{"id":2837,"date":"2020-12-24T15:16:52","date_gmt":"2020-12-24T07:16:52","guid":{"rendered":"http:\/\/127.0.0.2\/?p=2837"},"modified":"2020-12-27T16:16:28","modified_gmt":"2020-12-27T08:16:28","slug":"2020java%e6%a1%86%e6%9e%b6%e4%b9%8b%e6%97%a5%e5%bf%97%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.9713job.com\/?p=2837","title":{"rendered":"2020java\u6846\u67b6\u4e4b\u65e5\u5fd7\u7ba1\u7406"},"content":{"rendered":"

2020java\u6846\u67b6\u4e4b\u65e5\u5fd7\u7ba1\u7406<\/h3>\n

\u65e5\u5fd7\u4ecb\u7ecd\uff1a<\/strong><\/p>\n

\u7528\u4e8e\u8bb0\u5f55\u7cfb\u7edf\u4e2d\u53d1\u751f\u7684\u5404\u79cd\u4e8b\u4ef6\u3002\u8bb0\u5f55\u7684\u4f4d\u7f6e\u5e38\u89c1\u7684\u6709\uff1a\u63a7\u5236\u53f0\u3001\u78c1\u76d8\u6587\u4ef6\u7b49\u3002<\/p>\n

\u65e5\u5fd7\u7ea7\u522b\uff1a<\/strong><\/p>\n

\u65e5\u5fd7\u7ea7\u522b\u4ece\u4f4e\u5230\u9ad8\uff1a<\/p>\n

TRACE\u3001DEBUG\u3001INFO\u3001WARN\u3001ERROR\u3001FATAL<\/p>\n

\u65e5\u5fd7\u4f5c\u7528\uff1a<\/strong><\/p>\n

\u901a\u8fc7\u65e5\u5fd7\u89c2\u5bdf\u3001\u5206\u6790\u9879\u76ee\u7684\u8fd0\u884c\u60c5\u51b5(\u9879\u76ee\u7ef4\u62a4)<\/p>\n

\u901a\u8fc7\u65e5\u5fd7\u5206\u6790\u7528\u6237\u7684\u4f7f\u7528\u60c5\u51b5(\u5927\u6570\u636e\u5206\u6790)<\/p>\n

