日志框架实现实时修改，实时生效，具体框架思路（3）

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第二章中只给出了具体的变量定义，下面给出部分方法：

public void buildProperties(List<LogConfigBean> list) {
File backFile = new File(WEB_INF_PATH + LOG4J_BACK_PROP);
Properties props = readLog4jProperties();
if (backFile.exists()) {
backFile.delete();
}
FileWriter fw = null;
try {
backFile.createNewFile();
fw = new FileWriter(backFile);
fw.write(initPropsData(props, "log4j.rootLogger", "info,stdout, R"));
fw.write(initPropsData(props, "log4j.appender.stdout",
"org.apache.log4j.ConsoleAppender"));
fw.write(initPropsData(props, "log4j.appender.stdout.layout",
"org.apache.log4j.PatternLayout"));
fw.write(initPropsData(props,
"log4j.appender.stdout.layout.ConversionPattern",
"%5p [%t] (%F:%L) - %m%n"));
fw.write(initPropsData(props, "logdir", LOG_PATH));
fw.write(ENTER_CODE);
fw.write(initPropsData(props, "log4j.appender.R",
"com.work.log.log.appender.DailyAndSizeRollingFileAppender"));
fw.write(initPropsData(props, "log4j.appender.R.File",
"${logdir}system.log"));
fw.write(initPropsData(props, "log4j.appender.R.DatePattern",
"‘.‘yyyyMMdd"));
fw.write(initPropsData(props, "log4j.appender.R.Append", "true"));
fw.write(initPropsData(props, "log4j.appender.R.MaxFileSize",
"10MB"));
fw.write(initPropsData(props, "log4j.appender.R.MaxBackupIndex",
"10"));
fw.write(initPropsData(props, "log4j.appender.R.layout",
"org.apache.log4j.PatternLayout"));
fw.write(initPropsData(props,
"log4j.appender.R.layout.ConversionPattern",
LAYOUT_PATTERN_VALUE));

日志框架实现实时修改，实时生效，具体框架思路（3）

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原文地址：http://blog.csdn.net/liuzhixiong1992/article/details/46604011