61\uff1a\u7528\u4e8e\u4fee\u9970\u539f\u59cb\u5bf9\u8c61\u7684\u9644\u52a0\u529f\u80fd\uff1b \u4ee3\u7406\u5bf9\u8c61\uff1a\u878d\u5408\u539f\u59cb\u5bf9\u8c61\u4e0e\u9644\u52a0\u5bf9\u8c61 \u76f8\u5173\u7c7b UserDao package com.yusian.dao; import com.yusian.domain.User; public interface UserDao { void register(User user); boolean login(String username, String password); } UserDaoImpl package com.yusian.dao; import com.yusian.domain.User; public class UserDaoImpl implements UserDao{ @Override public void register(User user) { System.out.println(&#8220;UserDaoImpl.register&#8212;&#8211;\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0&#8221;); } @Override public boolean login(String username, String password) { System.out.println(&#8220;UserDaoImpl.login&#8212;&#8211;\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0&#8221;); return false; } } UserDaoProxy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[347,348],"class_list":["post-1978","post","type-post","status-publish","format-standard","hentry","category-java","tag-spring","tag-348"],"_links":{"self":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/comments?post=1978"}],"version-history":[{"count":0,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1978\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/media?parent=1978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/categories?post=1978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/tags?post=1978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}