SpringBoot@PostMapping接收HTTP请求的流数据问题

@PostMapping("/test")
public String pushMessage(@RequestBody byte[] data) throws Exception {
    String json = URLDecoder.decode(new String(data, DEFAULT_CHARSET), DEFAULT_CHARSET);
    log.info(">>> 接收CP推送的消息：{}", json);
 
    JSONObject jsonObject = JacksonUtils.jsonToBean(json, JSONObject.class);
    System.out.println(jsonObject.get("key"));
    return “success”
}

try {
    //创建连接
    URL url = new URL(ADD_URL);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);
    connection.setDoInput(true);
    connection.setRequestMethod("POST");
    connection.setUseCaches(false);
    connection.setInstanceFollowRedirects(true);
    //application/x-javascript 
    //text/xml->xml数据 
    //application/x-javascript->json对象 
    //application/x-www-form-urlencoded->表单数据 
    //application/json;charset=utf-8 -> json数据
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    connection.setRequestProperty("accept", "*
	@AliasFor(annotation = RequestMapping.class)
	String name() default "";

	
	@AliasFor(annotation = RequestMapping.class)
	String[] value() default {};

	
	@AliasFor(annotation = RequestMapping.class)
	String[] path() default {};

	
	@AliasFor(annotation = RequestMapping.class)
	String[] params() default {};

	
	@AliasFor(annotation = RequestMapping.class)
	String[] headers() default {};

	
	@AliasFor(annotation = RequestMapping.class)
	String[] consumes() default {};

	
	@AliasFor(annotation = RequestMapping.class)
	String[] produces() default {};

}