java.lang.String和java.util.NClob互相转换

//NClob或Clob转String类型

public String clob2Str(NClob nclob) throws Exception {
	String content = "";
	try {
		Reader is = nclob.getCharacterStream();
		BufferedReader buff = new BufferedReader(is);// 得到流
		String line = buff.readLine();
		StringBuffer sb = new StringBuffer();
		while (line != null) {// 执行循环将字符串全部取出付值给StringBuffer由StringBuffer转成STRING
			sb.append(line);
			line = buff.readLine();
		}
		content = sb.toString();
	} catch (Exception e) {
		log.error("java.sql.NClob类型转java.lang.String类型出错..."+e.getCause());
		e.printStackTrace();
	}
	return content;
}

　　

/**
* String转Clob类型
*/
String s="字符串";  
Clob clob=new javax.sql.rowset.serial.SerialClob(s.toCharArray());