#1 定义了三个输出端
log4j.rootLogger = INFO, A1,A2,A3
#2 定义A1输出到控制器,输出到控制台
log4j.appender.A1 = org.apache.log4j.ConsoleAppender
#3 定义A1的布局模式为PatternLayout
log4j.appender.A1.layout = org.apache.log4j.PatternLayout
#4 定义A1的输出格式
log4j.appender.A1.layout.ConversionPattern = %-4r [%t] %-5p %c - %m%n
#5 定义A2输出到文件
log4j.appender.A2 = org.apache.log4j.RollingFileAppender
#6 定义A2要输出到哪一个文件
log4j.appender.A2.File = c:\\example3.log
#7 定义A2的输出文件的最大长度
log4j.appender.A2.MaxFileSize = 1KB
#8 定义A2的备份文件数
log4j.appender.A2.MaxBackupIndex = 3
#9 定义A2的布局模式为PatternLayout
log4j.appender.A2.layout = org.apache.log4j.PatternLayout
#10 定义A2的输出格式
log4j.appender.A2.layout.ConversionPattern = %d{yyyy-MM-dd hh:mm:ss}:%p %t %c - %m%n
#11区 定义A3输出到数据库
log4j.appender.A3 = org.apache.log4j.jdbc.JDBCAppender
log4j.appender.A3.BufferSize = 40
log4j.appender.A3.Driver = com.microsoft.jdbc.sqlserver.SQLServerDriver
log4j.appender.A3.URL = jdbc:microsoft:sqlserver://zxl;databasename=hmsc;SelectMethod=Cursor
log4j.appender.A3.User =sa
log4j.appender.A3.Password =sa
log4j.appender.A3.layout = org.apache.log4j.PatternLayout
log4j.appender.A3.layout.ConversionPattern = INSERT INTO log4j (createDate, thread, priority, category, message) values(getdate(), '%t', '%-5p', '%c', '%m')
定义输出到数据库时,建表语句:
create table log4j(
logID int primary key identity,
message varchar(1024),
priority varchar(10),
milliseconds int,
category varchar(256),
thread varchar(100),
NDC varchar(256),
createDate datetime,
location varchar(256),
caller varchar(100),
method varchar(100),
filename varchar(100),
line int
)
log4j.rootLogger = INFO, A1,A2,A3
#2 定义A1输出到控制器,输出到控制台
log4j.appender.A1 = org.apache.log4j.ConsoleAppender
#3 定义A1的布局模式为PatternLayout
log4j.appender.A1.layout = org.apache.log4j.PatternLayout
#4 定义A1的输出格式
log4j.appender.A1.layout.ConversionPattern = %-4r [%t] %-5p %c - %m%n
#5 定义A2输出到文件
log4j.appender.A2 = org.apache.log4j.RollingFileAppender
#6 定义A2要输出到哪一个文件
log4j.appender.A2.File = c:\\example3.log
#7 定义A2的输出文件的最大长度
log4j.appender.A2.MaxFileSize = 1KB
#8 定义A2的备份文件数
log4j.appender.A2.MaxBackupIndex = 3
#9 定义A2的布局模式为PatternLayout
log4j.appender.A2.layout = org.apache.log4j.PatternLayout
#10 定义A2的输出格式
log4j.appender.A2.layout.ConversionPattern = %d{yyyy-MM-dd hh:mm:ss}:%p %t %c - %m%n
#11区 定义A3输出到数据库
log4j.appender.A3 = org.apache.log4j.jdbc.JDBCAppender
log4j.appender.A3.BufferSize = 40
log4j.appender.A3.Driver = com.microsoft.jdbc.sqlserver.SQLServerDriver
log4j.appender.A3.URL = jdbc:microsoft:sqlserver://zxl;databasename=hmsc;SelectMethod=Cursor
log4j.appender.A3.User =sa
log4j.appender.A3.Password =sa
log4j.appender.A3.layout = org.apache.log4j.PatternLayout
log4j.appender.A3.layout.ConversionPattern = INSERT INTO log4j (createDate, thread, priority, category, message) values(getdate(), '%t', '%-5p', '%c', '%m')
定义输出到数据库时,建表语句:
create table log4j(
logID int primary key identity,
message varchar(1024),
priority varchar(10),
milliseconds int,
category varchar(256),
thread varchar(100),
NDC varchar(256),
createDate datetime,
location varchar(256),
caller varchar(100),
method varchar(100),
filename varchar(100),
line int
)
本文详细介绍了Log4j的日志配置方法,包括控制台输出、文件滚动输出及数据库记录三种方式,并具体说明了每种输出方式的配置参数、布局模式及输出格式。
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