<Host name="localhost"  appBase="webapps"

             unpackWARs="true" autoDeploy="true">

         <!--

         <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

                prefix="localhost_access_log." suffix=".txt"

                pattern="%h %l %u %t &quot;%r&quot; %s %b" />

         -->

         <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

                prefix="localhost_access_log." suffix=".txt"

                pattern="%h,%l,%u,%t,%T,&quot;%r&quot;,%s,%b,%{Referer}i,&quot;%{User-Agent}i&quot;,%{X-Requested-With}i"

                fileDateFormat="yyyy-MM-dd.HH"

                />

       </Host>

 #内嵌tomcat日志

 server.tomcat.accesslog.buffered=true

 server.tomcat.accesslog.directory=/usr/microStorage/tomcatLog

 server.tomcat.accesslog.enabled=true

 #每天保存一个

 server.tomcat.accesslog.file-date-format=yyyy-MM-dd

 server.tomcat.accesslog.pattern=%h %l %T %t %r %s %b %{Referer}i %{User-Agent}i

 server.tomcat.accesslog.prefix=access_log

 server.tomcat.accesslog.rename-on-rotate=false

 server.tomcat.accesslog.request-attributes-enabled=false

 server.tomcat.accesslog.rotate=true

 server.tomcat.accesslog.suffix=.log

 public static void parse() throws Exception{

         String path = "D:/logs/localhost_access_log.2018-09-30.11.txt";

         BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(path)));

         String line = null;

         String reg = "^(.+?),(.+?),(.+?),(.+?),(.+?),(\\\".+?\\\"),(.+?),(.+?),(.+?),(\\\".+?\\\"),(.+?),(.+?)$";

         Pattern pattern = Pattern.compile(reg);

         while((line=br.readLine())!=null) {

             System.out.println(line);

             Matcher matcher = pattern.matcher(line);

             matcher.matches();

             // pattern="%h,%l,%u,%t,%T,"%r",%s,%b,%{Referer}i,"%{User-Agent}i",%{X-Requested-With}i,%{passport}c"

             System.out.println("ip="+matcher.group(1));

             System.out.println("date="+matcher.group(4));

             System.out.println("cost="+matcher.group(5));

             System.out.println("request="+matcher.group(6));

             System.out.println("status="+matcher.group(7));

             System.out.println("bytes="+matcher.group(8));

             System.out.println("Referer="+matcher.group(9));

             System.out.println("User-Agent="+matcher.group(10));

             System.out.println("X-Requested-With="+matcher.group(11));

             System.out.println("passport="+matcher.group(12));

             System.out.println("------------------------------------");

         }

         br.close();

     }