{"id":61,"date":"2007-02-07T18:26:39","date_gmt":"2007-02-07T10:26:39","guid":{"rendered":"https:\/\/lifeparty.idv.tw\/blog\/archives\/61"},"modified":"2007-12-11T15:29:34","modified_gmt":"2007-12-11T07:29:34","slug":"%e8%bb%9f%e9%ab%94%e9%96%8b%e7%99%bc%e7%9a%84%e6%b2%92%e5%95%8f%e9%a1%8c%e7%97%87%e5%80%99%e7%be%a4","status":"publish","type":"post","link":"https:\/\/lifeparty.idv.tw\/blog\/archives\/61","title":{"rendered":"\u8edf\u9ad4\u958b\u767c\u7684\u6c92\u554f\u984c\u75c7\u5019\u7fa4"},"content":{"rendered":"<p>\u6700\u8fd1\u6709\u4eba\u627e\u6211\u8a0e\u8ad6\u5c08\u6848\u4e2d\u65e5\u8a8c\u529f\u80fd\u7684\u6574\u5408\u554f\u984c\uff0c\u4ed6\u8a8d\u70ba\u4ee5 <a href=\"http:\/\/en.wikipedia.org\/wiki\/Interface_%28Java%29\">log4j<\/a> <a href=\"http:\/\/en.wikipedia.org\/wiki\/Implementation_inheritance\">\u5be6\u4f5c<\/a>\u7684 Logger \u5df2\u7d93\u5b8c\u6210\u4e86\uff0c\u6240\u4ee5\u7cfb\u7d71\u5f8c\u7aef\u7684 <a href=\"http:\/\/en.wikipedia.org\/wiki\/Service-oriented_architecture_implementation_framework\">service \u5be6\u4f5c<\/a>\u61c9\u8a72\u76f4\u63a5\u547c\u53eb\u5230\u9019\u500b\u7279\u5b9a\u5be6\u4f5c\u3002<\/p>\n<p>\u4e0d\u5c0d\u5427\uff01\u4f9d\u64da\u6211\u5011\u7cfb\u7d71\u7684<a href=\"http:\/\/en.wikipedia.org\/wiki\/Software_architecture\">\u67b6\u69cb<\/a>\uff0c\u4efb\u4f55\u7684\u5be6\u4f5c\u4e0d\u61c9\u8a72<a href=\"http:\/\/en.wikipedia.org\/wiki\/Coupling_%28computer_science%29\">\u76f8\u4f9d<\/a>\u5230\u5176\u5b83\u7684\u5be6\u4f5c\uff0c\u800c\u662f\u8b93\u6709 log \u9700\u6c42\u7684 service \u5be6\u4f5c\u64c1\u6709\u4e00\u500b\u6a19\u6e96\u7684 Logger <a href=\"http:\/\/en.wikipedia.org\/wiki\/Interface_%28Java%29\">\u754c\u9762<\/a>\uff0c\u4e0d\u7ba1\u4ee5\u4ec0\u9ebc\u65b9\u6cd5\u5be6\u4f5c\u4f60\u7684 Logger\uff0c\u53ea\u8981\u5be6\u4f5c\u9019\u500b\u6a19\u6e96\u7684\u754c\u9762\u5c31\u53ef\u4ee5\u4e0d\u8b93 service \u5be6\u4f5c\u88ab\u53e6\u4e00\u500b\u5be6\u4f5c\u4f86\u7d81\u4f4f\uff0c\u9019\u662f\u6211\u5011\u7684<a href=\"http:\/\/en.wikipedia.org\/wiki\/Loosely_Coupled\">\u9b06\u7d81\u7b56\u7565<\/a>\uff0c\u4e00\u76f4\u4ee5\u4f86\u6211\u5011\u5c31\u662f\u9019\u6a23\u505a\u7684\u5440\uff01\u539f\u4f86\u7528 console \u7684 SystemOut \u5be6\u4f5c\uff0c\u800c\u73fe\u5728\u53ea\u8981\u628a\u90a3\u500b\u5be6\u4f5c\u62bd\u63db\u6389\uff0c\u56e0\u70ba\u6211\u5011\u7528 <a href=\"http:\/\/www.springframework.org\">springframework<\/a> \u4f86\u505a<a href=\"http:\/\/en.wikipedia.org\/wiki\/Inversion_of_Control\">\u53cd\u8f49\u63a7\u5236<\/a>\uff0c\u6240\u4ee5\u9023 <a