{"id":9265,"date":"2023-02-10T08:50:40","date_gmt":"2023-02-10T00:50:40","guid":{"rendered":"http:\/\/123.57.164.21\/?p=9265"},"modified":"2023-02-10T09:01:13","modified_gmt":"2023-02-10T01:01:13","slug":"jndi-%e5%92%8c-jdbc-%e7%9a%84%e5%8c%ba%e5%88%ab-%e4%b8%aa%e4%ba%ba%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=9265","title":{"rendered":"JNDI \u548c JDBC \u7684\u533a\u522b-\u4e2a\u4eba\u7406\u89e3"},"content":{"rendered":"\n<p>\u7f51\u4e0a\u5173\u4e8e JNDI \u548c JDBC \u7684\u5b9a\u4e49\u6709\u5f88\u591a\uff0c\u4f46\u662f\u90fd\u5f88\u5b98\u65b9\u4e0d\u5bb9\u6613\u7406\u89e3\uff0c\u4e0b\u9762\u662f\u6211\u6700\u8fd1\u67e5\u9605\u8d44\u6599\u5f97\u51fa\u7684\u5fc3\u5f97\u4f53\u4f1a\u3002\u5e0c\u671b\u5bf9\u4f60\u5728\u7406\u89e3\u4e0a\u6709\u4e00\u70b9\u70b9\u7684\u5e2e\u52a9\uff0c\u8bf4\u7684\u4e0d\u5bf9\u7684\u8bf7\u6307\u6b63\u54e6\u3002<\/p>\n\n\n\n<p><strong>JDBC<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"wp-block-preformatted\">\u770b\u5230\u6700\u591a\u7684\u5c31\u662f\uff0cJava&nbsp;Database&nbsp;Connectivity&nbsp;(JDBC)\u662f\u4e00\u4e2a\u6807\u51c6\u7684Java&nbsp;API\uff0c\u5b83\u7531\u4e00\u7ec4\u7c7b\u548c\u63a5\u53e3\u7ec4\u6210\uff0cJava\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u5b83\u6765\u8bbf\u95ee\u6570\u636e\u5e93\u548c\u6267\u884c<a rel=\"noreferrer noopener\" href=\"https:\/\/so.csdn.net\/so\/search?q=SQL%E8%AF%AD%E5%8F%A5&amp;spm=1001.2101.3001.7020\" target=\"_blank\">SQL\u8bed\u53e5<\/a>\u3002<\/pre>\n\n\n\n<p>\u901a\u4fd7\u7684\u8bb2\u5c31\u662fJDBC\u7528\u6765\u8fde\u63a5\u6570\u636e\u5e93\u548c\u6267\u884cSQL\u8bed\u53e5\uff0c\u4f46\u662f\u5b83\u6700\u5927\u7684\u7279\u70b9\u662f<strong>\u901a\u8fc7java\u7a0b\u5e8f\u53bb\u627e\u6570\u636e\u5e93\u9a71\u52a8\uff0c\u7136\u540e\u6765\u8fde\u63a5\u6570\u636e\u5e93\u3002\u662fjava\u4eb2\u81ea\u53bb\u8fde\u6570\u636e\u5e93\u3002&nbsp;<\/strong><\/p>\n\n\n\n<p><strong>JNDI<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"wp-block-preformatted\">JNDI(Java Name Directory Interface\uff0cJava\u547d\u540d\u548c\u76ee\u5f55\u63a5\u53e3)\uff0c\u5b83\u4e0d\u4ec5\u4ec5\u662f\u8fdb\u884c\u6570\u636e\u5e93\u5b9a\u4f4d\u7684\uff0c\u5b83\u662f\u7ed9\u5f53\u524d\u5e94\u7528\u670d\u52a1\u5668\u6240\u7ba1\u7406\u7684\u6240\u6709\u8d44\u6e90\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\uff0c\u5305\u62ec\u6570\u636e\u5e93\uff0c\u7f51\u9875\uff0c\u6587\u4ef6\uff0c\u8fde\u63a5\u6c60\u7b49\u7b49\u3002<\/pre>\n\n\n\n<p>JNDI\u63d0\u4f9b\u4e86\u4e00\u79cd\u7edf\u4e00\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u7528\u5728\u7f51\u7edc\u4e0a\u67e5\u627e\u548c\u8bbf\u95ee\u670d\u52a1\u3002\u901a\u8fc7\u6307\u5b9a\u4e00\u4e2a\u8d44\u6e90\u540d\u79f0\uff0c\u8be5\u540d\u79f0\u5bf9\u5e94\u4e8e\u6570\u636e\u5e93\u6216\u547d\u540d\u670d\u52a1\u4e2d\u7684\u4e00\u4e2a\u8bb0\u5f55\uff0c\u540c\u65f6\u8fd4\u56de\u6570\u636e\u5e93\u8fde\u63a5\u5efa\u7acb\u6240\u5fc5\u987b\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>JNDI\u4e3b\u8981\u6709\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\u548c\u670d\u52a1\u4f9b\u5e94\u5546\u63a5\u53e3\u3002\u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\u63d0\u4f9b\u4e86Java\u5e94\u7528\u7a0b\u5e8f\u8bbf\u95ee\u5404\u79cd\u547d\u540d\u548c\u76ee\u5f55\u670d\u52a1\u7684\u529f\u80fd\uff0c\u670d\u52a1\u4f9b\u5e94\u5546\u63a5\u53e3\u63d0\u4f9b\u4e86\u4efb\u610f\u4e00\u79cd\u670d\u52a1\u7684\u4f9b\u5e94\u5546\u4f7f\u7528\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">try{\n    Context cntxt = new InitialContext();\n    DataSource ds = (DataSource) cntxt.lookup(\"jdbc\/dpt\");\n \n}\n \ncatch(NamingException ne){\n    ...