03 2019 档案

获取当前时间的月的最后一天
摘要：Calendar c = Calendar.getInstance();c.setTime(new Date());c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH));SimpleDateFormat for 阅读全文
posted @ 2019-03-20 16:49 fc-shi 阅读(4731) 评论(0) 推荐(1)
java把数据到指定文件
摘要：String filename = "F:\\test123.txt";FileOutputStream stream = null;OutputStreamWriter writer = null;try { stream = new FileOutputStream(filename, true 阅读全文
posted @ 2019-03-20 16:45 fc-shi 阅读(349) 评论(0) 推荐(0)