android发送post请求

志不强者智不达，言不信者行不果。这篇文章主要讲述android发送post请求相关的知识，希望能为你提供帮助。

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//ps:此函数必须在线程中调用（因为函数抛出异常，调用时要包在try--catch里面） private void start_run() throws Exception{ String urlPath = new String("http://hnzldzkj.cn/readkey"); //String urlPath = new String("http://localhost:8080/Test1/HelloWorld?name=丁丁".getBytes("UTF-8")); String param="name="+URLEncoder.encode("丁丁","UTF-8"); //建立连接 URL url=new URL(urlPath); HttpURLConnection httpConn=(HttpURLConnection)url.openConnection(); //设置参数 httpConn.setDoOutput(true); //需要输出 httpConn.setDoInput(true); //需要输入 httpConn.setUseCaches(false); //不允许缓存 httpConn.setRequestMethod("POST"); //设置POST方式连接 //设置请求属性 httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); httpConn.setRequestProperty("Connection", "Keep-Alive"); // 维持长连接 httpConn.setRequestProperty("Charset", "UTF-8"); //连接,也可以不用明文connect，使用下面的httpConn.getOutputStream()会自动connect httpConn.connect(); //建立输入流，向指向的URL传入参数 DataOutputStream dos=new DataOutputStream(httpConn.getOutputStream()); dos.writeBytes(param); dos.flush(); dos.close(); //获得响应状态 int resultCode=httpConn.getResponseCode(); if(HttpURLConnection.HTTP_OK==resultCode){ StringBuffer sb=new StringBuffer(); String readLine=new String(); BufferedReader responseReader=new BufferedReader(new InputStreamReader(httpConn.getInputStream(),"UTF-8")); while((readLine=responseReader.readLine())!=null){ sb.append(readLine).append(" "); } responseReader.close(); System.out.println(sb.toString()); } }

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