摘要:
原始数据:目标效果:SQL语句:select bb.sshop_c,bb.sshop_n,case sweek6 when 0 then '×' else '√' end saturday ,case sweek7 when 0 then '×' else '√' end sundayfrom( ... 阅读全文
摘要:
//文件远程下载 WebClient client = new WebClient(); Uri uri = new Uri(url); client.DownloadFile(Uri uri,String filename);//文件一定得存在不然会报错所以在删除文件时先判断这个文件是否存... 阅读全文