Java 基于HttpClient和fluent-hc发送POST请求

原创
2017/07/26 11:58
阅读数 4K

1、使用HttpClient

    <dependency>
		<groupId>org.apache.httpcomponents</groupId>
		<artifactId>httpclient</artifactId>
		<version>4.5</version>
	</dependency>
	    String url = "http://xxx/dlmp/logview/addLogViewAPI.htm";
	    Map<String, String> params = Maps.newHashMap();
	    params.put("xxx", "xxx");
	    params.put("xxx", "xxx");
	    System.out.println(JSON.toJSONString(params));

         RequestConfig defaultRequestConfig = RequestConfig.custom().setConnectTimeout(3000).setSocketTimeout(3000).setConnectionRequestTimeout(3000).build();
		 CloseableHttpClient httpclient = HttpClients.custom().setRetryHandler(new DefaultHttpRequestRetryHandler(0,false)).build();
		 httpclient = HttpClients.custom().setRetryHandler(new DefaultHttpRequestRetryHandler(0,false)).build();
		 HttpPost httpPost = new HttpPost(url);
		 httpPost.setConfig(defaultRequestConfig);
		 StringEntity entity = new StringEntity(JSON.toJSONString(params),"utf-8");//解决中文乱码问题    
		 entity.setContentEncoding("UTF-8");    
		 entity.setContentType("application/json"); 
		 httpPost.setEntity(entity);

//        表单方式
//        List<BasicNameValuePair> pairList = new ArrayList<BasicNameValuePair>(); 
//        pairList.add(new BasicNameValuePair("name", "admin"));
//        pairList.add(new BasicNameValuePair("pass", "123456"));
//        httpPost.setEntity(new UrlEncodedFormEntity(pairList, "utf-8"));  

		 CloseableHttpResponse response = httpclient.execute(httpPost);
		 String res = EntityUtils.toString(response.getEntity());
		
		System.out.println(res);

2、使用轻量级的fluent-hc包

    <dependency>
		<groupId>org.apache.httpcomponents</groupId>
		<artifactId>httpclient</artifactId>
		<version>4.5</version>
	</dependency>
	<dependency>
		<groupId>org.apache.httpcomponents</groupId>
		<artifactId>fluent-hc</artifactId>
		<version>4.5.2</version>
	</dependency>
	    String url = "http://xxx/dlmp/logview/addLogViewAPI.htm";
	    Map<String, String> params = Maps.newHashMap();
	    params.put("xxx", "xxx");
	    params.put("xxx", "xxx");
	    System.out.println(JSON.toJSONString(params));	    
	    
	    String res = EntityUtils.toString(Request.Post(url).bodyString(JSON.toJSONString(params), ContentType.APPLICATION_JSON).execute().returnResponse().getEntity());
	    System.out.println(res);

 

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