摘要：源码： public async Task<ListApiResponse<UploadFileResponse>> uploadfile() { ListApiResponse<UploadFileResponse> info = new ListApiResponse<UploadFileRes 阅读全文

摘要：统计不同身份角色，注册情况，列横向统计，列纵向统计两种； 一、横向统计 select count(*) as 总注册用户量, sum(case TypeId when 2 then 1 else 0 end) as 生产企业, sum(case TypeId when 3 then 1 else 0 阅读全文