Log 4 j基本構成例
3868 ワード
1.log4j.properties
2.Log類
log4j.rootLogger=INFO, stdout, fileout
log4j.logger.TestProject=INFO
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%-5p %d{yyyy-MM-dd HH:mm:ss} %l %c : %m%n
log4j.appender.fileout=org.apache.log4j.FileAppender
log4j.appender.fileout.File=c:/test.log
log4j.appender.fileout.layout=org.apache.log4j.PatternLayout
log4j.appender.fileout.layout.ConversionPattern=%-5p %d{yyyy-MM-dd HH:mm:ss} %l %c : %m%n
2.Log類
import java.io.File;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
public class Log {
private static Logger logger;
private static String filePath = "config/log4j.properties";
private static boolean flag = false;
private static synchronized void getPropertyFile() {
logger = Logger.getLogger("TestProject");
PropertyConfigurator.configure(new File(filePath).getAbsolutePath());
flag = true;
}
private static void getFlag() {
if (flag == false)
Log.getPropertyFile();
}
public static void logInfo(String message) {
Log.getFlag();
logger.info(message);
}
public static void logError(String message) {
Log.getFlag();
logger.error(message);
}
public static void logWarn(String message) {
Log.getFlag();
logger.warn(message);
}
}