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public class DoPost {    public JSONObject GetOrder(String url,JSONObject jsonObject){        String url2 =  url;        String result = "";        JSONObject resJson = new JSONObject();        CloseableHttpClient httpClient = HttpClients.createDefault();        HttpPost post = new HttpPost(url2);        StringEntity entity = new StringEntity(jsonObject.toString(), "utf-8");//解决中文乱码问题        entity.setContentEncoding("UTF-8");        entity.setContentType("application/json");//设置文档类型        post.setEntity(entity);        try {            HttpResponse resultResponse = httpClient.execute(post);            if (resultResponse.getStatusLine().getStatusCode() == 200) {                String resData = EntityUtils.toString(resultResponse.getEntity());                resJson = JSON.parseObject(resData);            } else                post.abort();        } catch (ClientProtocolException e) {            e.printStackTrace();            result = e.getMessage().toString();        } catch (IOException e) {            e.printStackTrace();            result = e.getMessage().toString();        }        return resJson;    }

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