\n\n}<\/pre>\n\n\n\n<p>\u901a\u4fd7\u7684\u8bb2\uff0cJNDI\u4e0d\u5355\u5355\u662f\u7528\u6765\u8fde\u63a5\u6570\u636e\u5e93\u7684\uff0c\u5b83\u662f\u901a\u8fc7\u547d\u540d\u670d\u52a1\u6765\u627e\u5230\u6570\u636e\u5e93\u5e76\u8fd4\u56de\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5f53\u7136JNDI\u8fd8\u53ef\u4ee5\u7ba1\u7406\u5f53\u524d\u5e94\u7528\u670d\u52a1\u5668\u4e0a\u7684\u5176\u4ed6\u8d44\u6e90\uff0c\u5982\u7f51\u9875\uff0c\u6587\u4ef6\u7b49\uff0c\u5b83\u7528\u6765\u8fde\u63a5\u6570\u636e\u5e93\u65f6\u548cJDBC\u6700\u5927\u7684\u533a\u522b\u5c31\u662f\u5b83\u662f\u901a\u8fc7\u5e94\u7528\u670d\u52a1\u5668\u914d\u7f6e\uff08\u5982Tomcat\uff09\u7684\u914d\u7f6e\u6587\u4ef6context.xml\u6765\u627e\u6570\u636e\u5e93\u9a71\u52a8\u7684\uff0c\u5176\u6b21\u5c31\u662fJDBC\u8fde\u63a5\u80fd\u627f\u53d7\u7684\u540c\u65f6\u8bf7\u6c42\u6570\u592a\u4f4e\u4e86\uff0cJNDI\u8fde\u63a5\u6c60\u8fde\u63a5\u4e0e\u4e4b\u76f8\u6bd4\u4f1a\u597d\u5f88\u591a\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul><li>\u8bf7\u6c42\u8d44\u6e90\u7684\u4e3b\u52a8\u6027\u4e0d\u4e00\u6837\u3002JDBC\u662f\u901a\u8fc7java\u7a0b\u5e8f\u4e3b\u52a8\u53bb\u8fde\u63a5\u6570\u636e\u5e93\u83b7\u5f97\u8fde\u63a5\uff0c\u800cJNDI\u662f\u901a\u8fc7\u8bf7\u6c42\u547d\u540d\u670d\u52a1\u5668\u8fd4\u56de\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/li><li>\u529f\u80fd\u8303\u56f4\u4e0d\u4e00\u6837\u3002JDBC\u53ea\u80fd\u7528\u6765\u505a\u4e00\u4ef6\u4e8b\u90a3\u5c31\u662f\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u800c\u547d\u540dJNDI\u9664\u4e86\u80fd\u548cJDBC\u505a\u540c\u6837\u7684\u4e8b\u4ee5\u5916\u8fd8\u80fd\u7ba1\u7406\u5f53\u524d\u5e94\u7528\u670d\u52a1\u5668\u4e0a\u7684\u5176\u4ed6\u8d44\u6e90\uff0c\u5982\u7f51\u9875\uff0c\u6587\u4ef6\u7b49<\/li><li>\u8bf7\u6c42\u8fde\u63a5\u6570\u4e0d\u901a\u3002JNDI\u8fde\u63a5\u6c60\u6570\u9ad8\u4e8eJDBC<\/li><\/ul>\n\n\n\n<p><br><strong>JNDI\u6f0f\u6d1e<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u524d\u6bb5\u65f6\u95f4\u53d1\u751f\u7684 Log4j2 \u6f0f\u6d1e\u4e8b\u4ef6\u7740\u5b9e\u8ba9\u4eba\u6709\u70b9\u86cb\u75bc\uff0c\u53ef\u4ee5\u8bf4\u662f\u503c\u5f97\u5e7f\u5927\u4e2d\u56fd\u4f01\u4e1a\u6280\u672f\u4eba\u5458\u7eaa\u5ff5\u7684\u65e5\u5b50\u3002\u5728\u4fee\u590d\u6f0f\u6d1e\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8ba9\u4eba\u770b\u5230\u7684\u662f\uff1a\u5728\u98ce\u9669\u9762\u524d\uff0c\u6211\u4eec\u7684\u7cfb\u7edf\u5c31\u50cf\u4e00\u4e2a\u88f8\u5954\u7684\u7537\u4eba\u7ad9\u5728\u6d77\u8fb9\uff0c\u88ab\u6d77\u98ce\u8086\u610f\u5730\u8650\u6253\u7740\uff0c\u6beb\u65e0\u53cd\u6297\u529b\u2026\u2026<\/p>\n\n\n\n<p>\u52a0\u4e0a\u4e4b\u524d\u7684 Fastjson \u4e8b\u4ef6\uff0c\u4ee5\u53ca\u540e\u6765\u7684 Logback \u4e8b\u4ef6\uff0c\u66f4\u8fdb\u4e00\u6b65\u4f53\u73b0\u51fa\uff1a\u57fa\u7840\u7ec4\u4ef6\u7684\u91cd\u8981\u6027\uff01\u6280\u672f\u521b\u65b0\u7684\u91cd\u8981\u6027\uff01\u79d1\u6280\u53d1\u5c55\u7684\u91cd\u8981\u6027\uff01\u5c24\u5176\u5728\u6b64\u6b21\u7684 Log4j2 \u6f0f\u6d1e\u4e0a\u53cd\u6620\u7684\u66f4\u4e3a\u6dcb\u6f13\u5c3d\u81f4\uff0c\u5404\u79cd\u201c\u6838\u5f39\u7ea7\u6f0f\u6d1e\u201d\u3001\u201c\u8d85\u9ad8\u5371\u201d \u7b49\u60ca\u4eba\u672f\u8bed\u556a\u556a\u556a\u6253\u5728\u6211\u4eec\u7684\u8138\u4e0a\u2026\u2026<\/p>\n\n\n\n<p>\u6bcf\u6b21\u89c4\u6a21\u6bd4\u8f83\u5927\u7684\u6f0f\u6d1e\uff0cJNDI\u597d\u50cf\u90fd\u4e0d\u4f1a\u7f3a\u5e2d\u3002\u6700\u8fd1\u4eba\u5c3d\u7686\u77e5\u7684Log4j2\u6f0f\u6d1e\u4e5f\u548c\u5b83\u6709\u5173\uff0c\u8ba9\u4eba \u4e0d\u7531\u5f97\u6000\u7591\uff0c\u662f\u4e0d\u662f\u4f5c\u8005\u5f00\u7684\u540e\u95e8\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3aJNDI\u8fd9\u4e2a\u73a9\u610f\uff0c\u522b\u8bf4\u7528\u8fc7\uff0c\u5f88\u591a\u4eba\u8fde\u542c\u90fd\u6ca1\u542c\u8bf4\u8fc7\u3002\u8fd9\u4e48\u51b7\u95e8\u9178\u723d\u7684\u4e1c\u897f\uff0c\u6709\u4ec0\u4e48\u7406\u7531\u628a\u5b83\u653e\u5728\u4e00\u4e2a\u65e5\u5fd7\u6846\u67b6\u91cc\u5462?