HttpServletRequest 获取请求参数

    /**
     * 测试获取request参数POST
     *
     * @param saveSignatureDTO 传参
     * @author Tansj
     * @since 2021/08/26
     */
    @Override
    public Map<String, String> testHttpServletRequest2(SaveSignatureDTO saveSignatureDTO, HttpServletRequest request) {
        Map<String, String> result = new HashMap<>(16);
        log.info("请求方式GET/POST等:============={}", request.getMethod());
        log.info("getRequestURL:============={}", request.getRequestURL());
        // 获取URL的传参
        Enumeration<String> params = request.getParameterNames();
        while (params.hasMoreElements()) {
            String paraName = params.nextElement();
            log.info("paraName:============={}", paraName);
            String[] paraValues = request.getParameterValues(paraName);
            log.info("paraValues:============={}", paraValues);
            result.put(paraName, paraValues.length == 1 ? paraValues[0] : paraValues[paraValues.length - 1]);
        }
        // 获取body的传参
        Map<String, String> map = new HashMap<>(16);
        try {
            String reader = getAllRequestParam2(request);
            log.info("reader:============={}", reader);
            map = JSONObject.parseObject(reader, Map.class);
            log.info("map:============={}", map);
        } catch (IOException e) {
            e.printStackTrace();
        }
        result.putAll(map);
        log.info("result:============={}", result);
        SortedMap<String, String> sort = new TreeMap<>(result);
        log.info("sort:============={}", sort);
        return sort;
    }

    public static Map<String, String> getAllRequestParam(HttpServletRequest request) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(request.getInputStream()));
        String str = "";
        StringBuilder wholeStr = new StringBuilder();
        //一行一行的读取body体里面的内容；
        while ((str = reader.readLine()) != null) {
            wholeStr.append(str);
        }
        if(wholeStr.toString().startsWith("[")){
            Map<String, String> map = new HashMap<>();
            map.put("arrayString", wholeStr.toString());
            return map;
        }else {
            //转化成json对象
            return JSONObject.parseObject(wholeStr.toString(), Map.class, Feature.OrderedField);
        }
    }

    public static String getAllRequestParam2(HttpServletRequest request) throws IOException {
        BufferedReader br = request.getReader();
        String str;
        StringBuilder wholeStr = new StringBuilder();
        while((str = br.readLine()) != null){
            wholeStr.append(str);
        }
        return wholeStr.toString();
    }

URL传参
http://localhost:28892/repair/collect/testHttpServletRequest2?sign=B3CB08A44B0B718BD7A7B371E488853D&timestamp=1629967927
@RequestBody 传参
{ "billType": "RV", "billNo": "RV2108270001", "billNo1": "RV2108270001", "billNo2": "RV2108270001", "aa": [ { "name": "zs", "age": 15 }, { "name": "ls", "age": 11 } ], "fileAddress": "http://localhost:28892/repair" }

CollectionServiceImpl:653] - 请求方式GET/POST等:=============POST
CollectionServiceImpl:654] - getRequestURL:=============http://localhost:28892/repair/collect/testHttpServletRequest2
CollectionServiceImpl:659] - paraName:=============sign
CollectionServiceImpl:661] - paraValues:=============B3CB08A44B0B718BD7A7B371E488853D
CollectionServiceImpl:659] - paraName:=============timestamp
CollectionServiceImpl:661] - paraValues:=============1629967927
CollectionServiceImpl:669] - reader:============={    "billType": "RV",    "billNo": "RV2108270001",    "billNo1": "RV2108270001",    "billNo2": "RV2108270001",    "aa": [        {            "name": "zs",            "age": 15        },        {            "name": "ls",            "age": 11        }    ],    "fileAddress": "http://localhost:28892/repair"}
CollectionServiceImpl:671] - map:============={aa=[{"name":"zs","age":15},{"name":"ls","age":11}], billType=RV, billNo2=RV2108270001, billNo1=RV2108270001, fileAddress=http://localhost:28892/repair, billNo=RV2108270001}
CollectionServiceImpl:676] - result:============={aa=[{"name":"zs","age":15},{"name":"ls","age":11}], billType=RV, sign=B3CB08A44B0B718BD7A7B371E488853D, billNo2=RV2108270001, billNo1=RV2108270001, fileAddress=http://localhost:28892/repair, billNo=RV2108270001, timestamp=1629967927}
CollectionServiceImpl:678] - sort:============={aa=[{"name":"zs","age":15},{"name":"ls","age":11}], billNo=RV2108270001, billNo1=RV2108270001, billNo2=RV2108270001, billType=RV, fileAddress=http://localhost:28892/repair, sign=B3CB08A44B0B718BD7A7B371E488853D, timestamp=1629967927}