Java 将bytearray从AS3发送到SpringMVCServlet
我需要从Flex向SpringMVCServlet发送一个ByteArray,但它不起作用。我录制了一个音频样本,在AS3中转换成bytearray并发送到SpringMVCServlet,但接收Java的数据为空 AS3代码:Java 将bytearray从AS3发送到SpringMVCServlet,java,actionscript-3,spring-mvc,post,bytearray,Java,Actionscript 3,Spring Mvc,Post,Bytearray,我需要从Flex向SpringMVCServlet发送一个ByteArray,但它不起作用。我录制了一个音频样本,在AS3中转换成bytearray并发送到SpringMVCServlet,但接收Java的数据为空 AS3代码: var flacCodec:Object; flacCodec = (new cmodule.flac.CLibInit).init(); bytes.position = 0; var rawData: ByteArra
var flacCodec:Object;
flacCodec = (new cmodule.flac.CLibInit).init();
bytes.position = 0;
var rawData: ByteArray = new ByteArray();
var flacData : ByteArray = new ByteArray();
rawData = convert32to16(bytes);
flacData.endian = Endian.LITTLE_ENDIAN;
flacCodec.encode( encodingCompleteHandler,
encodingProgressHandler,
rawData,
flacData,
rawData.length,
30);
function encodingCompleteHandler(event:*):void {
var PATH:String = "http://localhost:8080/myproject/speechRecognition/";
var urlRequest:URLRequest = new URLRequest(PATH);
var urlLoader:URLLoader = new URLLoader();
urlRequest.contentType = "audio/x-flac; rate=44000";
var variables:URLVariables = new URLVariables();
variables.contents = flacData;
variables.filename = "test";
urlRequest.data = variables;
urlRequest.method = URLRequestMethod.POST;
urlLoader.dataFormat = URLLoaderDataFormat.TEXT; // default
urlLoader.addEventListener(Event.COMPLETE, urlLoader_complete);
urlLoader.addEventListener(ErrorEvent.ERROR, urlLoader_error);
urlLoader.load(urlRequest);
@RequestMapping(value = "/",method = RequestMethod.POST)
public String getSpeechRecognition(ServletRequest req) {
String filename = req.getParameter("filename");
byte[] contents = req.getParameter("contents").getBytes();
request= new SpeechRecognitionRequestVO();
request.setData(contents);
try {
response=((SpeechRecognitionResponseVO) getSpeechRecognitionService().getSpeechRecognition(request));
} catch (Exception e){
logger.error(e.toString());
}
return "views/sequence";
}
JAVA代码:
var flacCodec:Object;
flacCodec = (new cmodule.flac.CLibInit).init();
bytes.position = 0;
var rawData: ByteArray = new ByteArray();
var flacData : ByteArray = new ByteArray();
rawData = convert32to16(bytes);
flacData.endian = Endian.LITTLE_ENDIAN;
flacCodec.encode( encodingCompleteHandler,
encodingProgressHandler,
rawData,
flacData,
rawData.length,
30);
function encodingCompleteHandler(event:*):void {
var PATH:String = "http://localhost:8080/myproject/speechRecognition/";
var urlRequest:URLRequest = new URLRequest(PATH);
var urlLoader:URLLoader = new URLLoader();
urlRequest.contentType = "audio/x-flac; rate=44000";
var variables:URLVariables = new URLVariables();
variables.contents = flacData;
variables.filename = "test";
urlRequest.data = variables;
urlRequest.method = URLRequestMethod.POST;
urlLoader.dataFormat = URLLoaderDataFormat.TEXT; // default
urlLoader.addEventListener(Event.COMPLETE, urlLoader_complete);
urlLoader.addEventListener(ErrorEvent.ERROR, urlLoader_error);
urlLoader.load(urlRequest);
@RequestMapping(value = "/",method = RequestMethod.POST)
public String getSpeechRecognition(ServletRequest req) {
String filename = req.getParameter("filename");
byte[] contents = req.getParameter("contents").getBytes();
request= new SpeechRecognitionRequestVO();
request.setData(contents);
try {
response=((SpeechRecognitionResponseVO) getSpeechRecognitionService().getSpeechRecognition(request));
} catch (Exception e){
logger.error(e.toString());
}
return "views/sequence";
}
我在此参数中接收空值:
req.getParameter("contents")
有人知道发生了什么吗?这将以二进制形式发送数据:
var header : URLRequestHeader = new URLRequestHeader("Content-type", "application/octet-stream");
var url_request : URLRequest = new URLRequest();
url_request.url = _url;
url_request.contentType = "binary/octet-stream";
url_request.method = URLRequestMethod.POST;
url_request.data = byteArray;
url_request.requestHeaders.push(header);
var loader : URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, loaderCompleteHandler, false, 0, true);
loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler, false, 0, true);
loader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler, false, 0, true);
loader.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler, false, 0, true);
loader.load(url_request);
将loader.dataFormat设置为URLLoaderDataFormat.BINARY、TEXT、VARIABLES是针对您在事件中获得的响应数据。COMPLETE我不知道
actionscript
及其API,但我可以告诉您:actionscript
中的内存ByteArray
与字节[]Java
中的
。您不应该更好地使用urloaderdataformat.BINARY吗?它有什么变化吗?我之所以使用这种结构,是因为我在这个示例中看到:我使用了URLLoaderDataFormat.BINARY,但它不起作用。Thanks我认为这是SpringMVC的问题,因为当我使用GET而不是POST时,我收到了参数。但我不确定这是否正确。知道吗?我现在的问题是,我在服务器上从哪里接收这些数据。这是我的方法:@RequestMapping(value=“/”,method=RequestMethod.POST)公共字符串getSpeechRecognition(@RequestBody byte[]body){}。但是,我发送的数据与接收的数据不同。