\u6050\u6015\u53ea\u6709\u4f5c\u8005\u60f3\u5f97\u901a\u3002<\/p>\n\n\n\n<p><strong>\u6570\u636e\u5e93\u9a71\u52a8<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5f88\u591a\u4eba\u63a5\u89e6JNDI\uff0c\u662f\u4ece\u6570\u636e\u5e93\u7684\u9a71\u52a8\u5f00\u59cb\u7684\u3002\u5f53\u7136\uff0c\u968f\u7740SpringBoot\u5355\u4f53\u53d1\u5e03\u6a21\u5f0f\u7684\u6d41\u884c\uff0c\u73b0\u5728\u7528\u8fd9\u79cd\u65b9\u5f0f\u6765\u83b7\u53d6\u6570\u636e\u5e93\u914d\u7f6e\u7684\u53e4\u8463\u516c\u53f8\uff0c\u662f\u8d8a\u6765\u8d8a\u5c11\u4e86\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5728tomcat\u5f97server.xml\u91cc\uff0c\u914d\u7f6e\u4e00\u4e2a\u53eb\u505axjjdogDB\u7684\u8d44\u6e90\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;Resource name=\"jdbc\/xjjdogDB\" auth=\"Container\" type=\"javax.sql.DataSource\" maxTotal=\"100\" maxIdle=\"30\" maxWaitMillis=\"10000\"\n  username=\"xjjdog\" password=\"123456\" driverClassName=\"com.mysql.jdbc.Driver\"\n  url=\"jdbc:mysql:\/\/localhost:3306\/xjjdog_db\"\/><\/pre>\n\n\n\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728SpringBoot\u4e2d\u914d\u7f6e\u4e0aJNDI\u8fd9\u4e2a\u540d\u5b57\uff0c\u5b83\u5c31\u80fd\u52a0\u8f7d\u6b63\u786e\u7684\u914d\u7f6e\u3002\u524d\u63d0\u662f\u6211\u4eec\u9700\u8981\u628aSpringBoot\u670d\u52a1\u6253\u5305\u6210WAR\u5305\u53d1\u5e03\u3002\u50cfJBoss\u8fd9\u6837\u7684\u5ba3\u79f0\u4f01\u4e1a\u7ea7<a rel=\"noreferrer noopener\" href=\"http:\/\/xbsj.cc\/\" target=\"_blank\">\u670d\u52a1\u5668<\/a>\u7684\u8f6f\u4ef6\uff0c\u5c31\u559c\u6b22\u8fd9\u4e48\u5e72\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> spring:\n    datasource:\n    jndi-name: jdbc\/xjjdogDB\n<\/pre>\n\n\n\n<p>\u4ece\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\u3002JNDI\u5230\u5e95\u662f\u4e2a\u795e\u9a6c\u73a9\u610f\u5462?\u4f60\u53ef\u4ee5\u8ba4\u4e3a\u5b83\u662f\u4e00\u4e2a\u914d\u7f6e\u4e2d\u5fc3\uff0c\u4e5f\u53ef\u4ee5\u8ba4\u4e3a\u5b83\u662f\u4e00\u4e2a\u547d\u540d\u670d\u52a1\u3002\u5176\u6839\u672c\u529f\u80fd\uff0c\u5c31\u662f\u8ba9\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u7b80\u77ed\u7684\u5b57\u7b26\u4e32\uff0c\u5c31\u80fd\u83b7\u53d6\u4e00\u7cfb\u5217\u7684\u590d\u6742\u914d\u7f6e\u548c\u521d\u59cb\u5316\u540e\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u907f\u514d\u5c06\u8fd9\u4e9b\u914d\u7f6e\u76f4\u63a5\u5199\u5728\u9879\u76ee\u91cc\u3002\u7a0b\u5e8f\u542f\u52a8\u8d77\u6765\uff0c\u5230\u5e95\u52a0\u8f7d\u7684\u4ec0\u4e48\u4e1c\u897f\uff0c\u8981\u770b\u8fd0\u884c\u7684\u73af\u5883\u914d\u7f6e\u7684\u4ec0\u4e48\u4e1c\u897f\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u5b9e\u73b0\u7684\u8bdd\uff0c\u4e0d\u5c31\u662f\u4e00\u4e2a\u53ef\u4ee5\u6839\u636ekey\u83b7\u53d6value\u7684HashMap\u561b\u3002<\/p>\n\n\n\n<p>\u5173\u952e\u662f\u8fd9\u4e2avalue\uff0c\u5b83\u4e0d\u662fString\uff0c\u5b83\u662f\u4e00\u4e2aObject\u3002\u8981\u4ece\u5b57\u7b26\u4e32\u53d8\u8eab\u4e3a\u4e00\u4e2a\u6b63\u5e38\u7684\u7c7b\uff0c\u8fd8\u8981\u505a\u5230\u901a\u7528\uff0c\u90a3\u5c31\u4e0d\u5f97\u4e0d\u4f9d\u9760\u53cd\u5c04\u3002<\/p>\n\n\n\n<p><strong>Log4j2 \u6f0f\u6d1e\u56de\u987e<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u89e3\u6790 JNDI \u524d\uff0c\u6211\u4eec\u5148\u56de\u987e\u4e00\u4e0b Log4j 2 \u6f0f\u6d1e\u4e8b\u4ef6\uff0c\u5927\u6982\u7684\u8109\u7edc\u662f\uff1aApache Log4j \u6f0f\u6d1e\uff08 JNDI\u6ce8\u5165 CVE-2021-44228 \uff09\uff0c\u4f7f\u5f97\u653b\u51fb\u8005\u4ec5\u9700\u5411\u76ee\u6807\u8f93\u5165\u4e00\u6bb5\u4ee3\u7801\uff0c\u4e0d\u9700\u8981\u7528\u6237\u6267\u884c\u4efb\u4f55\u591a\u4f59\u64cd\u4f5c\u5373\u53ef\u89e6\u53d1\u8be5\u6f0f\u6d1e\uff0c\u4f7f\u653b\u51fb\u8005\u53ef\u4ee5\u8fdc\u7a0b\u63a7\u5236\u7528\u6237\u53d7\u5bb3\u8005\u670d\u52a1\u5668\u3002\u4f9d\u636e\u5b98\u65b9\u7684\u63cf\u8ff0\uff1aApache