{"id":4399,"date":"2018-11-26T23:18:33","date_gmt":"2018-11-26T15:18:33","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/index.php\/spring-boot\/spring-boot%e5%85%a5%e9%97%a8%ef%bc%9a%e8%87%aa%e5%ae%9a%e4%b9%89log4j%e6%97%a5%e5%bf%97%e8%be%93%e5%87%ba\/"},"modified":"2018-11-26T23:18:33","modified_gmt":"2018-11-26T15:18:33","slug":"spring-boot%e5%85%a5%e9%97%a8%ef%bc%9a%e8%87%aa%e5%ae%9a%e4%b9%89log4j%e6%97%a5%e5%bf%97%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/spring-boot\/spring-boot%e5%85%a5%e9%97%a8%ef%bc%9a%e8%87%aa%e5%ae%9a%e4%b9%89log4j%e6%97%a5%e5%bf%97%e8%be%93%e5%87%ba\/","title":{"rendered":"Spring Boot\u5165\u95e8\uff1a\u81ea\u5b9a\u4e49log4j\u65e5\u5fd7\u8f93\u51fa"},"content":{"rendered":"
\n

log4j\u63d0\u4f9b\u4e86\u6807\u51c6\u7684\u65e5\u5fd7\u8f93\u51fa\uff0c\u7b80\u5355\u914d\u7f6e\u5373\u53ef\u8bb0\u5f55\u65e5\u5fd7\uff08\u53c2\u8003Spring Boot\u5165\u95e8\uff1a\u4f7f\u7528AOP\u5b9e\u73b0\u62e6\u622a\u5668 8\u3001\u65e5\u5fd7\u8bb0\u5f55\uff09\uff0c\u4f46\u4f7f\u7528\u9ed8\u8ba4Appender\u8bb0\u5f55\u65e5\u5fd7\u65f6\uff0c\u6709\u65f6\u5e76\u4e0d\u80fd\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42\uff0c\u8fd9\u65f6\u6211\u4eec\u53ef\u4ee5\u81ea\u5b9a\u4e49log4j\u65e5\u5fd7\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n

\u4e0b\u9762\u6211\u4eec\u5b9e\u73b0\u6309\u65e5\u671f\u8bb0\u5f55\u65e5\u5fd7\uff0c\u65e5\u5fd7\u8fbe\u5230\u6307\u5b9a\u5927\u5c0f\u540e\u91cd\u547d\u540d\u4fdd\u5b58\u4e3a\u65b0\u6587\u4ef6\u3002<\/p>\n

\u9996\u5148\u65b0\u5efaGlobalRollingFileAppender\u7ee7\u627fRollingFileAppender<\/p>\n

import <\/span>org.apache.log4j.RollingFileAppender;<\/span>import <\/span>org.apache.log4j.helpers.CountingQuietWriter;<\/span>import <\/span>org.apache.log4j.helpers.LogLog;<\/span>import <\/span>org.apache.log4j.spi.LoggingEvent;<\/span>import <\/span>java.io.File;<\/span>import <\/span>java.io.IOException;<\/span>import <\/span>java.io.InterruptedIOException;<\/span>import <\/span>java.text.SimpleDateFormat;<\/span>import <\/span>java.util.Date;<\/span><\/span>public class <\/span>GlobalRollingFileAppender extends <\/span>RollingFileAppender {    private long <\/span>nextRollover <\/span>= 0L<\/span>;<\/span>  private static <\/span>SimpleDateFormat simpleDateFormat <\/span>= new <\/span>SimpleDateFormat(\"yyyyMMdd\"<\/span>);<\/span>  public void <\/span>rollOver<\/span>() {        if <\/span>(qw <\/span>!= null<\/span>) {            long <\/span>size = ((CountingQuietWriter) qw<\/span>).getCount();<\/span>      <\/span>LogLog.debug<\/span>(\"rolling over count=\" <\/span>+ size);<\/span>      <\/span>nextRollover <\/span>= size + maxFileSize<\/span>;<\/span>    <\/span>}        LogLog.debug<\/span>(\"maxBackupIndex=\" <\/span>+ maxBackupIndex<\/span>);<\/span>    boolean <\/span>renameSucceeded = true;<\/span>    if <\/span>(maxBackupIndex <\/span>> 0<\/span>) {            File file;<\/span><\/span>      <\/span>File target;<\/span>      for <\/span>(int <\/span>i = maxBackupIndex <\/span>- 1<\/span>; <\/span>i >= 1 <\/span>&& renameSucceeded; <\/span>i--) {                file = new <\/span>File(genFileName(fileName<\/span>, <\/span>i));<\/span>        if <\/span>(file.exists()) {                    target = new <\/span>File(genFileName(fileName<\/span>, <\/span>i + 1<\/span>));<\/span>          <\/span>LogLog.debug<\/span>(\"Renaming file \" <\/span>+ file + \" to \" <\/span>+ target);<\/span>          <\/span>renameSucceeded = file.renameTo(target);<\/span>        <\/span>}            }            if <\/span>(renameSucceeded) {                target = new <\/span>File(genFileName(fileName<\/span>, <\/span>1<\/span>));<\/span>        this<\/span>.closeFile();<\/span>        <\/span>file = new <\/span>File(fileName<\/span>);<\/span>        <\/span>LogLog.debug<\/span>(\"Renaming file \" <\/span>+ file + \" to \" <\/span>+ target);<\/span>        <\/span>renameSucceeded = file.renameTo(target);<\/span>        if <\/span>(!renameSucceeded) {                    try <\/span>{                        this<\/span>.setFile(fileName<\/span>, true, <\/span>bufferedIO<\/span>, <\/span>bufferSize<\/span>);<\/span>          <\/span>} catch <\/span>(IOException e) {                        if <\/span>(e instanceof <\/span>InterruptedIOException) {                            Thread.currentThread<\/span>().interrupt();<\/span>            <\/span>}                        LogLog.error<\/span>(\"setFile(\" <\/span>+ fileName <\/span>+ \", true) call failed.\"<\/span>, <\/span>e);<\/span>          <\/span>}                }            }        }        if <\/span>(renameSucceeded) {            try <\/span>{                this<\/span>.setFile(fileName<\/span>, false, <\/span>bufferedIO<\/span>, <\/span>bufferSize<\/span>);<\/span>        <\/span>nextRollover <\/span>= 0L<\/span>;<\/span>      <\/span>} catch <\/span>(IOException e) {                if <\/span>(e instanceof <\/span>InterruptedIOException) {                    Thread.currentThread<\/span>().interrupt();<\/span>        <\/span>}                LogLog.error<\/span>(\"setFile(\" <\/span>+ fileName <\/span>+ \", false) call failed.\"<\/span>, <\/span>e);<\/span>      <\/span>}        }    }    private <\/span>String genFileName<\/span>(String name, int <\/span>index) {        String fileName;<\/span>    if <\/span>(index > 0<\/span>) {            String num = index < 10 <\/span>? \"0\" <\/span>+ index : String.valueOf<\/span>(index);<\/span>      <\/span>fileName = name.replace(\".log\"<\/span>, <\/span>\"\"<\/span>) + \"_\" <\/span>+ num + \".log\"<\/span>;<\/span>    <\/span>} else <\/span>{            fileName = name;<\/span>    <\/span>}        return <\/span>fileName;<\/span>  <\/span>}    protected void <\/span>subAppend<\/span>(LoggingEvent event) {        boolean <\/span>flag = false;<\/span>    <\/span>String fileNameNow = fileName.substring(fileName.lastIndexOf(\"\/\"<\/span>));<\/span>    <\/span>String fileNameDate = simpleDateFormat.format(new <\/span>Date());<\/span>    if <\/span>(!fileNameNow.contains(fileNameDate)) {            flag = true;<\/span>      int <\/span>tag = fileNameNow.indexOf(\"_\"<\/span>);<\/span>      <\/span>fileName = fileName.replace(fileNameNow.substring(tag + 1<\/span>, <\/span>tag + 