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Log4jUtil.java

import org.apache.log4j.Logger;

import org.apache.log4j.MDC;

public class Log4jUtil {

private static Logger logger = Logger.getLogger(Log4jUtil.class.getName());

/**

* 增删改动作的日志写入 (谁 操作 什么)

* @param op 用户操作

* @param param 传入参数

*/

public static void logInfo(String op, String param) {

if( (op.equals("")||op==null) || (param.equals("")||param==null)){

System.out.println("没有参数传入");

}

else{

MDC.put("user", "session.id"); // 用户id

MDC.put("operation", op); // 用户操作

MDC.put("param", param); // 接收参数

logger.info("");

MDC.remove("user");

MDC.remove("operation");

MDC.remove("param");

}

}

/**

* 发生异常的日志写入

* @param ex 异常信息

*/

public static void logError(String ex) {

logger.error(ex);

}

}

log4j.properties(放在src目录下)

### 设置级别和目的地(这里多个目的地) ###

log4j.rootLogger = CONSOLE,InfoLog,ErrorLog,logDB

### 输出到控制台 ###

log4j.appender.CONSOLE = org.apache.log4j.ConsoleAppender

log4j.appender.CONSOLE.Target = System.out

log4j.appender.CONSOLE.layout = org.apache.log4j.PatternLayout

log4j.appender.CONSOLE.layout.ConversionPattern = %d{ABSOLUTE} %5p %c{1}:%L [%t:%r]- %m%n

### 输出文件info ###

log4j.logger.infolog = InfoLog

log4j.appender.InfoLog = org.apache.log4j.DailyRollingFileAppender

log4j.appender.InfoLog.File = logs/info.log

log4j.appender.InfoLog.Append = true

log4j.appender.InfoLog.Threshold = INFO

log4j.appender.InfoLog.DatePattern = '.'yyyy-MM

log4j.appender.InfoLog.layout = org.apache.log4j.PatternLayout

log4j.appender.InfoLog.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] - [%X{user} %X{operation} %X{param}] - %m%n

### 输出文件error ###

log4j.logger.errorlog = ErrorLog

log4j.appender.ErrorLog = org.apache.log4j.DailyRollingFileAppender

log4j.appender.ErrorLog.File = logs/error.log

log4j.appender.ErrorLog.Append = true

log4j.appender.ErrorLog.Threshold = ERROR

log4j.appender.ErrorLog.DatePattern = '.'yyyy-MM

log4j.appender.ErrorLog.layout = org.apache.log4j.PatternLayout

log4j.appender.ErrorLog.layout.ConversionPattern =%-d{yyyy-MM-dd HH\:mm\:ss} [ %t\:%r ] - [ %p ] - [%X{user} %X{operation} %X{param} - %m%n

#将日志输出到SQLserver数据库

log4j.appender.logDB = org.apache.log4j.jdbc.JDBCAppender

log4j.appender.logDB.layout = org.apache.log4j.PatternLayout

log4j.appender.logDB.Driver = com.microsoft.sqlserver.jdbc.SQLServerDriver

log4j.appender.logDB.URL = jdbc:sqlserver://localhost:1433;DatabaseName=hibernatetest

log4j.appender.logDB.User = sa

log4j.appender.logDB.Password = 123456

log4j.appender.logDB.Sql =INSERT INTO T_Log(create_date,[level],category,file_name,thread_name,line,all_category,message,[user],operation,param)values('%d{yyyy-MM-dd HH\:mm\:ss}','%p','%c','%F','%t','%L','%l','%m','%X{user}','%X{operation}','%X{param}')

Sql脚本(SQL Server)

CREATE TABLE [dbo].[T_Log](

[id] [int] IDENTITY(1,1) NOT NULL,

[create_date] [datetime] NULL,

[level] [varchar](50) NULL,

[category] [varchar](50) NULL,

[file_name] [varchar](50) NULL,

[thread_name] [varchar](50) NULL,

[line] [int] NULL,

[all_category] [varchar](50) NULL,

[message] [varchar](50) NULL,

[user] [varchar](50) NULL,

[operation] [varchar](50) NULL,

[param] [varchar](50) NULL,

CONSTRAINT [PK_T_Log] PRIMARY KEY CLUSTERED

(

[id] ASC

)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]

) ON [PRIMARY]

GO

相关jar包

log4j.jar、mssql-jdbc.jar

注意：

log4j.properties文件的数据库连接根据自己的数据库来

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