href=\"http:\/\/en.wikipedia.org\/wiki\/Factory_pattern\">Factory<\/a> \u7a0b\u5f0f\u90fd\u4e0d\u7528\u5beb\uff0c\u53ea\u8981\u8a2d\u5b9a context \u628a Logger \u7684 <a href=\"http:\/\/en.wikipedia.org\/wiki\/JavaBeans\">bean<\/a> \u61c9\u5c0d\u7684 <a href=\"http:\/\/en.wikipedia.org\/wiki\/Java_class\">class<\/a> \u63db\u6389\u5c31\u641e\u5b9a\u4e86\u3002<\/p>\n<p>\u53ef\u662f\u5c0d\u65b9\u4f3c\u4e4e\u5f88\u5805\u6301\uff0c\u8a8d\u70ba\u7528\u6ce8\u5165\u7684\u65b9\u5f0f\u592a\u8907\u96dc\u4e86\uff0c\u4ed6\u60f3\u8981\u7528\u975c\u614b\u9023\u63a5\uff0c\u53ea\u8981\u7528\u4e00\u884c\u7a0b\u5f0f\u5c31\u597d\u4e86\uff0c\u4e0d\u7528\u8a2d\u4ec0\u9ebc\u8a2d\u5b9a\u6a94\uff0c\u4e5f\u4e0d\u7528\u5ba3\u544a <a href=\"http:\/\/en.wikipedia.org\/wiki\/Attribute_%28computing%29\">attribute<\/a> \u53ca\u5be6\u4f5c <a href=\"http:\/\/en.wikipedia.org\/wiki\/Accessor_method\">setter \u53ca getter<\/a>\u3002<\/p>\n<p>\u6211\u767c\u73fe\u518d\u9019\u6a23\u8a0e\u8ad6\u4e0b\u53bb\uff0c\u554f\u984c\u597d\u50cf\u6703\u5931\u7126\u55b2\uff0c\u65bc\u662f\u554f\u9053\uff1a\u8acb\u554f\u73fe\u884c\u8a2d\u8a08\u6709\u4ec0\u9ebc\u9700\u6c42\u4e0d\u80fd\u6eff\u8db3\u55ce\uff1f\u5c0d\u65b9\u56de\u61c9\uff1a\u53ef\u4ee5\u6eff\u8db3\uff0c\u4f46\u9019\u6a23\u4f5c\u5f88\u8907\u96dc\uff0c\u7a0b\u5f0f\u4e0d\u597d\u5beb\uff0c\u56e0\u70ba&#8230;\u3002\u5176\u5be6\u6211\u4e0d\u60f3\u807d\u4ed6\u89e3\u91cb\uff0c\u70ba\u4ec0\u9ebc\uff1f\u56e0\u70ba\u65e2\u7136\u9700\u6c42\u53ef\u4ee5\u6eff\u8db3\uff0c\u5c31\u6c92\u6709\u5fc5\u8981\u6539\u8b8a\u6211\u5011\u7684\u8a2d\u8a08\uff0c\u4ed6\u60f3\u8981\u505a\u7684\u4e8b\u662f\u4ee5\u7279\u5b9a\u5be6\u4f5c\u4f86\u4e3b\u5c0e\u8a2d\u8a08\uff0c\u800c\u4e0d\u662f\u9762\u5c0d\u554f\u984c\u4f86\u8abf\u6574\u8a2d\u8a08\uff0c\u65e2\u7136\u8981\u7528\u9019\u7a2e\u982d\u75db\u91ab\u982d\uff0c\u8173\u75db\u91ab\u8173\u7684\u505a\u6cd5\uff0c\u90a3\u5c31\u4e0d\u9700\u8981\u67b6\u69cb\u7684\u85cd\u5716\u4e86\uff0c\u800c\u53ef\u6190\u7684\u5c0d\u65b9\u4ed6\u5176\u5be6\u662fNPS\uff08No-Problem Syndrome\uff09\uff0d\u6c92\u6709\u554f\u984c\u75c7\u5019\u7fa4\uff08<a href=\"http:\/\/www.geraldmweinberg.com\/Bookstuff\/Each_Book\/BTL.html\">Gerald M. Weinberg\uff0c1986<\/a>\uff09\u7684\u60a3\u8005\uff0c\u800c\u4e14\u4f3c\u4e4e\u75c5\u5f97\u4e0d\u8f15\u3002<!