{"id":2193,"date":"2018-01-23T11:40:30","date_gmt":"2018-01-23T03:40:30","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=2193"},"modified":"2018-01-23T11:41:53","modified_gmt":"2018-01-23T03:41:53","slug":"%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e8%af%9e%e7%94%9f%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=2193","title":{"rendered":"\u65e5\u5fd7\u7cfb\u7edf\u8bde\u751f\u8bb0"},"content":{"rendered":"
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1\u524d\u8a00<\/strong><\/span><\/section>\n<\/section>\n<\/section>\n

Java\u5e1d\u56fd\u5728\u8bde\u751f\u4e4b\u521d\u5c31\u63d0\u4f9b\u4e86\u96c6\u5408\u3001\u7ebf\u7a0b\u3001IO\u3001\u7f51\u7edc\u7b49\u5e38\u7528\u529f\u80fd\uff0c\u4eceC\u548cC++\u9886\u5730\u90a3\u91cc\u5438\u5f15\u4e86\u5927\u91cf\u7a0b\u5e8f\u5458\u8fc7\u6765\u52a0\u76df\uff0c\u4f46\u662f\u5374\u6709\u610f\u65e0\u610f\u5730\u5ffd\u7565\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u529f\u80fd\uff1a \u8f93\u51fa\u65e5\u5fd7\u3002<\/p>\n

\u5bf9\u4e8e\u8fd9\u4e00\u70b9\uff0cIO\u5927\u81e3\u5176\u5b9e\u975e\u5e38\u6e05\u695a\uff0c \u65e5\u5fd7\u662f\u4e2a\u5f88\u91cd\u8981\u7684\u4e1c\u897f\uff0c \u56e0\u4e3a\u7a0b\u5e8f\u8fd0\u884c\u8d77\u6765\u4ee5\u540e\uff0c \u57fa\u672c\u4e0a\u5c31\u662f\u4e00\u4e2a\u9ed1\u76d2\u5b50\uff0c\u5982\u679c\u7a0b\u5e8f\u7684\u884c\u4e3a\u548c\u9884\u6599\u7684\u4e0d\u4e00\u81f4\uff0c\u90a3\u5c31\u662f\u51fa\u73b0Bug\u4e86\uff0c\u5982\u4f55\u53bb\u5b9a\u4f4d\u8fd9\u4e2aBug \u5462?<\/p>\n

\u81e3\u6c11\u4eec\u80fd\u7528\u7684\u5de5\u5177\u6709\u4e24\u4e2a\uff0c\u7b2c\u4e00\u4e2a\u5c31\u662f\u5355\u6b65\u8c03\u8bd5\uff0c\u4e00\u6b65\u6b65\u5730\u8ddf\u8e2a\uff0c\u67e5\u770b\u4ee3\u7801\u4e2d\u53d8\u91cf\u7684\u503c\uff0c \u8fd9\u79cd\u529e\u6cd5\u8d39\u65f6\u8d39\u529b\uff0c \u5e76\u4e14\u53ea\u80fd\u5728\u7a0b\u5e8f\u5458\u7684\u673a\u5668\u4e0a\u624d\u80fd\u7528\u3002<\/p>\n

\u7b2c\u4e8c\u79cd\u5c31\u662f\u5728\u7279\u5b9a\u7684\u5730\u65b9\u6253\u5370\u65e5\u5fd7\uff0c \u901a\u8fc7\u65e5\u5fd7\u7684\u8f93\u51fa\uff0c\u5e2e\u52a9\u5feb\u901f\u5b9a\u4f4d\u3002\u5c24\u5176\u662f\u5f53\u4ee3\u7801\u5728\u751f\u4ea7\u73af\u5883\u4e0a\u8dd1\u8d77\u6765\u4ee5\u540e\uff0c \u65e5\u5fd7\u4fe1\u606f\u66f4\u662f\u5fc5\u4e0d\u53ef\u5c11\uff0c\u8981\u4e0d\u7136\u51fa\u4e86\u72b6\u51b5\u4e24\u773c\u4e00\u62b9\u9ed1\uff0c\u4e0a\u54ea\u513f\u627e\u95ee\u9898\u53bb\uff1f \u603b\u4e0d\u80fd\u8ba9\u81e3\u6c11\u4eec\u628a\u81ea\u5df1\u53d8\u6210\u4e00\u4e2a\u7ebf\u7a0b\u8fdb\u5165\u7cfb\u7edf\u6765\u6267\u884c\u5427\uff1f<\/p>\n

\u4f46\u662fIO\u5927\u81e3\u4e5f\u6709\u81ea\u5df1\u7684\u5c0f\u7b97\u76d8\uff1a \u65e5\u5fd7\u561b\uff0c \u7528\u6211\u7684System.out.println(…..) \u4e0d\u5c31\u53ef\u4ee5\u4e86\uff1f\uff01\u00a0 \u00a0\u6211\u8fd8\u63d0\u4f9b\u4e86System.err.println\u4e0d\u662f\uff1f<\/p>\n