Log4j2 \u4e2d\u5b58\u5728 JNDI \u6ce8\u5165\u6f0f\u6d1e\uff0c\u5f53\u7a0b\u5e8f\u5c06\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u8fdb\u884c\u65e5\u5fd7\u8bb0\u5f55\u65f6\uff0c\u5373\u53ef\u89e6\u53d1\u6b64\u6f0f\u6d1e\uff0c\u6210\u529f\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u4ee5\u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u8f6c\u6362\u6210\u4e13\u4e1a\u672f\u8bed\uff0c\u5373\uff1a\u82e5\u65e5\u5fd7\u5185\u5bb9\u4e2d\u5305\u542b\u5173\u952e\u8bcd \u201c${\u201d \uff0c\u5728\u8f93\u51fa Log \u7684\u65f6\u5019\uff0c\u653b\u51fb\u8005\u4fbf\u80fd\u591f\u5c06\u5173\u952e\u5b57\u6240\u5305\u542b\u7684\u5185\u5bb9\u5f53\u4f5c\u53d8\u91cf\u6765\u89e3\u6790\u6210\u4efb\u4f55\u53ef\u4ee5\u653b\u51fb\u7684\u547d\u4ee4\uff0c\u5e76\u8fdb\u884c\u6267\u884c\uff0c\u4ee5\u7834\u574f\u5e94\u7528\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>\u5173\u4e8e Apache log4j2 \u6f0f\u6d1e\u7684\u68c0\u6d4b\u53ca\u4fee\u590d\uff0c\u672c\u6587\u6682\u4e0d\u505a\u63cf\u8ff0\uff0c\u5927\u5bb6\u6709\u5174\u8da3\u53ef\u4ee5\u53bb\u5b98\u7f51\u67e5\u9605\u3002\u8bf4\u5230\u8fd9\u91cc\uff0c\u53ef\u80fd\u5f88\u591a\u65b0\u624b\u5c31\u4f1a\u95ee\uff1a\u201cLog4j2 \u8ddf JNDI \u6709\u6bdb\u5173\u7cfb\uff1f\u201d \u8fd9\u4e0d\u8bf4\u4e86\u4e2a\u5bc2\u5bde \u2026\u2026\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5148\u770b\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-1024x614.png\" alt=\"\" class=\"wp-image-9266\" width=\"520\" height=\"311\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-1024x614.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-300x180.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-768x461.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-1536x921.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-830x498.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-230x138.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-350x210.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3-480x288.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-3.png 1774w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><\/figure><\/div>\n\n\n\n<p>\u57fa\u4e8e\u4e0a\u56fe\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff1a\u6240\u6709\u7684\u201c\u5173\u8054\u201d\u6765\u81ea\u4e8e Lookups \u7ec4\u4ef6\u3002Log4j2 \u7684\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\uff0c\u9664\u4e86\u80fd\u591f\u8f93\u51fa\u7a0b\u5e8f\u4e2d\u7684\u53d8\u91cf\u4fe1\u606f\uff0c\u540c\u65f6\uff0c\u5176\u8fd8\u5f15\u5165\u4e86\u4e00\u4e2a\u53eb Lookup 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\u5bf9\u8c61\uff0c\u6b64\u65f6\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u5728\u7a0b\u5e8f\u4e2d\u6ca1\u6709\u5b9a\u4e49\uff0c\u800c\u662f\u5728\u5176\u4ed6\u73af\u5883\u4e2d\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5982\u4f55\u5904\u7406\u5462\uff1f\u5728 Log4j2 \u5b98\u7f51 https:\/\/logging.apache.org\/log4j\/2.x\/manual\/lookups.html \u6211\u4eec\u53ef\u4ee5\u770b\u5230 Log4j2 \u5df2\u7ecf\u5e2e\u6211\u4eec\u628a\u5e38\u89c1\u7684\u67e5\u627e\u9014\u5f84\u90fd\u8fdb\u884c\u5b9e\u73b0\u4e86\uff0c\u5177\u4f53\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-4-430x1024.png\" alt=\"\" class=\"wp-image-9267\" width=\"251\" height=\"598\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-4-430x1024.png 430w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-4-126x300.png 126w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-4-230x547.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-4-350x833.