Java模拟HTTP/POST方式请求接口：
java模拟http/post方式请求接口方法主体：
public String sendPost(JSONObject json, String url){String result = "";HttpPost post = new HttpPost(url);try{CloseableHttpClient httpClient = HttpClients.createDefault();post.setHeader("Content-Type","application/json;charset=utf-8");post.addHeader("Authorization", "Basic YWRtaW46");StringEntity postingString = new StringEntity(json.toString(),"utf-8");post.setEntity(postingString);HttpResponse response = httpClient.execute(post);InputStream in = response.getEntity().getContent();BufferedReader br = new BufferedReader(new InputStreamReader(in, "utf-8"));StringBuilder strber= new StringBuilder();String line = null;while((line = br.readLine())!=null){strber.append(line+'\n');}br.close();in.close();result = strber.toString();if(response.getStatusLine().getStatusCode()!= HttpStatus.SC_OK){result = "服务器异常";}} catch (Exception e){System.out.println("请求异常");throw new RuntimeException(e);} finally{post.abort();}return result;}
接口调用方法：
public String sendPostTest() {JSONObject jsonObject = new JSONObject();//添加参数，参数为JSON格式jsonObject.put("namecode", "zhouxf4110");String url = "http://localhost/***/userMassage/queryUserByList";//调用接口，返回字符串,返回值自行处理String str = sendPost(jsonObject, url);System.out.println(str);return str;}
pom文件配置：
<dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpcore</artifactId><version>4.4.10</version></dependency><!-- /artifact/org.apache.httpcomponents/httpclient --><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>4.5.6</version></dependency>
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