\u5728IO\u5927\u81e3\u7684\u963b\u6320\u4e0b\uff0c \u4ece\u5e1d\u56fd\u7684\u7b2c\u4e00\u4ee3\u56fd\u738b\u5230\u7b2c\u4e09\u4ee3\u56fd\u738b\uff0c \u90fd\u6ca1\u6709\u5728JDK\u4e2d\u63d0\u4f9b\u65e5\u5fd7\u76f8\u5173\u7684\u5de5\u5177\u5305\uff0c \u81e3\u6c11\u4eec\u53ea\u597d\u5fcd\u53d7\u7740\u53bb\u4f7f\u7528System.out.println\u53bb\u8f93\u51fa\u65e5\u5fd7\uff0c\u628a\u6240\u6709\u7684\u4fe1\u606f\u90fd\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff0c \u8ba9\u90a3\u91cc\u53d8\u6210\u4e00\u5806\u5783\u573e\u3002<\/p>\n

\n
\n
2\u5f20\u5bb6\u6751<\/strong><\/span><\/section>\n<\/section>\n<\/section>\n

\u00a0\u5f20\u5bb6\u6751\u7684\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u4e5f\u4e0d\u80fd\u5e78\u514d\uff0c\u81ea\u7136\u4e5f\u9047\u5230\u4e86\u65e5\u5fd7\u7684\u95ee\u9898\u3002\u7ecf\u9a8c\u4e30\u5bcc\u7684\u8001\u6751\u957f\u5df2\u7ecf\u70e6\u900f\u4e86System.out.println\u6240\u8f93\u51fa\u7684\u5927\u91cf\u96be\u4e8e\u7406\u89e3\u7684\u65e0\u7528\u4fe1\u606f\uff0c\u770b\u7740\u6751\u6c11\u6c11\u6574\u5929\u82e6\u903c\u5730\u548c\u8fd9\u4e9bSystem.out\u505a\u6597\u4e89\uff0c\u4ed6\u627e\u6765\u4e86\u5c0f\u5f20\uff0c\u547d\u4ee4\u4ed6\u8bbe\u8ba1\u4e00\u4e2a\u901a\u7528\u7684\u5904\u7406\u65e5\u5fd7\u7684\u7cfb\u7edf\u3002<\/p>\n

\u5c0f\u5f20\u5728\u6d88\u606f\u961f\u5217\u548cJMS\u7684\u8bbe\u8ba1\u4e0a\u82b1\u4e86\u4e0d\u5c11\u529f\u592b\uff0c \u79ef\u7d2f\u4e86\u4e30\u5bcc\u7684\u7ecf\u9a8c\uff0c\u4ece\u90a3\u4ee5\u540e\u4e00\u76f4\u90fd\u662f\u5b9e\u73b0\u4e1a\u52a1\u4ee3\u7801\uff0c\u4e00\u76f4\u90fd\u662fCRUD\uff0c \u5f20\u4e8c\u59ae\u6574\u5929\u7b11\u8bdd\u81ea\u5df1\u662fHTML\u586b\u7a7a\u4eba\u5458\uff0c\u8fd9\u4e00\u56de\u4e00\u5b9a\u8981\u8ba9\u5979\u770b\u770b\u81ea\u5df1\u7684\u8bbe\u8ba1\u529f\u529b\uff01<\/p>\n

\u8001\u6751\u957f\u7ed9\u5c0f\u5f20\u4e0b\u8fbe\u7684\u9700\u6c42\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n

1.\u00a0 \u65e5\u5fd7\u6d88\u606f\u9664\u4e86\u80fd\u6253\u5370\u5230\u63a7\u5236\u53f0\uff0c \u8fd8\u53ef\u4ee5\u8f93\u51fa\u5230\u6587\u4ef6\uff0c\u751a\u81f3\u53ef\u4ee5\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u51fa\u53bb\uff08\u4f8b\u5982\u751f\u6210\u73af\u5883\u51fa\u9519\u7684\u6d88\u606f\uff09<\/p>\n

2. \u65e5\u5fd7\u5185\u5bb9\u5e94\u8be5\u53ef\u4ee5\u505a\u683c\u5f0f\u5316\uff0c \u4f8b\u5982\u53d8\u6210\u7eaf\u6587\u672c\uff0cXML, HTML\u683c\u5f0f\u7b49\u7b49<\/p>\n

