FileWriter 写文件

FileWriter fw = new FileWriter("C://Users//pc//Desktop//aaa.txt",true);
fw.write("2016-11-10T16:00:00Z");
fw.close();

　　

FileWriter fw = new FileWriter("C://Users//pc//Desktop//aaa.txt",true); 这里true为续写，false为覆盖原有文件