\u89e3\u51b3\u65b9\u68481<\/strong><\/h2>\n

log4j+commons-logging<\/strong><\/p>\n

\u5360\u4f4d\u7b26<\/p>\n

\"\"<\/p>\n

1.\u5bfc\u5165\u4f9d\u8d56<\/p>\n

<dependency>\r\n    <groupId>log4j<\/groupId>\r\n    <artifactId>log4j<\/artifactId>\r\n    <version>1.2.12<\/version>\r\n<\/dependency>\r\n<dependency>\r\n    <groupId>commons-logging<\/groupId>\r\n    <artifactId>commons-logging<\/artifactId>\r\n    <version>1.2<\/version>\r\n<\/dependency><\/pre>\n
2.\u4f7f\u7528<\/p>\n
1.\u5728resources\u4e0b\u65b0\u5efalog4j.xml\u6587\u4ef6<\/p>\n
<?xml version=\"1.0\"  encoding=\"UTF-8\" ?>\r\n<!DOCTYPE log4j:configuration PUBLIC \"-\/\/LOGGER\"\r\n        \"http:\/\/org\/apache\/log4j\/xml\/log4j.dtd\">\r\n<log4j:configuration>\r\n\r\n    <!-- org.apache.log4j.ConsoleAppender \u8f93\u51fa\u5230\u63a7\u5236\u53f0 -->\r\n    <appender name=\"myConsole\" class=\"org.apache.log4j.ConsoleAppender\">\r\n        <!--\u8f93\u51fa\u683c\u5f0f-->\r\n        <layout class=\"org.apache.log4j.PatternLayout\">\r\n            <param name=\"ConversionPattern\"\r\n                   value=\"%-d{yyyy-MM-dd HH:mm:ss,SSS} [%c]-[%p] %m%n\"\/>\r\n        <\/layout>\r\n    <\/appender>\r\n    <!-- \u8f93\u51fa\u5230\u6587\u4ef6 -->\r\n    <appender name=\"myFile1\" class=\"org.apache.log4j.RollingFileAppender\">\r\n        <param name=\"File\" value=\"d:\/log\/hello.log\"\/><!--\u6587\u4ef6\u4f4d\u7f6e-->\r\n        <param name=\"Append\" value=\"true\"\/><!--\u662f\u5426\u9009\u62e9\u8ffd\u52a0-->\r\n        <param name=\"MaxFileSize\" value=\"1kb\"\/><!--\u6587\u4ef6\u6700\u5927\u5b57\u8282\u6570-->\r\n        <param name=\"MaxBackupIndex\" value=\"2\" \/><!--\u65b0\u6587\u4ef6\u6570\u91cf-->\r\n        <layout class=\"org.apache.log4j.PatternLayout\">\r\n            <param name=\"ConversionPattern\" value=\"%-d{yyyy-MM-dd HH:mm:ss,SSS} [%c]-[%p] %m%n\" \/>\r\n        <\/layout>\r\n    <\/appender>\r\n\r\n    <!-- \u8f93\u51fa\u5230\u6587\u4ef6 -->\r\n    <appender name=\"myFile2\" class=\"org.apache.log4j.DailyRollingFileAppender\">\r\n        <param name=\"File\" value=\"d:\/log\/world.log\"\/><!--\u6587\u4ef6\u4f4d\u7f6e-->\r\n        <param name=\"Append\" value=\"true\"\/><!--\u662f\u5426\u9009\u62e9\u8ffd\u52a0-->\r\n        <layout class=\"org.apache.log4j.PatternLayout\">\r\n            <param name=\"ConversionPattern\"\r\n                   value=\"%-d{yyyy-MM-dd HH:mm:ss,SSS} [%c]-[%p] %m%n\"\/>\r\n        <\/layout>\r\n    <\/appender>\r\n    <!-- \u6839logger\u7684\u8bbe\u7f6e-->\r\n    <root>\r\n        <!--\u4f18\u5148\u7ea7\u8bbe\u7f6e\uff0call < trace < debug < info < warn < error < fatal < off -->\r\n        <priority value=\"all\"\/>\r\n        <appender-ref ref=\"myConsole\"\/>\r\n        <appender-ref ref=\"myFile1\"\/>\r\n        <appender-ref ref=\"myFile2\"\/>\r\n    <\/root>\r\n<\/log4j:configuration><\/pre>\n
3.\u6d4b\u8bd5<\/p>\n
public class TestLog {\r\n    \/\/\u65e5\u5fd7\u5bf9\u8c61\r\n    private Log log= LogFactory.getLog(TestLog.class);\r\n    @Test\r\n    public void Test(){\r\n        log.trace(\"hello trace\");\r\n        log.debug(\"hello debug\");\r\n        log.info(\"hello info\");\r\n        log.warn(\"hello warn\");\r\n        log.error(\"hello error\");\r\n        log.fatal(\"hello fatal\");\r\n    }\r\n}<\/pre>\n