--more--><\/p>\n<p>\u9762\u5c0d\u6c92\u6709\u554f\u984c\u75c7\u5019\u7fa4\uff0c\u6211\u53ea\u80fd\u8aaa\uff1a\u60a8\u60f3\u505a\u5c31\u53bb\u505a\u5427\uff01\u51fa\u4e86\u554f\u984c\u4e0d\u8981\u4f86\u627e\u6211\uff0c\u6211\u4e0d\u60f3\u8a0e\u8ad6\u5c0d\u8a2d\u8a08\u4e3b\u89c0\u597d\u60e1\u8a8d\u5b9a\u7684\u554f\u984c\uff0c\u7121\u7aef\u66f4\u52d5\u53ef\u6eff\u8db3\u9700\u6c42\u7684\u8a2d\u8a08\u7684\u5f8c\u679c\u8acb\u60a8\u81ea\u884c\u8ca0\u8cac\u3002<\/p>\n<p>\u9019\u4ef6\u4e8b\u60c5\u5176\u5be6\u900f\u9732\u8457\u6211\u5011\u5c0d\u554f\u984c\u7ba1\u7406\u7684\u614b\u5ea6\u554f\u984c\uff0d\u6211\u5011\u662f\u4e0d\u662f\u8a72\u91dd\u5c0d\u554f\u984c\u4f86<a href=\"http:\/\/en.wikipedia.org\/wiki\/Planning\">\u898f\u5283<\/a>\u8207<a href=\"http:\/\/en.wikipedia.org\/wiki\/Controlling\">\u63a7\u5236<\/a>\uff0c\u5f88\u591a\u7a0b\u5f0f\u8a2d\u8a08\u5e2b\u559c\u6b61\u60f3\u5230\u90a3\u88e1\u5beb\u5230\u90a3\u88e1\uff0c\u7136\u800c\u7576\u554f\u984c\u898f\u6a21\u7684\u8907\u96dc\u5ea6\u5df2\u6f14\u8b8a\u5230\u60a8\u6240\u7121\u6cd5\u638c\u63e1\u6642\uff0c\u9019\u7a2e\u8b8a\u5316\u7121\u5e38\u7684\u505a\u6cd5\u6703\u70ba\u8edf\u9ad4\u958b\u767c\u904e\u7a0b\u4e2d\u5e36\u4f86\u8a31\u591a\u7684\u610f\u5916\uff0c\u6240\u4ee5\u6211\u5011\u5fc5\u9808\u8981\u91dd\u5c0d\u6211\u5011\u60f3\u89e3\u6c7a\u7684\u554f\u984c\u4f86\u8a08\u5283\uff0c\u4e26\u4e14\u4f9d\u7167\u554f\u984c\u6f14\u8b8a\u4f86\u63a7\u5236\u4f7f\u4e8b\u60c5\u7684\u7d50\u679c\u8da8\u9032\u6211\u5011\u7684\u9810\u671f\u3002\u5982\u679c\u6211\u5011\u627e\u4e0d\u5230\u554f\u984c\uff0c\u537b\u6709\u89e3\u6c7a\u65b9\u6848\u7522\u751f\uff0c\u5f88\u6709\u53ef\u80fd\u6211\u5011\u6b63\u5728<a href=\"https:\/\/lifeparty.idv.tw\/blog\/archives\/25\">\u4ee5\u6280\u8853\u4f86\u4e3b\u5c0e\u9700\u6c42<\/a>\uff0c\u7136\u800c\u6c92\u6709\u627e\u5230\u6b63\u78ba\u7684\u554f\u984c\uff0c\u505a\u7684\u4e8b\u60c5\u53ea\u662f\u5f92\u7136\u6d6a\u8cbb\u6642\u9593\u7f77\u4e86\uff0c\u9019\u8ddf\u6eba\u6c34\u7684\u4eba\u80e1\u4e82\u6399\u624e\u537b\u6108\u5f04\u6108\u7cdf\u7684\u60c5\u6cc1\u6709\u4f55\u5169\u6a23\u5462\uff1f<\/p>\n<p>\u59d1\u4e14\u4e0d\u8ad6<a href=\"http:\/\/william.cswiz.org\/blog\/archives\/2006-01-09\/conceptual-integrity\/#comment-538\">\u8a2d\u8a08\u8981\u4e0d\u8981\u8207\u5be6\u4f5c\u5206\u958b<\/a>\uff0c\u4e5f\u4e0d\u8981\u8a0e\u8ad6<a href=\"http:\/\/en.wikipedia.org\/wiki\/Dependency_injection\">\u76f8\u4f9d\u6ce8\u5165<\/a>\u662f\u4e0d\u662f\u597d\u65b9\u6cd5\u3002\u91dd\u5c0d\u771f\u5be6\u554f\u984c\u4f86\u8a2d\u8a08\uff0c\u5728\u8edf\u9ad4\u958b\u767c\u7684\u5be6\u969b\u4f5c\u6cd5\u5c31\u662f\u91dd\u5c0d\u554f\u984c\u4f86\u8a2d\u8a08\u754c\u9762\uff0c\u7136\u5f8c\u4f9d\u754c\u9762\u4f86\u627e\u5c0b\u9069\u7576\u7684\u6280\u8853\u89e3\u6c7a\u65b9\u6848\u4f86\u5be6\u73fe\u3002\u754c\u9762\u662f\u4e00\u7a2e<a