{"id":2507,"date":"2021-04-09T17:11:58","date_gmt":"2021-04-09T09:11:58","guid":{"rendered":"\/?p=2507"},"modified":"2021-04-09T17:11:58","modified_gmt":"2021-04-09T09:11:58","slug":"31-%e9%80%82%e9%85%8d%e5%99%a8%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/xinblog.ltd\/?p=2507","title":{"rendered":"31.\u9002\u914d\u5668\u6a21\u5f0f"},"content":{"rendered":"<p>\u6211\u4eec\u8fd9\u6b21\u6765\u5b66\u4e60\u4e0b\u9002\u914d\u5668\u6a21\u5f0f,\u4e3b\u8981\u5b66\u4e60\u4e24\u79cd\u7c7b\u9002\u914d\u5668\u548c\u5bf9\u8c61\u9002\u914d\u5668\u5b9e\u73b0\u65b9\u5f0f,\u4ee5\u53ca5\u79cd\u5e38\u89c1\u5e94\u7528\u573a\u666f,<\/p>\n<p>\u9002\u914d\u5668\u6a21\u5f0f\u53ef\u4ee5\u8bf4\u662f\u7ed9\u4e0d\u517c\u5bb9\u7684\u63a5\u53e3\u51c6\u5907\u7684,\u8ba9\u672c\u6765\u63a5\u53e3\u4e0d\u517c\u5bb9\u4e0d\u80fd\u4e00\u8d77\u5de5\u4f5c\u7684\u7c7b\u53ef\u4ee5\u4e00\u8d77\u5de5\u4f5c,\u800c\u5176\u5b9e\u73b0\u6709\u4e24\u79cd\u6bd4\u8f83\u5e38\u89c1\u7684,\u4e00\u79cd\u662f\u7c7b\u9002\u914d\u5668\u6a21\u5f0f\u4e00\u79cd\u662f\u5bf9\u8c61\u9002\u914d\u5668\u6a21\u5f0f,\u7c7b\u9002\u914d\u5668\u6a21\u5f0f\u4f7f\u7528\u7ee7\u627f\u5173\u7cfb\u6765\u5b9e\u73b0,\u5bf9\u8c61\u9002\u914d\u5668\u6a21\u5f0f\u4f7f\u7528\u7ec4\u5408\u6765\u5b9e\u73b0<\/p>\n<p>\u50cf\u4e0b\u9762,\u5c31\u662f\u7c7b\u9002\u914d\u5668\u548c\u5bf9\u8c61\u9002\u914d\u5668\u7684\u5e38\u89c1\u5b9e\u73b0\u65b9\u5f0f,\u4e0b\u9762\u53ef\u4ee5\u770b\u51fa\u4e24\u79cd\u5b9e\u73b0,ITaget\u662f\u8981\u8f6c\u6362\u6210\u7684\u63a5\u53e3\u5b9a\u4e49,Adaptee\u662f\u4e00\u7ec4\u4e0d\u517c\u5bb9ITarget\u7684\u63a5\u53e3,Adaptor\u5c06Adaptee\u8f6c\u6362\u4e3a\u4e86\u4e00\u7ec4\u7b26\u5408ITarget\u63a5\u53e3\u5b9a\u4e49\u7684\u63a5\u53e3<\/p>\n<table>\n<tbody>\n<tr>\n<td>\/\/ \u7c7b\u9002\u914d\u5668: \u57fa\u4e8e\u7ee7\u627f<\/p>\n<p>public interface ITarget {<\/p>\n<p>void f1();<\/p>\n<p>void f2();<\/p>\n<p>void fc();<\/p>\n<p>}<\/p>\n<p>public class Adaptee {<\/p>\n<p>public void fa() { \/\/&#8230; }<\/p>\n<p>public void fb() { \/\/&#8230; }<\/p>\n<p>public void fc() { \/\/&#8230; }<\/p>\n<p>}<\/p>\n<p>public class Adaptor extends Adaptee implements ITarget {<\/p>\n<p>public void f1() {<\/p>\n<p>super.fa();<\/p>\n<p>}<\/p>\n<p>public void f2() {<\/p>\n<p>\/\/&#8230;\u91cd\u65b0\u5b9e\u73b0f2()&#8230;<\/p>\n<p>}<\/p>\n<p>\/\/ \u8fd9\u91ccfc()\u4e0d\u9700\u8981\u5b9e\u73b0\uff0c\u76f4\u63a5\u7ee7\u627f\u81eaAdaptee\uff0c\u8fd9\u662f\u8ddf\u5bf9\u8c61\u9002\u914d\u5668\u6700\u5927\u7684\u4e0d\u540c\u70b9<\/p>\n<p>}<\/p>\n<p>\/\/ \u5bf9\u8c61\u9002\u914d\u5668\uff1a\u57fa\u4e8e\u7ec4\u5408<\/p>\n<p>public interface ITarget {<\/p>\n<p>void f1();<\/p>\n<p>void f2();<\/p>\n<p>void fc();<\/p>\n<p>}<\/p>\n<p>public class Adaptee {<\/p>\n<p>public void fa() { \/\/&#8230; }<\/p>\n<p>public void fb() { \/\/&#8230; }<\/p>\n<p>public void fc() { \/\/&#8230; }<\/p>\n<p>}<\/p>\n<p>public class Adaptor implements ITarget {<\/p>\n<p>private Adaptee adaptee;<\/p>\n<p>public Adaptor(Adaptee adaptee) {<\/p>\n<p>this.adaptee = adaptee;<\/p>\n<p>}<\/p>\n<p>public void f1() {<\/p>\n<p>adaptee.fa(); \/\/\u59d4\u6258\u7ed9Adaptee<\/p>\n<p>}<\/p>\n<p>public void f2() {<\/p>\n<p>\/\/&#8230;\u91cd\u65b0\u5b9e\u73b0f2()&#8230;<\/p>\n<p>}<\/p>\n<p>public void fc() {<\/p>\n<p>adaptee.fc();<\/p>\n<p>}<\/p>\n<p>}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u4f55\u53bb\u9009\u62e9\u662f\u7528\u90a3\u79cd\u5b9e\u73b0\u65b9\u5f0f,\u5982\u679cAdapter\u7684\u63a5\u53e3\u4e0d\u8fc7,\u7ee7\u627f\u5173\u7cfb\u4e0d\u590d\u6742,\u4f7f\u7528\u54ea\u79cd\u5b9e\u73b0\u65b9\u5f0f\u90fd\u53ef\u4ee5<\/p>\n<p>\u5982\u679cAdaptee\u63a5\u53e3\u5f88\u591a,\u800cAdaptee\u548cITarget\u63a5\u53e3\u5b9a\u4e49\u5927\u90e8\u5206\u76f8\u540c,\u4f7f\u7528\u7c7b\u9002\u914d\u5427<\/p>\n<p>\u5982\u679c\u591a,\u800c\u4e14\u5b9a\u4e49\u4e0d\u540c,\u8fd8\u662f\u4f7f\u7528\u5bf9\u8c61\u9002\u914d\u5668\u5427,\u66f4\u52a0\u7075\u6d3b<\/p>\n<p>\u90a3\u4e48\u9002\u914d\u5668\u6a21\u5f0f\u7684\u4f7f\u7528\u8bb2\u5b8c\u4e86,\u4ec0\u4e48\u65f6\u5019\u4f1a\u7528\u5230\u9002\u914d\u5668\u6a21\u5f0f\u5462?<\/p>\n<p>\u9002\u914d\u5668\u6a21\u5f0f\u53ef\u4ee5\u770b\u4f5c\u4e00\u79cd\u8865\u507f\u6a21\u5f0f,\u7528\u6765\u8865\u6551\u8bbe\u8ba1\u4e0a\u7684\u7f3a\u9677,\u4ec0\u4e48\u6837\u7684\u7f3a\u9677\u5462,\u53ef\u4ee5\u770b\u5982\u4e0b\u7684<\/p>\n<p>1.\u5c01\u88c5\u6709\u7f3a\u9677\u7684\u63a5\u53e3\u8bbe\u8ba1<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u4f9d\u8d56\u7684\u5916\u90e8\u7cfb\u7edf\u5728\u63a5\u53e3\u8bbe\u8ba1\u7684\u65b9\u9762\u6709\u7f3a\u9677,\u5f15\u5165\u4e4b\u540e\u4f1a\u5f71\u54cd\u5230\u81ea\u8eab\u70b9\u7684\u53ef\u6d4b\u8bd5\u6027,\u53ef\u4ee5\u5bf9\u8fd9\u79cd\u63a5\u53e3\u8fdb\u884c\u4e8c\u6b21\u5c01\u88c5<\/p>\n<table>\n<tbody>\n<tr>\n<td>public class CD { \/\/\u8fd9\u4e2a\u7c7b\u6765\u81ea\u5916\u90e8sdk\uff0c\u6211\u4eec\u65e0\u6743\u4fee\u6539\u5b83\u7684\u4ee3\u7801<\/p>\n<p>\/\/&#8230;<\/p>\n<p>public static void staticFunction1() { \/\/&#8230; }<\/p>\n<p>public void uglyNamingFunction2() { \/\/&#8230; }<\/p>\n<p>public void tooManyParamsFunction3(int paramA, int paramB, &#8230;) { \/\/&#8230; }<\/p>\n<p>public void lowPerformanceFunction4() { \/\/&#8230; }<\/p>\n<p>}<\/p>\n<p>\/\/ \u4f7f\u7528\u9002\u914d\u5668\u6a21\u5f0f\u8fdb\u884c\u91cd\u6784<\/p>\n<p>public class ITarget {<\/p>\n<p>void function1();<\/p>\n<p>void function2();<\/p>\n<p>void fucntion3(ParamsWrapperDefinition paramsWrapper);<\/p>\n<p>void function4();<\/p>\n<p>\/\/&#8230;<\/p>\n<p>}<\/p>\n<p>\/\/ \u6ce8\u610f\uff1a\u9002\u914d\u5668\u7c7b\u7684\u547d\u540d\u4e0d\u4e00\u5b9a\u975e\u5f97\u672b\u5c3e\u5e26Adaptor<\/p>\n<p>public class CDAdaptor extends CD implements ITarget {<\/p>\n<p>\/\/&#8230;<\/p>\n<p>public void function1() {<\/p>\n<p>super.staticFunction1();<\/p>\n<p>}<\/p>\n<p>public void function2() {<\/p>\n<p>super.uglyNamingFucntion2();<\/p>\n<p>}<\/p>\n<p>public void function3(ParamsWrapperDefinition paramsWrapper) {<\/p>\n<p>super.tooManyParamsFunction3(paramsWrapper.getParamA(), &#8230;);<\/p>\n<p>}<\/p>\n<p>public void function4() {<\/p>\n<p>\/\/&#8230;reimplement it&#8230;<\/p>\n<p>}<\/p>\n<p>}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>2.\u7edf\u4e00\u5916\u90e8\u7cfb\u7edf\u7684\u63a5\u53e3<\/p>\n<p>\u5982\u679c\u6211\u4eec\u6709\u591a\u4e2a\u5916\u90e8\u7684\u8fc7\u6ee4\u5668,\u5bf9\u7528\u6237\u8f93\u5165\u7684\u8bed\u53e5\u4f9d\u6b21\u8fdb\u884c\u8fc7\u6ee4,\u4f46\u662f\u6bcf\u4e2a\u8fc7\u6ee4\u63a5\u53e3\u4e0d\u4e00\u6837,\u4e3a\u4e86\u65b9\u4fbf\u4f7f\u7528,\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u9002\u914d\u4e3a\u7edf\u4e00\u7684\u63a5\u53e3<\/p>\n<table>\n<tbody>\n<tr>\n<td>public class ASensitiveWordsFilter { \/\/ A\u654f\u611f\u8bcd\u8fc7\u6ee4\u7cfb\u7edf\u63d0\u4f9b\u7684\u63a5\u53e3<\/p>\n<p>\/\/text\u662f\u539f\u59cb\u6587\u672c\uff0c\u51fd\u6570\u8f93\u51fa\u7528***\u66ff\u6362\u654f\u611f\u8bcd\u4e4b\u540e\u7684\u6587\u672c<\/p>\n<p>public String filterSexyWords(String text) {<\/p>\n<p>\/\/ &#8230;<\/p>\n<p>}<\/p>\n<p>public String filterPoliticalWords(String text) {<\/p>\n<p>\/\/ &#8230;<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>public class BSensitiveWordsFilter\u00a0 { \/\/ B\u654f\u611f\u8bcd\u8fc7\u6ee4\u7cfb\u7edf\u63d0\u4f9b\u7684\u63a5\u53e3<\/p>\n<p>public String filter(String text) {<\/p>\n<p>\/\/&#8230;<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>public class CSensitiveWordsFilter { \/\/ C\u654f\u611f\u8bcd\u8fc7\u6ee4\u7cfb\u7edf\u63d0\u4f9b\u7684\u63a5\u53e3<\/p>\n<p>public String filter(String text, String mask) {<\/p>\n<p>\/\/&#8230;<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>\/\/ \u672a\u4f7f\u7528\u9002\u914d\u5668\u6a21\u5f0f\u4e4b\u524d\u7684\u4ee3\u7801\uff1a\u4ee3\u7801\u7684\u53ef\u6d4b\u8bd5\u6027\u3001\u6269\u5c55\u6027\u4e0d\u597d<\/p>\n<p>public class RiskManagement {<\/p>\n<p>private ASensitiveWordsFilter