问题描述
- 菜鸟在access中遇到问题 求教大神
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access中我不懂得是如何在sql语句中用变量来更改数据的值,而我数据库中得balance值是float型的,我不知道原因出在哪里 能否帮我解答一下 赶紧不尽啊System.out.println("enter the money to save");
int id =0;
float moneys = reader.nextFloat();
acc.Deposit(moneys);
float getMoney = 111;try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); } catch (ClassNotFoundException e) { System.out.println(e); } System.out.println("1"); try{ con = DriverManager.getConnection("jdbc:odbc:mydata","",""); sql = con.createStatement(); rs = sql.executeQuery("update db set balance="+getMoney+" where id="+id+""); con.close(); } catch(SQLException e){ System.out.println(e); }
时间: 2025-01-01 04:45:19