java-http请求，客户端发送参数，服务端获取参数

原创

于 2019-07-10 15:06:07 发布 · 898 阅读

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CC 4.0 BY-SA版权

文章标签：

#java #http #参数 #http请求

公共类

**//http请求**
public static String getHttpJsonByParam(String apiUrl, Map<String, Object> params) {
		CloseableHttpClient httpClient = HttpClients.createDefault();
		HttpPost httpPost = new HttpPost(apiUrl);
		httpPost.setHeader("Content-Type", "application/json");
		CloseableHttpResponse response = null;
		String httpStr = null;
		try {
			List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
			for (Map.Entry<String, Object> entry : params.entrySet()) {
				NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry.getValue().toString());
				pairList.add(pair);
			}
			httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
			response = httpClient.execute(httpPost);
			int statusCode = response.getStatusLine().getStatusCode();
			if (statusCode != HttpStatus.SC_OK) {
				return null;
			}
			HttpEntity entity = response.getEntity();
			if (entity == null) {
				retur