服务器日志地址

try {
    Date now = new Date();
    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
    String logName = sdf.format(now);
    //服务器日志地址 /data/website/zhuohuiclass/cloud/logs/
    File logFile = new File("E:\foen_api\foen_api_log\logs\", logName+".txt");
    if (!logFile.exists()) {
        //logFile.mkdirs();
        logFile.createNewFile();
    }
    if(StringUtils.isBlank("")){

    }
    //数据分析用 用户编号 IP 方法 时间
    String data =userName+"	"+ip+"	"+remark+"	"+responseTime+"	"+"
";
    FileOutputStream out = new FileOutputStream(logFile,true);
    out.write(data.getBytes());
    out.close();
}catch (Exception e){
    logger.error("＝＝＞　日志异常");
}