Java EE SSH Framework Integration (iv) Log processing spring combines log4j, slf4j [go]

1. Add log4j and slf4j jar packages

2. Web. xml:

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2. <context-param>
4. <!--log4j configuration address --
6. <param-name>log4jconfiglocation</param-name>
8. <!--<param-value>/WEB-INF/classes/log4j.properties</param-value> --
10. <param-value>classpath:log4j.properties</param-value>
12. </context-param>
14. <context-param>
16. <!--log4j configuration scan refresh interval can be used without ---
18. <param-name>log4jrefreshinterval</param-name>
20. <param-value>10000</param-value>
22. </context-param>
24. <!--spring LOG4J configuration Listener--
26. <listener>
28. <listener-class>org.springframework.web.util.log4jconfiglistener</ Listener-class>
30. </listener>

3. Src/log4j.properties:

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2. # # # set log levels # # #
4. Log4j.rootlogger = Debug,stdout,d,e
8. # # # Output to console # # #
10. Log4j.appender.stdout = Org.apache.log4j.ConsoleAppender
12. Log4j.appender.stdout.Target = System.out
14. Log4j.appender.stdout.Threshold = INFO
16. Log4j.appender.stdout.layout = Org.apache.log4j.PatternLayout
18. Log4j.appender.stdout.layout.ConversionPattern =%d{absolute}%5p%c{1}:%l-%m%n
20. Log4j.appender.stdout.encoding=utf-8
24. # # # Output to log file # # #
26. LOG4J.APPENDER.D = Org.apache.log4j.DailyRollingFileAppender
28. Log4j.appender.d.file = ${ssh}web-inf/logs/debug.log
30. log4j.appender.d.file.maxfilesize=500kb
32. Log4j.appender.d.append = True
34. # #输出DEBUG级别以上的日志
36. Log4j.appender.d.threshold = DEBUG
38. Log4j.appender.d.layout = Org.apache.log4j.PatternLayout
40. Log4j.appender.d.layout.conversionpattern =%-d{yyyy-mm-dd HH:mm:ss} [%t:%r]-[%p]%m%n
42. Log4j.appender.d.encoding=utf-8
46. # # # Save exception information to a separate file # # #
48. LOG4J.APPENDER.E = Org.apache.log4j.DailyRollingFileAppender
50. # # Exception Log file name
52. Log4j.appender.e.file = ${ssh}web-inf/logs/error.log
54. log4j.appender.e.file.maxfilesize=500kb
56. Log4j.appender.e.append = True
58. # # Only output logs above the error level!!!
60. Log4j.appender.e.threshold = ERROR
62. Log4j.appender.e.layout = Org.apache.log4j.PatternLayout
64. Log4j.appender.e.layout.conversionpattern =%-d{yyyy-mm-dd HH:mm:ss} [%t:%r]-[%p]%m%n
66. Log4j.appender.e.encoding=utf-8

Configure the Info-level output to the console, and debug and error are output to the corresponding file.

4. Using the Log Object

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2. Import Org.slf4j.Logger;
4. Import Org.slf4j.LoggerFactory;
8. Import com.stone.action.DefaultAction;
12. Public class Logutil {
14. //Use SLF4J to create log objects, when the benefits are changed later to other log tools, just modify the configuration file without modifying the code
16. private static Logger Logger = Loggerfactory.getlogger (logutil.   Class);
18. //Use log4j to create a log object
20. Private Org.apache.log4j.Logger Logger = Org.apache.log4j.Logger.getLogger (GetClass ());
24. public static void error (String message) {
26. Logger.error (message);
28. }
30. public static void debug (String message) {
32. Logger.debug (message);
34. }
36. public static void info (String message) {
38. Logger.info (message);
40. Org.apache.log4j.Logger.getLogger (logutil.class). info (message);
42. }
44. }

Java EE SSH Framework Integration (iv) Log processing spring combines log4j, slf4j [go]