Android通过http协议POST传输方式
2011-08-11 20:09
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Android通过http协议POST传输方式 http://chunpeng.iteye.com/blog/631972 Android通过http协议POST传输方式如下: 方式一:HttpPost(import org.apache.http.client.methods.HttpPost) 代码如下: private Button button1,button2,button3; private TextView textView1; button1.setOnClickListener(new Button.OnClickListener(){ @Override public void onClick(View arg0) { // TODO Auto-generated method stub //URLַ // String uriAPI = "http://www.dubblogs.cc:8751/Android/Test/API/Post/index.php"; String uriAPI = "http://172.20.0.206:8082//TestServelt/login.do"; /*建立HTTP Post连线*/ HttpPost httpRequest =new HttpPost(uriAPI); //Post运作传送变数必须用NameValuePair[]阵列储存 //传参数 服务端获取的方法为request.getParameter("name") List <NameValuePair> params=new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("name","this is post")); try{ //发出HTTP request httpRequest.setEntity(new UrlEncodedFormEntity(params,HTTP.UTF_8)); //取得HTTP response HttpResponse httpResponse=new DefaultHttpClient().execute(httpRequest); //若状态码为200 ok if(httpResponse.getStatusLine().getStatusCode()==200){ //取出回应字串 String strResult=EntityUtils.toString(httpResponse.getEntity()); textView1.setText(strResult); }else{ textView1.setText("Error Response"+httpResponse.getStatusLine().toString()); } }catch(ClientProtocolException e){ textView1.setText(e.getMessage().toString()); e.printStackTrace(); } catch (UnsupportedEncodingException e) { textView1.setText(e.getMessage().toString()); e.printStackTrace(); } catch (IOException e) { textView1.setText(e.getMessage().toString()); e.printStackTrace(); } } }); 方式二:HttpURLConnection、URL(import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;) private void httpUrlConnection(){ try{ String pathUrl = "http://172.20.0.206:8082/TestServelt/login.do"; //建立连接 URL url=new URL(pathUrl); HttpURLConnection httpConn=(HttpURLConnection)url.openConnection(); ////设置连接属性 httpConn.setDoOutput(true);//使用 URL 连接进行输出 httpConn.setDoInput(true);//使用 URL 连接进行输入 httpConn.setUseCaches(false);//忽略缓存 httpConn.setRequestMethod("POST");//设置URL请求方法 String requestString = "客服端要以以流方式发送到服务端的数据..."; //设置请求属性 //获得数据字节数据,请求数据流的编码,必须和下面服务器端处理请求流的编码一致 byte[] requestStringBytes = requestString.getBytes(ENCODING_UTF_8); httpConn.setRequestProperty("Content-length", "" + requestStringBytes.length); httpConn.setRequestProperty("Content-Type", "application/octet-stream"); httpConn.setRequestProperty("Connection", "Keep-Alive");// 维持长连接 httpConn.setRequestProperty("Charset", "UTF-8"); // String name=URLEncoder.encode("黄武艺","utf-8"); httpConn.setRequestProperty("NAME", name); //建立输出流,并写入数据 OutputStream outputStream = httpConn.getOutputStream(); outputStream.write(requestStringBytes); outputStream.close(); //获得响应状态 int responseCode = httpConn.getResponseCode(); if(HttpURLConnection.HTTP_OK == responseCode){//连接成功 //当正确响应时处理数据 StringBuffer sb = new StringBuffer(); String readLine; BufferedReader responseReader; //处理响应流,必须与服务器响应流输出的编码一致 responseReader = new BufferedReader(new InputStreamReader(httpConn.getInputStream(), ENCODING_UTF_8)); while ((readLine = responseReader.readLine()) != null) { sb.append(readLine).append("\n"); } responseReader.close(); tv.setText(sb.toString()); } }catch(Exception ex){ ex.printStackTrace(); } }
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