public synchronized void InsertTags(String name, String author, String tags) {
        String select_article_id = "SELECT id from zhangyu_sca.article WHERE (name = '" + name + "' and author = '" + author + "');";
        try {
            ResultSet re = tags_ste.executeQuery(select_article_id);
//			ResultSetMetaData m = re.getMetaData();
//			int count = m.getColumnCount();
//			while (re.next()){
//				for (int i =1; i<= count; i++){
//					System.out.println(re.getInt(i));
//				}
//			}
            if (re.next()) {
                int id = re.getInt(1);
                tags_ste.executeUpdate("INSERT INTO zhangyu_sca.article_tags(article_id, tags) values ('" + id + "' ,'" + tags + "');");
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
    }