安卓如何訪問(wèn)云服務(wù)器地址？使用安卓程序連接到云服務(wù)器，用httpClient或者okhttp 原理都是一樣，發(fā)起http請(qǐng)求傳遞數(shù)據(jù)，解析結(jié)果。這里我們根據(jù)百度知道網(wǎng)友的介紹，舉例一下 httpClient 的用法：

1. GET 方式傳遞參數(shù)

//先將參數(shù)放入List，再對(duì)參數(shù)進(jìn)行URL編碼

List<BasicNameValuePair> params = new LinkedList<BasicNameValuePair>();

params.add(new BasicNameValuePair(“param1”, “數(shù)據(jù)”)); // 增加參數(shù)1

params.add(new BasicNameValuePair(“param2”, “value2”));// 增加參數(shù)2

String param = URLEncodedUtils.format(params, “UTF-8”);// 對(duì)參數(shù)編碼

String baseUrl = “服務(wù)器接口完整URL”;

HttpGet getMethod = new HttpGet(baseUrl + “?” + param);// 將URL與參數(shù)拼接

HttpClient httpClient = new DefaultHttpClient();

try {HttpResponse response = httpClient.execute(getMethod); // 發(fā)起GET請(qǐng)求

Log.i(TAG, “resCode = ” + response.getStatusLine().getStatusCode()); // 獲取響應(yīng)碼

Log.i(TAG, “result = ” + EntityUtils.toString(response.getEntity(), “utf-8”));// 獲取服務(wù)器響應(yīng)內(nèi)容

} catch (ClientProtocolException e) {e.printStackTrace();} catch (IOException e)

{e.printStackTrace();}

2. POST方式 方式傳遞參數(shù)

//和GET方式一樣，先將參數(shù)放入List

params = new LinkedList<BasicNameValuePair>();

params.add(new BasicNameValuePair(“param1”, “Post方法”));// 增加參數(shù)1

params.add(new BasicNameValuePair(“param2”, “第二個(gè)參數(shù)”));// 增加參數(shù)2

try {HttpPost postMethod = new HttpPost(baseUrl);// 創(chuàng)建一個(gè)post請(qǐng)求

postMethod.setEntity(new UrlEncodedFormEntity(params, “utf-8”)); // 將參數(shù)填入POST Entity中

HttpResponse response = httpClient.execute(postMethod); //執(zhí)行POST方法

Log.i(TAG, “resCode = ” + response.getStatusLine().getStatusCode()); // 獲取響應(yīng)碼

Log.i(TAG, “result = ” + EntityUtils.toString(response.getEntity(), “utf-8”)); // 獲取響應(yīng)內(nèi)容

} catch (UnsupportedEncodingException e) {e.printStackTrace();

} catch (ClientProtocolException e) {e.printStackTrace();}

catch (IOException e) {e.printStackTrace();}

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