在c＃中將字符串轉換爲字節數組並將字節數組轉換爲java中的字符串

我有客戶端服務器設置，客戶端使用C＃，服務器使用Java。現在我編碼的字符串轉換成字節數組，並將其發送到Java服務器，但是當爪哇解碼它接收到一個String與每個字符之後的空間：在c＃中將字符串轉換爲字節數組並將字節數組轉換爲java中的字符串

Sending PLAIN >>>>> Received P L A I N

C＃代碼（發送者）：

static byte[] GetBytes(string str) { 
    byte[] bytes = Encoding.UTF8.GetBytes(str); 
    // System.Buffer.BlockCopy(str.ToCharArray(), 0, bytes, 0, bytes.Length); 
    return bytes; 
}

Java代碼（接收器）：

protected SaslResponse receiveSaslMessage() throws TTransportException { 
    underlyingTransport.readAll(messageHeader, 0, messageHeader.length); 
    byte statusByte = messageHeader[0]; 
    // Bytes for C# code received here 
    byte[] payload = new byte[EncodingUtils.decodeBigEndian(messageHeader, STATUS_BYTES)]; 
    underlyingTransport.readAll(payload, 0, payload.length); 

    NegotiationStatus status = NegotiationStatus.byValue(statusByte); 
    if (status == null) { 
     sendAndThrowMessage(NegotiationStatus.ERROR, "Invalid status " + statusByte); 
    } else if (status == NegotiationStatus.BAD || status == NegotiationStatus.ERROR) { 
     try { 
      String remoteMessage = new String(payload, "UTF-8"); 
      throw new TTransportException("Peer indicated failure: " + remoteMessage); 
     } catch (UnsupportedEncodingException e) { 
      throw new TTransportException(e); 
     } 
    } 

    if (LOGGER.isDebugEnabled()) 
     LOGGER.debug(getRole() + ": Received message with status {} and payload length {}", 
       status, payload.length); 
    return new SaslResponse(status, payload); 
} 

protected void handleSaslStartMessage() throws TTransportException, SaslException { 
    // call upper method 
    SaslResponse message = receiveSaslMessage(); 

    LOGGER.debug("Received start message with status {}", message.status); 
    if (message.status != NegotiationStatus.START) { 
     sendAndThrowMessage(NegotiationStatus.ERROR, "Expecting START status, received " + message.status); 
    } 

    // Bytes converted to string here - Received P L A I N 
    String mechanismName = new String(message.payload); 

    TSaslServerDefinition serverDefinition = serverDefinitionMap.get(mechanismName); 
    LOGGER.debug("Received mechanism name '{}'", mechanismName); 

    if (serverDefinition == null) { 
     sendAndThrowMessage(NegotiationStatus.BAD, "Unsupported mechanism type " + mechanismName); 
    } 
    SaslServer saslServer = Sasl.createSaslServer(serverDefinition.mechanism, 
    serverDefinition.protocol, serverDefinition.serverName, serverDefinition.props, 
    serverDefinition.cbh); 
    setSaslServer(saslServer); 
}

來源

2014-10-05 Bhupesh Sharma

我認爲你應該使用'UTF8'，不'UTF8'字符串，即'字符串remoteMessage =新的字符串（有效載荷，「UTF8」）;' – dasblinkenlight 2014-10-05 10:19:19

C＃追加'nul'字符，即'\ 0'？ – 2014-10-05 10:22:39

我懷疑c＃是否添加它們，但可以使用十六進制編輯器輕鬆檢查它？ – Noctis 2014-10-05 10:35:02

首先添加調試到C＃代碼：

static byte[] GetBytes(string str) { 
    byte[] bytes = Encoding.UTF8.GetBytes(str); 
    // System.Buffer.BlockCopy(str.ToCharArray(), 0, bytes, 0, bytes.Length); 
    Console.WriteLine("Base64 debug: " + Convert.ToBase64String(data)); 
    return bytes; 
}

那麼同樣爲Java代碼：

// Bytes converted to string here - Received P L A I N 
System.out.println("Base64 debug: " + new sun.misc.BASE64Encoder().encode(message.payload)); 
String mechanismName = new String(message.payload);

最後取代：

//String mechanismName = new String(message.payload); 
String mechanismName = new String(message.payload, "UTF-8");

來源

2014-10-06 13:39:04 ursa

在c＃中將字符串轉換爲字節數組並將字節數組轉換爲java中的字符串

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