oracle中添加、读取clob大对象

读取CLob：

         Clob clob = rs.getClob("news_content");
         String  content=clob.getSubString((long)1,(int)clob.length());

将string类型存入CLob:

         PreparedStatement pstmt=conn.prepareStatement(sql);         

         String content=news.getNewsContent();
         java.io.Reader  clobReader  =  new  java.io.StringReader(content);  
         pstmt.setCharacterStream(5,  clobReader,  content.length());