Clob类型转换成String类型

//oracle.sql.Clob类型转换成String类型

    public String ClobToString(Clob clob) {

        String reString = "";

        Reader is = null;

        try {

            is = clob.getCharacterStream();

        } catch (SQLException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        // 得到流

        BufferedReader br = new BufferedReader(is);

        String s = null;

        try {

            s = br.readLine();

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        StringBuffer sb = new StringBuffer();

        while (s != null) {

            //执行循环将字符串全部取出付值给StringBuffer由StringBuffer转成STRING

            sb.append(s);

            try {

                s = br.readLine();

            } catch (IOException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }

        }

        reString = sb.toString();

        return reString;

    }