# This is the configuring for logging displayed in the Application Server
log4j.rootCategory=INFO, stdout,logfile
#stdout configure
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern= %d %p [%c] - <%m>%n
#logfile configure
log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.File=../logs/helloworld.log
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern= %d %p [%c] - <%m>%n
# Control logging for other open source packages
# Changing the log level to DEBUG when debug
log4j.logger.org.springframework=WARN
# Changing the log level to DEBUG will display SQL Hibernate generated
log4j.logger.org.hibernate=WARN
log4j.logger.org.hibernate.SQL=ERROR
log4j.logger.org.hibernate.cache=ERROR
log4j.logger.net.sf.ehcache=ERROR
log4j.logger.org.apache.commons.validator.ValidatorResources=ERROR
level錛?DEBUG銆両NFO銆乄ARN銆丒RROR銆丗ATAL 渚濇浠ｈ〃浠庝綆鍒伴珮
log4j.rootCategory=INFO, stdout,logfile鎸囧畾level鏄緝錛雞錛紝涓や釜鍙橀噺stdout,logfile
鐢ㄤ簬鍚庨潰log4j.appender.stdout錛宭og4j.appender.logfile
-----------------------------------------------------------------------------------------
1銆佸湪spring涓浣曢厤緗殑log4j?
銆銆鍦╳eb.xml涓姞鍏ヤ互涓嬩唬鐮佸嵆鍙?br>
| 錛渃ontext-param錛?br>錛減aram-name錛瀕og4jConfigLocation錛?param-name錛?br>錛減aram-value錛?WEB-INF/log4j.properties錛?param-value錛?br>錛?context-param錛?/td> |
2銆佹妸log4j 鐨勯粯璁ら厤緗枃浠?log4j.properties)鏀懼湪classpath涓紝閫氬父鏄?web-inf/classes鐩綍涓?榪欑鏂瑰紡鏄痩og4j鐨?榛樿閰嶇疆鏂瑰紡錛屾棤欏誨叾浠栭厤緗傜己鐐瑰氨鏄棤娉曠伒媧葷殑閫氳繃閰嶇疆鏂囦歡鏉ユ寚瀹歭og4j.properties鐨勬枃浠朵綅緗傚湪鎴戜滑鐨刾etclinic欏圭洰涓紝鍥?涓簂istener鏉＄洰琚敞閲婏紝鎵浠ラ噰鐢ㄧ殑涔熸槸榪欑緙虹渷鏂瑰紡銆?br>
錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞
log4j鐨勫ソ澶勫湪浜庯細
1.閫氳繃淇敼閰嶇疆鏂囦歡錛屽氨鍙互鍐沖畾log淇℃伅杈撳嚭鍒頒綍澶?console,鏂囦歡,...),鏄惁杈撳嚭銆?br>榪欐牱錛屽湪緋葷粺寮鍙戦樁孌靛彲浠ユ墦鍗拌緇嗙殑log淇℃伅浠ヨ窡韙郴緇熻繍琛屾儏鍐?鑰屽湪緋葷粺紼沖畾鍚庡彲浠ュ叧闂璴og杈撳嚭,浠庤屽湪鑳借窡韙郴緇熻繍琛屾儏鍐電殑鍚屾椂,鍙堝噺灝戜簡鍨冨溇浠ｇ爜(System.out.println(...)絳?銆?br>2.浣跨敤log4j錛岄渶瑕佹暣涓郴緇熸湁涓涓粺涓鐨刲og鏈哄埗錛屾湁鍒╀簬緋葷粺鐨勮鍒掋?br>
log4j鐨勪嬌鐢ㄦ湰韜緢綆鍗曘備絾鍚堢悊鍦拌鍒掍竴涓郴緇熺殑緇熶竴log鏈哄埗闇瑕佸懆鍏ㄧ殑鑰冭檻銆?br>
鍏朵粬鍏充簬log4j鐨勪俊鎭弬鐪媗og4j鑷甫鐨勬枃妗ｃ?br>
PART II 閰嶇疆鏂囦歡璇︾粏瑙ｉ噴
鍏堢湅涓涓厤緗枃浠剁殑渚嬪瓙:
1.閰嶇疆鏂囦歡鐨勪緥瀛?br>
