log4j 向日志里写信息

log4j.category.org.zblog=INFO,A2 
### 设置输出地A2到文件（文件大小到达指定尺寸的时候产生一个新的文件）##
log4j.appender.A2=org.apache.log4j.RollingFileAppender
log4j.appender.A2.File=E://Log//log.txt  
### 文件位置##
log4j.appender.A2.MaxFileSize=1KB  
### 文件大小##
log4j.appender.A2.MaxBackupIndex=1  
log4j.appender.A2.layout=org.apache.log4j.PatternLayout

Logger logger1 = Logger.getLogger("org.zblog");
			System.out.println(logger1.getName());
			logger1.debug("debug!!!   1");
			logger1
					.info("log4j.appender.A1.layout=org.apache.log4j.PatternLayoutlog4j.appender.A1.layout=org.apache.log4j.PatternLayoutlog4j.appender.A1.layout=org.apache.log4j.PatternLayoutlog4j.appender.A1.layout=org.apache.log4j.PatternLayout");
			logger1.warn("warn!!!    3");
			logger1.error("error!!!   4");
			logger1.fatal("fatal!!!   5");