调取第三方接口的post及get方法

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原创最新推荐文章于 2026-07-30 14:06:17 发布 424 阅读 AI 写同款· GEO 优化 ›

通过GET/POST方式获取第三方接口的数据前言遇到一个项目，需要通过API去获取数据，API接口的调用方式支持GET和POST。一开始不同这个API具体是个啥，是需要我们自己设计还是说用户给定，后续搜索明确是用户自定义提供API接口，开发人员只需要获取到API的url及调用这个API所需要的必要参数，然后分别以GET/POST方式连接API，通过API获取数据返回即可。这块对我来讲是个新知识点和新的处理方式，所以进行简单记录。参考... 阅读详情

/**
	 * 向server端发送请求，并获取返回参数
	 * 
	 * @param actionUrl
	 * @param method
	 * @param param
	 * @return
	 */
	public static String sendPostRequest(String serverUrl, String param) {
		logger.debug("+++++++++++++++sendPostRequest方法开始!+++++++++++++++++++");
		StringBuffer sb = new StringBuffer();
		String output = "";
		try {
			URL url = new URL(serverUrl);
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setDoOutput(true);
			conn.setRequestMethod("POST");
			conn.setRequestProperty("Charset", "utf-8");
			conn.setRequestProperty("Content-Type", "application/json");
			
			//解决乱码代码
			conn.setRequestProperty("Accept-Charset", "utf-8");
			conn.setRequestProperty("contentType", "utf-8");
			
			if (param != null) {
				OutputStream os = conn.getOutputStream();
				os.write(param.getBytes("utf-8"));
				os.flush();
			}
			BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
			while ((output = br.readLine()) != null) {
				sb.append(output);
			}
			conn.disconnect();
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		return String.valueOf(sb);
	}
	
	/**
	 * 向server端发送请求，并获取返回参数
	 * 
	 * @param actionUrl
	 * @param method
	 * @param param
	 * @return
	 * @throws UnsupportedEncodingException 
	 */
	public static  String sendGetRequest(String targetURL) throws UnsupportedEncodingException{
		logger.debug("+++++++++++++++sendGetRequest方法开始!+++++++++++++++++++");
		String output = "";
		String outStr = "";
		try {
			URL restServiceURL = new URL(targetURL);
			HttpURLConnection httpConnection = (HttpURLConnection) restServiceURL.openConnection();
			httpConnection.setRequestMethod("GET");
			httpConnection.setRequestProperty("Charset", "utf-8");
			httpConnection.setRequestProperty("Content-Type", "application/json");
			
			//解决乱码代码
			httpConnection.setRequestProperty("Accept-Charset", "utf-8");
			httpConnection.setRequestProperty("Accept-Encoding", "utf-8");
			
			if (httpConnection.getResponseCode() != 200) {
				throw new RuntimeException("HTTP GET Request Failed with Error code : " + httpConnection.getResponseCode());
			}
			BufferedReader responseBuffer = new BufferedReader(new InputStreamReader(httpConnection.getInputStream(), "utf-8"));
			while ((output = responseBuffer.readLine()) != null) {
				outStr = outStr + output;
			}
			httpConnection.disconnect();
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (IOException e) {
			logger.error("io Exception:see code");
			e.printStackTrace();
		}
		return outStr;
	}