\"\"<\/p>\n
\"\"<\/p>\n
\u89e3\u51b3\u65b9\u6848\u4e8c<\/h2>\n
logback+SLF4j<\/p>\n
1.\u5bfc\u5165\u4f9d\u8d56\uff1a<\/p>\n
<dependency>\r\n    <groupId>ch.qos.logback<\/groupId>\r\n    <artifactId>logback-classic<\/artifactId>\r\n    <version>1.2.3<\/version>\r\n<\/dependency><\/pre>\n
2.\u6d4b\u8bd5\uff1a<\/p>\n
public class TestLog {\r\n    \/\/\u65e5\u5fd7\u5bf9\u8c61\r\n    private Logger log2= LoggerFactory.getLogger(TestLog.class);\r\n    @Test\r\n    public void Test2(){\r\n        log2.trace(\"hello trace\");\r\n        log2.debug(\"hello debug\");\r\n        log2.info(\"hello info\");\r\n        log2.warn(\"hello warn\");\r\n        log2.error(\"hello error\");\r\n    }\r\n}<\/pre>\n
3.\u521b\u5efalogback.xml\u6587\u4ef6<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<!-- scan:\u5f53\u6b64\u5c5e\u6027\u8bbe\u7f6e\u4e3atrue\u65f6\uff0c\u914d\u7f6e\u6587\u4ef6\u5982\u679c\u53d1\u751f\u6539\u53d8\uff0c\u5c06\u4f1a\u88ab\u91cd\u65b0\u52a0\u8f7d\uff0c\u9ed8\u8ba4\u503c\u4e3atrue -->\r\n<!-- scanPeriod:\u8bbe\u7f6e\u76d1\u6d4b\u914d\u7f6e\u6587\u4ef6\u662f\u5426\u6709\u4fee\u6539\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u5982\u679c\u6ca1\u6709\u7ed9\u51fa\u65f6\u95f4\u5355\u4f4d\uff0c\u9ed8\u8ba4\u5355\u4f4d\u662f\u6beb\u79d2\u3002\u5f53scan\u4e3atrue\u65f6\uff0c\u6b64\u5c5e\u6027\u751f\u6548\u3002\r\n    \u9ed8\u8ba4\u7684\u65f6\u95f4\u95f4\u9694\u4e3a1\u5206\u949f\u3002 -->\r\n<!-- debug:\u5f53\u6b64\u5c5e\u6027\u8bbe\u7f6e\u4e3atrue\u65f6\uff0c\u5c06\u6253\u5370\u51falogback\u5185\u90e8\u65e5\u5fd7\u4fe1\u606f\uff0c\u5b9e\u65f6\u67e5\u770blogback\u8fd0\u884c\u72b6\u6001\u3002\u9ed8\u8ba4\u503c\u4e3afalse\u3002 -->\r\n<configuration  scan=\"true\" scanPeriod=\"60 seconds\" debug=\"true\">\r\n\r\n    <property name=\"CONSOLE_LOG_PATTERN\"\r\n              value=\"%d{yyyy-MM-dd HH:mm:ss.SSS} |-[%-5p] in %logger.%M[line-%L] -%m%n\"\/>\r\n    <property name=\"log.path\" value=\"D:\/log\" \/>\r\n\r\n    <!-- \u8f93\u51fa\u5230\u63a7\u5236\u53f0 -->\r\n    <appender name=\"CONSOLE\" class=\"ch.qos.logback.core.ConsoleAppender\">\r\n        <!-- Threshold=\u5373\u6700\u4f4e\u65e5\u5fd7\u7ea7\u522b\uff0c\u6b64appender\u8f93\u51fa\u5927\u4e8e\u7b49\u4e8e\u5bf9\u5e94\u7ea7\u522b\u7684\u65e5\u5fd7\r\n             (\u5f53\u7136\u8fd8\u8981\u6ee1\u8db3root\u4e2d\u5b9a\u4e49\u7684\u6700\u4f4e\u7ea7\u522b)\r\n        -->\r\n        <filter class=\"ch.qos.logback.classic.filter.ThresholdFilter\">\r\n            <level>trace<\/level>\r\n        <\/filter>\r\n        <encoder>\r\n            <!-- \u65e5\u5fd7\u683c\u5f0f(\u5f15\u7528\u53d8\u91cf) -->\r\n            <Pattern>${CONSOLE_LOG_PATTERN}<\/Pattern>\r\n            <!-- \u8bbe\u7f6e\u5b57\u7b26\u96c6 -->\r\n            <charset>UTF-8<\/charset>\r\n        <\/encoder>\r\n    <\/appender>\r\n\r\n    <!