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-4.png 432w\" sizes=\"(max-width: 251px) 100vw, 251px\" \/><\/figure><\/div>\n\n\n\n<p>\u901a\u8fc7\u4e0a\u56fe\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0cLookups \u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u4efb\u610f\u4f4d\u7f6e\u5411 Log4j \u914d\u7f6e\u6dfb\u52a0\u503c\u7684\u65b9\u6cd5\u3002\u5176\u5b9e\u73b0\u7684\u67e5\u627e\u9014\u5f84\u8f83\u4e3a\u5e7f\u6cdb\uff0c\u51e0\u4e4e\u652f\u6301\u6240\u6709\u7684\u73af\u5883\u3002\u5b83\u4eec\u662f\u5b9e\u73b0 StrLookup \u63a5\u53e3\u7684\u7279\u5b9a\u7c7b\u578b\u7684\u63d2\u4ef6\u3002\u6709\u5173\u5982\u4f55\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u4f7f\u7528\u67e5\u627e\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1 Configuration \u9875\u9762\u7684 Property Substitution \u90e8\u5206\u3002<\/p>\n\n\n\n<p><strong>JNDI \u4f53\u7cfb\u89e3\u6790<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684 Log4j2 Lookups \u8def\u5f84\u4e2d\uff0c\u5b9a\u4e49\u4e86 JNDI \u73af\u5883\u5165\u53e3\uff0c\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e0b JNDI Lookups\uff0cJndiLookup \u5141\u8bb8\u901a\u8fc7 JNDI \u8fdb\u884c\u53d8\u91cf\u68c0\u7d22\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u952e\u7684\u524d\u7f00\u4e3a java\uff1acomp\/env \/\uff0c\u4f46\u662f\uff0c\u5982\u679c\u952e\u5305\u542b\u201c\uff1a\u201d\uff0c\u5219\u4e0d\u4f1a\u6dfb\u52a0\u524d\u7f00\u3002\u5176\u5177\u4f53\u7684\u914d\u7f6e\u4fe1\u606f\u5982\u4e0b\u6240\u793a:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-1024x320.png\" alt=\"\" class=\"wp-image-9286\" width=\"608\" height=\"189\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-1024x320.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-300x94.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-768x240.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-830x259.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-230x72.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-350x109.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9-480x150.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-9.png 1512w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><\/figure><\/div>\n\n\n\n<p>\u90a3\u4e48\uff0c\u4ec0\u4e48\u662f JNDI \u5462\uff1fJNDI \u5373\u5168\u79f0\u4e3a \u201cJava Naming and Directory Interface\u201d\uff0c\u4e2d\u6587\u91ca\u4e49\u4e3a JAVA \u547d\u540d\u548c\u76ee\u5f55\u63a5\u53e3\uff0c\u5b83\u63d0\u4f9b\u4e00\u4e2a\u76ee\u5f55\u7cfb\u7edf\uff0c\u5e76\u5c06\u670d\u52a1\u540d\u79f0\u4e0e\u5bf9\u8c61\u5173\u8054\u8d77\u6765\uff0c\u4ece\u800c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u4f7f\u7528\u540d\u79f0\u6765\u8bbf\u95ee\u5bf9\u8c61\u3002\u7ad9\u5728\u6570\u636e\u8bf7\u6c42\u89d2\u5ea6\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff1a<\/p>\n\n\n\n<p>\u5b58\u5728\u4e00\u4e2a\u7c7b\u4f3c\u4e8e\u5b57\u5178\u7684\u6570\u636e\u6e90\uff0c\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u901a\u8fc7 JNDI \u63a5\u53e3\uff0c\u4f20\u4e00\u4e2a\u7279\u5b9a\u7684\u53c2\u6570\u8fdb\u53bb\uff0c\u5c31\u80fd\u83b7\u53d6\u5230\u5bf9\u8c61\u4fe1\u606f\u3002\u4f46\u662f\uff0c\u4e0d\u540c\u7684\u6570\u636e\u6e90\u6709\u4e0d\u540c\u7684\u67e5\u627e\u65b9\u5f0f\uff0c\u6240\u4ee5 JNDI \u4e5f\u53ea\u662f\u4e00\u4e2a\u4e0a\u5c42\u5c01\u88c5\uff0c\u5728\u5b83\u4e0b\u9762\u4e5f\u652f\u6301\u5f88\u591a\u79cd\u5177\u4f53\u7684\u6570\u636e\u6e90\u3002\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e0b\u5176\u4f53\u7cfb\u67b6\u6784\uff0c\u5177\u4f53\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-862x1024.png\" alt=\"\" class=\"wp-image-9288\" width=\"368\" height=\"436\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-862x1024.png 862w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-253x300.png 253w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-768x912.