informix数据库:
插入text类型字段的方法
String body = "data";
StringBufferInputStream is = new StringBufferInputStream(body);
stmt.setAsciiStream(1, is, is.available());
获取text类型字段的方法
InputStream is = rs.getAsciiStream(1);
String body = EJBUtil.getInstance().getCLOB(is);
if (body == null)
body = "";
body = body.trim();