Java把文字追加到文件中

final static String LOG_DIR="c://mylog/";public static void write(String text){    //System.out.println("write to file..."+MyTime.getNowDate());    try {        FileWriter writer=new FileWriter(LOG_DIR+MyTime.getNowDate()+".txt",true);        writer.write(MyTime.getNowTime());        writer.write("\r\n");        writer.write(text);        writer.write("\r\n");        writer.write("\r\n");        writer.close();    } catch (Exception e) {        e.printStackTrace();    }}