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-830x986.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-230x273.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-350x416.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10-480x570.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-10.png 992w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><\/figure><\/div>\n\n\n\n<p>\u57fa\u4e8e\u4e0a\u8ff0\u67b6\u6784\u56fe\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff1aJNDI \u4f53\u7cfb\u7ed3\u6784\u7531\u4e00\u4e2a API \u548c\u4e00\u4e2a\u670d\u52a1\u63d0\u4f9b\u8005\u63a5\u53e3 \uff08Service Provider Interface\uff09 \u7ec4\u6210\u3002Java \u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528 JNDI API \u6765\u8bbf\u95ee\u5404\u79cd\u547d\u540d\u548c\u76ee\u5f55\u670d\u52a1\u3002SPI \u5141\u8bb8\u4ee5\u900f\u660e\u65b9\u5f0f\u63d2\u5165\u5404\u79cd\u547d\u540d\u548c\u76ee\u5f55\u670d\u52a1\uff0c\u4ece\u800c\u5141\u8bb8\u4f7f\u7528 JNDI API \u7684 Java \u5e94\u7528\u7a0b\u5e8f\u8bbf\u95ee\u5176\u670d\u52a1\u3002SPI \u4f5c\u4e3a\u4e00\u79cd\u670d\u52a1\u53d1\u73b0\u673a\u5236\uff0c\u901a\u8fc7\u5728 ClassPath \u8def\u5f84\u4e0b\u7684 META-INF\/services \u6587\u4ef6\u5939\u67e5\u627e\u6587\u4ef6\uff0c\u81ea\u52a8\u52a0\u8f7d\u6587\u4ef6\u91cc\u6240\u5b9a\u4e49\u7684\u7c7b\u3002\u8fd9\u4e00\u673a\u5236\u4e3a\u5f88\u591a\u6846\u67b6\u6269\u5c55\u63d0\u4f9b\u4e86\u53ef\u80fd\uff0c\u6bd4\u5982\u5728 Dubbo\u3001JDBC \u4e2d\u90fd\u4f7f\u7528\u5230\u4e86 SPI \u673a\u5236\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">     \u901a\u5e38\u6765\u8bb2\uff0cJNDI \u7531\u4ee5\u4e0b\u8f6f\u4ef6\u5305\u7ec4\u6210\uff1a\n\n     javax.nameing:\u5305\u542b\u7528\u4e8e\u8bbf\u95ee\u547d\u540d\u670d\u52a1\u7684\u7c7b\u548c\u63a5\u53e3\u3002\n\n     javax.nameing.directory:\u6269\u5c55\u6838\u5fc3 javax.\u547d\u540d\u5305\uff0c\u4ee5\u63d0\u4f9b\u9664\u547d\u540d\u670d\u52a1\u4e4b\u5916\u8bbf\u95ee\u76ee\u5f55\u7684\u529f\u80fd\u3002\n\n     javax.nameing.event:\u5305\u542b\u7528\u4e8e\u652f\u6301\u547d\u540d\u548c\u76ee\u5f55\u670d\u52a1\u4e2d\u7684\u4e8b\u4ef6\u901a\u77e5\u7684\u7c7b\u548c\u63a5\u53e3\u3002\n\n     javax.nameing.ldap:\u5305\u542b\u7528\u4e8e\u652f\u6301 LDAPv3 \u6269\u5c55\u64cd\u4f5c\u548c\u63a7\u5236\u7684\u7c7b\u548c\u63a5\u53e3\u3002\n\n     javax.nameing.spi:\u5305\u542b\u5141\u8bb8\u5728 JNDI \u4e0b\u52a8\u6001\u63d2\u5165\u5404\u79cd\u547d\u540d\u548c\u76ee\u5f55\u670d\u52a1\u63d0\u4f9b\u7a0b\u5e8f\u7684\u7c7b\u548c\u63a5\u53e3\u3002<\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u518d\u6765\u4e86\u89e3\u4e00\u4e0b JNDI \u670d\u52a1\u63d0\u4f9b\u5546\u76f8\u5173\u6982\u5ff5\uff0c\u901a\u5e38\uff0c\u8981\u5c06 JNDI \u4e0e\u7279\u5b9a\u7684\u547d\u540d\u6216\u76ee\u5f55\u670d\u52a1\u914d\u5408\u4f7f\u7528\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a JNDI \u670d\u52a1\u63d0\u4f9b\u7a0b\u5e8f\uff0c\u8be5\u63d0\u4f9b\u7a0b\u5e8f\u662f\u63d2\u5165 JNDI API \u4e0b\u65b9\u4ee5\u8bbf\u95ee\u547d\u540d\u6216\u76ee\u5f55\u670d\u52a1\u7684\u6a21\u5757\u3002\u76ee\u524d\uff0cJava SE \u53d1\u884c\u7248\u5305\u62ec\u4ee5\u4e0b\u670d\u52a1\u63d0\u4f9b\u7a0b\u5e8f\uff1a<\/p>\n\n\n\n<ul><li>LDAP \u670d\u52a1\u63d0\u4f9b\u7a0b\u5e8f<\/li><li>COS \u547d\u540d\u670d\u52a1\u63d0\u4f9b\u5546<\/li><li>RMI \u6ce8\u518c\u670d\u52a1\u63d0\u4f9b\u7a0b\u5e8f<\/li><li><a href=\"https:\/\/cloud.tencent.com\/act\/pro\/domain-sales?from=10680\" target=\"_blank\" rel=\"noreferrer noopener\">\u57df\u540d<\/a>\u89e3\u6790\u670d\u52a1\u63d0\u4f9b\u5546<\/li><\/ul>\n\n\n\n<p>\u5728\u6574\u4e2aJava \u751f\u6001\u4f53\u7cfb\u6808\u4e2d\uff0cJava \u547d\u540d\u548c\u76ee\u5f55\u63a5\u53e3 \uff08JNDI\uff09 \u662f Java \u5e73\u53f0\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u4e3a\u57fa\u4e8e