获取request中json数据

* @param request * @return * @throws IOException */ public static byte[] getRequestPostBytes(HttpServletRequest request) throws IOException { int contentLength = request.getContentLength(); if(contentLength<0){ return null; } byte buffer[] = new byte[contentLength]; for (int i = 0; i < contentLength;) { int readlen = request.getInputStream().read(buffer, i, contentLength - i); if (readlen == -1) { break; } i += readlen; } return buffer; } /** * 描述:获取 post 请求内容 * * @param request * @return * @throws IOException */ public static String getRequestPostStr(HttpServletRequest request) throws IOException { byte buffer[] = getRequestPostBytes(request); String charEncoding = request.getCharacterEncoding(); if (charEncoding == null) { charEncoding = "UTF-8"; } return new String(buffer, charEncoding); } }

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