3. \u5bf9\u4e8e\u4e0d\u540c\u7684Java class\uff0c\u4e0d\u540c\u7684 package \uff0c \u8fd8\u6709\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7\uff0c\u5e94\u8be5\u53ef\u4ee5\u7075\u6d3b\u5730\u8f93\u51fa\u5230\u4e0d\u540c\u7684\u6587\u4ef6\u4e2d\u3002<\/p>\n

\u4f8b\u5982\u5bf9\u4e8ecom.foo \u8fd9\u4e2apackage\uff0c\u6240\u6709\u7684\u65e5\u5fd7\u90fd\u8f93\u51fa\u5230 foo.log \u6587\u4ef6\u4e2d<\/p>\n

\u5bf9\u4e8ecom.bar \u8fd9\u4e2apackage \uff0c\u6240\u6709\u6587\u4ef6\u90fd\u8f93\u51fa\u5230bar. log\u6587\u4ef6\u4e2d<\/p>\n

\u5bf9\u4e8e\u6240\u6709\u7684ERROR\u7ea7\u522b\u7684\u65e5\u5fd7\uff0c\u90fd\u8f93\u51fa\u5230\u00a0 errors.log\u6587\u4ef6\u4e2d<\/p>\n

4. \u80fd\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5206\u7ea7\uff0c \u6709\u4e9b\u65e5\u5fd7\u7eaf\u5c5edebug \uff0c \u5728\u672c\u673a\u6216\u8005\u6d4b\u8bd5\u73af\u5883\u4f7f\u7528\uff0c \u65b9\u4fbf\u7a0b\u5e8f\u5458\u7684\u8c03\u8bd5\uff0c \u751f\u4ea7\u73af\u5883\u5b8c\u5168\u4e0d\u9700\u8981\u3002\u6709\u4e9b\u65e5\u5fd7\u662f\u63cf\u8ff0\u9519\u8bef(error)\u7684\uff0c \u5728\u751f\u4ea7\u73af\u5883\u4e0b\u51fa\u9519\u7684\u8bdd\u5fc5\u987b\u8981\u8bb0\u5f55\u4e0b\u6765\uff0c\u5e2e\u52a9\u540e\u7eed\u7684\u5206\u6790\u3002<\/p>\n

\u5c0f\u5f20\u4ed4\u7ec6\u770b\u4e86\u770b\uff0c\u62cd\u7740\u80f8\u812f\u5bf9\u8001\u6751\u957f\u8bf4\uff1a\u201c\u6ca1\u95ee\u9898\uff0c \u660e\u5929\u4e00\u5b9a\u8ba9\u60a8\u8001\u770b\u5230\u7ed3\u679c\u3002\u201d<\/p>\n

\n
\n
3\u5c0f\u5f20\u7684\u8bbe\u8ba1<\/strong><\/span><\/section>\n<\/section>\n<\/section>\n

\u8001\u6751\u957f\u8d70\u4e86\u4ee5\u540e\uff0c\u5c0f\u5f20\u5f00\u59cb\u5206\u6790\u9700\u6c42\uff0c \u796d\u51fa\u201c\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u5927\u6cd5\u201d\uff0c\u8bd5\u56fe\u4ece\u6751\u957f\u7684\u9700\u6c42\u4e2d\u62bd\u8c61\u51fa\u4e00\u70b9\u6982\u5ff5\u3002<\/p>\n

\u9996\u5148\u8981\u8bb0\u5f55\u65e5\u5fd7\uff0c\u80af\u5b9a\u9700\u8981\u4e00\u4e2a\u7c7b\u6765\u8868\u8fbe\u65e5\u5fd7\u7684\u6982\u5ff5\uff0c\u8fd9\u4e2a\u7c7b\u81f3\u5c11\u5e94\u8be5\u6709\u4e24\u4e2a\u5c5e\u6027\uff0c\u4e00\u4e2a\u662f\u65f6\u95f4\u6233\uff0c\u4e00\u4e2a\u662f\u6d88\u606f\u672c\u8eab\uff0c\u628a\u5b83\u53eb\u505aLoggingEvent<\/strong>\u5427\uff0c\u8bb0\u5f55\u65e5\u5fd7\u5c31\u50cf\u8bb0\u5f55\u4e00\u4e2a\u4e8b\u4ef6\u561b\u3002<\/p>\n

\u5176\u6b21\u662f\u65e5\u5fd7\u53ef\u4ee5\u8f93\u51fa\u5230\u4e0d\u540c\u7684\u5730\u65b9\uff0c\u63a7\u5236\u53f0\u3001\u6587\u4ef6\u3001\u90ae\u4ef6\u7b49\u7b49\uff0c \u8fd9\u4e2a\u53ef\u4ee5\u62bd\u8c61\u4e00\u4e0b\uff0c\u4e0d\u5c31\u662f\u5199\u5230\u4e0d\u540c\u7684\u76ee\u7684\u5730\u5417\uff1f \u53ef\u4ee5\u53eb\u505aLogDestination\uff1f<\/p>\n

