request to parse the json parameters and values in the body

 public R proxy(HttpServletRequest request) {
        if (!request.getContentType().toLowerCase().equals(CONTENTTYPE)) {
            return R.error (101, "Please use application / json parameter");
        }
        Map requestMap = new HashMap<>();
        try {
            BufferedReader bufferedReader = new BufferedReader(new                                   
            InputStreamReader(request.getInputStream()));
            String bodyStr = IOUtils.read(bufferedReader);
            Gson gson = new Gson();
            requestMap = gson.fromJson(bodyStr, requestMap.getClass());
            log.info("requestMap:{}", requestMap.toString());
        } catch (Exception e) {
                         log.error ("Failed to parse request body parameters: {}", e.getMessage ());
                         return R.error (101, "Failed to parse request parameter");
        }
}

The dubbo package of alibaba needs to be introduced

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>dubbo</artifactId>
    <version>2.6.4</version>
</dependency>

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