PLSQLXML特殊字符转换

---特殊字符转换

目前创新互联已为上千多家的企业提供了网站建设、域名、网页空间、网站托管维护、企业网站设计、阿尔山网站维护等服务，公司将坚持客户导向、应用为本的策略，正道将秉承"和谐、参与、激情"的文化，与客户和合作伙伴齐心协力一起成长，共同发展。

  function process_xml(old_xml in varchar2) return varchar2 as

    new_xml varchar2(1000);

  begin

    select replace(old_xml, '<', '<') into new_xml from dual;

    select replace(new_xml, '>', '>') into new_xml from dual;

    select replace(new_xml, '&', '&') into new_xml from dual;

    select replace(new_xml, '''', ''') into new_xml from dual;

    select replace(new_xml, '"', '"') into new_xml from dual;

    SELECT regexp_replace(new_xml, '^(\W)*|(\W)*$', '')

      INTO new_xml

      FROM dual;

    return new_xml;

  exception

    when others then

      return 'ERROR!';

  end process_xml;