- import java.io.Reader;
- import java.sql.Clob;
- public class ClobTransfer {
- /**
- * 将String转成Clob ,静态方法
- *
- * @param str
- * 字段
- * @return clob对象,如果出现错误,返回 null
- */
- public static Clob stringToClob(String str) {
- if (null == str)
- return null;
- else {
- try {
- java.sql.Clob c = new javax.sql.rowset.serial.SerialClob(str
- .toCharArray());
- return c;
- } catch (Exception e) {
- return null;
- }
- }
- }
- /**
- * 将Clob转成String ,静态方法
- *
- * @param clob
- * 字段
- * @return 内容字串,如果出现错误,返回 null
- */
- public static String clobToString(Clob clob) {
- if (clob == null)
- return null;
- StringBuffer sb = new StringBuffer();
- Reader clobStream = null;
- try {
- clobStream = clob.getCharacterStream();
- char[] b = new char[60000];// 每次获取60K
- int i = 0;
- while ((i = clobStream.read(b)) != -1) {
- sb.append(b, 0, i);
- }
- } catch (Exception ex) {
- sb = null;
- } finally {
- try {
- if (clobStream != null) {
- clobStream.close();
- }
- } catch (Exception e) {
- }
- }
- if (sb == null)
- return null;
- else
- return sb.toString();
- }
- public static String clobToString(oracle.sql.CLOB clob){
- try{
- Reader inStream = clob.getCharacterStream();
- char[] c = new char[(int) clob.length()];
- inStream.read(c);
- String data = new String(c);
- inStream.close();
- return data;
- }catch(Exception e){
- e.printStackTrace();
- return "";
- }
- }
- }
源博客地址:http://blog.youkuaiyun.com/rcfalcon/article/details/7183918