log4j.rootLogger=DEBUG#灝咲AO灞俵og璁板綍鍒癉AOLog,allLog涓璴og4j.logger.DAO=DEBUG,A2,A4#灝嗛昏緫灞俵og璁板綍鍒癇usinessLog,allLog涓璴og4j.logger.Businesslog=DEBUG,A3,A4#A1--鎵撳嵃鍒板睆騫曚笂log4j.appender.A1=org.apache.log4j.ConsoleAppenderlog4j.appender.A1.layout=org.apache.log4j.PatternLayoutlog4j.appender.A1.layout.ConversionPattern=%-5p [%t] %37c %3x - %m%n#A2--鎵撳嵃鍒版枃浠禗AOLog涓?-涓撻棬涓篋AO灞傛湇鍔og4j.appender.A2=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.A2.file=DAOLoglog4j.appender.A2.DatePattern='.'yyyy-MM-ddlog4j.appender.A2.layout=org.apache.log4j.PatternLayoutlog4j.appender.A2.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n#A3--鎵撳嵃鍒版枃浠禕usinessLog涓?-涓撻棬璁板綍閫昏緫澶勭悊灞傛湇鍔og淇℃伅log4j.appender.A3=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.A3.file=BusinessLoglog4j.appender.A3.DatePattern='.'yyyy-MM-ddlog4j.appender.A3.layout=org.apache.log4j.PatternLayoutlog4j.appender.A3.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n#A4--鎵撳嵃鍒版枃浠禷lllog涓?-璁板綍鎵鏈塴og淇℃伅log4j.appender.A4=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.A4.file=allloglog4j.appender.A4.DatePattern='.'yyyy-MM-ddlog4j.appender.A4.layout=org.apache.log4j.PatternLayoutlog4j.appender.A4.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n
2.Appender鐨勪嬌鐢?br>涓涓狝ppender浠ｈ〃log淇℃伅瑕佸啓鍚戠殑涓涓湴鏂廣俵og4j鍙嬌鐢ㄧ殑Appender鏈夊緢澶氱被鍨?榪欓噷鍙冭檻3縐?ConsoleAppender,FileAppender,DailyRollFileAppender
2.1 ConsoleAppender
濡傛灉浣跨敤ConsoleAppender錛岄偅涔坙og淇℃伅灝嗗啓鍒癈onsole銆傚氨鏄洿鎺ユ妸淇℃伅鎵撳嵃鍒癝ystem.out涓婁簡銆?br>2.2 FileAppender
浣跨敤FileAppender錛岄偅涔坙og淇℃伅灝嗗啓鍒版寚瀹氱殑鏂囦歡涓傝繖搴旇鏄瘮杈冪粡甯鎬嬌鐢ㄥ埌鐨勬儏鍐點?br>鐩稿簲鍦幫紝鍦ㄩ厤緗枃浠朵腑搴旇鎸囧畾log杈撳嚭鐨勬枃浠跺悕銆傚涓嬮厤緗寚瀹氫簡log鏂囦歡鍚嶄負demo.txt
log4j.appender.A2.File=demo.txt
娉ㄦ剰灝咥2鏇挎崲涓哄叿浣撻厤緗腑Appender鐨勫埆鍚嶃?br>2.3 DailyRollingAppender
浣跨敤FileAppender鍙互灝唋og淇℃伅杈撳嚭鍒版枃浠朵腑錛屼絾鏄鏋滄枃浠跺お澶т簡璇昏搗鏉ュ氨涓嶆柟渚夸簡銆傝繖鏃跺氨鍙互浣跨敤DailyRollingAppender銆侱ailyRollingAppender鍙互鎶奓og淇℃伅杈撳嚭鍒版寜鐓ф棩鏈熸潵鍖哄垎鐨勬枃浠朵腑銆傚涓嬮厤緗枃浠跺氨浼氭瘡澶╀駭鐢熶竴涓猯og鏂囦歡錛屾瘡涓猯og鏂囦歡鍙褰曞綋澶╃殑log淇℃伅錛?br>
log4j.appender.A2=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.A2.file=demolog4j.appender.A2.DatePattern='.'yyyy-MM-ddlog4j.appender.A2.layout=org.apache.log4j.PatternLayoutlog4j.appender.A2.layout.ConversionPattern=%m%n
3.Layout鐨勯厤緗?br>Layout鎸囧畾浜唋og淇℃伅杈撳嚭鐨勬牱寮忋?br>璇︾粏淇℃伅璇鋒煡鐪婸atternLayout鐨刯avadoc銆?br>渚嬪瓙1錛氭樉紺烘棩鏈熷拰log淇℃伅
log4j.appender.A2.layout=org.apache.log4j.PatternLayoutlog4j.appender.A2.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %m%n
鎵撳嵃鐨勪俊鎭槸錛?br>2002-11-12 11:49:42,866 SELECT * FROM Role WHERE 1=1 order by createDate desc
渚嬪瓙2錛氭樉紺烘棩鏈燂紝log鍙戠敓鍦版柟鍜宭og淇℃伅
