摘要:
=IF(ISERROR(VLOOKUP(A2,C:C,1,FALSE)),"不在数据库","已写入") 阅读全文
posted @ 2020-07-22 15:54
BloggerSb
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摘要:
public IActionResult ExportCod3es(string codes) { try { byte[] bs = { }; if (string.IsNullOrEmpty(codes)) return File(bs, "text/xml", "导出出错.txt"); var 阅读全文
posted @ 2020-07-22 11:03
BloggerSb
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