//注册编码提供程序
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
//实例
using var sr = new System.IO.StreamReader(@"E:\AutoUpdaData\SAACNACN.txt", Encoding.GetEncoding("gbk"));
string line;
while ((line = sr.ReadLine()) != null)
{
//逐行读取
Console.WriteLine(line);
}
原文:https://www.cnblogs.com/namejmj/p/14754626.html