java中HttpsPost和CloseableHttpClient如何使用
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//请求json public static String HttpsPost(String url, Mapparam) throws Exception{ String respContent =""; String restServiceURL = url; System.out.println(restServiceURL); CloseableHttpClient client = HttpClients.createDefault(); //设置传入参数 StringEntity entity = new StringEntity(JSONObject.toJSONString(param), "utf-8"); HttpPost httpGet = new HttpPost(restServiceURL); httpGet.addHeader("Content-Type","application/json;charset=UTF-8"); httpGet.setEntity(entity); HttpResponse resp = client.execute(httpGet); int statusCode = resp.getStatusLine().getStatusCode(); if ( 200==statusCode ) { HttpEntity he = resp.getEntity(); respContent = EntityUtils.toString(he, "utf-8"); }else { log.error("请求第三方异常,状态码{},地址{}",statusCode,url); } return respContent; }
/** * http请求 application/x-www-form-urlencoded */ public static String HttpsPostXw(String url, Mapparam) throws Exception{ String respContent =""; String restServiceURL = url; CloseableHttpClient client = HttpClients.createDefault(); //设置传入参数 HttpPost httpGet = new HttpPost(restServiceURL); httpGet.setHeader("Content-type", "application/x-www-form-urlencoded"); List nvps = new ArrayList (); if(param!=null){ for (Map.Entry entry : param.entrySet()) { nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue())); } } //设置参数到请求对象中 httpGet.setEntity(new UrlEncodedFormEntity(nvps, "utf-8")); //装填参数 if(param!=null){ for (Map.Entry entry : param.entrySet()) { httpGet.setHeader(entry.getKey(),entry.getValue()); } } HttpResponse resp = client.execute(httpGet); int statusCode = resp.getStatusLine().getStatusCode(); if ( 200==statusCode ) { HttpEntity he = resp.getEntity(); respContent = EntityUtils.toString(he, "utf-8"); }else { log.error("请求第三方异常,状态码{},地址{}",statusCode,url); } return respContent; }
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