\u55ef\uff0c \u8fd8\u662f\u7b80\u5355\u4e00\u70b9\uff0c\u53eb\u505aAppender<\/strong>\u5427\uff0c \u6697\u542b\u4e86\u53ef\u4ee5\u4e0d\u65ad\u8ffd\u52a0\u65e5\u5fd7\u7684\u610f\u601d\u3002<\/p>\n

\"log1\"<\/a><\/p>\n

\u81f3\u4e8e\u7b2c\u4e8c\u6761\u7684\u65e5\u5fd7\u5185\u5bb9\u53ef\u4ee5\u683c\u5f0f\u5316\uff0c\u5b8c\u5168\u53ef\u4ee5\u6bd4\u846b\u82a6\u753b\u74e2\uff0c \u5b9a\u4e49\u4e00\u4e2aFormatter\u63a5\u53e3\u53bb\u683c\u5f0f\u5316\u6d88\u606f\u3002<\/p>\n

\"log2\"<\/a><\/p>\n

\u5bf9\u4e86\uff0c Appender \u5e94\u8be5\u5f15\u7528Formatter \uff0c\u8fd9\u6837\u4ee5\u6765\u5c31\u53ef\u4ee5\u5bf9LoggingEvent\u8bb0\u5f55\u683c\u5f0f\u5316\u4ee5\u540e\u518d\u53d1\u9001\u3002<\/p>\n

\u7b2c\u4e09\u6761\u9700\u6c42\u628a\u5c0f\u5f20\u7ed9\u96be\u4f4f\u4e86\uff0c\u4e0d\u540c\u7684class, package \u8f93\u51fa\u7684\u76ee\u7684\u5730\u4e0d\u540c\uff1f\u00a0 \u201c\u76ee\u7684\u5730\u201d\u8fd9\u4e2a\u6982\u5ff5\u662f\u7531Appender\u6765\u8868\u8fbe\u7684\uff0c \u96be\u9053\u8ba9\u4e0d\u540c\u7684class, package \u548cAppender\u5173\u8054\uff1f \u4e0d\u4e0d\uff0c \u4e0d\u80fd\u8fd9\u6837 \uff01<\/p>\n

\u8fd8\u9700\u8981\u4e00\u4e2a\u65b0\u7684\u6982\u5ff5 \uff0c \u8fd9\u4e2a\u6982\u5ff5\u662f\u4ec0\u4e48\uff1f<\/p>\n

\u4ece\u7528\u6237\u89d2\u5ea6\u60f3\u4e00\u4e0b\uff0c \u6751\u6c11\u4eec\u8981\u60f3\u83b7\u53d6\u65e5\u5fd7\uff0c\u5fc5\u987b\u5f97\u5148\u83b7\u53d6\u4e2a\u4ec0\u4e48\u4e1c\u897f\uff0c\u8fd9\u4e2a\u4e1c\u897f\u662f\u4e0d\u662f\u53ef\u4ee5\u79f0\u4e3aLogger\u554a\uff1f\u00a0 \u7075\u611f\u7684\u706b\u82b1\u5c31\u95ea\u4e86\u90a3\u4e48\u4e00\u4e0b\u5c31\u88ab\u5c0f\u5f20\u6293\u4f4f\u4e86\uff1a \u83b7\u53d6Logger\u7684\u65f6\u5019\u8981\u4f20\u5165\u7c7b\u540d\u6216\u8005\u5305\u540d\uff01<\/p>\n

\"log3\"<\/a><\/p>\n

 <\/p>\n

\u8fd9\u6837\u4e00\u6765\uff0c\u4e0d\u540c\u7684class, package\u5c31\u533a\u5206\u5f00\u4e86\uff0c \u7136\u540e\u8ba9Logger \u548cAppender\u5173\u8054\uff0c\u7075\u6d3b\u5730\u8bbe\u7f6e\u65e5\u5fd7\u7684\u76ee\u7684\u5730\uff0c \u5e76\u4e14\u4e00\u4e2aLogger\u53ef\u4ee5\u62e5\u6709\u591a\u4e2aAppender\uff0c\u540c\u4e00\u6761\u65e5\u5fd7\u6d88\u606f\u53ef\u4ee5\u8f93\u51fa\u5230\u591a\u4e2a\u5730\u65b9\uff0c \u5b8c\u7f8e\uff01<\/p>\n

\"log4\"<\/a><\/p>\n

 <\/p>\n

\u5c0f\u5f20\u8fc5\u901f\u5730\u753b\u51fa\u4e86\u6838\u5fc3\u7c7b\u7684\u7c7b\u56fe\uff1a<\/p>\n

