C# TCP 服务器和 Java TCP 客户端之间的编码问题

发布于 2024-12-01 18:28:01 字数 1183 浏览 4 评论 0原文

我面临一些编码问题，我无法找到正确的解决方案。

我有一个 C# TCP 服务器，作为接收和响应 XML 的窗口服务运行，当在输出中传递特殊字符（例如带重音的西班牙语字符（如 á、é、í 等））时，问题就会出现。

服务器响应被编码为 UTF-8，并且 java 客户端正在使用 UTF-8 读取。但是当我打印它的输出时，字符完全不同。

此问题仅发生在 Java 客户端中（C# TCP 客户端按预期工作）。

以下是显示编码问题的服务器代码片段： C# 服务器

   byte[] destBytes = System.Text.Encoding.UTF8.GetBytes("á");
    try
    {
       clientStream.Write(destBytes, 0, destBytes.Length);
       clientStream.Flush();
    }catch (Exception ex)
    {
       LogErrorMessage("Error en SendResponseToClient: Detalle::", ex);
    }

Java 客户端：

socket.connect(new InetSocketAddress(param.getServerIp(), param.getPort()), 20000);
InputStream sockInp = socket.getInputStream();
InputStreamReader streamReader = new InputStreamReader(sockInp, Charset.forName("UTF-8"));
sockReader =  new BufferedReader(streamReader);
String tmp = null;
while((tmp = sockReader.readLine()) != null){
  System.out.println(tmp);
}

对于这个简单的测试，输出显示为：

ß

我做了一些测试，在每种语言上打印出 byte[]，而在 C# 上则输出为： 195, 161

在 java byte[] 中将 print 读为： -61,-95

这与字节类型的有符号(java)、无符号(C#)有关吗？

非常感谢任何反馈。

原文

i'm facing some encoding issue which i'm not able to find the correct solution.

I have a C# TCP server, running as a window service which received and respond XML, the problem comes down when passing special characters in the output such as spanish characters with accents (like á,é,í and others).

Server response is being encoded as UTF-8, and java client is reading using UTF-8. But when i print its output the character is totally different.

This problem only happens in Java client(C# TCP client works as expected).

Following is an snippet of the server code that shows the encoding issue:
C# Server

   byte[] destBytes = System.Text.Encoding.UTF8.GetBytes("á");
    try
    {
       clientStream.Write(destBytes, 0, destBytes.Length);
       clientStream.Flush();
    }catch (Exception ex)
    {
       LogErrorMessage("Error en SendResponseToClient: Detalle::", ex);
    }

Java Client:

socket.connect(new InetSocketAddress(param.getServerIp(), param.getPort()), 20000);
InputStream sockInp = socket.getInputStream();
InputStreamReader streamReader = new InputStreamReader(sockInp, Charset.forName("UTF-8"));
sockReader =  new BufferedReader(streamReader);
String tmp = null;
while((tmp = sockReader.readLine()) != null){
  System.out.println(tmp);
}

For this simple test, the output show is: