{dede:arclist row='1' typeid='1' addfields='body' idlist='1' channelid='1'}
[field:body function='cn_substr(html2text(@me),100)'/]
{/dede:arclist}

{dede:list pagesize='10' addfields='body'}
[field:body function='cn_substr(html2text(@me),100)'/]
{/dede:list}

{dede:sql sql="SELECT body FROM `dede_addonarticle` where aid = 1"}
[field:body function='cn_substr(html2text(@me),100)'/]
{/dede:sql}