\"log5\"<\/a><\/p>\n

 <\/p>\n

\u8fd8\u7b97\u6f02\u4eae\uff0c\u5c0f\u5f20\u9676\u9189\u7740\u81ea\u6211\u6b23\u8d4f\u4e86\u4e00\u4e0b\u3002<\/p>\n

\u518d\u63a5\u518d\u5389\uff0c \u628a\u7b2c\u56db\u6761\u9700\u6c42\u4e5f\u8bbe\u8ba1\u4e00\u4e0b\uff0c\u65e5\u5fd7\u8981\u5206\u7ea7\uff0c\u8fd9\u4e2a\u7b80\u5355\uff0c \u5b9a\u4e49\u4e00\u4e2aPriority\u7684\u7c7b\uff0c\u91cc\u8fb9\u5b9a\u4e495\u4e2a\u5e38\u91cfDEBUG, INFO, WARN, ERROR, FATAL\uff0c \u8868\u793a5\u4e2a\u4e0d\u540c\u7684\u7ea7\u522b\u5c31OK\u4e86\u3002\u5f53\u7136\u8fd9\u62115\u4e2a\u7ea7\u522b\u6709\u9ad8\u4f4e\u4e4b\u5206\uff0c DEBUG\u7ea7\u522b\u6700\u4f4e\uff0c FATAL\u7ea7\u522b\u6700\u9ad8\u3002<\/p>\n

\u8fd8\u53ef\u4ee5\u7ed9Logger\u589e\u52a0\u4e00\u4e9b\u8f85\u52a9\u7f16\u7a0b\u7684\u65b9\u6cd5\uff0c\u5982Logger.debug(….) , Logger.info(…)\u00a0 , Logger.warn(…) \u7b49\u7b49\uff0c \u8fd9\u6837\u6751\u6c11\u4eec\u5c06\u6765\u5c31\u53ef\u4ee5\u8f7b\u677e\u5730\u8f93\u51fa\u5404\u79cd\u7ea7\u522b\u7684\u65e5\u5fd7\u4e86\u3002<\/p>\n

\u7b49\u4e00\u4e0b\uff0c \u8001\u6751\u957f\u8fd8\u8bf4\u8fc7\u201c\u5bf9\u4e8e\u6240\u6709\u7684ERROR\u7ea7\u522b\u7684\u65e5\u5fd7\uff0c\u90fd\u8f93\u51fa\u5230\u00a0 errors.log\u6587\u4ef6\u4e2d\u201d \u7c7b\u4f3c\u8fd9\u6837\u7684\u9700\u6c42\uff0c \u597d\u50cf\u7ed9\u5ffd\u7565\u4e86\u3002<\/p>\n

\u8fd9\u4e5f\u597d\u529e\u561b\uff0c \u53ea\u8981\u5728Appender\u4e0a\u589e\u52a0\u4e00\u4e2a\u5c5e\u6027\uff0c\u5c31\u53eb\u505aPriority\uff0c \u5982\u679c\u7528\u6237\u8981\u8f93\u51fa\u7684\u65e5\u5fd7\u662fDEBUG\u7ea7\u522b\uff0c \u4f46\u662f\u6709\u4e2aFileAppender\u7684Priority\u662f ERROR\u7ea7\u522b\uff0c\u90a3\u8fd9\u4e2a\u65e5\u5fd7\u5c31\u4e0d\u7528\u5728\u8fd9\u4e2aFileAppender\u4e2d\u8f93\u51fa\u4e86 \uff0c\u56e0\u4e3aERROR\u7ea7\u522b\u6bd4DEBUG\u7ea7\u522b\u9ad8\u561b\u3002<\/p>\n

\u540c\u7406\uff0c \u5728Logger\u7c7b\u4e0a\u4e5f\u53ef\u4ee5\u589e\u52a0\u4e00\u4e2aPriority\u7684\u5c5e\u6027\uff0c\u7528\u6237\u53ef\u4ee5\u53bb\u8bbe\u7f6e\uff0c \u5982\u679c\u4e00\u4e2aLogger\u7684Priority\u662fERROR\uff0c \u800c\u7528\u6237\u8c03\u7528\u4e86\u8fd9\u4e2aLogger\u7684debug\u65b9\u6cd5\uff0c \u90a3\u8fd9\u4e2adebug \u7684\u6d88\u606f\u4e5f\u4e0d\u4f1a\u8f93\u51fa\u3002<\/p>\n

\u5c0f\u5f20\u5168\u5fc3\u5168\u610f\u5730\u6295\u5165\u5230\u8bbe\u8ba1\u5f53\u4e2d\uff0c\u4e00\u770b\u65f6\u95f4\uff0c \u90fd\u5feb\u534a\u591c\u4e86\uff0c \u8d76\u7d27\u4f11\u606f\uff0c \u660e\u5929\u5411\u6751\u957f\u6c47\u62a5\u53bb\u3002<\/p>\n