aFilter = new ASensitiveWordsFilter();<\/p>\n<p>private BSensitiveWordsFilter bFilter = new BSensitiveWordsFilter();<\/p>\n<p>private CSensitiveWordsFilter cFilter = new CSensitiveWordsFilter();<\/p>\n<p>public String filterSensitiveWords(String text) {<\/p>\n<p>String maskedText = aFilter.filterSexyWords(text);<\/p>\n<p>maskedText = aFilter.filterPoliticalWords(maskedText);<\/p>\n<p>maskedText = bFilter.filter(maskedText);<\/p>\n<p>maskedText = cFilter.filter(maskedText, &#8220;***&#8221;);<\/p>\n<p>return maskedText;<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>\/\/ \u4f7f\u7528\u9002\u914d\u5668\u6a21\u5f0f\u8fdb\u884c\u6539\u9020<\/p>\n<p>public interface ISensitiveWordsFilter { \/\/ \u7edf\u4e00\u63a5\u53e3\u5b9a\u4e49<\/p>\n<p>String filter(String text);<\/p>\n<p>}<\/p>\n<p>public class ASensitiveWordsFilterAdaptor implements ISensitiveWordsFilter {<\/p>\n<p>private ASensitiveWordsFilter aFilter;<\/p>\n<p>public String filter(String text) {<\/p>\n<p>String maskedText = aFilter.filterSexyWords(text);<\/p>\n<p>maskedText = aFilter.filterPoliticalWords(maskedText);<\/p>\n<p>return maskedText;<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>\/\/&#8230;\u7701\u7565BSensitiveWordsFilterAdaptor\u3001CSensitiveWordsFilterAdaptor&#8230;<\/p>\n<p>\/\/ \u6269\u5c55\u6027\u66f4\u597d\uff0c\u66f4\u52a0\u7b26\u5408\u5f00\u95ed\u539f\u5219\uff0c\u5982\u679c\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u654f\u611f\u8bcd\u8fc7\u6ee4\u7cfb\u7edf\uff0c<\/p>\n<p>\/\/ \u8fd9\u4e2a\u7c7b\u5b8c\u5168\u4e0d\u9700\u8981\u6539\u52a8\uff1b\u800c\u4e14\u57fa\u4e8e\u63a5\u53e3\u800c\u975e\u5b9e\u73b0\u7f16\u7a0b\uff0c\u4ee3\u7801\u7684\u53ef\u6d4b\u8bd5\u6027\u66f4\u597d\u3002<\/p>\n<p>public class RiskManagement {<\/p>\n<p>private List&lt;ISensitiveWordsFilter&gt; filters = new ArrayList&lt;&gt;();<\/p>\n<p>public void addSensitiveWordsFilter(ISensitiveWordsFilter filter) {<\/p>\n<p>filters.add(filter);<\/p>\n<p>}<\/p>\n<p>public String filterSensitiveWords(String text) {<\/p>\n<p>String maskedText = text;<\/p>\n<p>for (ISensitiveWordsFilter filter : filters) {<\/p>\n<p>maskedText = filter.filter(maskedText);<\/p>\n<p>}<\/p>\n<p>return maskedText;<\/p>\n<p>}<\/p>\n<p>}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>3.