select a.id as aid,b.id as bid,a.city,a.cang,a.sid,a.time as atime,b.time as btime,a.price as aprice,b.price as bprice,a.pm as apm,b.pm as bpm from (select id,city,cang,sid,time,price,@rank:=@rank+1 as pm from cai,(SELECT @rank:=0) B group by id,ci
脚注和尾注是对文本的补充说明.脚注一般位于页面的底部,可以作为文档某处内容的注释:尾注一般位于文档的末尾,列出引文 的出处等.在本示例中将介绍如何来添加或删除Word脚注. 工具使用:Free Spire. Doc for .NET(免费版) 第一步 :dll引用 第二步: 添加Word脚注.尾注 [C#] using Spire.Doc; using Spire.Doc.Documents; using Spire.Doc.Fields; using System.Drawing; names