使用Apache HttpClient v.4.x的* HTTP POST请求示例 *
HttpClient httpClient = HttpClients.createDefault();HttpPost httpPost = new HttpPost(url);MultipartEntityBuilder builder = MultipartEntityBuilder.create();builder.addTextBody("param1", param1Value, ContentType.TEXT_PLAIN);builder.addTextBody("param2", param2Value, ContentType.TEXT_PLAIN);HttpEntity multipart = builder.build();httpPost.setEntity(multipart);HttpResponse response = httpClient.execute(httpMethod);