\u66ff\u6362\u4f9d\u8d56\u7684\u5916\u90e8\u7cfb\u7edf<\/p>\n<p>\u5f53\u6211\u4eec\u5c06\u5916\u90e8\u4f9d\u8d56\u7684\u4e00\u4e2a\u7cfb\u7edf\u66ff\u6362\u4e3a\u53e6\u4e00\u4e2a\u7cfb\u7edf\u7684\u65f6\u5019,\u4f7f\u7528\u9002\u914d\u5668\u6a21\u5f0f,\u53ef\u4ee5\u51cf\u5c11\u5bf9\u4ee3\u7801\u7684\u6539\u52a8<\/p>\n<table>\n<tbody>\n<tr>\n<td>\/\/ \u5916\u90e8\u7cfb\u7edfA<\/p>\n<p>public interface IA {<\/p>\n<p>\/\/&#8230;<\/p>\n<p>void fa();<\/p>\n<p>}<\/p>\n<p>public class A implements IA {<\/p>\n<p>\/\/&#8230;<\/p>\n<p>public void fa() { \/\/&#8230; }<\/p>\n<p>}<\/p>\n<p>\/\/ \u5728\u6211\u4eec\u7684\u9879\u76ee\u4e2d\uff0c\u5916\u90e8\u7cfb\u7edfA\u7684\u4f7f\u7528\u793a\u4f8b<\/p>\n<p>public class Demo {<\/p>\n<p>private IA a;<\/p>\n<p>public Demo(IA a) {<\/p>\n<p>this.a = a;<\/p>\n<p>}<\/p>\n<p>\/\/&#8230;<\/p>\n<p>}<\/p>\n<p>Demo d = new Demo(new A());<\/p>\n<p>\/\/ \u5c06\u5916\u90e8\u7cfb\u7edfA\u66ff\u6362\u6210\u5916\u90e8\u7cfb\u7edfB<\/p>\n<p>public class BAdaptor implemnts IA {<\/p>\n<p>private B b;<\/p>\n<p>public BAdaptor(B b) {<\/p>\n<p>this.b= b;<\/p>\n<p>}<\/p>\n<p>public void fa() {<\/p>\n<p>\/\/&#8230;<\/p>\n<p>b.fb();<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>\/\/ \u501f\u52a9BAdaptor\uff0cDemo\u7684\u4ee3\u7801\u4e2d\uff0c\u8c03\u7528IA\u63a5\u53e3\u7684\u5730\u65b9\u90fd\u65e0\u9700\u6539\u52a8\uff0c<\/p>\n<p>\/\/ \u53ea\u9700\u8981\u5c06BAdaptor\u5982\u4e0b\u6ce8\u5165\u5230Demo\u5373\u53ef\u3002<\/p>\n<p>Demo d = new Demo(new BAdaptor(new B()));<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>4.\u517c\u5bb9\u8001\u7248\u672c\u7684\u63a5\u53e3<\/p>\n<p>\u5bf9\u4e8e\u4e00\u4e9b\u8981\u5e9f\u5f03\u7684\u63a5\u53e3,\u6211\u4eec\u4e0d\u76f4\u63a5\u5c06\u5176\u5220\u9664,\u800c\u662f\u77ed\u6682\u7684\u4fdd\u7559,\u5e76\u4e14\u6807\u4e3adeprecated,\u5185\u90e8\u903b\u8f91\u4e5f\u59d4\u6258\u5230\u65b0\u7684\u63a5\u53e3\u5b9e\u73b0\u4e0a,\u8fd9\u6837\u505a\u7684\u8bdd,\u53ef\u4ee5\u8ba9\u5176\u6709\u4e00\u4e2a\u8fc7\u6e21\u671f,\u6bd4\u5982\u5728JDK1.0\u7684\u65f6\u5019,\u6709\u4e00\u4e2a\u5305\u542b\u904d\u5386\u96c6\u5408\u5bb9\u5668\u7684\u7c7bEnumeration,\u5728JDK2.0\u7684\u65f6\u5019\u8fdb\u884c\u91cd\u6784,\u5c06\u5176\u6539\u4e3a\u4e86Iterator\u7c7b,\u505a\u4e86\u4f18\u5316,<\/p>\n<p>\u4f46\u662f\u5982\u679c\u76f4\u63a5\u5220\u9664\u4e86Enumeration\u7c7b\u7684\u8bdd,\u4f1a\u5bfc\u81f4\u4ee5\u524d\u4f7f\u7528JDK1.0\u4ee3\u7801\u7684\u9879\u76ee\u7f16\u8bd1\u4e0d\u901a\u8fc7,\u4e8e\u662f\u6682\u65f6\u4fdd\u7559\u4e86Enumeration\u7c7b,\u66ff\u6362\u4e3a\u4e86\u76f4\u63a5\u8c03\u7528Itertor<\/p>\n<table>\n<tbody>\n<tr>\n<td>public class Collections {<\/p>\n<p>public static Emueration emumeration(final Collection c) {<\/p>\n<p>return new Enumeration() {<\/p>\n<p>Iterator i = c.iterator();<\/p>\n<p>public boolean hasMoreElments() {<\/p>\n<p>return i.hashNext();<\/p>\n<p>}<\/p>\n<p>public Object nextElement() {<\/p>\n<p>return i.next():<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>5.