解决本地文本文件上传到服务器乱码问题（C#），ANSI转UTF-8编码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace testConsoleApplication1
{
class Class2
{
public static void Main()
{
FileStream fs = new FileStream(@"D:\name.xml", FileMode.Open, FileAccess.Read);
//D：\name.xml ANSI编码，含中英文
StreamReader sr = new StreamReader(fs,Encoding.Default);
//StreamReader sr = new StreamReader(fs);中文会显示乱码，加上Encoding.Default就没有乱码了
FileStream fsw = new FileStream(@"D:\renamed.xml", FileMode.Create, FileAccess.Write);
StreamWriter sw = new StreamWriter(fsw, Encoding.UTF8);
Char[] charArr = new Char[100];
int count = sr.Read(charArr, 0, 100);
while (count != 0)
{
sw.Write(charArr, 0, count);
count = sr.Read(charArr, 0, 100);
}
sw.Close();
sr.Close();
fsw.Close();
fs.Close();
FileStream fstest = new FileStream(@"D:\renamed.xml", FileMode.Open, FileAccess.Read);
StreamReader srtest = new StreamReader(fstest);
string rlt = srtest.ReadToEnd();
Console.WriteLine(rlt);
}
}
}