摘要： 老问题了，之所以贴出来是给大家看看，希望不要出现类似的错误：Java代码 this.item=new ArrayList(); books = new Books(); ResultSet rs = new DBoperate().getResultSet("select * from tblbooks"); int i=0; while (rs.next()) { books.setBm(rs.getString("bm")); books.setMc(rs.get... 阅读全文