java 获取 HttpServletRequest 值 demo

     private void getHttpServletRequestInfo(HttpServletRequest request){         try {
             StringBuilder stringBuilder = new StringBuilder();
             stringBuilder.append("--------------------------reqHeadInfos---------------------------------");
             Enumeration<String> reqHeadInfos = request.getHeaderNames();
             while (reqHeadInfos.hasMoreElements()) {
                 String headName = (String) reqHeadInfos.nextElement();
                 String headValue = request.getHeader(headName);//根据请求头的名字获取对应的请求头的值
                 stringBuilder.append(headName).append(":").append(headValue).append(";");
             }             stringBuilder.append("\\n--------------------------parameterNames---------------------------------\\n");
             Enumeration<String> parameterNames = request.getParameterNames();
             while (parameterNames.hasMoreElements()) {
                 String parameterName = (String) parameterNames.nextElement();
                 String parameterValue = request.getParameter(parameterName);//根据请求头的名字获取对应的请求头的值
                 stringBuilder.append(parameterName).append(":").append(parameterValue).append(";");
             }
             stringBuilder.append("\\n--------------------------body---------------------------------\\n");
             BufferedReader reader = new BufferedReader(new InputStreamReader(request.getInputStream()));
             String body = reader.readLine();
             stringBuilder.append("body:").append(body).append(";");             stringBuilder.append("\\n--------------------------Session---------------------------------\\n");
             HttpSession httpSession = request.getSession();
             stringBuilder.append("SessionID:").append(httpSession.getId()).append(";");
             Enumeration<String> attributeNames =  httpSession.getAttributeNames();
             while (attributeNames.hasMoreElements()) {
                 String parameterName = (String) attributeNames.nextElement();
                 Object parameterValue = httpSession.getAttribute(parameterName);//根据请求头的名字获取对应的请求头的值
                 stringBuilder.append(parameterName).append(":").append(parameterValue.toString()).append(";");
             }
             stringBuilder.append("\\n--------------------------Cookie---------------------------------\\n");
             Cookie[] cookies = request.getCookies();
             if(cookies != null){
                 for (Cookie cookie : cookies) {
                     String cookieName = cookie.getName();
                     String cookieValue = cookie.getValue();//根据Cookie的名字获取对应的请求头的值
                     stringBuilder.append(cookieName).append(":").append(cookieValue).append(";");
                 }
             }             stringBuilder.append("\\n----------------------------other-------------------------------\\n");
             stringBuilder.append("characterEncoding:").append(request.getCharacterEncoding()).append(";");
             stringBuilder.append("getContentLength:").append(request.getContentLength()).append(";");
             stringBuilder.append("getContentType:").append(request.getContentType()).append(";");
             stringBuilder.append("getAuthType:").append(request.getAuthType()).append(";");
             stringBuilder.append("getMethod:").append(request.getMethod()).append(";");             stringBuilder.append("isRequestedSessionIdValid:").append(request.isRequestedSessionIdValid()).append(";");
             stringBuilder.append("isRequestedSessionIdFromCookie:").append(request.isRequestedSessionIdFromCookie()).append(";");
             stringBuilder.append("isRequestedSessionIdFromURL:").append(request.isRequestedSessionIdFromURL()).append(";");             Log.info("getHttpServletRequestInfo",stringBuilder.toString());         } catch (Exception e) {
             Log.error("getHttpServletRequestInfo", e);
         }
     }