- /**
- * Http工具类
- */
- public class HttpUtil {
- // 创建HttpClient对象
- public static HttpClient httpClient = new DefaultHttpClient();
- public static final String BASE_URL = "";
- /**
- * get请求
- *
- * @param url
- * 发送请求的URL
- * @return 服务器响应字符串
- * @throws Exception
- */
- public static String doGet(String url) throws Exception {
- // 创建HttpGet对象。
- HttpGet get = new HttpGet(url);
- // 发送GET请求
- HttpResponse httpResponse = httpClient.execute(get);
- // 如果服务器成功地返回响应
- if (httpResponse.getStatusLine().getStatusCode() == 200) {
- // 获取服务器响应字符串
- HttpEntity entity = httpResponse.getEntity();
- InputStream content = entity.getContent();
- return convertStreamToString(content);
- }
- return null;
- }
- /**
- * post请求
- *
- * @param url
- * 发送请求的URL
- * @param params
- * 请求参数
- * @return 服务器响应字符串
- * @throws Exception
- */
- public static String doPost(String url, Map<String, String> rawParams)
- throws Exception {
- // 创建HttpPost对象。
- HttpPost post = new HttpPost(url);
- // 如果传递参数个数比较多的话可以对传递的参数进行封装
- List<NameValuePair> params = new ArrayList<NameValuePair>();
- for (String key : rawParams.keySet()) {
- // 封装请求参数
- params.add(new BasicNameValuePair(key, rawParams.get(key)));
- }
- // 设置请求参数
- post.setEntity(new UrlEncodedFormEntity(params, "utf-8"));
- // 发送POST请求
- HttpResponse httpResponse = httpClient.execute(post);
- // 如果服务器成功地返回响应
- if (httpResponse.getStatusLine().getStatusCode() == 200) {
- // 获取服务器响应字符串
- HttpEntity entity = httpResponse.getEntity();
- InputStream content = entity.getContent();
- return convertStreamToString(content);
- }
- return null;
- }
- /**
- * 获取服务器的响应,转换为字符串
- */
- private static String convertStreamToString(InputStream is) {
- BufferedReader reader = new BufferedReader(new InputStreamReader(is));
- StringBuilder sb = new StringBuilder();
- String line = null;
- try {
- while ((line = reader.readLine()) != null) {
- sb.append(line);
- }
- } catch (IOException e) {
- e.printStackTrace();
- } finally {
- try {
- is.close();
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- return sb.toString();
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/2511201411044.html
来源: http://www.codesnippet.cn/detail/2511201411044.html