c#拉姆达公式实现List的脱重
varlist=student list.order by descending (a=a.create date ).ToList )； console.writeline (JSON convert.serialize object (list.where ((x，I )=list.Findindex ) z=z.id==x.id )
转载于：https://www.cn blogs.com/yechangzhong-826217795/p/10938731.html