httpclient提交json参数

private void httpReqUrl(List<HongGuTan> list, String url)
			throws ClientProtocolException, IOException {

		logger.info("httpclient执行新闻资讯接口开始。");
		JSONObject json = new JSONObject();
		DefaultHttpClient httpClient = new DefaultHttpClient();

		HttpPost method = new HttpPost(url);

		// 设置代理
		if (IS_NEED_PROXY.equals("1")) {
			HttpHost proxy = new HttpHost("192.168.13.19", 7777);
			httpClient.getParams().setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
		}

		if (list != null && list.size() > 0) {
			logger.info("循环处理数据列表大小list.size={}", list != null ? list.size() : 0);

			// 开始循环组装post请求参数,使用倒序进行处理
			for (int i = list.size() - 1; i >= 0; i--) {
				HongGuTan bean = list.get(i);
				if (bean == null) {
					continue;
				}
				// 验证参数
				Object[] objs = { bean.getTitle(), bean.getContent(),
						bean.getSourceUrl(), bean.getSourceFrom(),
						bean.getImgUrls() };
				if (!validateData(objs)) {
					logger.info("参数验证有误。");
					continue;
				}
				// 接收参数json列表
				JSONObject jsonParam = new JSONObject();
				jsonParam.put("chnl_id", "11");// 红谷滩新闻资讯，channelId 77
				jsonParam.put("title", bean.getTitle());// 标题
				jsonParam.put("content", bean.getContent());// 资讯内容
				jsonParam.put("source_url", bean.getSourceUrl());// 资讯源地址
				jsonParam.put("source_name", bean.getSourceFrom());// 来源网站名称
				jsonParam.put("img_urls", bean.getImgUrls());// 采用 url,url,url 的格式进行图片的返回
				
				StringEntity entity = new StringEntity(jsonParam.toString(),"utf-8");//解决中文乱码问题  
				entity.setContentEncoding("UTF-8");  
				entity.setContentType("application/json");  
				method.setEntity(entity);  
				
				//这边使用适用正常的表单提交 

//				 List<BasicNameValuePair> pairList = new ArrayList<BasicNameValuePair>();  
				//pairList.add(new BasicNameValuePair("chnl_id", "11")); 
				//pairList.add(new BasicNameValuePair("title", bean.getTitle()));// 标题  
				//pairList.add(new BasicNameValuePair("content", bean.getContent()));// 资讯内容  
				//pairList.add(new BasicNameValuePair("source_url", bean.getSourceUrl()));// 资讯源地址  
				//pairList.add(new BasicNameValuePair("source_name", bean.getSourceFrom()));// 来源网站名称  
				//pairList.add(new BasicNameValuePair("img_urls", bean.getImgUrls()));// 采用 url,url,url 的格式进行图片的返回  
				//method.setEntity(new UrlEncodedFormEntity(pairList, "utf-8")); 
				
	            
				HttpResponse result = httpClient.execute(method);

				// 请求结束，返回结果
				String resData = EntityUtils.toString(result.getEntity());
				JSONObject resJson = json.parseObject(resData);
				String code = resJson.get("result_code").toString(); // 对方接口请求返回结果：0成功  1失败
				logger.info("请求返回结果集{'code':" + code + ",'desc':'" + resJson.get("result_desc").toString() + "'}");

				if (!StringUtils.isBlank(code) && code.trim().equals("0")) {// 成功
					logger.info("业务处理成功！");
				} else {
					logger.error("业务处理异常");
					Constants.dateMap.put("lastMaxId", bean.getId());
					break;
				}
			}
		}
	}