摘要: @Test public void isExist() { File file = new File("C:/Service/DataService/Data/2018-04-02/10000001.db"); if (!file.exists()) { System.out.println("no 阅读全文
posted @ 2018-04-08 16:18 扎王爷 阅读(10067) 评论(0) 推荐(0) 编辑