\n
\n
4\u6b63\u4ea4\u6027<\/strong><\/span><\/section>\n<\/section>\n<\/section>\n

\u7b2c\u4e8c\u5929\uff0c \u5c0f\u5f20\u7ed9\u8001\u6751\u957f\u5c55\u793a\u4e86\u81ea\u5df1\u8bbe\u8ba1\u7684LoggerEvent, Logger , Appender, Formatter, Priority \u7b49\u7c7b\u548c\u63a5\u53e3\uff0c \u8001\u6751\u957f\u637b\u7740\u80e1\u5b50\u6ee1\u610f\u5730\u70b9\u70b9\u5934\uff1a\u201c\u4e0d\u9519\u4e0d\u9519\uff0c\u4e0e\u4e0a\u4e00\u6b21\u76f8\u6bd4\u6709\u5de8\u5927\u7684\u8fdb\u6b65\u3002\u4f60\u77e5\u4e0d\u77e5\u9053\u6211\u5728\u9700\u6c42\u4e2d\u5176\u5b9e\u7ed9\u4e86\u4f60\u5f15\u5bfc\uff1f\u201d<\/p>\n

\u201c\u5f15\u5bfc\uff1f \u4ec0\u4e48\u5f15\u5bfc\uff1f \u201d<\/p>\n

\u201c\u5c31\u662f\u8ba9\u4f60\u671d\u7740\u6b63\u4ea4\u7684\u65b9\u5411\u53bb\u52aa\u529b\u554a\u201d<\/p>\n

\u201c\u6b63\u4ea4\uff1f \u201d<\/p>\n

\u2018\u201c\u5982\u679c\u4f60\u628aLogger, Appender, Formatter\u770b\u6210\u5750\u6807\u7cfb\u4e2d\u7684X\u8f74\uff0cY\u8f74\uff0cZ\u8f74\uff0c \u4f60\u770b\u770b\uff0c\u8fd9\u4e09\u8005\u662f\u4e0d\u662f\u53ef\u4ee5\u72ec\u7acb\u53d8\u5316\u800c\u4e0d\u4e92\u76f8\u5f71\u54cd\u554a\uff1f\u201d<\/p>\n

\"log6\"<\/a><\/p>\n

 <\/p>\n

\u201c\u6211\u8d5b\uff0c\u679c\u7136\u5982\u6b64\uff0c\u6211\u53ef\u4ee5\u4efb\u610f\u6269\u5c55Appender\u63a5\u53e3\u800c\u5f71\u54cd\u4e0d\u5230Logger\u548cFormatter\uff0c \u65e0\u8bba\u6709\u591a\u5c11\u4e2aLogger \u90fd\u5f71\u54cd\u4e0d\u4e86Appender\u548cFormatter \uff0c \u8fd9\u5c31\u662f\u6b63\u4ea4\u4e86\uff1f\u201d<\/p>\n

\u201c\u662f\u554a\uff0c\u5f53\u4f60\u4ece\u7cfb\u7edf\u4e2d\u63d0\u53d6\u51fa\u6b63\u4ea4\u7684\u6982\u5ff5\u7684\u65f6\u5019\uff0c\u90a3\u5c31\u5a01\u529b\u65e0\u6bd4\u4e86\uff0c\u56e0\u4e3a\u53d8\u5316\u88ab\u5c01\u88c5\u5728\u4e86\u4e00\u4e2a\u7ef4\u5ea6\u4e0a\uff0c\u4f60\u53ef\u4ee5\u628a\u8fd9\u4e9b\u6982\u5ff5\u4efb\u610f\u7ec4\u5408\uff0c\u800c\u4e0d\u4f1a\u53d8\u6210\u610f\u5927\u5229\u9762\u6761\u4f3c\u7684\u4ee3\u7801\u3002 \u201d<\/p>\n

\u542c\u5230\u6751\u957f\u505a\u4e86\u7406\u8bba\u7684\u5347\u534e\uff0c \u5c0f\u5f20\u5174\u594b\u5f97\u76f4\u6413\u624b\u3002<\/p>\n

\u201c\u597d\u5427\uff0c\u4f60\u628a\u8fd9\u4e2a\u8bbe\u8ba1\u5b9e\u73b0\u4e86\u5427\uff0c\u5bf9\u4e86\uff0c\u4f60\u6253\u7b97\u53eb\u4ec0\u4e48\u540d\u5b57\uff1f \u201d\u00a0 \u6751\u957f\u95ee\u9053<\/p>\n

\u201c\u6211\u6253\u7b97\u628a\u4ed6\u53eb\u505aLog4j , \u610f\u601d\u662fLog for Java\u201d<\/p>\n