Java \u6280\u672f\u7684\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u591a\u4e2a\u547d\u540d\u548c\u76ee\u5f55\u670d\u52a1\u7684\u7edf\u4e00\u63a5\u53e3\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b64\u884c\u4e1a\u6807\u51c6\u6784\u5efa\u529f\u80fd\u5f3a\u5927\u4e14\u652f\u6301\u4fbf\u643a\u5f0f\u76ee\u5f55\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p>\u547d\u540d\u548c\u76ee\u5f55\u670d\u52a1\u901a\u8fc7\u63d0\u4f9b\u6709\u5173\u7528\u6237\u3001\u8ba1\u7b97\u673a\u3001\u7f51\u7edc\u3001\u670d\u52a1\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u5404\u79cd\u4fe1\u606f\u7684\u5168\u7f51\u7edc\u5171\u4eab\uff0c\u5728 Intranet \u548c Internet \u4e2d\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u57fa\u4e8e\u534f\u540c\u652f\u6491\u89d2\u5ea6\u800c\u8a00\uff0cJNDI \u4e0e Java Platform\u3001Enterprise Edition \uff08Java EE\uff09 \u4e2d\u7684\u5176\u4ed6\u6280\u672f\u534f\u540c\u5de5\u4f5c\uff0c\u4ee5\u5728\u5206\u5e03\u5f0f\u8ba1\u7b97\u73af\u5883\u4e2d\u7ec4\u7ec7\u548c\u5b9a\u4f4d\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<p>\u76ee\u524d\uff0cJNDI \u4e3b\u8981\u5e94\u7528\u4e8e\u5982\u4e0b Java \u7248\u672c\u4e2d\uff1aJava SE 8 |Java SE 7 |Java SE 6 |J2SE 5.0 |J2SE 1.4.2<\/p>\n\n\n\n<p>\u5728\u5b9e\u9645\u7684\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u4f7f\u7528 JNDI \u7684\u4efb\u4f55\u5de5\u4f5c\u90fd\u9700\u8981\u4e86\u89e3\u5e95\u5c42\u670d\u52a1\u4ee5\u53ca\u53ef\u8bbf\u95ee\u7684\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u6570\u636e\u5e93\u8fde\u63a5\u670d\u52a1\u8c03\u7528\u7279\u5b9a\u5c5e\u6027\u548c\u5f02\u5e38\u5904\u7406\u3002\u4f46\u662f\uff0c\u5728\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cJNDI \u7684\u62bd\u8c61\u5c06\u8fde\u63a5\u914d\u7f6e\u4e0e\u5e94\u7528\u7a0b\u5e8f\u5206\u79bb\u3002\u8ba9\u6211\u4eec\u6765\u63a2\u8ba8\u4e00\u4e0b\u5305\u542b JNDI \u6838\u5fc3\u529f\u80fd\u7684\u540d\u79f0\u3002<\/p>\n\n\n\n<p>\u4ee5 Name Interface \u540d\u79f0\u63a5\u53e3\u4e3a\u4f8b\uff0c\u5177\u4f53\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Name objectName = new CompositeName(\"java:com\/env\/jdbc\");<\/pre>\n\n\n\n<p>Name Interface \u540d\u79f0\u63a5\u53e3\u63d0\u4f9b\u4e86\u7ba1\u7406 JNDI \u540d\u79f0\u7684\u7ec4\u4ef6\u540d\u79f0\u548c\u8bed\u6cd5\u7684\u529f\u80fd\u3002\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u4e2a\u6807\u8bb0\u8868\u793a\u5168\u5c40\u4e0a\u4e0b\u6587\uff0c\u4e4b\u540e\u6dfb\u52a0\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8868\u793a\u4e0b\u4e00\u4e2a\u5b50\u4e0a\u4e0b\u6587\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Enumeration&lt;String> elements = objectName.getAll();while(elements.hasMoreElements()) {\n  System.out.println(elements.nextElement());\n}<\/pre>\n\n\n\n<p>\u5176\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">java:com\nenv\njdbc<\/pre>\n\n\n\n<p>\u5982\u6211\u4eec\u6240\u5b9a\u4e49\uff0c\/ \u662f Name \u5b50\u4e0a\u4e0b\u6587\u7684\u5206\u9694\u7b26\u3002\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a\u5b50\u4e0a\u4e0b\u6587\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">jectName.add(\"example\");<\/pre>\n\n\n\n<p>\u7136\u540e\uff0c\u6211\u4eec\u518d\u8fdb\u884c\u6d4b\u8bd5\u6240\u6dfb\u52a0\u7684\u53c2\u6570\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">assertEquals(\"example\", objectName.get(objectName.size() - 1));<\/pre>\n\n\n\n<p>\u6211\u4eec\u518d\u4ee5 MySql \u6570\u636e\u5e93\u4e3a\u4f8b\uff0c\u7b80\u8981\u4ecb\u7ecd\u4e0b JNDI \u5728\u5e94\u7528\u7cfb\u7edf\u4e2d\u5982\u4f55\u8fd0\u884c\uff0c\u6211\u4eec\u5728 Java \u73af\u5883\u4e2d\u914d\u7f6e\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u4f8b\u5982\u914d\u7f6e\u540d\u4e3a\u201cjava:MySqlDS\u201d\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u522b\u7684 