\u9002\u914d\u4e0d\u540c\u683c\u5f0f\u7684\u6570\u636e<\/p>\n<p>\u5bf9\u4e8e\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e,\u53ef\u4ee5\u8f6c\u6362\u4e3a\u540c\u4e00\u79cd\u6570\u636e\u683c\u5f0f,\u6bd4\u5982Java\u4e2d\u7684Arrays.asList()\u4e5f\u662f\u4e00\u79cd\u9002\u914d\u5668,\u5c06\u6570\u7ec4\u7edf\u4e00\u8f6c\u4e3a\u96c6\u5408\u6a21\u5f0f<\/p>\n<p>\u800c\u4e14\u6700\u5e38\u89c1\u7684,\u5c31\u662f\u4f7f\u7528\u5728Java\u65e5\u5fd7\u4e2d<\/p>\n<p>\u5728Java\u4e2d,\u6709\u5e38\u89c1\u7684log4j,logback,\u4ee5\u53caJDK\u63d0\u4f9b\u7684JUL\u548cApache\u7684JCL\u7b49<\/p>\n<p>\u4f46\u662f\u6bcf\u79cd\u65e5\u5fd7\u6846\u67b6\u4e4b\u95f4\u6ca1\u6709\u7edf\u4e00\u7684\u63a5\u53e3,\u90a3\u5982\u679c\u9879\u76ee\u7684\u67d0\u4e2a\u7ec4\u4ef6\u4f7f\u7528\u4e86log4j\u6765\u6253\u5370,\u800c\u5176\u4ed6\u7684\u9879\u76ee\u4f7f\u7528\u4e86logback\u65f6\u5019,\u5c31\u4f1a\u6709\u4e24\u79cd\u65e5\u5fd7\u6846\u67b6,\u800c\u4e14\u8fd8\u9700\u8981\u7ed9\u6846\u67b6\u7f16\u5199\u4e0d\u540c\u7684\u914d\u7f6e\u6587\u4ef6<\/p>\n<p>\u90a3\u4e48\u5c31\u9700\u8981\u7edf\u4e00\u65e5\u5fd7\u6765\u6253\u5370,\u4e3a\u4e86\u7edf\u4e00\u63a5\u53e3\u5b64\u5e06,\u51fa\u73b0\u4e86Slf4j,\u5176\u540c\u610f\u4e86\u63a5\u53e3\u6253\u5370\u7684\u89c4\u8303,\u4e0d\u8fc7\u53ea\u5b9a\u4e49\u4e86\u63a5\u53e3,\u6ca1\u6709\u63d0\u4f9b\u5177\u4f53\u7684\u5b9e\u73b0,\u9700\u8981\u914d\u5408\u5176\u4ed6\u7684\u65e5\u5fd7\u6846\u67b6\u4f7f\u7528<\/p>\n<p>Slf4j\u63d0\u4f9b\u4e86\u5176\u4ed6\u65e5\u5fd7\u6846\u67b6\u7684\u9002\u914d\u5668,\u5bf9\u4e0d\u540c\u7684\u6846\u67b6\u63a5\u53e3\u8fdb\u884c\u4e86\u4e8c\u6b21\u5c01\u88c5<\/p>\n<table>\n<tbody>\n<tr>\n<td>\/\/ slf4j\u7edf\u4e00\u7684\u63a5\u53e3\u5b9a\u4e49<\/p>\n<p>package org.slf4j;<\/p>\n<p>public interface Logger {<\/p>\n<p>public boolean isTraceEnabled();<\/p>\n<p>public void trace(String msg);<\/p>\n<p>public void trace(String format, Object arg);<\/p>\n<p>public void trace(String format, Object arg1, Object arg2);<\/p>\n<p>public void trace(String format, Object[] argArray);<\/p>\n<p>public void trace(String msg, Throwable t);<\/p>\n<p>public boolean isDebugEnabled();<\/p>\n<p>public void debug(String msg);<\/p>\n<p>public void debug(String format, Object arg);<\/p>\n<p>public void debug(String format, Object arg1, Object arg2)<\/p>\n<p>public void debug(String format, Object[] argArray)<\/p>\n<p>public void debug(String msg, Throwable t);<\/p>\n<p>\/\/&#8230;\u7701\u7565info\u3001warn\u3001error\u7b49\u4e00\u5806\u63a5\u53e3<\/p>\n<p>}<\/p>\n<p>\/\/ log4j\u65e5\u5fd7\u6846\u67b6\u7684\u9002\u914d\u5668<\/p>\n<p>\/\/ Log4jLoggerAdapter\u5b9e\u73b0\u4e86LocationAwareLogger\u63a5\u53e3\uff0c<\/p>\n<p>\/\/ \u5176\u4e2dLocationAwareLogger\u7ee7\u627f\u81eaLogger\u63a5\u53e3\uff0c<\/p>\n<p>\/\/ \u4e5f\u5c31\u76f8\u5f53\u4e8eLog4jLoggerAdapter\u5b9e\u73b0\u4e86Logger\u63a5\u53e3\u3002<\/p>\n<p>package org.slf4j.impl;<\/p>\n<p>public final class Log4jLoggerAdapter extends MarkerIgnoringBase<\/p>\n<p>implements LocationAwareLogger, Serializable {<\/p>\n<p>final transient org.apache.log4j.Logger logger; \/\/ log4j<\/p>\n<p>public boolean isDebugEnabled() {<\/p>\n<p>return logger.isDebugEnabled();<\/p>\n<p>}<\/p>\n<p>public void debug(String msg) {<\/p>\n<p>logger.log(FQCN, Level.DEBUG, msg, null);<\/p>\n<p>}<\/p>\n<p>public void debug(String format, Object arg) {<\/p>\n<p>if (logger.isDebugEnabled()) {<\/p>\n<p>FormattingTuple ft = MessageFormatter.format(format, arg);<\/p>\n<p>logger.log(FQCN, Level.DEBUG, ft.getMessage(), ft.getThrowable());<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>public void debug(String format, Object arg1, Object arg2) {<\/p>\n<p>if (logger.isDebugEnabled()) {<\/p>\n<p>FormattingTuple ft = MessageFormatter.format(format, arg1, arg2);<\/p>\n<p>logger.log(FQCN, Level.DEBUG, ft.getMessage(), ft.getThrowable());<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>public void debug(String format, Object[] argArray) {<\/p>\n<p>if (logger.isDebugEnabled()) {<\/p>\n<p>FormattingTuple ft = MessageFormatter.arrayFormat(format, argArray);<\/p>\n<p>logger.log(FQCN, Level.DEBUG, ft.getMessage(), ft.getThrowable());<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>public void debug(String msg, Throwable t) {<\/p>\n<p>logger.log(FQCN, Level.DEBUG, msg, t);<\/p>\n<p>}<\/p>\n<p>\/\/&#8230;\u7701\u7565\u4e00\u5806\u63a5\u53e3\u7684\u5b9e\u73b0&#8230;<\/p>\n<p>}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u7edf\u4e00\u7684Slf4j\u6765\u6253\u5370\u65e5\u5fd7\u7684\u4ee3\u7801,\u800c\u5177\u4f53\u4f7f\u7528\u54ea\u79cd\u6846\u67b6\u5b9e\u73b0,\u662f\u53ef\u4ee5\u52a8\u6001\u6307\u5b9a\u7684<\/p>\n<p>\u800c\u4e14 \u5176\u8fd8\u652f\u6301\u53cd\u5411\u9002\u914d \u5c31\u662f\u8ba9\u5176\u4eceSlf4j\u5230\u5176\u4ed6\u65e5\u5fd7\u6846\u67b6\u7684\u53cd\u8f6c\u6362,\u53ef\u4ee5\u5c06JCL\u8f6c\u4e3aSlf4j,\u518d\u4eceSlf4j\u8f6c\u4e3alog4j<\/p>\n<p>\u90a3\u4e48\u672c\u7ae0\u7684\u91cd\u70b9\u4e3a\u5916\u4e8b\u4e86,\u9002\u914d\u5668\u6a21\u5f0f\u662f\u7528\u4e8e\u505a\u9002\u914d\u7684,\u5c06\u4e0d\u517c\u5bb9\u7684\u63a5\u53e3\u8f6c\u4e3a\u517c\u5bb9\u7684\u63a5\u53e3<\/p>\n<p>\u5b9e\u73b0\u7684\u65b9\u5f0f\u4e24\u79cd\u6709 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