首页 > 应用开发 > > C# 使用NPOI读取远程url的Excel的问题
BinaryFormatter serializer = new BinaryFormatter();
using (System.IO.MemoryStream memStream = new System.IO.MemoryStream())
{
memStream.Position = 0;
WebClient webClient = new WebClient();
var obj = webClient.DownloadData(fileName);//fileName 是远程url地址,可以url直接下载
serializer.Serialize(memStream, obj);
workbook = new HSSFWorkbook(memStream); //在这儿就报错了,报错异常在下面
}
报错异常是:"Invalid header signature; read 0xFFFFFF0000000100, expected 0xE11AB1A1E011CFD0"
声明:excel文件格式正常。请各位大侠帮忙指教一下!谢谢!
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