spring-boot获取form-data数据及json数据

最新推荐文章于 2025-05-21 23:25:57 发布

wei55255555

最新推荐文章于 2025-05-21 23:25:57 发布

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本文链接：https://blog.youkuaiyun.com/wei55255555/article/details/80452504

本文介绍了一个用于获取课程信息的RESTful API实现细节。该API通过POST请求接收客户端发送的课程查询参数，并支持根据地区筛选课程。文章展示了如何处理请求头中的城市参数以及如何在请求体缺失电话号码时从请求参数中获取。此外，还提供了获取JSON请求体及参数映射的实用工具类。

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@PostMapping("/")
public ObjectNode getCourses(Request request, @RequestHeader(value = "area") String city) {

    if(StringUtils.isBlank(request.getPhone())){
        Map<String, Object> reqMap = GetParamsUtils.getParamsMap();
        request.setPhone(reqMap.get("phone").toString());
    }
    BusinessWrapper<List<Object>> wrapper = indexService.getCourses(request,city);
    return ApiResponse.buildObjectNode(wrapper);
}

@Slf4j
public class GetParamsUtils {

    public static String jsonReq(HttpServletRequest request) {
        BufferedReader br;
        StringBuilder sb = null;
        String reqBody = null;
        try {
            br = new BufferedReader(new InputStreamReader(request.getInputStream()));
            String line = null;
            sb = new StringBuilder();
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
            br.close();
            if (sb.length() < 1) return "";
            reqBody = URLDecoder.decode(sb.toString(), "UTF-8");
            reqBody = reqBody.substring(reqBody.indexOf("{"));
            return reqBody;
        } catch (IOException e) {
            log.error("获取json参数错误！{}", e.getMessage());
            return "";
        }
    }

    public static Map<String, Object> getParamsMap(HttpServletRequest request) {
        Map<String, Object> paramsMap = new HashMap<>();
        String json = jsonReq(request);
        if (StringUtils.isNotBlank(json)) {
            return JSONObject.parseObject(json, Map.class);
        }
        return paramsMap;
    }

    public static Map<String, Object> getParamsMap() {
        Map<String, Object> paramsMap = new HashMap<>();
        try {
            ServletRequestAttributes sra = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
            HttpServletRequest request = sra.getRequest();
            String json = jsonReq(request);
            if (StringUtils.isNotBlank(json)) {
                return JSONObject.parseObject(json, Map.class);
            }
        } catch (Exception e) {
            log.error("json参数转换错误！{}", e.getMessage());
        }
        return paramsMap;
    }
}