Android HTTP POST上传
HTTP POST上傳通用方法,支持文字、圖片、文件等。
依賴jar包下載地址:http://hc.apache.org/downloads.cgi?下載HttpClient ***?? Binary。
將HttpComponents libraries中的httpmime-4.3.3.jar拷貝到Android工程的libs下即可。
?
//填充上傳實(shí)體對(duì)象MultipartEntity entity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);
entity.addPart("String", new StringBody(“String”, Charset.forName("UTF-8"))); entity.addPart("File", new FileBody(new File(“path”)));//調(diào)用post方法上傳
HttpTools.post("url", entity)//Http上傳通用方法類
public class HttpTools {public static final int HTTP_SUCCESS = 200; private static String response_string = null;private static JSONObject response_json = null;
......
...... public static boolean post(String url, MultipartEntity entity) {try {HttpClient httpClient = new DefaultHttpClient();HttpContext localContext = new BasicHttpContext();HttpPost httpPost = new HttpPost(SERVER_ADDR + url);httpPost.setEntity(entity);HttpResponse response = httpClient.execute(httpPost, localContext);if (response.getStatusLine().getStatusCode() == HTTP_SUCCESS) {response_string = EntityUtils.toString(response.getEntity());response_json = new JSONObject(response_string);return true;}} catch (ClientProtocolException e) {// TODO Auto-generated catch block e.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch block e.printStackTrace();} catch (JSONException e) {// TODO Auto-generated catch block e.printStackTrace();}return false;}......
...... }
關(guān)于上傳文字亂碼的情況說(shuō)明:
之前沒有設(shè)置文字編碼
entity.addPart("String", new StringBody(“String”));
直接上傳文字就會(huì)亂碼。
在Android開發(fā)中,以HttpPost方式向服務(wù)器上提交中文數(shù)據(jù)時(shí),如果沒有設(shè)置傳輸數(shù)據(jù)的編碼類型,在服務(wù)端獲取到的數(shù)據(jù)就會(huì)出現(xiàn)亂碼。在涉及不同平臺(tái)上的應(yīng)用,我們盡量使用UTF-8編碼格式傳輸中文數(shù)據(jù),HttpPost方式傳輸中文指定編碼可以參考以下方法:
entity.addPart("String", new StringBody(“String”, Charset.forName("UTF-8")));
轉(zhuǎn)載于:https://www.cnblogs.com/x-dev/p/3753738.html
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