{dede:sql sql="select dede_ask.id,dede_ask.title,dede_askanswer.content from dede_ask LEFT JOIN dede_askanswer on dede_ask.id=dede_askanswer.askid where dede_askanswer.ifanswer=1 and dede_askanswer.ifcheck=1 and dede_ask.bestanswer=dede_askanswer.id order by dede_ask.id desc LIMIT 0,2"} 问：[field:title function=cn_substr(@me,40)/] 答：[field:content function=cn_substr(html2text(@me),68)/]…[详细] {/dede:sql} {dede:sql sql="select dede_ask.id,dede_ask.title,dede_askanswer.content from dede_ask LEFT JOIN dede_askanswer on dede_ask.id=dede_askanswer.askid where dede_askanswer.ifanswer=1 and dede_askanswer.ifcheck=1 or dede_ask.bestanswer=dede_askanswer.id order by dede_ask.id desc LIMIT 0,3"} 问：[field:title function=cn_substr(@me,46)/]
答：[field:content function=cn_substr(html2text(@me),40)/]，…详情>>
{/dede:sql} 详细的调用数据多少条，还有长度，大家自己修改为自己想要的数就可以了。
