JDBC 封装连接是好的前提:SystemAuthorizingRealm c = new SystemAuthorizingRealm();conn = c.getConnection();//conn = ((DataSource) SpringContextUtil.getBean("dataSource")).getConnection();PreparedStatement ps = conn.prepareStatement(sql);ps.setString(i1, token.getUsername().trim());ps.setString(i2, Encrypt.getMD5(String.valueOf(token.getPassword())).trim());System.out.println(Encrypt.getMD5(String.valueOf(token.getPassword())));//运行到这里时。我把sql和相关參数放到工具里查询时能查询到数据; ResultSet rs = ps.executeQuery(); //这里确打印的是false,按理说有数据应该是true才对吧?System.out.println(rs.next());那位知道的帮忙指导一下吧?
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