<!-- https://mvnrepository.com/artifact/commons-io/commons-io -->

    <dependency>

        <groupId>commons-io</groupId>

        <artifactId>commons-io</artifactId>

        <version>2.6</version>

    </dependency>

    <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->

    <dependency>

        <groupId>javax.servlet</groupId>

        <artifactId>javax.servlet-api</artifactId>

        <version>3.1.0</version>

        <scope>provided</scope>

    </dependency>

      <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->

    <dependency>

        <groupId>com.alibaba</groupId>

        <artifactId>fastjson</artifactId>

        <version>1.2.50</version>

    </dependency>
      

    /**

     * @author tianwyam

     * @description 从POST请求中获取参数

     * @param request

     * @return

     * @throws Exception

     */

    public static Map<String, Object> getParam4Post(HttpServletRequest request) throws Exception {

        
　　　　　// 返回参数

        Map<String, Object> params = new HashMap<>();

        // 获取内容格式

        String contentType = request.getContentType();

        if (contentType != null && !contentType.equals("")) {

            contentType = contentType.split(";")[0];

        }

        // form表单格式  表单形式可以从 ParameterMap中获取

        if ("appliction/x-www-form-urlencoded".equalsIgnoreCase(contentType)) {

            // 获取参数

            Map<String, String[]> parameterMap = request.getParameterMap();

            if (parameterMap != null) {

                for (Map.Entry<String, String[]> entry : parameterMap.entrySet()) {

                    params.put(entry.getKey(), entry.getValue()[0]);

                }

            }

        }

        // json格式 json格式需要从request的输入流中解析获取

        if ("application/json".equalsIgnoreCase(contentType)) {

            // 使用 commons-io中 IOUtils 类快速获取输入流内容

            String paramJson = IOUtils.toString(request.getInputStream(), "UTF-8");

            Map parseObject = JSON.parseObject(paramJson, Map.class);

            params.putAll(parseObject);

        }

        return params ;

    }