log4j.appender.A2.layout=org.apache.log4j.PatternLayoutlog4j.appender.A2.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %l "#" %m%n2002-11-12 11:51:46,313 cn.net.unet.weboa.system.dao.RoleDAO.select(RoleDAO.java:409) "#" SELECT * FROM Role WHERE 1=1 order by createDate desc
渚嬪瓙3錛氭樉紺簂og綰у埆,鏃墮棿,璋冪敤鏂規硶,log淇℃伅
log4j.appender.A2.layout=org.apache.log4j.PatternLayoutlog4j.appender.A2.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%nlog淇℃伅:[DEBUG] 2002-11-12 12:00:57,376 method:cn.net.unet.weboa.system.dao.RoleDAO.select(RoleDAO.java:409)SELECT * FROM Role WHERE 1=1 order by createDate desc
PART 3 log4j鐨勪嬌鐢?br>log4j浣跨敤姝ラ鏈?涓細
3.1.鏍規嵁閰嶇疆鏂囦歡鍒濆鍖杔og4j
閰嶇疆鏂囦歡濡侾ART 2鎵鍙欒堪銆傜幇鍦ㄨ鐨勬槸濡備綍鍦ㄧ▼搴忎腑閰嶇疆log4j銆?br>log4j鍙互浣跨敤3涓厤緗櫒鏉ュ垵濮嬪寲錛欱asicConfigurator,DOMConfigurator,PropertyConfigurator
榪欓噷鐢ㄧ殑鏄疨ropertyConfigurator銆備嬌鐢≒ropertyConfigurator閫傜敤浜庢墍鏈夌殑緋葷粺銆?br>濡備笅鐨勮鍙?br>PropertyConfigurator.configure("log4j.properties");
灝變互log4j.properties涓洪厤緗枃浠跺垵濮嬪寲濂戒簡log4j鐜銆?br>娉ㄦ剰涓鐐癸細榪欎釜璇彞鍙渶瑕佸湪緋葷粺鍚姩鐨勬椂鍊欐墽琛屼竴嬈°備緥濡?鍦╱net webOA欏圭洰涓彲浠ヨ繖涔堢敤:
鍦ˋctionServlet鐨刬nit()鏂規硶涓皟鐢ㄤ竴嬈°?br>
public class ActionServlet extends HttpServlet{.../*** Initialize global variables*/public void init() throws ServletException {// 鍒濆鍖朅ction璧勬簮try{initLog4j();...}catch(IOException e){throw new ServletException("Load ActionRes is Error");}}...protected void initLog4j(){PropertyConfigurator.configure("log4j.properties");}...}//end class ActionServlet
3.2 鍦ㄩ渶瑕佷嬌鐢╨og4j鐨勫湴鏂硅幏鍙朙ogger瀹炰緥
濡備笅鏄疪oleDAO綾諱腑鐨勪嬌鐢ㄤ緥瀛?
static Logger log = Logger.getLogger("DAO");
娉ㄦ剰榪欓噷浣跨敤"DAO"鏍囪瘑絎︼紝閭ｄ箞瀵瑰簲鐨勫湪閰嶇疆鏂囦歡涓搴旂殑閰嶇疆淇℃伅濡備笅錛?br>
#瀹氫箟DAO Logger
log4j.logger.DAO=DEBUG,A2
#璁劇疆Appender A2鐨勫睘鎬?br>
log4j.appender.A2=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.A2.file=demolog4j.appender.A2.DatePattern='.'yyyy-MM-ddlog4j.appender.A2.layout=org.apache.log4j.PatternLayoutlog4j.appender.A2.layout.ConversionPattern=%-5p %d{yyyy-MM-dd HH:mm:ss} %l%n%m%npublic class RoleDAO extends BaseDBObject{...static Logger log = Logger.getLogger("DAO");...public BeanCollection selectAll() throws SQLException{StringBuffer sql = new StringBuffer(SQLBUF_LEN);sql.append("SELECT * FROM " + tableName + " order by roldId");//System.out.println(sql.toString());log.debug(sql);...}...}
3.3 浣跨敤Logger瀵硅薄鐨刣ebug,info,fatal...鏂規硶
log.debug("it is the debug info");
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