HttpClient 发送get请求并返回Json数据

package com.XXXX.tv.vrs.service;

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.junit.Test;

public class HttpTest {

	public static String getHttpResult(String url) {
		HttpClient httpclient = new DefaultHttpClient();
		HttpGet httpget = new HttpGet(url);
		String json = null;
		try {
			HttpResponse response = httpclient.execute(httpget);
			HttpEntity entity = response.getEntity();
			if (entity != null) {
				json = EntityUtils.toString(entity, "UTF-8").trim();

			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			httpget.abort();
		}
		return json;
	}

	@Test
	public void test() {
		String rs = getHttpResult(
				"http://baike.baidu.com/api/openapi/BaikeLemmaCardApi?scope=103&format=json&appid=379020&bk_key=%E9%93%B6%E9%AD%82&bk_length=600");
		System.out.println(rs);
	}

}