我自己写的文件输入流,实现了写日志的功能.我自己打成了.JAR包.用JAVA -JAR LOG.JAR就能运行程序.可以为那些想学JAVA的人提供参考-I write in the paper input stream, achieved a written log function. I became his own. JAR package. with JAVA-JAR can LOG.JAR operational procedures. for those who want to lea