log4j的简单配置
log4j.rootLogger=DEBUG,console,file#控制台输出相关设置log4j.appender.console = org.apache.log4j.ConsoleAppenderlog4j.appender.console.Target = System.outlog4j.appender.console.Threshold = DEBUGlog4j.appender.console.layout = org.apache.log4j.PatternLayoutlog4