9<\/span>), <\/span>fileNameDate);<\/span>    <\/span>}        if <\/span>(fileName != null <\/span>&& qw != null<\/span>) {            long <\/span>size = ((CountingQuietWriter) qw).getCount();<\/span>      if <\/span>(flag) {                size = 0L<\/span>;<\/span>      <\/span>}            if <\/span>((size >= maxFileSize && size >= nextRollover) || flag) {                rollOver();<\/span>      <\/span>}        }        super<\/span>.subAppend(event);<\/span>  <\/span>}    public void <\/span>setFile(String file) {        fileName = file.trim().replace(\".log\"<\/span>, <\/span>\"\"<\/span>) +                \"_\" <\/span>+ simpleDateFormat.format(new <\/span>Date()) + \".log\"<\/span>;<\/span>  <\/span>}}<\/pre>\n
\u7136\u540e\u6211\u4eec\u5c06log4j.properties\u65e5\u5fd7\u8f93\u51faappender\u8bbe\u4e3aGlobalRollingFileAppender \uff0c\u5373log4j.appender.logInfo=cn.wbnull.springbootdemo.boot.GlobalRollingFileAppender<\/p>\n
log4j.rootLogger<\/span>=<\/span>debug,Console,logInfo,logError,logDebug<\/span>log4j.category.org.springframework<\/span>=<\/span>debug,Console,logInfo,logError,logDebug<\/span>#<\/span>#<\/span>\u8f93\u51fa\u5230\u63a7\u5236\u53f0<\/span>log4j.appender.Console<\/span>=<\/span>org.apache.log4j.ConsoleAppender<\/span>log4j.appender.Console.Target<\/span>=<\/span>System.out<\/span>log4j.appender.Console.layout<\/span>=<\/span>org.apache.log4j.PatternLayout<\/span>log4j.appender.Console.layout.ConversionPattern<\/span>=<\/span>[%p][%d{yyyy-MM-dd HH<\/span>:mm<\/span>:ss,SSS}][%C.%M(%F<\/span>:%L)] || %m%n<\/span>#<\/span>#<\/span>\u8f93\u51fa\u5230\u6587\u4ef6<\/span>log4j.appender.logInfo<\/span>=<\/span>cn.wbnull.springbootdemo.boot.GlobalRollingFileAppender<\/span>log4j.appender.logInfo.File<\/span>=<\/span>.\/logs\/log.log<\/span>log4j.appender.logInfo.Append<\/span>=<\/span>true<\/span>log4j.appender.logInfo.Threshold<\/span>=<\/span>INFO<\/span>log4j.appender.logInfo.MaxFileSize<\/span>=<\/span>2048KB<\/span>log4j.appender.logInfo.MaxBackupIndex<\/span>=<\/span>1024<\/span>log4j.appender.logInfo.layout<\/span>=<\/span>org.apache.log4j.PatternLayout<\/span>log4j.appender.logInfo.layout.ConversionPattern<\/span>=<\/span>[%p][%d{yyyy-MM-dd HH<\/span>:mm<\/span>:ss,SSS}][%C.%M(%F<\/span>:%L)] || %m%n<\/span>#<\/span>#<\/span>\u9519\u8bef\u65e5\u5fd7\u5355\u72ec\u8bb0\u5f55<\/span>log4j.appender.logError<\/span>=<\/span>cn.wbnull.springbootdemo.boot.GlobalRollingFileAppender<\/span>log4j.appender.logError.File<\/span>=<\/span>.\/logs\/error.log<\/span>log4j.appender.logError.Append<\/span>=<\/span>true<\/span>log4j.appender.logError.Threshold<\/span>=<\/span>ERROR<\/span>log4j.appender.logError.MaxFileSize<\/span>=<\/span>2048KB<\/span>log4j.appender.logError.MaxBackupIndex<\/span>=<\/span>1024<\/span>log4j.appender.logError.layout<\/span>=<\/span>org.apache.log4j.PatternLayout<\/span>log4j.appender.logError.layout.ConversionPattern<\/span>=<\/span>[%p][%d{yyyy-MM-dd HH<\/span>:mm<\/span>:ss,SSS}][%C.%M(%F<\/span>:%L)] || %m%n<\/span>#<\/span>#Debug<\/span>\u65e5\u5fd7\u5355\u72ec\u8bb0\u5f55<\/span>log4j.appender.logDebug<\/span>=<\/span>cn.wbnull.springbootdemo.boot.GlobalRollingFileAppender<\/span>log4j.appender.logDebug.File<\/span>=<\/span>.