android 的android httpClient详解

Android HttpClient是Android平台提供的一个HTTP请求客户端，使用它可以方便地发送HTTP请求并获得请求的响应。下面是Android HttpClient的详细解释：

1. 创建HttpClient对象：

HttpClient httpClient = new DefaultHttpClient(); 

2. 创建请求方法：

HttpGet httpGet = new HttpGet(url);  // 创建GET请求 HttpPost httpPost = new HttpPost(url);  // 创建POST请求 

3. 设置请求参数：

List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("param1", "value1")); httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8")); 

4. 发送请求并获取响应：

HttpResponse httpResponse = httpClient.execute(httpGet);  // 发送GET请求 HttpResponse httpResponse = httpClient.execute(httpPost);  // 发送POST请求 

5. 处理响应：

int statusCode = httpResponse.getStatusLine().getStatusCode();  // 获取响应状态码 if (statusCode == HttpStatus.SC_OK) { HttpEntity httpEntity = httpResponse.getEntity();  // 获取响应实体 String response = EntityUtils.toString(httpEntity);  // 将实体转换为字符串 // 处理响应数据 } else { // 处理错误情况 } 

注意：Android HttpClient已被标记为过时，推荐使用HttpURLConnection或OkHttp来替代。