第一步：获取cronolog
第二步：解压后把cronolog.exe放在tomcat的bin目录下
第三步：修改tomcat的startup.bat文件
call "%EXECUTABLE%"start %CMD_LINE_ARGS%
替换为
call "%EXECUTABLE%" run %CMD_LINE_ARGS%
第四步：修改tomcat的catalina.bat文件
在最后几行加上，下图红色箭头标示的每行末尾 加上 红色字体部分
rem Execute Java with the applicable properties
if not "%JPDA%" == "" goto doJpda
if not "%SECURITY_POLICY_FILE%" == "" goto doSecurity
%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%" -Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%|D:\apache-tomcat-7.0.54\bin\cronolog.exe
D:\logs\catalina.%%Y-%%m-%%d.out
goto end
:doSecurity
%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Djava.security.manager -Djava.security.policy=="%SECURITY_POLICY_FILE%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%"
-Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%
|D:\apache-tomcat-7.0.54\bin\cronolog.exe D:\logs\catalina.%%Y-%%m-%%d.out
goto end
:doJpda
if not "%SECURITY_POLICY_FILE%" == "" goto doSecurityJpda
%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %JPDA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%" -Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS%
%ACTION% |D:\apache-tomcat-7.0.54\bin\cronolog.exe D:\logs\catalina.%%Y-%%m-%%d.out
goto end
:doSecurityJpda
%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %JPDA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Djava.security.manager -Djava.security.policy=="%SECURITY_POLICY_FILE%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%"
-Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%
|D:\apache-tomcat-7.0.54\bin\cronolog.exe D:\logs\catalina.%%Y-%%m-%%d.out
goto end
第五步：重启
在指定目录下会生成对应日期的文件，修改系统时间测试跨天后是否自动生成第二天文件
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