\/logs\/debug.log<\/span>log4j.appender.logDebug.Append<\/span>=<\/span>true<\/span>log4j.appender.logDebug.Threshold<\/span>=<\/span>DEBUG<\/span>log4j.appender.logDebug.MaxFileSize<\/span>=<\/span>2048KB<\/span>log4j.appender.logDebug.MaxBackupIndex<\/span>=<\/span>1024<\/span>log4j.appender.logDebug.layout<\/span>=<\/span>org.apache.log4j.PatternLayout<\/span>log4j.appender.logDebug.filter.infoFilter<\/span>=<\/span>org.apache.log4j.varia.LevelRangeFilter<\/span>log4j.appender.logDebug.filter.infoFilter.LevelMin<\/span>=<\/span>DEBUG<\/span>log4j.appender.logDebug.filter.infoFilter.LevelMax<\/span>=<\/span>DEBUG<\/span>log4j.appender.logDebug.layout.ConversionPattern<\/span>=<\/span>[%p][%d{yyyy-MM-dd HH<\/span>:mm<\/span>:ss,SSS}][%C.%M(%F<\/span>:%L)] || %m%n<\/span><\/pre>\n
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GitHub\uff1ahttps:\/\/github.com\/dkbnull\/SpringBootDemo<\/p>\n
CSDN\uff1ahttps:\/\/blog.csdn.net\/dkbnull\/article\/details\/84558062<\/p>\n
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\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 \u7a0b\u5e8f\u5458null              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"
log4j\u63d0\u4f9b\u4e86\u6807\u51c6\u7684\u65e5\u5fd7\u8f93\u51fa\uff0c\u7b80\u5355\u914d\u7f6e\u5373\u53ef\u8bb0\u5f55\u65e5\u5fd7\uff08\u53c2\u8003Spring Boot\u5165\u95e8\uff1a\u4f7f\u7528AOP\u5b9e\u73b0\u62e6\u622a\u5668 8\u3001\u65e5\u5fd7\u8bb0\u5f55\uff09\uff0c\u4f46\u4f7f\u7528 …<\/p>\n","protected":false},"author":1,"featured_media":4396,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-4399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spring-boot"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524153439141-150x150.jpeg","content_first_image":null,"post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524153439141-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524153439141-1024x435.jpeg","post_frist_image":null,"post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524153439141-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524153439141-1024x435.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524153439141.jpeg","post_all_images":[],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Spring Boot","post_date":"2018-11-26","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":300,"next_post_id":4395,"next_post_title":"Spring Boot\u5b9e\u6218\uff1a\u6574\u5408MyBatis\u8fde\u63a5\u6570\u636e\u5e93","previous_post_id":4408,"previous_post_title":"Spring Boot\u5165\u95e8\uff1a\u4f7f\u7528AOP\u5b9e\u73b0\u62e6\u622a\u5668","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/4399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=4399"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/4399\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media\/4396"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=4399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=4399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=4399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}