100分!!关于Oracle插入clob的问题,急!!在线等,解答立马结帐!
Oracle数据库中有个clob字段,事先执行了插入empty_clob()值,但是我在调用: 
 PreparedStatement   st   =   conn.prepareStatement( "SELECT   content   FROM   topic   WHERE   tid=?   FOR   UPDATE "); 
 st.setInt(1,tid); 
 ResultSet   rs   =   st.executeQuery(); 
 rs.next();   
 rs.next()返回的是一个false。。 
 但是我在sqlplus里执行上面的SELECT查询语句,能得到的结果啊!! 
 在线盼高人解答!
------解决方案--------------------那就把分给大家分了吧,免得影响lz的信誉。
------解决方案--------------------呵呵!我也来蹭分!今天运气这么好阿!
------解决方案--------------------哈哈 UP
------解决方案--------------------jf
------解决方案--------------------这是我写的一个例子,里面有关于clob的插入的解决方法 
 Statement stmt = this.getStatement(); 
 		if(stmt == null)return; 
 		//先插入一个值到数据表中,其中IMPORTDATA是clob类型,先插入一个    //empty_clob() 
 		int n = 0; 
 		StringBuffer strSql = new StringBuffer(); 
 		strSql.append( "insert into TXTFILEIMPORT(IMPORTDATA,DATADATE,DATAFILENAME) values ") 
 		      .append( "( " +  "empty_clob() " +  ",To_Date( ' " + this.getFormat().format(date)+ " ', 'yyyy-mm-dd '), ' " + fileName +  " ') "); 
 		log.info(strSql.toString()); 
 		try { 
 			n = stmt.executeUpdate(strSql.toString()); 
 		} catch (
SQLException e) { 
 			log.error(e); 
 			return; 
 		} 
 		if(n  <= 0) { 
 			log.error( "insert failed!!! "); 
 			return; 
 		}  		    		 
 		//更新数据表中clob的值 
 		strSql.delete(0, strSql.length()); 
 		strSql.append( "select importData from txtFileImport where id =  " + n1 +  " for update "); 
 		try { 
 			rs = stmt.executeQuery(strSql.toString()); 
 			if(rs.next()) { 
 				oracle.sql.CLOB clob = (oracle.sql.CLOB) rs.getClob( "importData "); 
 				Writer outStream = clob.setCharacterStream(0); 
 		        char[] c = str.toCharArray(); 
 		        try { 
 					outStream.write(c, 0, c.length); 
 					outStream.flush(); 
 				    outStream.close(); 
 				} catch (
IOException e) { 
 					log.error( "The error is:  " + e ); 
 					log.error( "import txt file data fail "); 
 					return; 
 				}	  
 			    conn.commit(); 
 			    rs.close(); 
 			    stmt.close(); 
 			    conn.close();	 
 			}  		     
 		} catch (SQLException e) { 
 			log.error( "The error is:  " + e ); 
 			log.error( "import txt file data fail "); 
 			return; 
 		} finally { 
 			rs = null; 
 			stmt = null; 
 			conn = null; 
 		} 
 		log.info( "Data import successful! "); 
 	} 
------解决方案--------------------上面的说没错哦。
------解决方案--------------------jf
------解决方案--------------------应该用:setAsciiStream(1,sbin,xxnr.length());
搂主用setString()试试插入60000个字节以上的内容看看