-- \u8ffd\u52a0\u5230\u6587\u4ef6\u4e2d -->\r\n    <appender name=\"file\" class=\"ch.qos.logback.core.FileAppender\">\r\n        <file>${log.path}\/hello.log<\/file>\r\n        <encoder>\r\n            <pattern>${CONSOLE_LOG_PATTERN}<\/pattern>\r\n        <\/encoder>\r\n    <\/appender>\r\n\r\n    <appender name=\"file2\" class=\"ch.qos.logback.core.rolling.RollingFileAppender\">\r\n        <!-- \u6b63\u5728\u8bb0\u5f55\u7684\u65e5\u5fd7\u6587\u4ef6\u7684\u8def\u5f84\u53ca\u6587\u4ef6\u540d -->\r\n        <file>${log.path}\/world.log<\/file>\r\n        <!--\u65e5\u5fd7\u6587\u4ef6\u8f93\u51fa\u683c\u5f0f-->\r\n        <encoder>\r\n            <pattern>${CONSOLE_LOG_PATTERN}<\/pattern>\r\n            <charset>UTF-8<\/charset> <!-- \u8bbe\u7f6e\u5b57\u7b26\u96c6 -->\r\n        <\/encoder>\r\n        <!-- \u65e5\u5fd7\u8bb0\u5f55\u5668\u7684\u6eda\u52a8\u7b56\u7565\uff0c\u6309\u65e5\u671f\uff0c\u6309\u5927\u5c0f\u8bb0\u5f55\r\n             \u6587\u4ef6\u8d85\u8fc7\u6700\u5927\u5c3a\u5bf8\u540e\uff0c\u4f1a\u65b0\u5efa\u6587\u4ef6\uff0c\u7136\u540e\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7ee7\u7eed\u5199\u5165\r\n             \u5982\u679c\u65e5\u671f\u53d8\u66f4\uff0c\u4e5f\u4f1a\u65b0\u5efa\u6587\u4ef6\uff0c\u7136\u540e\u5728\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6\u4e2d\u5199\u5165\u5f53\u5929\u65e5\u5fd7\r\n        -->\r\n        <rollingPolicy class=\"ch.qos.logback.core.rolling.TimeBasedRollingPolicy\">\r\n            <!-- \u65b0\u5efa\u6587\u4ef6\u540e\uff0c\u539f\u65e5\u5fd7\u6539\u540d\u4e3a\u5982\u4e0b  %i=\u6587\u4ef6\u5e8f\u53f7\uff0c\u4ece0\u5f00\u59cb -->\r\n            <fileNamePattern>${log.path}\/world-%d{yyyy-MM-dd}.%i.log<\/fileNamePattern>\r\n            <!-- \u6bcf\u4e2a\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u5927\u4f53\u91cf -->\r\n            <timeBasedFileNamingAndTriggeringPolicy\r\n                    class=\"ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP\">\r\n                <maxFileSize>1kb<\/maxFileSize>\r\n            <\/timeBasedFileNamingAndTriggeringPolicy>\r\n            <!-- \u65e5\u5fd7\u6587\u4ef6\u4fdd\u7559\u5929\u6570\uff0c1=\u5219\u53ea\u4fdd\u7559\u6628\u5929\u7684\u5f52\u6863\u65e5\u5fd7\u6587\u4ef6 ,\u4e0d\u8bbe\u7f6e\u5219\u4fdd\u7559\u6240\u6709\u65e5\u5fd7-->\r\n            <maxHistory>1<\/maxHistory>\r\n        <\/rollingPolicy>\r\n    <\/appender>\r\n    <root level=\"trace\">\r\n        <appender-ref ref=\"CONSOLE\"\/>\r\n        <appender-ref ref=\"file\"\/>\r\n        <appender-ref ref=\"file2\"\/>\r\n    <\/root>\r\n<\/configuration><\/pre>\n","protected":false},"excerpt":{"rendered":"
2020java\u6846\u67b6\u4e4b\u65e5\u5fd7\u7ba1\u7406 \u65e5\u5fd7\u4ecb\u7ecd\uff1a \u7528\u4e8e\u8bb0\u5f55\u7cfb\u7edf\u4e2d\u53d1\u751f\u7684\u5404\u79cd\u4e8b\u4ef6\u3002\u8bb0\u5f55\u7684\u4f4d\u7f6e\u5e38\u89c1\u7684\u6709\uff1a\u63a7\u5236\u53f0\u3001\u78c1\u76d8\u6587\u4ef6 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-2837","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2837"}],"version-history":[{"count":5,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2837\/revisions"}],"predecessor-version":[{"id":2865,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2837\/revisions\/2865"}],"wp:attachment":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}