try {
        Connection con =DBManager.getConn();
        String sql="update t114stuinfo set salary=salary+? where stuName like ?";
        PreparedStatement pstmt =con.prepareStatement(sql);
        pstmt.setInt(1,1000);
        pstmt.setString(2,"tt");
        int x=pstmt.executeUpdate();
        if(x>0){
            System.out.println("更新成功");
        }else{
            System.out.println("更新失败");
        }
        pstmt.close();
        con.close();
    } catch (SQLException e) {
        // TODO 自动生成 catch 块
        e.printStackTrace();
    }

            Class.forName("net.sourceforge.jtds.jdbc.Driver");
            Connection con = DriverManager.getConnection(
                    "jdbc:jtds:sqlserver://localhost:1433/jiu", "sa", "1991721");
            String sql =
                    "update admin set username = ? where username like ?";
            PreparedStatement pstmt = con.prepareStatement(sql);
            pstmt.setString(1, "ninty");
            pstmt.setString(2, "%n%");

            int x = pstmt.executeUpdate();
            if (x > 0) {
                System.out.println("更新成功");
            } else {
                System.out.println("更新失败");
            }
            pstmt.close();
            con.close();

------解决方案--------------------
你不用PreparedStatement 不行吗

或者不使用odbc桥

顺便问下楼上的
net.sourceforge.jtds.jdbc.Driver可以连odbc吗,没试过不了解