如何将iso-8859-1正确转换为utf8?

问题描述

我需要将响应流写入文件.流包含一个编码页面(iso-8859-1).

I need to write a response stream to a file. The stream contains an encoded page (iso-8859-1).

这是我的代码:

...

using (TextWriter writer = new StreamWriter(tmpFilePath))
{
  using (TextReader reader = new StreamReader(answer, Encoding.GetEncoding("ISO-8859-1")))
  {

    string line = "";
    while ((line = reader.ReadLine()) != null)
    {

      // try to decode
      string decoded_line = decode(line);

      writer.WriteLine(decoded_line);
    }

  }

}

...


string decode(string message)
{
  string result = "";

  Encoding iso = Encoding.GetEncoding("iso-8859-1");
  Encoding utf8 = Encoding.UTF8;

  byte[] isoBytes = iso.GetBytes(message);
  byte[] utf8Bytes = Encoding.Convert(iso, utf8, isoBytes);

  result = utf8.GetString(utf8Bytes);

  return result;
}

问题是decode()无法正常工作

The problem is that decode() is not working

如何将iso-8859-1正确转换为utf8?

How can I convert iso-8859-1 to utf8 correctly?

更新

我依靠提琴手来获取内容类型:

I rely on fiddler to get the content-type:

推荐答案

鉴于这种情况，它应该足以:

Given the situation it should be enough to:

using (TextWriter writer = new StreamWriter(tmpFilePath, Ecoding.UTF8))
{
 using (TextReader reader = new StreamReader(answer, Encoding.GetEncoding("ISO-8859-1")))
 {
   while ((line = reader.ReadLine()) != null)
   {
      writer.WriteLine(decoded_line);
   }
 }
}

如果这不起作用，请检查您的数据. (第一行)在调试器中的外观如何?

If this doesn't work, check your data. How does the (first) line look in the debugger?

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