href=\"http:\/\/en.wikipedia.org\/wiki\/Specifications\">\u898f\u683c<\/a>\uff0c\u4f9d\u64da\u898f\u683c\u4f86\u5be6\u73fe\u6280\u8853\u65b9\u6848\uff0c\u9019\u6a23\u624d\u80fd\u4f7f\u8a2d\u8a08\u8207\u5be6\u4f5c\u9054\u5230\u5747\u8861\uff0c\u800c\u4e0d\u6703\u4f7f\u8edf\u9ad4\u958b\u767c\u592a\u62bd\u8c61\u800c\u7121\u7528\u6216\u592a\u50f5\u5316\u800c\u7121\u7576\uff0c\u540c\u6642\u95dc\u6ce8\u8edf\u9ad4\u958b\u767c\u7684<a href=\"https:\/\/lifeparty.idv.tw\/blog\/archives\/38\">\u865b\u5be6\u4e4b\u9053<\/a>\u3002<\/p>\n<p><strong>\u5148\u6c7a\u5b9a\u6211\u5011\u8981\u4ec0\u9ebc\u518d\u53bb\u60f3\u6211\u5011\u6709\u4ec0\u9ebc\u5427\uff0c\u5343\u842c\u4e0d\u8981\u7528\u6211\u5011\u6709\u4ec0\u9ebc\u800c\u907a\u5fd8\u6211\u5011\u8981\u4ec0\u9ebc<\/strong>\u3002Logger \u7684\u5be6\u4f5c\u672a\u5be6\u73fe\u5148\u524d\u6240\u8a2d\u8a08\u7684\u898f\u683c\uff0c\u8070\u660e\u7684\u770b\u500c\u60a8\u770b\u5230\u4e86\u8a72\u600e\u9ebc\u8fa6\u4e86\u55ce\uff1f\u554f\u984c\u4e0d\u5728\u65bc\u8a2d\u8a08\u898f\u683c\u4e0d\u9069\u7528\uff0c\u6240\u4ee5\u66f4\u6539\u8a2d\u8a08\u898f\u683c\u662f\u6c92\u6709\u7528\u7684\uff0c\u554f\u984c\u662f\u51fa\u5728\u958b\u767c\u5718\u968a\u6c92\u6709\u6e9d\u901a\u597d\uff0c\u65e2\u7136\u5982\u6b64\uff0c\u6316\u6771\u7246\u88dc\u897f\u7246\u7136\u5f8c\u4ee5\u6c42\u524a\u8db3\u9069\u5c65\u7684\u505a\u6cd5\uff0c\u6839\u672c\u5c31\u6c92\u6709\u89e3\u6c7a\u554f\u984c\u3002\u60f3\u60f3<a href=\"https:\/\/lifeparty.idv.tw\/blog\/archives\/55\">\u5c08\u6848\u8b8a\u66f4\u7ba1\u5236\u7684\u4e09\u5927\u539f\u5247<\/a>\uff0c\u6c92\u6709\u9762\u5c0d\u554f\u984c\uff0c\u505a\u4e8b\u60c5\u600e\u9ebc\u6703\u6709\u6548\u679c\u5462\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u6709\u4eba\u627e\u6211\u8a0e\u8ad6\u5c08\u6848\u4e2d\u65e5\u8a8c\u529f\u80fd\u7684\u6574\u5408\u554f\u984c\uff0c\u4ed6\u8a8d\u70ba\u4ee5 log4j \u5be6\u4f5c\u7684 Logg &hellip; <a href=\"https:\/\/lifeparty.idv.tw\/blog\/archives\/61\">\u95b1\u8b80\u5168\u6587 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,28,19],"tags":[],"class_list":["post-61","post","type-post","status-publish","format-standard","hentry","category-24","category-28","category-19"],"_links":{"self":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/posts\/61","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/comments?post=61"}],"version-history":[{"count":0,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/posts\/61\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/media?parent=61"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/categories?post=61"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeparty.idv.tw\/blog\/wp-json\/wp\/v2\/tags?post=61"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}