Java \u8fdb\u7a0b\u901a\u8fc7 JNDI \u53bb\u67e5\u627e \u201djava:MysqlDs\u201c, \u63a5\u7740\u5c31\u4f1a\u5f97\u5230\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u3002\u5176\u4ee3\u7801\u914d\u7f6e\u4fe1\u606f\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Connection conn=null;   \/\/ Context \u4e3a JNDI \u7684\u7c7b\n\nContext ctx = new InitialContext(); \/\/ JNDI \u5173\u952e\u65b9\u6cd5\uff0c\u901a\u8fc7 Loopup \u627e\u4e00\u4e2a\u5bf9\u8c61\n\nObject datasourceRef = ctx.lookup(\"java:MySqlDS\"); \/\/\u5f15\u7528\u6570\u636e\u6e90 \n\nDataSource ds = (Datasource) datasourceRef; \n\nconn = ds.getConnection(); \n\n...... \n\nc.close(); <\/pre>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e0b JNDI \u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u4f53\u7cfb\u67b6\u6784\u4e2d\u7684\u4f5c\u7528\u3002\u867d\u7136 JNDI \u5728\u8f7b\u91cf\u7ea7\u7684<a href=\"https:\/\/cloud.tencent.com\/product\/tke?from=10680\" target=\"_blank\" rel=\"noreferrer noopener\">\u5bb9\u5668<\/a>\u5316 Java \u5e94\u7528\u7a0b\u5e8f\uff08\u5982 Spring Boot\uff09\u4e2d\u626e\u6f14\u7684\u89d2\u8272\u8d8a\u6765\u8d8a\u5c11\uff0c\u4f46\u8fd8\u6709\u5176\u4ed6\u7528\u9014\u3002\u6bd4\u5982\uff0c\u5728\u4e0e\u540e\u7aef\u7ec4\u4ef6\u4ea4\u4e92\uff0c\u4ecd\u7136\u4f7f\u7528 JNDI \u7684\u4e09\u79cd Java \u6280\u672f\u662f JDBC\u3001EJB \u548c JMS\u3002\u6240\u6709\u8fd9\u4e9b\u90fd\u5728 Java \u4f01\u4e1a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u7528\u9014\u3002<\/p>\n\n\n\n<p>\u4ece\u7ba1\u7406\u89c4\u8303\u89d2\u5ea6\u800c\u8a00\uff0c\u5355\u72ec\u7684 <a href=\"https:\/\/cloud.tencent.com\/product\/coding?from=10680\" target=\"_blank\" rel=\"noreferrer noopener\">DevOps<\/a> \u56e2\u961f\u53ef\u4ee5\u7ba1\u7406\u76f8\u5173\u73af\u5883\u53d8\u91cf\u8d44\u6e90\uff0c\u4f8b\u5982\u6240\u6709\u73af\u5883\u4e2d\u654f\u611f\u4fe1\u606f\uff08\u6570\u636e\u5e93\u8fde\u63a5\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\uff09\u3002\u53ef\u4ee5\u5728 Web \u5e94\u7528\u7a0b\u5e8f\u5bb9\u5668\u4e2d\u521b\u5efa JNDI \u8d44\u6e90\uff0c\u5c06 JNDI \u7528\u4f5c\u5728\u6240\u6709\u73af\u5883\u4e2d\u5de5\u4f5c\u7684\u4e00\u81f4\u62bd\u8c61\u5c42\u3002\u57fa\u4e8e\u6b64\u8bbe\u7f6e\uff0c\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u521b\u5efa\u548c\u63a7\u5236\u7528\u4e8e\u5f00\u53d1\u7684\u672c\u5730\u5b9a\u4e49\uff0c\u540c\u65f6\u901a\u8fc7\u76f8\u540c\u7684 JNDI \u540d\u79f0\u8fde\u63a5\u5230\u751f\u4ea7\u73af\u5883\u4e2d\u7684\u654f\u611f\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u4ece\u672c\u8d28\u4e0a\u800c\u8a00\uff0c JNDI \u5e76\u6ca1\u8f83\u591a\u7684\u5185\u5bb9\uff0c\u5176\u4ec5\u4ec5\u662f\u4f5c\u4e3a\u4e00\u79cd Interface \u5b58\u5728\uff0c\u4e0d\u8fc7\uff0c\u6b63\u56e0\u4e3a\u5f88\u4e0d\u8d77\u773c\uff0c\u5f88\u5bb9\u6613\u8ba9\u5927\u5bb6\u5ffd\u7565\u6389\uff0c\u6240\u4ee5\uff0c\u4e00\u65e6\u51fa\u73b0\u5b89\u5168\u98ce\u9669\uff0c\u8fd8\u662f\u5f88\u81f4\u547d\u7684\u3002\u4ee5\u4e0a\u4e3a JNDI \u7684\u7b80\u8981\u89e3\u6790\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f51\u4e0a\u5173\u4e8e JNDI \u548c JDBC \u7684\u5b9a\u4e49\u6709\u5f88\u591a\uff0c\u4f46\u662f\u90fd\u5f88\u5b98\u65b9\u4e0d\u5bb9\u6613\u7406\u89e3\uff0c\u4e0b\u9762\u662f\u6211\u6700\u8fd1\u67e5\u9605\u8d44\u6599\u5f97\u51fa\u7684\u5fc3\u5f97\u4f53\u4f1a\u3002\u5e0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9265"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9265"}],"version-history":[{"count":18,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9265\/revisions"}],"predecessor-version":[{"id":9296,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9265\/revisions\/9296"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}