\u201c\u4e0d\u9519\uff0c\u5c31\u8fd9\u4e48\u5b9a\u4e86\u5427\u201d<\/p>\n

\n
\n
5Log4j<\/strong><\/span><\/section>\n<\/section>\n<\/section>\n

\u5c0f\u5f20\u53c8\u82b1\u4e86\u4e24\u4e2a\u6708\u7684\u65f6\u95f4\u628aLog4j \u5f00\u53d1\u4e86\u51fa\u6765\uff0c \u7531\u4e8eLog4j\u6709\u7740\u826f\u597d\u7684\u8bbe\u8ba1\uff0c\u4f18\u5f02\u7684\u6027\u80fd\uff0c \u4e0d\u4ec5\u4ec5\u662f\u5f20\u5bb6\u6751\u7684\u4eba\u5728\u7528\uff0c Java\u5e1d\u56fd\u7684\u5f88\u591a\u6751\u9547\u3001\u90e8\u843d\u90fd\u7231\u4e0a\u4e86\u5b83\u3002<\/p>\n

\u540e\u6765\u5f20\u5bb6\u6751\u628aLog4j \u5728Apache\u90e8\u843d\u5f00\u6e90\u4e86\uff0c \u8fd9\u4e0b\u5b50\u5438\u5f15\u4e86\u65e0\u6570\u7684\u4eba\u65e0\u507f\u5e2e\u52a9\u6d4b\u8bd5\u5b83\uff0c\u6269\u5c55\u5b83\uff0c\u6539\u8fdb\u5b83\uff0c \u5f88\u5feb\u5c31\u6210\u4e86\u5e1d\u56fd\u6700\u6d41\u884c\u7684\u65e5\u5fd7\u5de5\u5177\u3002<\/p>\n

\u5f20\u5bb6\u6751\u5efa\u8bae\u5e1d\u56fd\u628aLog4j \u7eb3\u5165\u5230JDK \u4e2d\uff0c \u5e1d\u56fd\u90a3\u6548\u7387\u4f4e\u4e0b\u7684\u5b98\u50da\u673a\u6784\u7adf\u7136\u62d2\u7edd\u4e86\u3002\u00a0 \u6d88\u606f\u4f20\u5230\u4e86IO\u5927\u81e3\u7684\u8033\u6735\u91cc\uff0c\u4ed6\u4e0d\u7531\u7684\u627c\u8155\u53f9\u606f\uff1a \u5509\uff0c\u5931\u53bb\u4e86\u4e00\u6b21\u6781\u597d\u7684\u62db\u5b89\u673a\u4f1a\u554a\u3002 \u73b0\u5728\u552f\u4e00\u7684\u529e\u6cd5\u5c31\u662f\u8d76\u7d27\u4e0a\u594f\u7687\u4e0a\uff0c\u5728\u5b98\u65b9\u4e5f\u63d0\u4f9b\u4e00\u5957\uff0c\u4e89\u53d6\u8ba9\u81e3\u6c11\u4eec\u4f7f\u7528\u5b98\u65b9\u7248\u672c\u3002<\/p>\n

\u5230\u4e86\u7b2c\u56db\u4ee3\u56fd\u738b\uff08JDK1.4)\uff0c\u81e3\u6c11\u4eec\u7ec8\u4e8e\u770b\u5230\u4e86\u5e1d\u56fd\u63d0\u4f9b\u7684java.util.logging\u5305\uff0c\u4e5f\u662f\u7528\u6765\u8bb0\u5f55\u65e5\u5fd7\u7684\uff0c\u5e76\u4e14\u5176\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5Logger, Formatter, Handler \u548c Log4j\u975e\u5e38\u76f8\u4f3c\uff0c\u53ea\u662f\u4e3a\u65f6\u5df2\u665a\uff0c Log4j\u65e9\u5df2\u6df1\u5165\u4eba\u5fc3\u4e86\uff0c \u4e0d\u53ef\u64bc\u52a8\u4e86\u3002<\/p>\n

\n
\n
6\u5c3e\u58f0<\/strong><\/span><\/section>\n<\/section>\n<\/section>\n

Log4j \u5728Apache\u5f00\u6e90\u4ee5\u540e\uff0c \u5c0f\u5f20\u4e5f\u9010\u6e10\u5730\u6709\u70b9\u843d\u5bde\uff0c\u4ed6\u95f2\u4e0d\u4f4f\u53c8\u5199\u4e86\u4e00\u4e2a\u5de5\u5177\uff0c\u53eb\u505alogback, \u6709\u4e86\u4e4b\u524d\u7684\u7ecf\u9a8c\uff0c\u8fd9logback \u6bd4log4j \u8fd8\u8981\u5feb\u3002<\/p>\n

\u5982\u4eca\u7684\u65e5\u5fd7\u4e16\u754c\u6709\u4e86\u5f88\u591a\u7684\u9009\u62e9 \uff0c\u9664\u4e86java.util.logging, log4j \u4e4b\u5916\uff0c\u8fd8\u6709logback\uff0ctinylog \u7b49\u5176\u4ed6\u5de5\u5177\u3002<\/p>\n

\u5c0f\u5f20\u60f3\u4e86\u60f3\uff0c \u8fd9\u4e48\u591a\u65e5\u5fd7\u5de5\u5177\uff0c\u7528\u6237\u5982\u679c\u60f3\u5207\u6362\u4e86\u600e\u4e48\u529e\uff1f\u4e0d\u60f3\u7528log4j\u4e86\uff0c\u80fd\u6362\u5230logback\u5417\uff1f<\/p>\n

\u6211\u8fd8\u662f\u63d0\u4f9b\u4e00\u4e2a\u62bd\u8c61\u5c42\u5427\uff0c \u7528\u6237\u7528\u8fd9\u4e2a\u62bd\u8c61\u5c42\u7684API\u6765\u5199\u65e5\u5fd7\uff0c \u5e95\u5c42\u5177\u4f53\u7528\u4ec0\u4e48\u65e5\u5fd7\u5de5\u5177\u4e0d\u7528\u5173\u5fc3\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u79fb\u690d\u4e86\u3002<\/p>\n

\u5c0f\u5f20\u628a\u8fd9\u62bd\u8c61\u5c42\u5c31\u53eb\u505aSimple Logging Facade for Java\uff0c\u7b80\u79f0SLF4J\u3002<\/p>\n

\"log7\"<\/a><\/p>\n

\u5bf9\u4e8eLog4j , JDK logging, tinylog \u7b49\u5de5\u5177\uff0c \u9700\u8981\u4e00\u4e2a\u9002\u914d\u5c42\uff0c \u628aSLF4J \u7684API\u8f6c\u5316\u6210\u5177\u4f53\u5de5\u5177\u7684\u8c03\u7528\u63a5\u53e3\u3002<\/p>\n

\u7531\u4e8eLogback\u8fd9\u4e2a\u5de5\u5177\u4e5f\u662f\u51fa\u81ea\u5c0f\u5f20\u4e4b\u624b\uff0c \u76f4\u63a5\u5b9e\u73b0\u4e86SLF4J\u7684API\uff0c\u6240\u4ee5\u8fde\u9002\u914d\u5c42\u90fd\u4e0d\u9700\u8981\u4e86\uff0c \u7528\u8d77\u6765\u901f\u5ea6\u98de\u5feb\uff0c\u6548\u7387\u6700\u9ad8\uff0cSLFJ4+Logback \u6210\u4e3a\u4e86\u5f88\u591a\u4eba\u7684\u6700\u7231\uff0c \u5927\u6709\u8d85\u8d8aApache Common Logging + Log4j \u4e4b\u52bf\u3002<\/p>\n

\n
\u540e\u8bb0\uff1a \u672c\u6587\u4e3b\u8981\u60f3\u8bb2\u4e00\u4e0b\u65e5\u5fd7\u5de5\u5177\u7684\u5386\u53f2\u548c\u73b0\u72b6\uff0c \u5c24\u5176\u662fLog4j\u6838\u5fc3\u7684\u8bbe\u8ba1\u7406\u5ff5\u3002\u6587\u4e2d\u7684\u5c0f\u5f20\u5176\u5b9e\u5c31\u662fCeki G\u00fclc\u00fc\uff0c\u4ed6\u5f00\u53d1\u4e86Log4j , logback,\u4ee5\u53caslfj4\uff0c \u4e3aJava\u7684\u65e5\u5fd7\u4e8b\u4e1a\u505a\u51fa\u4e86\u5353\u8d8a\u7684\u8d21\u732e\u3002<\/p>\n

\u539f\u6587\u51fa\u5904:\u4f5c\u8005\uff1a\u5218\u6b23<\/a>\uff0c\u6765\u81ea\uff1a\u7801\u519c\u7ffb\u8eab(ID\uff1acoderising)<\/p>\n

 <\/p>\n<\/section>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

1\u524d\u8a00 Java\u5e1d\u56fd\u5728\u8bde\u751f\u4e4b\u521d\u5c31\u63d0\u4f9b\u4e86\u96c6\u5408\u3001\u7ebf\u7a0b\u3001IO\u3001\u7f51\u7edc\u7b49\u5e38\u7528\u529f\u80fd\uff0c\u4eceC\u548cC++\u9886\u5730\u90a3\u91cc\u5438\u5f15\u4e86\u5927\u91cf\u7a0b\u5e8f\u5458\u8fc7 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,102],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2193"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2193"}],"version-history":[{"count":5,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2193\/revisions"}],"predecessor-version":[{"id":2205,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2193\/revisions\/2205"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}